Plugin that allows users to see emoticons in comments as images

This plugin uses a new extension point in Gerrit core that is added by
Ia4f689b0.

Emoticons are only rendered in expanded comments. Collapsed comments
only show a one-line summary and we do not do any replacements in
there.

Change-Id: Ic1994e75c07c1a95cf84d20e93ddf0402d312d0d
Signed-off-by: Edwin Kempin <ekempin@google.com>
diff --git a/.buckconfig b/.buckconfig
new file mode 100644
index 0000000..ed0f6fe
--- /dev/null
+++ b/.buckconfig
@@ -0,0 +1,14 @@
+[alias]
+  emoticons = //:emoticons
+  plugin = //:emoticons
+
+[java]
+  src_roots = java, resources
+
+[project]
+  ignore = .git
+
+[cache]
+  mode = dir
+  dir = buck-out/cache
+
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d9511b2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+/.buckversion
+/.buckd
+/.watchmanconfig
+/buck-out
+/bucklets
+/.classpath
+/.project
+/.settings/org.maven.ide.eclipse.prefs
+/.settings/org.eclipse.m2e.core.prefs
diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..0285a1b
--- /dev/null
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,4 @@
+eclipse.preferences.version=1
+encoding//src/main/java=UTF-8
+encoding//src/test/java=UTF-8
+encoding//src/test/resources=UTF-8
diff --git a/.settings/org.eclipse.core.runtime.prefs b/.settings/org.eclipse.core.runtime.prefs
new file mode 100644
index 0000000..5a0ad22
--- /dev/null
+++ b/.settings/org.eclipse.core.runtime.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+line.separator=\n
diff --git a/.settings/org.eclipse.jdt.core.prefs b/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..2a585e4
--- /dev/null
+++ b/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,346 @@
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+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_enum_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_explicitconstructorcall_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_increments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_for_inits=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_declaration_throws=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_method_invocation_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_field_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_multiple_local_declarations=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_superinterfaces=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_comma_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_ellipsis=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_parameterized_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_arguments=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_angle_bracket_in_type_parameters=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_annotation_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_anonymous_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_array_initializer=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_block=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_constructor_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_constant=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_enum_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_method_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_brace_in_type_declaration=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_bracket_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_catch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_for=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_if=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_parenthesized_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_switch=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_synchronized=insert
+org.eclipse.jdt.core.formatter.insert_space_before_opening_paren_in_while=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_return=insert
+org.eclipse.jdt.core.formatter.insert_space_before_parenthesized_expression_in_throw=insert
+org.eclipse.jdt.core.formatter.insert_space_before_postfix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_prefix_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_conditional=insert
+org.eclipse.jdt.core.formatter.insert_space_before_question_in_wildcard=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_semicolon_in_for=do not insert
+org.eclipse.jdt.core.formatter.insert_space_before_unary_operator=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_brackets_in_array_type_reference=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_braces_in_array_initializer=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_brackets_in_array_allocation_expression=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_annotation_type_member_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_constructor_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_enum_constant=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_declaration=do not insert
+org.eclipse.jdt.core.formatter.insert_space_between_empty_parens_in_method_invocation=do not insert
+org.eclipse.jdt.core.formatter.join_lines_in_comments=true
+org.eclipse.jdt.core.formatter.join_wrapped_lines=true
+org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=false
+org.eclipse.jdt.core.formatter.keep_imple_if_on_one_line=true
+org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
+org.eclipse.jdt.core.formatter.lineSplit=80
+org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.never_indent_line_comments_on_first_column=false
+org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=3
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=false
+org.eclipse.jdt.core.formatter.tabulation.char=space
+org.eclipse.jdt.core.formatter.tabulation.size=2
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
diff --git a/.settings/org.eclipse.jdt.ui.prefs b/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000..c6dd34f
--- /dev/null
+++ b/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,60 @@
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_Google Format
+formatter_settings_version=11
+org.eclipse.jdt.ui.ignorelowercasenames=true
+org.eclipse.jdt.ui.importorder=com.google;com;junit;net;org;java;javax;
+org.eclipse.jdt.ui.ondemandthreshold=99
+org.eclipse.jdt.ui.staticondemandthreshold=99
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates/>
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=false
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=false
+sp_cleanup.always_use_this_for_non_static_method_access=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.correct_indentation=false
+sp_cleanup.format_source_code=false
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=true
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=false
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=false
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=false
+sp_cleanup.remove_unnecessary_nls_tags=false
+sp_cleanup.remove_unused_imports=false
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_blocks=false
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_parentheses_in_expressions=false
+sp_cleanup.use_this_for_non_static_field_access=false
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+sp_cleanup.use_this_for_non_static_method_access=false
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true
diff --git a/BUCK b/BUCK
new file mode 100644
index 0000000..e2e5702
--- /dev/null
+++ b/BUCK
@@ -0,0 +1,23 @@
+include_defs('//bucklets/gerrit_plugin.bucklet')
+
+MODULE = 'com.googlesource.gerrit.plugins.emoticons.Emoticons'
+
+gerrit_plugin(
+  name = 'emoticons',
+  srcs = glob(['src/main/java/**/*.java']),
+  resources = glob(['src/main/**/*'], excludes = ['**/*.java']),
+  gwt_module = MODULE,
+  manifest_entries = [
+    'Gerrit-PluginName: emoticons',
+    'Gerrit-Module: com.googlesource.gerrit.plugins.emoticons.Module',
+    'Gerrit-HttpModule: com.googlesource.gerrit.plugins.emoticons.HttpModule',
+  ],
+)
+
+java_library(
+  name = 'classpath',
+  deps = GERRIT_GWT_API + GERRIT_PLUGIN_API + [
+    ':emoticons__plugin',
+    '//lib/gwt:user',
+  ],
+)
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..11069ed
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,201 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
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+   "Licensor" shall mean the copyright owner or entity authorized by
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+   "Legal Entity" shall mean the union of the acting entity and all
+   other entities that control, are controlled by, or are under common
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+   direction or management of such entity, whether by contract or
+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
+   outstanding shares, or (iii) beneficial ownership of such entity.
+
+   "You" (or "Your") shall mean an individual or Legal Entity
+   exercising permissions granted by this License.
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+   "Source" form shall mean the preferred form for making modifications,
+   including but not limited to software source code, documentation
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+   "Object" form shall mean any form resulting from mechanical
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+
+   "Work" shall mean the work of authorship, whether in Source or
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+   copyright notice that is included in or attached to the work
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+   "Derivative Works" shall mean any work, whether in Source or Object
+   form, that is based on (or derived from) the Work and for which the
+   editorial revisions, annotations, elaborations, or other modifications
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+   of this License, Derivative Works shall not include works that remain
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+
+   "Contribution" shall mean any work of authorship, including
+   the original version of the Work and any modifications or additions
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+   designated in writing by the copyright owner as "Not a Contribution."
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+   "Contributor" shall mean Licensor and any individual or Legal Entity
+   on behalf of whom a Contribution has been received by Licensor and
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+2. Grant of Copyright License. Subject to the terms and conditions of
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+4. Redistribution. You may reproduce and distribute copies of the
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+   (a) You must give any other recipients of the Work or
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+   (d) If the Work includes a "NOTICE" text file as part of its
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+       notices within Derivative Works that You distribute, alongside
+       or as an addendum to the NOTICE text from the Work, provided
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+
+   You may add Your own copyright statement to Your modifications and
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+   reproduction, and distribution of the Work otherwise complies with
+   the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise,
+   any Contribution intentionally submitted for inclusion in the Work
+   by You to the Licensor shall be under the terms and conditions of
+   this License, without any additional terms or conditions.
