<!--
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.
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<link rel="import" href="../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.html">
<link rel="import" href="../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.html">
<link rel="import" href="../../../behaviors/rest-client-behavior/rest-client-behavior.html">
<link rel="import" href="../../../bower_components/polymer/polymer.html">
<link rel="import" href="../../core/gr-navigation/gr-navigation.html">
<link rel="import" href="../../diff/gr-diff-preferences/gr-diff-preferences.html">
<link rel="import" href="../../shared/gr-account-link/gr-account-link.html">
<link rel="import" href="../../shared/gr-select/gr-select.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../shared/gr-change-star/gr-change-star.html">
<link rel="import" href="../../shared/gr-date-formatter/gr-date-formatter.html">
<link rel="import" href="../../shared/gr-editable-content/gr-editable-content.html">
<link rel="import" href="../../shared/gr-editable-label/gr-editable-label.html">
<link rel="import" href="../../shared/gr-js-api-interface/gr-js-api-interface.html">
<link rel="import" href="../../shared/gr-linked-text/gr-linked-text.html">
<link rel="import" href="../../shared/gr-overlay/gr-overlay.html">
<link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">

<link rel="import" href="../gr-change-actions/gr-change-actions.html">
<link rel="import" href="../gr-change-metadata/gr-change-metadata.html">
<link rel="import" href="../gr-commit-info/gr-commit-info.html">
<link rel="import" href="../gr-download-dialog/gr-download-dialog.html">
<link rel="import" href="../gr-file-list/gr-file-list.html">
<link rel="import" href="../gr-messages-list/gr-messages-list.html">
<link rel="import" href="../gr-related-changes-list/gr-related-changes-list.html">
<link rel="import" href="../gr-reply-dialog/gr-reply-dialog.html">
<link rel="import" href="../../../styles/shared-styles.html">

<dom-module id="gr-change-view">
  <template>
    <style include="shared-styles">
      .container:not(.loading) {
        background-color: var(--view-background-color);
      }
      .container.loading {
        color: #666;
        padding: 1em var(--default-horizontal-margin);
      }
      .header {
        align-items: center;
        background-color: var(--view-background-color);
        display: flex;
        padding: .65em var(--default-horizontal-margin);
        z-index: 99;  /* Less than gr-overlay's backdrop */
      }
      .header .download {
        margin-right: 1em;
      }
      .header.pinned {
        border-bottom-color: transparent;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        position: fixed;
        top: 0;
        transition: box-shadow 250ms linear;
        width: 100%;
      }
      .header.wip {
        background-color: #fcfad6;
        border-bottom: 1px solid #ddd;
        margin-bottom: .5em;
      }
      .header-title {
        flex: 1;
        font-size: 1.2em;
        font-weight: bold;
      }
      .prefsButton {
        float: right;
      }
      gr-change-star {
        margin-right: .25em;
        vertical-align: -.425em;
      }
      gr-reply-dialog {
        width: 50em;
      }
      .changeStatus {
        text-transform: capitalize;
      }
      /* Strong specificity here is needed due to
         https://github.com/Polymer/polymer/issues/2531 */
      .container section.changeInfo {
        display: flex;
        padding: 0 var(--default-horizontal-margin);
      }
      .changeId {
        color: #666;
        font-family: var(--font-family);
        margin-top: 1em;
      }
      .changeInfo-column:not(:last-of-type) {
        margin-right: 1em;
        padding-right: 1em;
      }
      .changeMetadata {
        font-size: .95em;
      }
      /* Prevent plugin text from overflowing. */
      #change_plugins {
        word-break: break-word;
      }
      .commitMessage {
        font-family: var(--monospace-font-family);
        margin-right: 1em;
        margin-bottom: 1em;
        max-width: var(--commit-message-max-width, 72ch);;
      }
      .commitMessage gr-linked-text {
        overflow: auto;
        word-break: break-all;
      }
      #commitMessageEditor {
        min-width: 72ch;
      }
      .editCommitMessage {
        margin-top: 1em;
      }
      .commitActions {
        border-bottom: 1px solid #ddd;
        display: flex;
        justify-content: space-between;
        margin-bottom: .5em;
        padding-bottom: .5em;
      }
      .reply {
        margin-right: .5em;
      }
      .mainChangeInfo {
        display: flex;
        flex: 1;
        flex-direction: column;
        min-width: 0;
      }
      #commitAndRelated {
        align-content: flex-start;
        display: flex;
        flex: 1;
        overflow-x: hidden;
      }
      .collapseToggleButton {
        text-decoration: none;
      }
      .relatedChanges {
        flex: 1 1 auto;
        overflow: hidden;
      }
      .patchInfo {
        border: 1px solid #ddd;
        margin: 1em var(--default-horizontal-margin);
      }
      .patchInfo--oldPatchSet .patchInfo-header {
        background-color: #fff9c4;
      }
      .patchInfo--oldPatchSet .latestPatchContainer {
