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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,
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<link rel="import" href="../../../bower_components/polymer/polymer.html">
<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/paper-tabs/paper-tabs.html">
<link rel="import" href="../../../styles/shared-styles.html">
<link rel="import" href="../../core/gr-navigation/gr-navigation.html">
<link rel="import" href="../../diff/gr-comment-api/gr-comment-api.html">
<link rel="import" href="../../diff/gr-diff-preferences/gr-diff-preferences.html">
<link rel="import" href="../../edit/gr-edit-constants.html">
<link rel="import" href="../../plugins/gr-endpoint-decorator/gr-endpoint-decorator.html">
<link rel="import" href="../../plugins/gr-endpoint-param/gr-endpoint-param.html">
<link rel="import" href="../../shared/gr-account-link/gr-account-link.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-change-status/gr-change-status.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-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-header/gr-file-list-header.html">
<link rel="import" href="../gr-file-list/gr-file-list.html">
<link rel="import" href="../gr-included-in-dialog/gr-included-in-dialog.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="../gr-thread-list/gr-thread-list.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: #fafafa;
        border-bottom: 1px solid #ddd;
        display: flex;
        padding: .55em var(--default-horizontal-margin);
        z-index: 99;  /* Less than gr-overlay's backdrop */
      }
      .header.editMode {
        background-color: #ebf5fb;
      }
      .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%;
      }
      gr-change-status {
        display: initial;
        margin: .1em .1em .1em .4em;
      }
      gr-change-status:first-child {
        margin-left: 0;
      }
      .headerTitle {
        align-items: center;
        display: flex;
        flex: 1;
        font-size: 1.2rem;
      }
      .headerTitle .headerSubject {
        font-family: var(--font-family-bold);
      }
      .replyContainer {
        margin-bottom: 1em;
      }
      gr-change-star {
        font-size: var(--font-size-normal);
        margin-right: .25em;
      }
      gr-reply-dialog {
        width: 60em;
      }
      .changeStatus {
        text-transform: capitalize;
      }
      .container {
        /* Needed to restrict the change view from allowing horizontal
          scrolling */
        width: 100vw;
      }
      /* 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 {
        border-right: 1px solid #ddd;
        font-size: .95rem;
        padding: 1em 0;
      }
      /* 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 {
        word-break: break-word;
      }
      #commitMessageEditor {
        min-width: 72ch;
      }
      .editCommitMessage {
        margin-top: 1em;
        --gr-button: {
          padding-left: 0;
          padding-right: 0;
        }
      }
      .changeStatuses,
      .commitActions,
      .statusText {
        align-items: center;
        display: flex;
      }
      .changeStatuses {
        flex-wrap: wrap;
      }
      .mainChangeInfo {
        display: flex;
        flex: 1;
        flex-direction: column;
        min-width: 0;
      }
      #commitAndRelated {
        align-content: flex-start;
        display: flex;
        flex: 1;
        overflow-x: hidden;
      }
      .relatedChanges {
        flex: 1 1 auto;
        overflow: hidden;
        padding: 1em 0;
      }
      .mobile {
        display: none;
      }
      .warning {
        color: #d14836;
      }
      hr {
        border: 0;
        border-top: 1px solid #ddd;
        height: 0;
        margin-bottom: 1em;
      }
      #commitMessage.collapsed {
        max-height: 36em;
        overflow: hidden;
      }
      #relatedChanges {
        font-size: .9rem;
      }
      #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;
        margin: 1em 0;
      }
      .collapseToggleContainer {
        display: flex;
      }
      #relatedChangesToggle {
        display: none;
      }
      #relatedChangesToggle.showToggle {
        display: flex;
      }
      .collapseToggleContainer gr-button {