+   Notwithstanding the above, nothing herein shall supersede or modify
+   the terms of any separate license agreement you may have executed
+   with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade
+   names, trademarks, service marks, or product names of the Licensor,
+   except as required for reasonable and customary use in describing the
+   origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or
+   agreed to in writing, Licensor provides the Work (and each
+   Contributor provides its Contributions) on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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+
+8. Limitation of Liability. In no event and under no legal theory,
+   whether in tort (including negligence), contract, or otherwise,
+   unless required by applicable law (such as deliberate and grossly
+   negligent acts) or agreed to in writing, shall any Contributor be
+   liable to You for damages, including any direct, indirect, special,
+   incidental, or consequential damages of any character arising as a
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+   other commercial damages or losses), even if such Contributor
+   has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing
+   the Work or Derivative Works thereof, You may choose to offer,
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+   or other liability obligations and/or rights consistent with this
+   License. However, in accepting such obligations, You may act only
+   on Your own behalf and on Your sole responsibility, not on behalf
+   of any other Contributor, and only if You agree to indemnify,
+   defend, and hold each Contributor harmless for any liability
+   incurred by, or claims asserted against, such Contributor by reason
+   of your accepting any such warranty or additional liability.
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+END OF TERMS AND CONDITIONS
+
+APPENDIX: How to apply the Apache License to your work.
+
+   To apply the Apache License to your work, attach the following
+   boilerplate notice, with the fields enclosed by brackets "[]"
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+Copyright [yyyy] [name of copyright owner]
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/lib/gerrit/BUCK b/lib/gerrit/BUCK
new file mode 100644
index 0000000..acb4718
--- /dev/null
+++ b/lib/gerrit/BUCK
@@ -0,0 +1,20 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+VER = '2.13-SNAPSHOT'
+REPO = MAVEN_LOCAL
+
+maven_jar(
+  name = 'plugin-api',
+  id = 'com.google.gerrit:gerrit-plugin-api:' + VER,
+  license = 'Apache2.0',
+  attach_source = False,
+  repository = REPO,
+)
+
+maven_jar(
+  name = 'gwtui-api',
+  id = 'com.google.gerrit:gerrit-plugin-gwtui:' + VER,
+  license = 'Apache2.0',
+  attach_source = False,
+  repository = REPO,
+)
diff --git a/lib/gwt/BUCK b/lib/gwt/BUCK
new file mode 100644
index 0000000..b8d9491
--- /dev/null
+++ b/lib/gwt/BUCK
@@ -0,0 +1,34 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+VERSION = '2.7.0'
+
+maven_jar(
+  name = 'user',
+  id = 'com.google.gwt:gwt-user:' + VERSION,
+  sha1 = 'bdc7af42581745d3d79c2efe0b514f432b998a5b',
+  license = 'Apache2.0',
+  attach_source = False,
+)
+
+maven_jar(
+  name = 'dev',
+  id = 'com.google.gwt:gwt-dev:' + VERSION,
+  sha1 = 'c2c3dd5baf648a0bb199047a818be5e560f48982',
+  license = 'Apache2.0',
+  deps = [
+    ':javax-validation',
+    ':javax-validation_src',
+  ],
+  attach_source = False,
+  exclude = ['org/eclipse/jetty/*'],
+)
+
+maven_jar(
+  name = 'javax-validation',
+  id = 'javax.validation:validation-api:1.0.0.GA',
+  bin_sha1 = 'b6bd7f9d78f6fdaa3c37dae18a4bd298915f328e',
+  src_sha1 = '7a561191db2203550fbfa40d534d4997624cd369',
+  license = 'Apache2.0',
+  visibility = [],
+)
+
diff --git a/lib/ow2/BUCK b/lib/ow2/BUCK
new file mode 100644
index 0000000..db6c76c
--- /dev/null
+++ b/lib/ow2/BUCK
@@ -0,0 +1,32 @@
+include_defs('//bucklets/maven_jar.bucklet')
+
+VERSION = '5.0.3'
+
+maven_jar(
+  name = 'ow2-asm',
+  id = 'org.ow2.asm:asm:' + VERSION,
+  sha1 = 'dcc2193db20e19e1feca8b1240dbbc4e190824fa',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-analysis',
+  id = 'org.ow2.asm:asm-analysis:' + VERSION,
+  sha1 = 'c7126aded0e8e13fed5f913559a0dd7b770a10f3',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-tree',
+  id = 'org.ow2.asm:asm-tree:' + VERSION,
+  sha1 = '287749b48ba7162fb67c93a026d690b29f410bed',
+  license = 'ow2',
+)
+
+maven_jar(
+  name = 'ow2-asm-util',
+  id = 'org.ow2.asm:asm-util:' + VERSION,
+  sha1 = '1512e5571325854b05fb1efce1db75fcced54389',
+  license = 'ow2',
+)
+
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/Emoticons.gwt.xml b/src/main/java/com/googlesource/gerrit/plugins/emoticons/Emoticons.gwt.xml
new file mode 100644
index 0000000..4160909
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/Emoticons.gwt.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright (C) 2015 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<module rename-to="emoticons">
+  <!-- Inherit the core Web Toolkit stuff.                        -->
+  <inherits name="com.google.gwt.user.User"/>
+  <!-- Other module inherits                                      -->
+  <inherits name="com.google.gerrit.Plugin"/>
+  <inherits name="com.google.gwt.http.HTTP"/>
+  <!-- Specify the app entry point class.                         -->
+  <entry-point class="com.googlesource.gerrit.plugins.emoticons.client.EmoticonsPlugin"/>
+  <stylesheet src="emoticons"/>
+</module>
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetConfig.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetConfig.java
new file mode 100644
index 0000000..7fff131
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetConfig.java
@@ -0,0 +1,47 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.server.config.ConfigResource;
+import com.google.gerrit.server.config.PluginConfig;
+import com.google.gerrit.server.config.PluginConfigFactory;
+import com.google.inject.Inject;
+
+public class GetConfig implements RestReadView<ConfigResource> {
+
+  private final PluginConfig cfg;
+
+  @Inject
+  public GetConfig(PluginConfigFactory cfgFactory,
+      @PluginName String pluginName) {
+    this.cfg = cfgFactory.getFromGerritConfig(pluginName);
+  }
+
+  @Override
+  public ConfigInfo apply(ConfigResource resource) {
+    ConfigInfo info = new ConfigInfo();
+    info.showEmoticons = cfg.getBoolean("showEmoticons", true);
+    if (!info.showEmoticons) {
+      info.showEmoticons = null;
+    }
+    return info;
+  }
+
+  public static class ConfigInfo {
+    Boolean showEmoticons;
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetPreference.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetPreference.java
new file mode 100644
index 0000000..2e26bfe
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/GetPreference.java
@@ -0,0 +1,70 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.account.AccountResource;
+import com.google.gerrit.server.config.ConfigResource;
+import com.google.gerrit.server.project.ProjectCache;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+import com.googlesource.gerrit.plugins.emoticons.GetConfig.ConfigInfo;
+
+import org.eclipse.jgit.lib.Config;
+
+public class GetPreference implements RestReadView<AccountResource> {
+  public static final String PREFERENCE = "preference";
+  public static final String KEY_SHOW_EMOTICONS = "showEmoticons";
+
+  private final Provider<IdentifiedUser> self;
+  private final ProjectCache projectCache;
+  private final String pluginName;
+  private final Provider<GetConfig> getConfig;
+
+  @Inject
+  GetPreference(Provider<IdentifiedUser> self,
+      ProjectCache projectCache,
+      @PluginName String pluginName,
+      Provider<GetConfig> getConfig) {
+    this.self = self;
+    this.projectCache = projectCache;
+    this.pluginName = pluginName;
+    this.getConfig = getConfig;
+  }
+
+  @Override
+  public ConfigInfo apply(AccountResource rsrc) throws AuthException {
+    if (self.get() != rsrc.getUser()