        display: initial;
      }
      .patchInfo-header,
      gr-file-list {
        padding: .5em calc(var(--default-horizontal-margin) / 2);
      }
      .patchInfo-header {
        background-color: #f6f6f6;
        border-bottom: 1px solid #ebebeb;
        display: flex;
        justify-content: space-between;
      }
      .latestPatchContainer {
        display: none;
      }
      .patchSetSelect {
        max-width: 8em;
      }
      gr-editable-label.descriptionLabel {
        max-width: 100%;
      }
      .mobile {
        display: none;
      }
      .warning {
        color: #d14836;
      }
      hr {
        border: 0;
        border-top: 1px solid #ddd;
        height: 0;
        margin-bottom: 1em;
      }
      #diffPrefsContainer {
        margin: auto 0 auto auto;
      }
      .patchInfo-header-wrapper {
        width: 100%;
      }
      #commitMessage.collapsed {
        max-height: 36em;
        overflow: hidden;
      }
      #relatedChanges {
        font-size: .9em;
      }
      #relatedChanges.collapsed {
        margin-bottom: 1.1em;
        max-height: var(--relation-chain-max-height, 2em);
        overflow: hidden;
      }
      .commitContainer {
        display: flex;
        flex-direction: column;
        flex-shrink: 0;
      }
      .collapseToggleContainer {
        display: flex;
      }
      .collapseToggleContainer gr-button {
        display: block;
      }
      #relatedChangesToggle {
        margin-left: 1em;
        padding-top: var(--related-change-btn-top-padding, 0);
      }
      @media screen and (min-width: 80em) {
        .commitMessage {
          max-width: var(--commit-message-max-width, 100ch);
        }
      }
      /* NOTE: If you update this breakpoint, also update the
      BREAKPOINT_RELATED_MED in the JS */
      @media screen and (max-width: 60em) {
        #commitAndRelated {
          flex-direction: column;
          flex-wrap: nowrap;
        }
      }
      /* NOTE: If you update this breakpoint, also update the
      BREAKPOINT_RELATED_SMALL in the JS */
      @media screen and (max-width: 50em) {
        .mobile {
          display: block;
        }
        .header {
          align-items: flex-start;
          flex-direction: column;
          padding: .5em var(--default-horizontal-margin);
        }
        gr-change-star {
          vertical-align: middle;
        }
        .header-title {
          font-size: 1.1em;
        }
        gr-reply-dialog {
          min-width: initial;
          width: 100vw;
        }
        .desktop {
          display: none;
        }
        .reply {
          display: block;
          margin-right: 0;
          margin-bottom: .5em;
        }
        .changeInfo-column:not(:last-of-type) {
          margin-right: 0;
          padding-right: 0;
        }
        .changeInfo,
        #commitAndRelated {
          flex-direction: column;
          flex-wrap: nowrap;
        }
        .relatedChanges,
        .changeMetadata {
          font-size: 1em;
        }
        .changeMetadata {
          border-right: none;
          margin-bottom: 1em;
          margin-top: .25em;
          max-width: none;
        }
        .commitActions {
          flex-direction: column;
        }
        .commitMessage {
          flex: initial;
          margin-right: 0;
        }
        .scrollable {
          @apply(--layout-scroll);
        }
      }
    </style>
    <div class="container loading" hidden$="[[!_loading]]">Loading...</div>
    <div class="container" hidden$="{{_loading}}">
      <div class$="[[_computeHeaderClass(_change)]]">
        <span class="header-title">
          <gr-change-star
              id="changeStar"
              change="{{_change}}" hidden$="[[!_loggedIn]]"></gr-change-star>
          <a
              aria-label$="[[_computeChangePermalinkAriaLabel(_change._number)]]"
              href$="[[_computeChangeUrl(_change)]]">[[_change._number]]</a><!--
       --><template is="dom-if" if="[[_changeStatus]]"><!--
         --> (<!--
         --><span
                aria-label$="Change status: [[_changeStatus]]"
                tabindex="0">[[_changeStatus]]</span><!--
         --><template
                is="dom-if"
                if="[[_computeShowCommitInfo(_changeStatus, _change.current_revision)]]">
              as
              <gr-commit-info
                  change="[[_change]]"
                  commit-info="[[_computeMergedCommitInfo(_change.current_revision, _change.revisions)]]"
                  server-config="[[_serverConfig]]"></gr-commit-info><!--
         --></template><!--
         -->)<!--
       --></template><!--
       --><span hidden$="[[!_change.work_in_progress]]"> (Work in progress)</span><!--
       --><span>[[_privateChanges(_change)]]</span><!--
       -->: [[_change.subject]]
        </span>
      </div>
      <section class="changeInfo">
        <div class="changeInfo-column changeMetadata">
          <gr-change-metadata
              change="{{_change}}"
              commit-info="[[_commitInfo]]"
              server-config="[[_serverConfig]]"
              mutable="[[_loggedIn]]"
              on-show-reply-dialog="_handleShowReplyDialog">
          </gr-change-metadata>
          <!-- Plugins insert content into following container.