        display: block;
      }
      #relatedChangesToggle {
        margin-left: 1em;
        padding-top: var(--related-change-btn-top-padding, 0);
      }
      .showOnEdit {
        display: none;
      }
      .scrollable {
        overflow: auto;
      }
      .text {
        white-space: pre;
      }
      gr-commit-info {
        display: inline-block;
        margin-right: -5px;
      }
      paper-tabs {
        background-color: #fafafa;
        border-top: 1px solid #ddd;
        height: 3rem;
        --paper-tabs-selection-bar-color: var(--color-link);
      }
      paper-tab {
        max-width: 15rem;
        --paper-tab-ink: var(--color-link);
      }
      #threadList,
      #messageList {
        display: none;
      }
      #threadList.visible,
      #messageList.visible {
        display: block;
      }
      #includedInOverlay {
        padding: 2em;
        width: 65em;
      }
      @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;
        }
        #commitMessageEditor {
          min-width: 0;
        }
        gr-reply-dialog {
          height: 100vh;
          min-width: initial;
          width: 100vw;
        }
      }
      /* 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;
          flex: 1;
          padding: .5em var(--default-horizontal-margin);
        }
        gr-change-star {
          vertical-align: middle;
        }
        .headerTitle {
          flex-wrap: wrap;
          font-size: 1.1rem;
        }
        .desktop {
          display: none;
        }
        .reply {
          display: block;
          margin-right: 0;
          /* px because don't have the same font size */
          margin-bottom: 6px;
        }
        .changeInfo-column:not(:last-of-type) {
          margin-right: 0;
          padding-right: 0;
        }
        .changeInfo,
        #commitAndRelated {
          flex-direction: column;
          flex-wrap: nowrap;
        }
        .relatedChanges,
        .changeMetadata {
          font-size: var(--font-size-normal);
        }
        .changeMetadata {
          border-right: none;
          margin-bottom: 1em;
          margin-top: .25em;
          max-width: none;
        }
        .commitActions {
          display: block;
          margin-top: 1em;
          width: 100%;
        }
        .commitMessage {
          flex: initial;
          margin-right: 0;
        }
        /* Change actions are the only thing thant need to remain visible due
        to the fact that they may have the currently visible overlay open. */
        #mainContent.overlayOpen .hideOnMobileOverlay {
          display: none;
        }
      }
    </style>
    <div class="container loading" hidden$="[[!_loading]]">Loading...</div>
    <div
        id="mainContent"
        class="container"
        hidden$="{{_loading}}">
      <div class$="[[_computeHeaderClass(_editMode)]]">
        <div class="headerTitle">
          <gr-change-star
              id="changeStar"
              change="{{_change}}" hidden$="[[!_loggedIn]]"></gr-change-star>
          <div class="changeStatuses">
            <template is="dom-repeat" items="[[_changeStatuses]]" as="status">
              <gr-change-status
                  max-width="100"
                  status="[[status]]"></gr-change-status>
            </template>
          </div>
          <div class="statusText">
            <template
                is="dom-if"
                if="[[_computeShowCommitInfo(_changeStatus, _change.current_revision)]]">
              <span class="text"> as </span>
              <gr-commit-info
                  change="[[_change]]"
                  commit-info="[[_computeMergedCommitInfo(_change.current_revision, _change.revisions)]]"
                  server-config="[[_serverConfig]]"></gr-commit-info>
            </template>
          </div>
          <span class="separator"></span>
          <a aria-label$="[[_computeChangePermalinkAriaLabel(_change._number)]]"
              href$="[[_computeChangeUrl(_change)]]">[[_change._number]]</a>
          <pre>: </pre>
          <span class="headerSubject">[[_change.subject]]</span>
        </div><!-- end headerTitle -->
        <div class="commitActions" hidden$="[[!_loggedIn]]">