+        && !self.get().getCapabilities().canAdministrateServer()) {
+      throw new AuthException("not allowed to get preference");
+    }
+
+    ConfigInfo globalCfg = getConfig.get().apply(new ConfigResource());
+    Config db =
+        projectCache.getAllProjects().getConfig(pluginName + ".config").get();
+    ConfigInfo info = new ConfigInfo();
+    info.showEmoticons =
+        db.getBoolean(PREFERENCE, self.get().getUserName(), KEY_SHOW_EMOTICONS,
+            (globalCfg.showEmoticons != null ? globalCfg.showEmoticons : true));
+    if (!info.showEmoticons) {
+      info.showEmoticons = null;
+    }
+    return info;
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/HttpModule.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/HttpModule.java
new file mode 100644
index 0000000..a02c286
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/HttpModule.java
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.extensions.webui.GwtPlugin;
+import com.google.gerrit.extensions.webui.JavaScriptPlugin;
+import com.google.gerrit.extensions.webui.WebUiPlugin;
+import com.google.gerrit.httpd.plugins.HttpPluginModule;
+
+public class HttpModule extends HttpPluginModule {
+  @Override
+  protected void configureServlets() {
+    DynamicSet.bind(binder(), WebUiPlugin.class)
+        .toInstance(new GwtPlugin("emoticons"));
+    DynamicSet.bind(binder(), WebUiPlugin.class)
+        .toInstance(new JavaScriptPlugin("emoticons.js"));
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/Module.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/Module.java
new file mode 100644
index 0000000..a2a11c5
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/Module.java
@@ -0,0 +1,36 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import static com.google.gerrit.server.account.AccountResource.ACCOUNT_KIND;
+import static com.google.gerrit.server.config.ConfigResource.CONFIG_KIND;
+
+import com.google.gerrit.extensions.restapi.RestApiModule;
+import com.google.inject.AbstractModule;
+
+public class Module extends AbstractModule {
+  @Override
+  protected void configure() {
+    install(new RestApiModule() {
+      @Override
+      protected void configure() {
+        get(CONFIG_KIND, "config").to(GetConfig.class);
+        put(CONFIG_KIND, "config").to(PutConfig.class);
+        get(ACCOUNT_KIND, "preference").to(GetPreference.class);
+        put(ACCOUNT_KIND, "preference").to(PutPreference.class);
+      }
+    });
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutConfig.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutConfig.java
new file mode 100644
index 0000000..af6d22c
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutConfig.java
@@ -0,0 +1,78 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import com.google.gerrit.common.data.GlobalCapability;
+import com.google.gerrit.extensions.annotations.CapabilityScope;
+import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.annotations.RequiresCapability;
+import com.google.gerrit.extensions.restapi.Response;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.server.config.ConfigResource;
+import com.google.gerrit.server.config.PluginConfigFactory;
+import com.google.gerrit.server.config.SitePaths;
+import com.google.inject.Inject;
+
+import com.googlesource.gerrit.plugins.emoticons.PutConfig.Input;
+
+import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.storage.file.FileBasedConfig;
+import org.eclipse.jgit.util.FS;
+
+import java.io.IOException;
+
+@RequiresCapability(value = GlobalCapability.ADMINISTRATE_SERVER, scope = CapabilityScope.CORE)
+public class PutConfig implements RestModifyView<ConfigResource, Input>{
+  public static class Input {
+    public Boolean showEmoticons;
+  }
+
+  private final PluginConfigFactory cfgFactory;
+  private final SitePaths sitePaths;
+  private final String pluginName;
+
+  @Inject
+  PutConfig(PluginConfigFactory cfgFactory,
+      SitePaths sitePaths,
+      @PluginName String pluginName) {
+    this.cfgFactory = cfgFactory;
+    this.sitePaths = sitePaths;
+    this.pluginName = pluginName;
+  }
+
+  @Override
+  public Response<?> apply(ConfigResource rsrc, Input input)
+      throws IOException, ConfigInvalidException, UnprocessableEntityException {
+    if (input == null) {
+      input = new Input();
+    }
+    FileBasedConfig cfg =
+        new FileBasedConfig(sitePaths.gerrit_config.toFile(), FS.DETECTED);
+    cfg.load();
+
+    if (input.showEmoticons != null) {
+      if (input.showEmoticons) {
+        cfg.setBoolean("plugin", pluginName, "showEmoticons", input.showEmoticons);
+      } else {
+        cfg.unset("plugin", pluginName, "stage");
+      }
+    }
+
+    cfg.save();
+    cfgFactory.getFromGerritConfig(pluginName, true);
+    return Response.none();
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutPreference.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutPreference.java
new file mode 100644
index 0000000..8d24990
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/PutPreference.java
@@ -0,0 +1,100 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons;
+
+import static com.googlesource.gerrit.plugins.emoticons.GetPreference.KEY_SHOW_EMOTICONS;
+import static com.googlesource.gerrit.plugins.emoticons.GetPreference.PREFERENCE;
+
+import com.google.gerrit.extensions.annotations.PluginName;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.Response;
+import com.google.gerrit.extensions.restapi.RestModifyView;
+import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.account.AccountResource;
+import com.google.gerrit.server.git.MetaDataUpdate;
+import com.google.gerrit.server.git.ProjectLevelConfig;
+import com.google.gerrit.server.project.ProjectCache;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+import com.googlesource.gerrit.plugins.emoticons.PutConfig.Input;
+
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.lib.Config;
+
+import java.io.IOException;
+
+public class PutPreference implements RestModifyView<AccountResource, Input> {
+  private final Provider<IdentifiedUser> self;
+  private final ProjectCache projectCache;
+  private final MetaDataUpdate.User metaDataUpdateFactory;
+  private final String pluginName;
+
+  @Inject
+  PutPreference(Provider<IdentifiedUser> self,
+      ProjectCache projectCache,
+      MetaDataUpdate.User metaDataUpdateFactory,
+      @PluginName String pluginName) {
+    this.self = self;
+    this.projectCache = projectCache;
+    this.metaDataUpdateFactory = metaDataUpdateFactory;
+    this.pluginName = pluginName;
+  }
+
+  @Override
+  public Response<String> apply(AccountResource rsrc, Input input)
+      throws AuthException, RepositoryNotFoundException, IOException,
+      UnprocessableEntityException {
+    if (self.get() != rsrc.getUser()
+        && !self.get().getCapabilities().canAdministrateServer()) {
+      throw new AuthException("not allowed to change preference");
+    }
+    if (input == null) {
+      input = new Input();
+    }
+
+    String username = self.get().getUserName();
+
+    ProjectLevelConfig storage =
+        projectCache.getAllProjects().getConfig(pluginName + ".config");
+    Config db = storage.get();
+    boolean modified = false;
+
+    boolean showEmoticons =
+        db.getBoolean(PREFERENCE, username, KEY_SHOW_EMOTICONS, true);
+    if (input.showEmoticons != null) {
+      if (input.showEmoticons != showEmoticons) {
+        db.setBoolean(PREFERENCE, username, KEY_SHOW_EMOTICONS, input.showEmoticons);
+        modified = true;
+      }
+    } else {
+      if (!showEmoticons) {
+        db.unset(PREFERENCE, username, KEY_SHOW_EMOTICONS);
+        modified = true;
+      }
+    }
+
+    if (modified) {
+      MetaDataUpdate md = metaDataUpdateFactory.create(
+          projectCache.getAllProjects().getProject().getNameKey());
+      md.setMessage("Update " + pluginName + " Preferences for '"
+          + username + "'\n");
+      storage.commit(md);
+    }
+
+    return Response.<String> ok("OK");