               Stop-gap until PolyGerrit plugins interface is ready.
               This will not work with Shadow DOM. -->
          <div id="change_plugins"></div>
        </div>
        <div id="mainChangeInfo" class="changeInfo-column mainChangeInfo">
          <div class="commitActions" hidden$="[[!_loggedIn]]">
            <gr-button
                class="reply"
                secondary
                disabled="[[_replyDisabled]]"
                on-tap="_handleReplyTap">[[_replyButtonLabel]]</gr-button>
            <gr-change-actions id="actions"
                change="[[_change]]"
                has-parent="[[hasParent]]"
                actions="[[_change.actions]]"
                revision-actions="[[_currentRevisionActions]]"
                change-num="[[_changeNum]]"
                change-status="[[_change.status]]"
                commit-num="[[_commitInfo.commit]]"
                patch-num="[[computeLatestPatchNum(_allPatchSets)]]"
                commit-message="[[_latestCommitMessage]]"
                on-reload-change="_handleReloadChange"
                on-download-tap="_handleDownloadTap"></gr-change-actions>
          </div>
          <hr class="mobile">
          <div id="commitAndRelated">
            <div class="commitContainer">
              <div
                  id="commitMessage"
                  class$="commitMessage [[_computeCommitClass(_commitCollapsed, _latestCommitMessage)]]">
                <gr-editable-content id="commitMessageEditor"
                    editing="[[_editingCommitMessage]]"
                    content="{{_latestCommitMessage}}"
                    remove-zero-width-space>
                  <gr-linked-text pre
                      content="[[_latestCommitMessage]]"
                      config="[[_projectConfig.commentlinks]]"
                      remove-zero-width-space></gr-linked-text>
                </gr-editable-content>
                <gr-button link
                    class="editCommitMessage"
                    on-tap="_handleEditCommitMessage"
                    hidden$="[[_hideEditCommitMessage]]">Edit</gr-button>
                <div class="changeId" hidden$="[[!_changeIdCommitMessageError]]">
                  <hr>
                  Change-Id:
                  <span
                      class$="[[_computeChangeIdClass(_changeIdCommitMessageError)]]"
                      title$="[[_computeTitleAttributeWarning(_changeIdCommitMessageError)]]">
                    [[_change.change_id]]
                  </span>
                </div>
              </div>
              <div
                  id="commitCollapseToggle"
                  class="collapseToggleContainer"
                  hidden$="[[_computeCommitToggleHidden(_latestCommitMessage)]]">
                <gr-button
                    link
                    id="commitCollapseToggleButton"
                    class="collapseToggleButton"
                    on-tap="_toggleCommitCollapsed">
                  [[_computeCollapseText(_commitCollapsed)]]
                </gr-button>
              </div>
            </div>
            <div class="relatedChanges">
              <gr-related-changes-list id="relatedChanges"
                  class$="[[_computeRelatedChangesClass(_relatedChangesCollapsed, _relatedChangesLoading)]]"
                  change="[[_change]]"
                  has-parent="{{hasParent}}"
                  loading="{{_relatedChangesLoading}}"
                  on-update="_updateRelatedChangeMaxHeight"
                  patch-num="[[computeLatestPatchNum(_allPatchSets)]]">
              </gr-related-changes-list>
              <div
                  id="relatedChangesToggle"
                  class="collapseToggleContainer"
                  hidden$="[[_computeRelatedChangesToggleHidden(_relatedChangesLoading)]]">
                <gr-button
                    link
                    id="relatedChangesToggleButton"
                    class="collapseToggleButton"
                    on-tap="_toggleRelatedChangesCollapsed">
                  [[_computeCollapseText(_relatedChangesCollapsed)]]
                </gr-button>
              </div>
            </div>
          </div>
        </div>
      </section>
      <section class$="patchInfo [[_computePatchInfoClass(_patchRange.patchNum,
          _allPatchSets)]]">
        <div class="patchInfo-header">
          <div class="patchInfo-header-wrapper">
            <label class="patchSelectLabel" for="patchSetSelect">
              Patch set