          <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]]"
              latest-patch-num="[[computeLatestPatchNum(_allPatchSets)]]"
              reply-disabled="[[_replyDisabled]]"
              reply-button-label="[[_replyButtonLabel]]"
              commit-message="[[_latestCommitMessage]]"
              edit-patchset-loaded="[[hasEditPatchsetLoaded(_patchRange.*)]]"
              edit-mode="[[_editMode]]"
              edit-based-on-current-patch-set="[[hasEditBasedOnCurrentPatchSet(_allPatchSets)]]"
              on-reload-change="_handleReloadChange"
              on-edit-tap="_handleEditTap"
              on-stop-edit-tap="_handleStopEditTap"
              on-download-tap="_handleOpenDownloadDialog"></gr-change-actions>
        </div><!-- end commit actions -->
      </div><!-- end header -->
      <section class="changeInfo">
        <div class="changeInfo-column changeMetadata hideOnMobileOverlay">
          <gr-change-metadata
              id="metadata"
              change="{{_change}}"
              revision="[[_selectedRevision]]"
              commit-info="[[_commitInfo]]"
              server-config="[[_serverConfig]]"
              missing-labels="[[_missingLabels]]"
              mutable="[[_loggedIn]]"
              parent-is-current="[[_parentIsCurrent]]"
              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">
          <hr class="mobile">
          <div id="commitAndRelated" class="hideOnMobileOverlay">
            <div class="commitContainer">
              <div class="replyContainer">
                  <gr-button
                      id="replyBtn"
                      class="reply"
                      hidden$="[[!_loggedIn]]"
                      secondary
                      disabled="[[_replyDisabled]]"
                      on-tap="_handleReplyTap">[[_replyButtonLabel]]</gr-button>
              </div>
              <div
                  id="commitMessage"
                  class$="commitMessage [[_computeCommitClass(_commitCollapsed, _latestCommitMessage)]]">
                <gr-editable-content id="commitMessageEditor"
                    editing="[[_editingCommitMessage]]"
                    content="{{_latestCommitMessage}}"
                    storage-key="[[_computeCommitMessageKey(_change._number, _change.current_revision)]]"
                    remove-zero-width-space>
                  <gr-linked-text pre
                      content="[[_latestCommitMessage]]"
                      config="[[_projectConfig.commentlinks]]"
                      remove-zero-width-space></gr-linked-text>
                </gr-editable-content>
                <gr-button link
                    class="editCommitMessage"
                    on-tap="_handleEditCommitMessage"
                    hidden$="[[_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)]]"
                  change="[[_change]]"
                  mergeable="[[_mergeable]]"
                  has-parent="{{hasParent}}"
                  on-update="_updateRelatedChangeMaxHeight"
                  patch-num="[[computeLatestPatchNum(_allPatchSets)]]"
                  on-new-section-loaded="_computeShowRelatedToggle">
              </gr-related-changes-list>
              <div
                  id="relatedChangesToggle"
                  class="collapseToggleContainer">
                <gr-button
                    link
                    id="relatedChangesToggleButton"
                    class="collapseToggleButton"
                    on-tap="_toggleRelatedChangesCollapsed">
                  [[_computeCollapseText(_relatedChangesCollapsed)]]
                </gr-button>
              </div>
            </div>
          </div>
        </div>
      </section>
      <section class="patchInfo">
        <gr-file-list-header
            id="fileListHeader"
            account="[[_account]]"
            all-patch-sets="[[_allPatchSets]]"
            change="[[_change]]"
            change-num="[[_changeNum]]"
            change-comments="[[_changeComments]]"
            commit-info="[[_commitInfo]]"
            change-url="[[_computeChangeUrl(_change)]]"
            edit-mode="[[_editMode]]"
            logged-in="[[_loggedIn]]"
            server-config="[[_serverConfig]]"