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/ConfigInfo.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/ConfigInfo.java
new file mode 100644
index 0000000..9573b43
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/ConfigInfo.java
@@ -0,0 +1,31 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gwt.core.client.JavaScriptObject;
+
+public class ConfigInfo extends JavaScriptObject {
+  final native boolean showEmoticons() /*-{ return this.show_emoticons ? true : false; }-*/;
+
+  final native void setShowEmoticons(boolean s) /*-{ this.show_emoticons = s; }-*/;
+
+  static ConfigInfo create() {
+    ConfigInfo g = (ConfigInfo) createObject();
+    return g;
+  }
+
+  protected ConfigInfo() {
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsAdminScreen.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsAdminScreen.java
new file mode 100644
index 0000000..049f40e
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsAdminScreen.java
@@ -0,0 +1,35 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gerrit.plugin.client.Plugin;
+import com.google.gerrit.plugin.client.rpc.RestApi;
+import com.google.gerrit.plugin.client.screen.Screen;
+
+public class EmoticonsAdminScreen extends EmoticonsConfigScreen {
+
+  static class Factory implements Screen.EntryPoint {
+    @Override
+    public void onLoad(Screen screen) {
+      screen.setPageTitle(Plugin.get().getPluginName() + "Admin");
+      screen.show(new EmoticonsAdminScreen());
+    }
+  }
+
+  EmoticonsAdminScreen() {
+    super(new RestApi("config").id("server").view(
+            Plugin.get().getPluginName(), "config"));
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsConfigScreen.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsConfigScreen.java
new file mode 100644
index 0000000..879f46c
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsConfigScreen.java
@@ -0,0 +1,99 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gerrit.plugin.client.rpc.RestApi;
+import com.google.gwt.core.client.JavaScriptObject;
+import com.google.gwt.event.dom.client.ClickEvent;
+import com.google.gwt.event.dom.client.ClickHandler;
+import com.google.gwt.user.client.rpc.AsyncCallback;
+import com.google.gwt.user.client.ui.Button;
+import com.google.gwt.user.client.ui.CheckBox;
+import com.google.gwt.user.client.ui.HorizontalPanel;
+import com.google.gwt.user.client.ui.Image;
+import com.google.gwt.user.client.ui.VerticalPanel;
+
+public abstract class EmoticonsConfigScreen extends VerticalPanel {
+  private final RestApi restApi;
+
+  private CheckBox showEmoticonsBox;
+  private Button saveButton;
+
+  protected EmoticonsConfigScreen(RestApi restApi) {
+    this.restApi = restApi;
+    setStyleName("emoticons-config-screen");
+    restApi.get(new AsyncCallback<ConfigInfo>() {
+        @Override
+        public void onSuccess(ConfigInfo info) {
+          display(info);
+        }
+
+        @Override
+        public void onFailure(Throwable caught) {
+          // never invoked
+        }
+      });
+  }
+
+  protected void display(ConfigInfo info) {
+    HorizontalPanel p = new HorizontalPanel();
+    p.setStyleName("emoticons-label-panel");
+    showEmoticonsBox = new CheckBox("Show emoticons as images");
+    showEmoticonsBox.setValue(info.showEmoticons());
+    p.add(showEmoticonsBox);
+    Image stageInfo = new Image(EmoticonsPlugin.RESOURCES.lightbulb());
+    stageInfo.setTitle("Emoticons in comments are replaced by images.");
+    p.add(stageInfo);
+    add(p);
+
+    HorizontalPanel buttons = new HorizontalPanel();
+    add(buttons);
+
+    saveButton = new Button("Save");
+    saveButton.setStyleName("emoticons-save-button");
+    saveButton.addClickHandler(new ClickHandler() {
+      @Override
+      public void onClick(final ClickEvent event) {
+        doSave();
+      }
+    });
+    buttons.add(saveButton);
+    saveButton.setEnabled(false);
+    new OnEditEnabler(saveButton, showEmoticonsBox);
+
+    showEmoticonsBox.setFocus(true);
+    saveButton.setEnabled(false);
+  }
+
+  private void doSave() {
+    ConfigInfo in = ConfigInfo.create();
+    in.setShowEmoticons(showEmoticonsBox.getValue());
+    restApi.put(in, new AsyncCallback<JavaScriptObject>() {
+        @Override
+        public void onSuccess(JavaScriptObject result) {
+          saveButton.setEnabled(false);
+          onSave();
+        }
+
+        @Override
+        public void onFailure(Throwable caught) {
+          // never invoked
+        }
+      });
+  }
+
+  protected void onSave() {
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPlugin.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPlugin.java
new file mode 100644
index 0000000..00c5c44
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPlugin.java
@@ -0,0 +1,32 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gerrit.plugin.client.Plugin;
+import com.google.gerrit.plugin.client.PluginEntryPoint;
+import com.google.gwt.core.client.GWT;
+
+public class EmoticonsPlugin extends PluginEntryPoint {
+  public static final Resources RESOURCES = GWT.create(Resources.class);
+
+  @Override
+  public void onPluginLoad() {
+    Plugin.get().screen("settings",
+        new EmoticonsAdminScreen.Factory());
+    Plugin.get().settingsScreen("preferences",
+        Plugin.get().getName() + " Preferences",
+        new EmoticonsPreferenceScreen.Factory());
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPreferenceScreen.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPreferenceScreen.java
new file mode 100644
index 0000000..a2e113c
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/EmoticonsPreferenceScreen.java
@@ -0,0 +1,42 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gerrit.plugin.client.Plugin;
+import com.google.gerrit.plugin.client.rpc.RestApi;
+import com.google.gerrit.plugin.client.screen.Screen;
+import com.google.gwt.user.client.Cookies;
+
+public class EmoticonsPreferenceScreen extends EmoticonsConfigScreen {
+
+  static class Factory implements Screen.EntryPoint {
+    @Override
+    public void onLoad(Screen screen) {
+      screen.setPageTitle(Plugin.get().getPluginName() + "Preferences");
+      screen.show(new EmoticonsPreferenceScreen());
+    }
+  }
+
+  EmoticonsPreferenceScreen() {
+    super(new RestApi("accounts").id("self").view(
+            Plugin.get().getPluginName(), "preference"));
+  }
+
+  @Override
+  protected void onSave() {
+    super.onSave();
+    Cookies.removeCookie(Plugin.get().getPluginName() + "~prefs");
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/OnEditEnabler.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/OnEditEnabler.java
new file mode 100644
index 0000000..624473b
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/OnEditEnabler.java
@@ -0,0 +1,181 @@
+// Copyright (C) 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gwt.core.client.Scheduler;
+import com.google.gwt.core.client.Scheduler.ScheduledCommand;
+import com.google.gwt.event.dom.client.ChangeEvent;
+import com.google.gwt.event.dom.client.ChangeHandler;
+import com.google.gwt.event.dom.client.FocusEvent;
+import com.google.gwt.event.dom.client.FocusHandler;
+import com.google.gwt.event.dom.client.KeyDownEvent;
+import com.google.gwt.event.dom.client.KeyDownHandler;
+import com.google.gwt.event.dom.client.KeyPressEvent;
+import com.google.gwt.event.dom.client.KeyPressHandler;
+import com.google.gwt.event.dom.client.MouseUpEvent;
+import com.google.gwt.event.dom.client.MouseUpHandler;
+import com.google.gwt.event.logical.shared.ValueChangeEvent;
+import com.google.gwt.event.logical.shared.ValueChangeHandler;
+import com.google.gwt.event.shared.GwtEvent;
+import com.google.gwt.user.client.ui.CheckBox;
+import com.google.gwt.user.client.ui.FocusWidget;
+import com.google.gwt.user.client.ui.ListBox;
+import com.google.gwt.user.client.ui.TextBoxBase;
+import com.google.gwt.user.client.ui.ValueBoxBase;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/** Enables a FocusWidget (e.g. a Button) if an edit is detected from any
+ *  registered input widget.
