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@license
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.
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<link rel="import" href="/bower_components/polymer/polymer.html">
<link rel="import" href="../../../behaviors/async-foreach-behavior/async-foreach-behavior.html">
<link rel="import" href="../../../behaviors/dom-util-behavior/dom-util-behavior.html">
<link rel="import" href="../../../behaviors/fire-behavior/fire-behavior.html">
<link rel="import" href="../../../behaviors/keyboard-shortcut-behavior/keyboard-shortcut-behavior.html">
<link rel="import" href="../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.html">
<link rel="import" href="../../../styles/shared-styles.html">
<link rel="import" href="../../core/gr-navigation/gr-navigation.html">
<link rel="import" href="../../core/gr-reporting/gr-reporting.html">
<link rel="import" href="../../diff/gr-diff-cursor/gr-diff-cursor.html">
<link rel="import" href="../../diff/gr-diff-host/gr-diff-host.html">
<link rel="import" href="../../diff/gr-diff-preferences-dialog/gr-diff-preferences-dialog.html">
<link rel="import" href="../../edit/gr-edit-file-controls/gr-edit-file-controls.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../shared/gr-cursor-manager/gr-cursor-manager.html">
<link rel="import" href="../../shared/gr-icons/gr-icons.html">
<link rel="import" href="../../shared/gr-linked-text/gr-linked-text.html">
<link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
<link rel="import" href="../../shared/gr-select/gr-select.html">
<link rel="import" href="../../shared/gr-count-string-formatter/gr-count-string-formatter.html">
<link rel="import" href="../../shared/gr-tooltip-content/gr-tooltip-content.html">
<link rel="import" href="../gr-file-list-constants.html">

<dom-module id="gr-file-list">
  <template>
    <style include="shared-styles">
      :host {
        display: block;
      }
      .row {
        align-items: center;
        border-top: 1px solid var(--border-color);
        display: flex;
        min-height: 2.25em;
        padding: .2em var(--default-horizontal-margin) .2em calc(var(--default-horizontal-margin) - .35rem);
      }
      :host(.loading) .row {
        opacity: .5;
      };
      :host(.editMode) .hideOnEdit {
        display: none;
      }
      .showOnEdit {
        display: none;
      }
      :host(.editMode) .showOnEdit {
        display: initial;
      }
      .invisible {
        visibility: hidden;
      }
      .header-row {
        font-weight: var(--font-weight-bold);
      }
      .controlRow {
        align-items: center;
        display: flex;
        height: 2.25em;
        justify-content: center;
      }
      .controlRow.invisible,
      .show-hide.invisible {
        display: none;
      }
      .reviewed,
      .status {
        align-items: center;
        display: inline-flex;
      }
      .reviewed,
      .status {
        display: inline-block;
        text-align: left;
        width: 1.5em;
      }
      .file-row {
        cursor: pointer;
      }
      .file-row.expanded {
        border-bottom: 1px solid var(--border-color);
        position: -webkit-sticky;
        position: sticky;
        top: 0;
        /* Has to visible above the diff view, and by default has a lower
         z-index. setting to 1 places it directly above. */
        z-index: 1;
      }
      .file-row:hover {
        background-color: var(--hover-background-color);
      }
      .file-row.selected {
        background-color: var(--selection-background-color);
      }
      .file-row.expanded,
      .file-row.expanded:hover {
        background-color: var(--expanded-background-color);
      }
      .path {
        cursor: pointer;
        flex: 1;
        text-decoration: none;
        white-space: nowrap;
      }
      .path:hover :first-child {
        text-decoration: underline;
      }
      .path,
      .path div {
        overflow: hidden;
        text-overflow: ellipsis;
      }
      .oldPath {
        color: var(--deemphasized-text-color);
      }
      .header-stats {
        text-align: center;
        min-width: 7.5em;
      }
      .stats {
        text-align: right;
        min-width: 7.5em;
      }
      .comments {
        padding-left: 2em;
        min-width: 20em;
      }
      .row:not(.header-row) .stats,
      .total-stats {
        font-family: var(--monospace-font-family);
        display: flex;
      }
      .sizeBars {
        margin-left: .5em;
        min-width: 7em;
        text-align: center;
      }
      .sizeBars.hide {
        display: none;
      }
      .added,
      .removed {
        display: inline-block;
        min-width: 3.5em;
      }
      .added {
        color: var(--vote-text-color-recommended);
      }
      .removed {
        color: var(--vote-text-color-disliked);
        text-align: left;
        min-width: 4em;
        padding-left: 0.5em;
      }
      .drafts {
        color: #C62828;
        font-weight: var(--font-weight-bold);
      }
      .show-hide {
        margin-left: .35em;
        width: 1.9em;
      }
      .fileListButton {
        margin: .5em;
      }
      .totalChanges {
        justify-content: flex-end;
        text-align: right;
      }
      .warning {
        color: var(--deemphasized-text-color);
      }
      input.show-hide {
        display: none;
      }
      label.show-hide {