            shown-file-count="[[_shownFileCount]]"
            diff-prefs="[[_diffPrefs]]"
            diff-view-mode="{{viewState.diffMode}}"
            patch-num="{{_patchRange.patchNum}}"
            base-patch-num="{{_patchRange.basePatchNum}}"
            files-expanded="[[_filesExpanded]]"
            on-open-diff-prefs="_handleOpenDiffPrefs"
            on-open-download-dialog="_handleOpenDownloadDialog"
            on-open-included-in-dialog="_handleOpenIncludedInDialog"
            on-expand-diffs="_expandAllDiffs"
            on-collapse-diffs="_collapseAllDiffs">
        </gr-file-list-header>
        <gr-file-list
            id="fileList"
            class="hideOnMobileOverlay"
            diff-prefs="{{_diffPrefs}}"
            change="[[_change]]"
            change-num="[[_changeNum]]"
            patch-range="{{_patchRange}}"
            change-comments="[[_changeComments]]"
            drafts="[[_diffDrafts]]"
            revisions="[[_change.revisions]]"
            project-config="[[_projectConfig]]"
            selected-index="{{viewState.selectedFileIndex}}"
            diff-view-mode="[[viewState.diffMode]]"
            edit-mode="[[_editMode]]"
            num-files-shown="{{_numFilesShown}}"
            files-expanded="{{_filesExpanded}}"
            file-list-increment="{{_numFilesShown}}"
            on-files-shown-changed="_setShownFiles"
            on-file-action-tap="_handleFileActionTap"
            on-reload-drafts="_reloadDraftsWithCallback"></gr-file-list>
      </section>
      <gr-endpoint-decorator name="change-view-integration">
        <gr-endpoint-param name="change" value="[[_change]]">
        </gr-endpoint-param>
        <gr-endpoint-param name="revision" value="[[_selectedRevision]]">
        </gr-endpoint-param>
      </gr-endpoint-decorator>
      <paper-tabs
          id="commentTabs"
          on-selected-changed="_handleTabChange">
        <paper-tab class="changeLog">Change Log</paper-tab>
        <paper-tab class="commentThreads">Comment Threads</paper-tab>
      </paper-tabs>
      <gr-messages-list id="messageList"
          class$="hideOnMobileOverlay [[_computeShowMessages(_showMessagesView)]]"
          change-num="[[_changeNum]]"
          labels="[[_change.labels]]"
          messages="[[_change.messages]]"
          reviewer-updates="[[_change.reviewer_updates]]"
          change-comments="[[_changeComments]]"
          project-name="[[_change.project]]"
          show-reply-buttons="[[_loggedIn]]"
          on-reply="_handleMessageReply"></gr-messages-list>
      <gr-thread-list
          id="threadList"
          threads="[[_commentThreads]]"
          change="[[_change]]"
          change-num="[[_changeNum]]"
          class$="[[_computeShowThreads(_showMessagesView)]]"
          on-thread-list-modified="_handleReloadDiffComments"></gr-thread-list>
    </div>
    <gr-overlay id="downloadOverlay" with-backdrop>
      <gr-download-dialog
          id="downloadDialog"
          change="[[_change]]"
          patch-num="[[_patchRange.patchNum]]"
          config="[[_serverConfig.download]]"
          on-close="_handleDownloadDialogClose"></gr-download-dialog>
    </gr-overlay>
    <gr-overlay id="includedInOverlay" with-backdrop>
      <gr-included-in-dialog
          id="includedInDialog"
          change-num="[[_changeNum]]"
          on-close="_handleIncludedInDialogClose"></gr-included-in-dialog>
    </gr-overlay>
    <gr-overlay id="replyOverlay"
        class="scrollable"
        no-cancel-on-outside-click
        no-cancel-on-esc-key
        with-backdrop>
      <gr-reply-dialog id="replyDialog"
          change="{{_change}}"
          patch-num="[[computeLatestPatchNum(_allPatchSets)]]"
          permitted-labels="[[_change.permitted_labels]]"
          diff-drafts="[[_diffDrafts]]"
          server-config="[[_serverConfig]]"
          project-config="[[_projectConfig]]"
          can-be-started="[[_canStartReview]]"
          on-send="_handleReplySent"
          on-cancel="_handleReplyCancel"
          on-autogrow="_handleReplyAutogrow"
          hidden$="[[!_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>
    <gr-comment-api id="commentAPI"></gr-comment-api>
  </template>
  <script src="gr-change-view.js"></script>
</dom-module>