+ */
+public class OnEditEnabler implements KeyPressHandler, KeyDownHandler,
+   MouseUpHandler, ChangeHandler, ValueChangeHandler<Object> {
+
+  private final FocusWidget widget;
+  private Map<TextBoxBase, String> strings = new HashMap<>();
+  private String originalValue;
+
+
+  // The first parameter to the constructors must be the FocusWidget to enable,
+  // subsequent parameters are widgets to listenTo.
+
+  public OnEditEnabler(FocusWidget w, TextBoxBase tb) {
+    this(w);
+    originalValue = tb.getValue().trim();
+    listenTo(tb);
+  }
+
+  public OnEditEnabler(FocusWidget w, ListBox lb) {
+    this(w);
+    listenTo(lb);
+  }
+
+  public OnEditEnabler(FocusWidget w, CheckBox cb) {
+    this(w);
+    listenTo(cb);
+  }
+
+  public OnEditEnabler(FocusWidget w) {
+    widget = w;
+  }
+
+  // Register input widgets to be listened to
+
+  public void listenTo(final TextBoxBase tb) {
+    strings.put(tb, tb.getText().trim());
+    tb.addKeyPressHandler(this);
+
+    // Is there another way to capture middle button X11 pastes in browsers
+    // which do not yet support ONPASTE events (Firefox)?
+    tb.addMouseUpHandler(this);
+
+    // Resetting the "original text" on focus ensures that we are
+    // up to date with non-user updates of the text (calls to
+    // setText()...) and also up to date with user changes which
+    // occured after enabling "widget".
+    tb.addFocusHandler(new FocusHandler() {
+        @Override
+        public void onFocus(FocusEvent event) {
+          strings.put(tb, tb.getText().trim());
+        }
+      });
+
+    // CTRL-V Pastes in Chrome seem only detectable via BrowserEvents or
+    // KeyDownEvents, the latter is better.
+    tb.addKeyDownHandler(this);
+  }
+
+  public void listenTo(ListBox lb) {
+    lb.addChangeHandler(this);
+  }
+
+  @SuppressWarnings({"unchecked", "rawtypes"})
+  public void listenTo(CheckBox cb) {
+    cb.addValueChangeHandler((ValueChangeHandler) this);
+  }
+
+  // Handlers
+
+  @Override
+  public void onKeyPress(KeyPressEvent e) {
+    on(e);
+  }
+
+  @Override
+  public void onKeyDown(KeyDownEvent e) {
+    on(e);
+  }
+
+  @Override
+  public void onMouseUp(MouseUpEvent e) {
+    on(e);
+  }
+
+  @Override
+  public void onChange(ChangeEvent e) {
+    on(e);
+  }
+
+  @SuppressWarnings("rawtypes")
+  @Override
+  public void onValueChange(ValueChangeEvent e) {
+    on(e);
+  }
+
+  private void on(GwtEvent<?> e) {
+    if (widget.isEnabled() ||
+        ! (e.getSource() instanceof FocusWidget) ||
+        ! ((FocusWidget) e.getSource()).isEnabled() ) {
+      if (e.getSource() instanceof ValueBoxBase) {
+        final TextBoxBase box = ((TextBoxBase) e.getSource());
+        Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+          @Override
+          public void execute() {
+            if (box.getValue().trim().equals(originalValue)) {
+              widget.setEnabled(false);
+            }
+          }
+        });
+      }
+      return;
+    }
+
+    if (e.getSource() instanceof TextBoxBase) {
+      onTextBoxBase((TextBoxBase) e.getSource());
+    } else {
+      // For many widgets, we can assume that a change is an edit. If
+      // a widget does not work that way, it should be special cased
+      // above.
+      widget.setEnabled(true);
+    }
+  }
+
+  private void onTextBoxBase(final TextBoxBase tb) {
+    // The text appears to not get updated until the handlers complete.
+    Scheduler.get().scheduleDeferred(new ScheduledCommand() {
+      @Override
+      public void execute() {
+        String orig = strings.get(tb);
+        if (orig == null) {
+          orig = "";
+        }
+        if (! orig.equals(tb.getText().trim())) {
+          widget.setEnabled(true);
+        }
+      }
+    });
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/Resources.java b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/Resources.java
new file mode 100644
index 0000000..bab6f39
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/Resources.java
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.googlesource.gerrit.plugins.emoticons.client;
+
+import com.google.gwt.resources.client.ClientBundle;
+import com.google.gwt.resources.client.ImageResource;
+
+public interface Resources extends ClientBundle {
+
+  @Source("lightbulb.png")
+  public ImageResource lightbulb();
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/information.png b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/information.png
new file mode 100644
index 0000000..12cd1ae
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/information.png
Binary files differ
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/lightbulb.png b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/lightbulb.png
new file mode 100644
index 0000000..d22fde8
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/client/lightbulb.png
Binary files differ
diff --git a/src/main/java/com/googlesource/gerrit/plugins/emoticons/public/emoticons.css b/src/main/java/com/googlesource/gerrit/plugins/emoticons/public/emoticons.css
new file mode 100644
index 0000000..0f32867
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/emoticons/public/emoticons.css
@@ -0,0 +1,20 @@
+.emoticons-config-screen {
+  width: 100%;
+  border-spacing: 0px 5px;
+}
+
+.emoticons-label-panel {
+  margin-bottom: 10px;
+}
+
+.emoticons-label-panel td {
+  vertical-align: middle !important;
+}
+
+.emoticons-label-panel td div {
+  margin-right: 5px;
+}
+
+.emoticons-save-button {
+  margin-bottom: 10px;
+}
diff --git a/src/main/resources/Documentation/about.md b/src/main/resources/Documentation/about.md
new file mode 100644
index 0000000..589d0e4
--- /dev/null
+++ b/src/main/resources/Documentation/about.md
@@ -0,0 +1,17 @@
+The @PLUGIN@ plugin allows users to see emoticons in comments as
+images.
+
+Emoticons are only rendered in expanded comments. Collapsed comments
+only show a one-line summary and for this summary no replacements are
+done.
+
+Licenses
+--------
+
+The @PLUGIN@ plugin is availalble under the
+[Apache2.0](../../../Documentation/licenses.html#Apache2_0) license.
+
+All icons used in this plugin are taken from the
+[SILK ICONS](http://famfamfam.com/lab/icons/silk/) library by Mark
+James. They are used under the
+[CC-BY3.0](../../../Documentation/licenses.html#CC-BY3_0) license.
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
new file mode 100644
index 0000000..6831ffe
--- /dev/null
+++ b/src/main/resources/Documentation/build.md
@@ -0,0 +1,68 @@
+Build
+=====
+
+This plugin can be built with Buck.