        cursor: pointer;
        display: block;
        min-width: 2em;
      }
      gr-diff {
        display: block;
        overflow-x: auto;
      }
      .truncatedFileName {
        display: none;
      }
      .expanded .fullFileName {
        white-space: normal;
        word-wrap: break-word;
      }
      .mobile {
        display: none;
      }
      .reviewed {
        margin-left: 2em;
        width: 15em;
      }
      .reviewed label {
        color: var(--link-color);
        opacity: 0;
        justify-content: flex-end;
        width: 100%;
      }
      .reviewed label:hover {
        cursor: pointer;
        opacity: 100;
      }
      .row:focus {
        outline: none;
      }
      .row:hover .reviewed label,
      .row:focus .reviewed label,
      .row.expanded .reviewed label {
        opacity: 100;
      }
      .reviewed input {
        display: none;
      }
      .reviewedLabel {
        color: var(--deemphasized-text-color);
        margin-right: 1em;
        opacity: 0;
      }
      .reviewedLabel.isReviewed {
        display: initial;
        opacity: 100;
      }
      .editFileControls {
        width: 7em;
      }
      .markReviewed,
      .pathLink {
        display: inline-block;
        margin: -.2em 0;
        padding: .4em 0;
      }
      @media screen and (max-width: 50em) {
        .desktop {
          display: none;
        }
        .mobile {
          display: block;
        }
        .row.selected {
          background-color: var(--view-background-color);
        }
        .stats {
          display: none;
        }
        .reviewed,
        .status {
          justify-content: flex-start;
        }
        .reviewed {
          display: none;
        }
        .comments {
          min-width: initial;
        }
        .expanded .fullFileName,
        .truncatedFileName {
          display: block;
        }
        .expanded .truncatedFileName,
        .fullFileName {
          display: none;
        }
      }
    </style>
    <div
        id="container"
        on-tap="_handleFileListTap">
      <div class="header-row row">
        <div class="status"></div>
        <div class="path">File</div>
        <div class="comments">Comments</div>
        <div class="sizeBars">Size</div>
        <div class="header-stats">Delta</div>
        <!-- Empty div here exists to keep spacing in sync with file rows. -->
        <div class="reviewed hideOnEdit" hidden$="[[!_loggedIn]]"></div>
        <div class="editFileControls showOnEdit"></div>
        <div class="show-hide"></div>
      </div>

      <template is="dom-repeat"
          items="[[_shownFiles]]"
          id="files"
          as="file"
          initial-count="[[fileListIncrement]]"
          target-framerate="1">
        [[_reportRenderedRow(index)]]
        <div class="stickyArea">
          <div class$="file-row row [[_computePathClass(file.__path, _expandedFilePaths.*)]]"
              data-path$="[[file.__path]]" tabindex="-1">
              <div class$="[[_computeClass('status', file.__path)]]"
                  tabindex="0"
                  title$="[[_computeFileStatusLabel(file.status)]]"
                  aria-label$="[[_computeFileStatusLabel(file.status)]]">
              [[_computeFileStatus(file.status)]]
            </div>
            <span
                data-url="[[_computeDiffURL(change, patchRange.patchNum, patchRange.basePatchNum, file.__path, editMode)]]"
                class="path">
              <a class="pathLink" href$="[[_computeDiffURL(change, patchRange.patchNum, patchRange.basePatchNum, file.__path, editMode)]]">
                <span title$="[[computeDisplayPath(file.__path)]]"
                    class="fullFileName">
                  [[computeDisplayPath(file.__path)]]
                </span>
                <span title$="[[computeDisplayPath(file.__path)]]"
                    class="truncatedFileName">
                  [[computeTruncatedPath(file.__path)]]
                </span>
              </a>
              <div class="oldPath" hidden$="[[!file.old_path]]" hidden
                  title$="[[file.old_path]]">
                [[file.old_path]]
              </div>
            </span>
            <div class="comments desktop">
              <span class="drafts">
                [[_computeDraftsString(changeComments, patchRange, file.__path)]]
              </span>
              [[_computeCommentsString(changeComments, patchRange, file.__path)]]
            </div>
            <div class="comments mobile">
              <span class="drafts">
                [[_computeDraftsStringMobile(changeComments, patchRange,
                    file.__path)]]
              </span>
              [[_computeCommentsStringMobile(changeComments, patchRange,
                  file.__path)]]
            </div>
            <div class$="[[_computeSizeBarsClass(_showSizeBars, file.__path)]]">
              <svg width="61" height="8">
                <rect
                    x$="[[_computeBarAdditionX(file, _sizeBarLayout)]]"
                    y="0"
                    height="8"
                    fill="#388E3C"
                    width$="[[_computeBarAdditionWidth(file, _sizeBarLayout)]]" />
                <rect
                    x$="[[_computeBarDeletionX(_sizeBarLayout)]]"
                    y="0"
                    height="8"
                    fill="#D32F2F"
