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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="../../../behaviors/base-url-behavior/base-url-behavior.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/polymer/polymer.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">

<dom-module id="gr-change-view">
  <template>
    <style>
      .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-title {
        flex: 1;
        font-size: 1.2em;
        font-weight: bold;
      }
      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);
        max-width: 100ch;
        margin-right: 1em;
        margin-bottom: 1em;
      }
      .commitMessage gr-linked-text {
        overflow: auto;
        word-break: break-all;
      }
      .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;
      }
      .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;
      }
      .collapseToggleContainer {
        display: flex;
      }
      .collapseToggleContainer gr-button {
        display: block;
      }
      #relatedChangesToggle {
        margin-left: 1em;
        padding-top: var(--related-change-btn-top-padding, 0);
      }
      @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="header">
        <span class="header-title">
          <gr-change-star
              id="changeStar"
              change="{{_change}}" hidden$="[[!_loggedIn]]"></gr-change-star>
          <a
              aria-label$="[[_computeChangePermalinkAriaLabel(_change._number)]]"
              href$="[[_computeChangePermalink(_change._number)]]">[[_change._number]]</a><!--
       --><template is="dom-if" if="[[_changeStatus]]"><!--
         --> (<!--
         --><span
                aria-label$="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><!--
       -->: [[_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$="[[!_loggedIn]]">
            <gr-button
                class="reply"
                secondary
                disabled="[[_replyDisabled]]"
                on-tap="_handleReplyTap">[[_replyButtonLabel]]</gr-button>
            <gr-change-actions id="actions"
                change="[[_change]]"
                has-parent="[[hasParent]]"
                actions="[[_change.actions]]"
                revision-actions="[[_currentRevisionActions]]"
                change-num="[[_changeNum]]"
                change-status="[[_change.status]]"
                commit-num="[[_commitInfo.commit]]"
                patch-num="[[_computeLatestPatchNum(_allPatchSets)]]"
                commit-message="[[_latestCommitMessage]]"
                on-reload-change="_handleReloadChange"></gr-change-actions>
          </div>
          <hr class="mobile">
          <div class="commitAndRelated">
            <div class="commitContainer">
              <div
                  id="commitMessage"
                  class$="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}}"
                  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)]]
                  [[_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$="[[getBaseUrl()]]/c/[[_change._number]]">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>
          </div>
        </div>
        <gr-file-list id="fileList"
            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}}"></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]]"
          logged-in="[[_loggedIn]]"
          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
        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]]"
          on-send="_handleReplySent"
          on-cancel="_handleReplyCancel"
          on-autogrow="_handleReplyAutogrow"
          hidden$="[[!_loggedIn]]">Reply</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>