+
+
+Two build modes are supported: Standalone and in Gerrit tree.
+The standalone build mode is recommended, as this mode doesn't require
+the Gerrit tree to exist locally.
+
+
+Build standalone
+----------------
+
+Clone bucklets library:
+
+```
+  git clone https://gerrit.googlesource.com/bucklets
+
+```
+and link it to reviewers plugin directory:
+
+```
+  cd reviewers && ln -s ../bucklets .
+```
+
+Add link to the .buckversion file:
+
+```
+  cd reviewers && ln -s bucklets/buckversion .buckversion
+```
+
+To build the plugin, issue the following command:
+
+
+```
+  buck build plugin
+```
+
+The output is created in
+
+```
+  buck-out/gen/imagare.jar
+```
+
+Build in Gerrit tree
+--------------------
+
+Clone or link this plugin to the plugins directory of Gerrit tree
+and issue the command:
+
+```
+  buck build plugins/imagare
+```
+
+The output is created in
+
+```
+  buck-out/gen/plugins/imagare/imagare.jar
+```
+
+This project can be imported into the Eclipse IDE:
+
+```
+  ./tools/eclipse/project.py
+```
+
+
diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
new file mode 100644
index 0000000..5e7ba92
--- /dev/null
+++ b/src/main/resources/Documentation/config.md
@@ -0,0 +1,16 @@
+Configuration
+=============
+
+The configuration of the @PLUGIN@ plugin is done in the `gerrit.config`
+file.
+
+```
+  [plugin "@PLUGIN@"]
+    showEmoticons = true
+```
+
+<a id="show-emoticons">
+`plugin.@PLUGIN@.showEmoticons`
+:	Whether emoticons in comments should be displayed as images.
+	By default `true`.
+
diff --git a/src/main/resources/Documentation/rest-api-accounts.md b/src/main/resources/Documentation/rest-api-accounts.md
new file mode 100644
index 0000000..8686513
--- /dev/null
+++ b/src/main/resources/Documentation/rest-api-accounts.md
@@ -0,0 +1,79 @@
+@PLUGIN@ - /accounts/ REST API
+==============================
+
+This page describes the '/accounts/' REST endpoints that are added by
+the @PLUGIN@ plugin.
+
+Please also take note of the general information on the
+[REST API](../../../Documentation/rest-api.html).
+
+<a id="project-endpoints"> @PLUGIN@ Endpoints
+--------------------------------------------
+
+### <a id="get-config"> Get Preferences
+_GET /accounts/[\{account-id\}](../../../Documentation/rest-api-accounts.html#account-id)/@PLUGIN@~preference_
+
+Gets the preferences of a user for the @PLUGIN@ plugin.
+
+#### Request
+
+```
+  GET /accounts/self/@PLUGIN@~preference HTTP/1.0
+```
+
+As response a [PreferenceInfo](#preference-info) entity is returned
+that contains the preferences of a user for the @PLUGIN@ plugin.
+
+#### Response
+
+```
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json;charset=UTF-8
+
+  )]}'
+  {
+    "show_emoticons": true
+  }
+```
+
+### <a id="put-config"> Put Preferences
+_PUT /accounts/[\{account-id\}](../../../Documentation/rest-api-accounts.html#account-id)/@PLUGIN@~preference_
+
+Sets the configuration of the @PLUGIN@ plugin.
+
+The new preferences must be specified as a [PreferenceInfo](#preference-info)
+entity in the request body. Not setting a parameter means that the
+parameter is unset and that the global setting for this parameter
+applies again.
+
+#### Request
+
+```
+  PUT /accounts/self/@PLUGIN@~preference HTTP/1.0
+  Content-Type: application/json;charset=UTF-8
+
+  {
+    "show_emoticons": true
+  }
+```
+
+<a id="json-entities">JSON Entities
+-----------------------------------
+
+### <a id="preference-info"></a>PreferenceInfo
+
+The `PreferenceInfo` entity contains the configuration of the
+@PLUGIN@ plugin.
+
+* _show\_emoticons_: Whether emoticons in comments should be displayed
+  as images.
+
+SEE ALSO
+--------
+
+* [Account related REST endpoints](../../../Documentation/rest-api-accounts.html)
+
+GERRIT
+------
+Part of [Gerrit Code Review](../../../Documentation/index.html)
diff --git a/src/main/resources/Documentation/rest-api-config.md b/src/main/resources/Documentation/rest-api-config.md
new file mode 100644
index 0000000..4935347
--- /dev/null
+++ b/src/main/resources/Documentation/rest-api-config.md
@@ -0,0 +1,78 @@
+@PLUGIN@ - /config/ REST API
+============================
+
+This page describes the '/config/' REST endpoints that are added by the
+@PLUGIN@ plugin.
+
+Please also take note of the general information on the
+[REST API](../../../Documentation/rest-api.html).
+
+<a id="project-endpoints"> @PLUGIN@ Endpoints
+--------------------------------------------
+
+### <a id="get-config"> Get Config
+_GET /config/server/@PLUGIN@~config_
+
+Gets the configuration of the @PLUGIN@ plugin.
+
+#### Request
+
+```
+  GET /config/server/@PLUGIN@~config HTTP/1.0
+```
+
+As response a [ConfigInfo](#config-info) entity is returned that
+contains the configuration of the @PLUGIN@ plugin.
+
+#### Response
+
+```
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json;charset=UTF-8
+
+  )]}'
+  {
+    "show_emoticons": true
+  }
+```
+
+### <a id="put-config"> Put Config
+_PUT /config/server/@PLUGIN@~config_
+
+Sets the configuration of the @PLUGIN@ plugin.
+
+The new configuration must be specified as a [ConfigInfo](#config-info)
+entity in the request body. Not setting a parameter leaves the
+parameter unchanged.
+
+#### Request
+
+```
+  PUT /config/server/@PLUGIN@~config HTTP/1.0
+  Content-Type: application/json;charset=UTF-8
+
+  {
+    "show_emoticons": true
+  }
+```
+
+<a id="json-entities">JSON Entities
+-----------------------------------
+
+### <a id="config-info"></a>ConfigInfo
+
+The `ConfigInfo` entity contains the configuration of the @PLUGIN@
+plugin.
+
+* _show\_emoticons_: Whether emoticons in comments should be displayed
+  as images.
+
+SEE ALSO
+--------
+
+* [Config related REST endpoints](../../../Documentation/rest-api-config.html)
+
+GERRIT
+------
+Part of [Gerrit Code Review](../../../Documentation/index.html)
diff --git a/src/main/resources/LICENSE-CC-BY3.0 b/src/main/resources/LICENSE-CC-BY3.0
new file mode 100644
index 0000000..39dbc91
--- /dev/null
+++ b/src/main/resources/LICENSE-CC-BY3.0
@@ -0,0 +1,333 @@
+link:http://creativecommons.org/licenses/by/3.0/us/[CC-BY 3.0]
+
+THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS
+CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE").  THE WORK IS
+PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW.  ANY USE OF THE
+WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR COPYRIGHT LAW IS
+PROHIBITED.
+
+BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND
+AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE.  TO THE EXTENT THIS
+LICENSE MAY BE CONSIDERED TO BE A CONTRACT, THE LICENSOR GRANTS YOU
+THE RIGHTS CONTAINED HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH
+TERMS AND CONDITIONS.