            </label>
            <select
                is="gr-select"
                id="patchSetSelect"
                bind-value="{{_selectedPatchSet}}"
                class="patchSetSelect"
                on-change="_handlePatchChange">
              <template is="dom-repeat" items="[[_allPatchSets]]"
                  as="patchNum">
                <option value$="[[patchNum.num]]"
                    disabled$="[[_computePatchSetDisabled(patchNum.num, _patchRange.basePatchNum)]]">
                  [[patchNum.num]]
                  /
                  [[computeLatestPatchNum(_allPatchSets)]]
                  [[_computePatchSetCommentsString(_comments, patchNum.num)]]
                  [[_computePatchSetDescription(_change, patchNum.num)]]
                </option>
              </template>
            </select>
            /
            <gr-commit-info
                change="[[_change]]"
                server-config="[[_serverConfig]]"
                commit-info="[[_commitInfo]]"></gr-commit-info>
            <span class="latestPatchContainer">
              /
              <a href$="[[_computeChangeUrl(_change)]]">Go to latest patch set</a>
            </span>
            <span class="downloadContainer desktop">
              /
              <gr-button link
                  class="download"
                  on-tap="_handleDownloadTap">Download</gr-button>
            </span>
            <span class="descriptionContainer">
              /
              <gr-editable-label
                  id="descriptionLabel"
                  class="descriptionLabel"
                  value="[[_computePatchSetDescription(_change, _selectedPatchSet)]]"
                  placeholder="[[_computeDescriptionPlaceholder(_descriptionReadOnly)]]"
                  read-only="[[_descriptionReadOnly]]"
                  on-changed="_handleDescriptionChanged"></gr-editable-label>
            </span>
            <span id="diffPrefsContainer"
                hidden$="[[_computePrefsButtonHidden(_diffPrefs, _loggedIn)]]"
                hidden>
              <gr-button link
                  class="prefsButton desktop"
                  on-tap="_handlePrefsTap">Diff Preferences</gr-button>
            </span>
          </div>
        </div>
        <gr-file-list id="fileList"
            diff-prefs="{{_diffPrefs}}"
            change="[[_change]]"
            change-num="[[_changeNum]]"
            patch-range="{{_patchRange}}"
            comments="[[_comments]]"
            drafts="[[_diffDrafts]]"
            revisions="[[_change.revisions]]"
            project-config="[[_projectConfig]]"
            selected-index="{{viewState.selectedFileIndex}}"
            diff-view-mode="{{viewState.diffMode}}"
            num-files-shown="{{_numFilesShown}}"
            file-list-increment="{{_numFilesShown}}"></gr-file-list>
      </section>
      <gr-messages-list id="messageList"
          change-num="[[_changeNum]]"
          messages="[[_change.messages]]"
          reviewer-updates="[[_change.reviewer_updates]]"
          comments="[[_comments]]"
          project-config="[[_projectConfig]]"
          show-reply-buttons="[[_loggedIn]]"
          on-reply="_handleMessageReply"></gr-messages-list>
    </div>
    <gr-overlay id="downloadOverlay" with-backdrop>
      <gr-download-dialog
          id="downloadDialog"
          change="[[_change]]"
          patch-num="[[_patchRange.patchNum]]"
          config="[[_serverConfig.download]]"
          on-close="_handleDownloadDialogClose"></gr-download-dialog>
    </gr-overlay>
    <gr-overlay id="replyOverlay"
        class="scrollable"
        no-cancel-on-outside-click
        no-cancel-on-esc-key
        on-iron-overlay-opened="_handleReplyOverlayOpen"
        with-backdrop>
      <gr-reply-dialog id="replyDialog"
          change="{{_change}}"
          patch-num="[[computeLatestPatchNum(_allPatchSets)]]"
          permitted-labels="[[_change.permitted_labels]]"
          diff-drafts="[[_diffDrafts]]"
          server-config="[[_serverConfig]]"
          project-config="[[_projectConfig]]"
          can-be-started="[[_canStartReview]]"
          on-send="_handleReplySent"
          on-cancel="_handleReplyCancel"
          on-autogrow="_handleReplyAutogrow"
          hidden$="[[!_loggedIn]]">
      </gr-reply-dialog>
    </gr-overlay>
    <gr-js-api-interface id="jsAPI"></gr-js-api-interface>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
  </template>
  <script src="gr-change-view.js"></script>
</dom-module>