+
+1.  Definitions
+
+  a.  "Adaptation" means a work based upon the Work, or upon the Work
+      and other pre-existing works, such as a translation, adaptation,
+      derivative work, arrangement of music or other alterations of a
+      literary or artistic work, or phonogram or performance and
+      includes cinematographic adaptations or any other form in which
+      the Work may be recast, transformed, or adapted including in any
+      form recognizably derived from the original, except that a work
+      that constitutes a Collection will not be considered an
+      Adaptation for the purpose of this License.  For the avoidance
+      of doubt, where the Work is a musical work, performance or
+      phonogram, the synchronization of the Work in timed-relation
+      with a moving image ("synching") will be considered an
+      Adaptation for the purpose of this License.
+
+  b.  "Collection" means a collection of literary or artistic works,
+      such as encyclopedias and anthologies, or performances,
+      phonograms or broadcasts, or other works or subject matter other
+      than works listed in Section 1(f) below, which, by reason of the
+      selection and arrangement of their contents, constitute
+      intellectual creations, in which the Work is included in its
+      entirety in unmodified form along with one or more other
+      contributions, each constituting separate and independent works
+      in themselves, which together are assembled into a collective
+      whole.  A work that constitutes a Collection will not be
+      considered an Adaptation (as defined above) for the purposes of
+      this License.
+
+  c.  "Distribute" means to make available to the public the original
+      and copies of the Work or Adaptation, as appropriate, through
+      sale or other transfer of ownership.
+
+  d.  "Licensor" means the individual, individuals, entity or entities
+      that offer(s) the Work under the terms of this License.
+
+  e.  "Original Author" means, in the case of a literary or artistic
+      work, the individual, individuals, entity or entities who
+      created the Work or if no individual or entity can be
+      identified, the publisher; and in addition (i) in the case of a
+      performance the actors, singers, musicians, dancers, and other
+      persons who act, sing, deliver, declaim, play in, interpret or
+      otherwise perform literary or artistic works or expressions of
+      folklore; (ii) in the case of a phonogram the producer being the
+      person or legal entity who first fixes the sounds of a
+      performance or other sounds; and, (iii) in the case of
+      broadcasts, the organization that transmits the broadcast.
+
+  f.  "Work" means the literary and/or artistic work offered under the
+      terms of this License including without limitation any
+      production in the literary, scientific and artistic domain,
+      whatever may be the mode or form of its expression including
+      digital form, such as a book, pamphlet and other writing; a
+      lecture, address, sermon or other work of the same nature; a
+      dramatic or dramatico-musical work; a choreographic work or
+      entertainment in dumb show; a musical composition with or
+      without words; a cinematographic work to which are assimilated
+      works expressed by a process analogous to cinematography; a work
+      of drawing, painting, architecture, sculpture, engraving or
+      lithography; a photographic work to which are assimilated works
+      expressed by a process analogous to photography; a work of
+      applied art; an illustration, map, plan, sketch or
+      three-dimensional work relative to geography, topography,
+      architecture or science; a performance; a broadcast; a
+      phonogram; a compilation of data to the extent it is protected
+      as a copyrightable work; or a work performed by a variety or
+      circus performer to the extent it is not otherwise considered a
+      literary or artistic work.
+
+  g.  "You" means an individual or entity exercising rights under this
+      License who has not previously violated the terms of this
+      License with respect to the Work, or who has received express
+      permission from the Licensor to exercise rights under this
+      License despite a previous violation.
+
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+  i.  "Reproduce" means to make copies of the Work by any means
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+
+2.  Fair Dealing Rights.  Nothing in this License is intended to
+    reduce, limit, or restrict any uses free from copyright or rights
+    arising from limitations or exceptions that are provided for in
+    connection with the copyright protection under copyright law or
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+
+3.  License Grant.  Subject to the terms and conditions of this
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+known or hereafter devised.  The above rights include the right to
+make such modifications as are technically necessary to exercise the
+rights in other media and formats.  Subject to Section 8(f), all
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+4.  Restrictions.  The license granted in Section 3 above is expressly
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+
+  a.  You may Distribute or Publicly Perform the Work only under the
+      terms of this License.  You must include a copy of, or the
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+      does not require the Collection apart from the Work itself to be
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+      are utilizing: (i) the name of the Original Author (or
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+      of an Adaptation, a credit identifying the use of the Work in
+      the Adaptation (e.g., "French translation of the Work by
+      Original Author," or "Screenplay based on original Work by
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+      may be implemented in any reasonable manner; provided, however,
+      that in the case of a Adaptation or Collection, at a minimum
+      such credit will appear, if a credit for all contributing
+      authors of the Adaptation or Collection appears, then as part of
+      these credits and in a manner at least as prominent as the
+      credits for the other contributing authors.  For the avoidance
+      of doubt, You may only use the credit required by this Section
+      for the purpose of attribution in the manner set out above and,
+      by exercising Your rights under this License, You may not
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+      of the Work, without the separate, express prior written
+      permission of the Original Author, Licensor and/or Attribution
+      Parties.
+
+  c.  Except as otherwise agreed in writing by the Licensor or as may
+      be otherwise permitted by applicable law, if You Reproduce,
+      Distribute or Publicly Perform the Work either by itself or as
+      part of any Adaptations or Collections, You must not distort,
+      mutilate, modify or take other derogatory action in relation to
+      the Work which would be prejudicial to the Original Author's
+      honor or reputation.  Licensor agrees that in those
+      jurisdictions (e.g.  Japan), in which any exercise of the right
+      granted in Section 3(b) of this License (the right to make
+      Adaptations) would be deemed to be a distortion, mutilation,
+      modification or other derogatory action prejudicial to the
+      Original Author's honor and reputation, the Licensor will waive
+      or not assert, as appropriate, this Section, to the fullest
+      extent permitted by the applicable national law, to enable You
+      to reasonably exercise Your right under Section 3(b) of this
+      License (right to make Adaptations) but not otherwise.
+
+5.  Representations, Warranties and Disclaimer
+
+UNLESS OTHERWISE MUTUALLY AGREED TO BY THE PARTIES IN WRITING,
+LICENSOR OFFERS THE WORK AS-IS AND MAKES NO REPRESENTATIONS OR
+WARRANTIES OF ANY KIND CONCERNING THE WORK, EXPRESS, IMPLIED,
+STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF
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+OR THE PRESENCE OF ABSENCE OF ERRORS, WHETHER OR NOT DISCOVERABLE.
+SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES,
+SO SUCH EXCLUSION MAY NOT APPLY TO YOU.
+
+6.  Limitation on Liability.  EXCEPT TO THE EXTENT REQUIRED BY
+    APPLICABLE LAW, IN NO EVENT WILL LICENSOR BE LIABLE TO YOU ON ANY
+    LEGAL THEORY FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE
+    OR EXEMPLARY DAMAGES ARISING OUT OF THIS LICENSE OR THE USE OF THE
+    WORK, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+    DAMAGES.
+
+7.  Termination
+
+  a.  This License and the rights granted hereunder will terminate
+      automatically upon any breach by You of the terms of this
+      License.  Individuals or entities who have received Adaptations
+      or Collections from You under this License, however, will not
+      have their licenses terminated provided such individuals or
+      entities remain in full compliance with those licenses.
+      Sections 1, 2, 5, 6, 7, and 8 will survive any termination of
+      this License.
+
+  b.  Subject to the above terms and conditions, the license granted
+      here is perpetual (for the duration of the applicable copyright
+      in the Work).  Notwithstanding the above, Licensor reserves the
+      right to release the Work under different license terms or to
+      stop distributing the Work at any time; provided, however that
+      any such election will not serve to withdraw this License (or
+      any other license that has been, or is required to be, granted
+      under the terms of this License), and this License will continue
+      in full force and effect unless terminated as stated above.
+
+8. Miscellaneous
+
+  a.  Each time You Distribute or Publicly Perform the Work or a
+      Collection, the Licensor offers to the recipient a license to
+      the Work on the same terms and conditions as the license granted
+      to You under this License.
+
+  b.  Each time You Distribute or Publicly Perform an Adaptation,
+      Licensor offers to the recipient a license to the original Work
+      on the same terms and conditions as the license granted to You
+      under this License.
+
+  c.  If any provision of this License is invalid or unenforceable
+      under applicable law, it shall not affect the validity or
+      enforceability of the remainder of the terms of this License,
+      and without further action by the parties to this agreement,
+      such provision shall be reformed to the minimum extent necessary
+      to make such provision valid and enforceable.
+
+  d.  No term or provision of this License shall be deemed waived and
+      no breach consented to unless such waiver or consent shall be in
+      writing and signed by the party to be charged with such waiver
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+
+  e.  This License constitutes the entire agreement between the
+      parties with respect to the Work licensed here.  There are no
+      understandings, agreements or representations with respect to
+      the Work not specified here.  Licensor shall not be bound by any
+      additional provisions that may appear in any communication from
+      You.  This License may not be modified without the mutual
+      written agreement of the Licensor and You.
+
+  f.  The rights granted under, and the subject matter referenced, in
+      this License were drafted utilizing the terminology of the Berne
+      Convention for the Protection of Literary and Artistic Works (as
+      amended on September 28, 1979), the Rome Convention of 1961, the
+      WIPO Copyright Treaty of 1996, the WIPO Performances and
+      Phonograms Treaty of 1996 and the Universal Copyright Convention
+      (as revised on July 24, 1971).  These rights and subject matter
+      take effect in the relevant jurisdiction in which the License
+      terms are sought to be enforced according to the corresponding
+      provisions of the implementation of those treaty provisions in
+      the applicable national law.  If the standard suite of rights
+      granted under applicable copyright law includes additional
+      rights not granted under this License, such additional rights
+      are deemed to be included in the License; this License is not
+      intended to restrict the license of any rights under applicable
+      law.
diff --git a/src/main/resources/LICENSE-silk-icons b/src/main/resources/LICENSE-silk-icons
new file mode 100644
index 0000000..2b10dde
--- /dev/null
+++ b/src/main/resources/LICENSE-silk-icons
@@ -0,0 +1 @@
+link:http://creativecommons.org/licenses/by/3.0/us/[CC-BY 3.0] (c) Mark James, link:http://famfamfam.com/lab/icons/silk/[SILK ICONS]
diff --git a/src/main/resources/static/emoticons.js b/src/main/resources/static/emoticons.js
new file mode 100644
index 0000000..f761810
--- /dev/null
+++ b/src/main/resources/static/emoticons.js
@@ -0,0 +1,101 @@
+// Copyright (C) 2015 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+Gerrit.install(function(self) {
+    function onComment(e) {
+      var prefs = getPrefsFromCookie();
+      if (prefs !== null) {
+        insertEmoticons(e, prefs)
+      } else {
+        Gerrit.get('/accounts/self/' + self.getPluginName()
+            + '~preference', function(prefs) {
+          storePrefsInCookie(prefs);
+          insertEmoticons(e, prefs)
+        });
+      }
+    }
+
+    function storePrefsInCookie(prefs) {
+      var date = new Date();
+      date.setTime(date.getTime() + (1 * 24 * 60 * 60 * 1000)); // 1 day
+      document.cookie = getCookieName()
+          + "="
+          + JSON.stringify(prefs)
+          + "; expires=" + date.toGMTString()
+          + "; path=/";
+    }
+
+    function getPrefsFromCookie() {
+      var cookie = document.cookie;
+      if (cookie.length > 0) {
+        var cookieName = getCookieName();
+        var start = cookie.indexOf(cookieName + "=");
+        if (start != -1) {
+            start = start + cookieName.length + 1;
+            var end = document.cookie.indexOf(";", start);
+            if (end == -1) {
+                end = document.cookie.length;
+            }
+            return JSON.parse(unescape(document.cookie.substring(start, end)));
+        }
+      }
+      return null;
+    }
+
+    function getCookieName() {
+      return self.getPluginName() + "~prefs";
+    }
+
+    function insertEmoticons(e, prefs) {
+      if (!prefs.show_emoticons) {
+        return;
+      }
+
+      e.innerHTML = replaceEmoticons(e.innerHTML);
+    }
+
+    function replaceEmoticons(text) {
+      var emoticons = {
+        '&gt;:)' : 'emoticon_evilgrin.png',
+        '&gt;:-)': 'emoticon_evilgrin.png',
+        ':-D' : 'emoticon_grin.png',
+        ':D'  : 'emoticon_grin.png',
+        '^o^' : 'emoticon_happy.png',
+        ':-)' : 'emoticon_smile.png',
+        ':)'  : 'emoticon_smile.png',
+        ':-o' : 'emoticon_surprised.png',
+        ':o'  : 'emoticon_surprised.png',
+        ':-p' : 'emoticon_tongue.png',
+        ':p'  : 'emoticon_tongue.png',
+        ':-(' : 'emoticon_unhappy.png',
+        ':('  : 'emoticon_unhappy.png',
+        ':-3' : 'emoticon_waii.png',
+        ':3'  : 'emoticon_waii.png',
+        ';-D' : 'emoticon_wink.png',
+        ';D'  : 'emoticon_wink.png',
+        ';-)' : 'emoticon_wink.png',
+        ';)'  : 'emoticon_wink.png'
+      };
+      var url = "plugins/" + self.getPluginName() + "/static/silk_icons/";
+      return text.replace(/[&gt:;\^\-)Dop(3]+/g, function (match) {
+        return typeof emoticons[match] != 'undefined'
+           ? '<img src="' + url + emoticons[match]
+               + '" style="position: relative; top: 3px;"'
+               + ' alt="' + match + '"/>'
+           : match;
+      });
+    }
+
+    Gerrit.on('comment', onComment);
+  });
diff --git a/src/main/resources/static/silk_icons/emoticon_evilgrin.png b/src/main/resources/static/silk_icons/emoticon_evilgrin.png
new file mode 100644
index 0000000..817bd50
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_evilgrin.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_grin.png b/src/main/resources/static/silk_icons/emoticon_grin.png
new file mode 100644
index 0000000..fc60c5e
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_grin.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_happy.png b/src/main/resources/static/silk_icons/emoticon_happy.png
new file mode 100644
index 0000000..6b7336e
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_happy.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_smile.png b/src/main/resources/static/silk_icons/emoticon_smile.png
new file mode 100644
index 0000000..ade4318
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_smile.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_surprised.png b/src/main/resources/static/silk_icons/emoticon_surprised.png
new file mode 100644
index 0000000..4520cfc
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_surprised.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_tongue.png b/src/main/resources/static/silk_icons/emoticon_tongue.png
new file mode 100644
index 0000000..ecafd2f
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_tongue.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_unhappy.png b/src/main/resources/static/silk_icons/emoticon_unhappy.png
new file mode 100644
index 0000000..fd5d030
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_unhappy.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_waii.png b/src/main/resources/static/silk_icons/emoticon_waii.png
new file mode 100644
index 0000000..458f936
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_waii.png
Binary files differ
diff --git a/src/main/resources/static/silk_icons/emoticon_wink.png b/src/main/resources/static/silk_icons/emoticon_wink.png
new file mode 100644
index 0000000..a631949
--- /dev/null
+++ b/src/main/resources/static/silk_icons/emoticon_wink.png
Binary files differ