                    width$="[[_computeBarDeletionWidth(file, _sizeBarLayout)]]" />
              </svg>
            </div>
            <div class$="[[_computeClass('stats', file.__path)]]">
              <span
                  class="added"
                  tabindex="0"
                  aria-label$="[[file.lines_inserted]] lines added"
                  hidden$=[[file.binary]]>
                +[[file.lines_inserted]]
              </span>
              <span
                  class="removed"
                  tabindex="0"
                  aria-label$="[[file.lines_deleted]] lines removed"
                  hidden$=[[file.binary]]>
                -[[file.lines_deleted]]
              </span>
              <span class$="[[_computeBinaryClass(file.size_delta)]]"
                  hidden$=[[!file.binary]]>
                [[_formatBytes(file.size_delta)]]
                [[_formatPercentage(file.size, file.size_delta)]]
              </span>
            </div>
            <template is="dom-if" if="[[_showDynamicColumns]]">
              <template is="dom-repeat" items="[[_dynamicContentEndpoints]]" as="contentEndpoint">
                <div class$="[[_computeClass('', file.__path)]]">
                  <gr-endpoint-decorator name="[[contentEndpoint]]">
                    <gr-endpoint-param name="changeNum" value="[[changeNum]]">
                    </gr-endpoint-param>
                    <gr-endpoint-param name="patchRange" value="[[patchRange]]">
                    </gr-endpoint-param>
                    <gr-endpoint-param name="path" value="[[file.__path]]">
                    </gr-endpoint-param>
                  </gr-endpoint-decorator>
                </div>
              </template>
            </template>
            <div class="reviewed hideOnEdit" hidden$="[[!_loggedIn]]" hidden>
              <span class$="reviewedLabel [[_computeReviewedClass(file.isReviewed)]]">Reviewed</span>
              <label>
                <input class="reviewed" type="checkbox" checked="[[file.isReviewed]]">
                <span class="markReviewed" title$="[[_reviewedTitle(file.isReviewed)]]">[[_computeReviewedText(file.isReviewed)]]</span>
              </label>
            </div>
            <div class="editFileControls showOnEdit">
              <template is="dom-if" if="[[editMode]]">
                <gr-edit-file-controls
                    class$="[[_computeClass('', file.__path)]]"
                    file-path="[[file.__path]]"></gr-edit-file-controls>
              </template>
            </div>
            <div class="show-hide">
              <label class="show-hide" data-path$="[[file.__path]]"
                  data-expand=true>
                <input type="checkbox" class="show-hide"
                    checked$="[[_isFileExpanded(file.__path, _expandedFilePaths.*)]]"
                    data-path$="[[file.__path]]" data-expand=true>
                  <iron-icon
                      id="icon"
                      icon="[[_computeShowHideIcon(file.__path, _expandedFilePaths.*)]]">
                  </iron-icon>
              </label>
            </div>
          </div>
          <template is="dom-if"
              if="[[_isFileExpanded(file.__path, _expandedFilePaths.*)]]">
            <gr-diff-host
                no-auto-render
                show-load-failure
                display-line="[[_displayLine]]"
                inline-index=[[index]]
                hidden="[[!_isFileExpanded(file.__path, _expandedFilePaths.*)]]"
                change-num="[[changeNum]]"
                patch-range="[[patchRange]]"
                path="[[file.__path]]"
                prefs="[[diffPrefs]]"
                project-name="[[change.project]]"
                on-line-selected="_onLineSelected"
                no-render-on-prefs-change
                view-mode="[[diffViewMode]]"></gr-diff-host>
          </template>
        </div>
      </template>
    </div>
    <div
        class="row totalChanges"
        hidden$="[[_hideChangeTotals]]">
      <div class="total-stats">
        <span
            class="added"
            tabindex="0"
            aria-label$="[[_patchChange.inserted]] lines added">
          +[[_patchChange.inserted]]
        </span>
        <span
            class="removed"
            tabindex="0"
            aria-label$="[[_patchChange.deleted]] lines removed">
          -[[_patchChange.deleted]]
        </span>
      </div>
      <template is="dom-if" if="[[_showDynamicColumns]]">
        <template is="dom-repeat" items="[[_dynamicSummaryEndpoints]]" as="summaryEndpoint">
          <gr-endpoint-decorator name="[[summaryEndpoint]]">
          </gr-endpoint-decorator>
        </template>
      </template>
      <!-- Empty div here exists to keep spacing in sync with file rows. -->
      <div class="reviewed hideOnEdit" hidden$="[[!_loggedIn]]"></div>
      <div class="editFileControls showOnEdit"></div>
      <div class="show-hide"></div>
    </div>
    <div
        class="row totalChanges"
        hidden$="[[_hideBinaryChangeTotals]]">
      <div class="total-stats">
        <span class="added" aria-label="Total lines added">
          [[_formatBytes(_patchChange.size_delta_inserted)]]
          [[_formatPercentage(_patchChange.total_size,
              _patchChange.size_delta_inserted)]]
        </span>
        <span class="removed" aria-label="Total lines removed">
          [[_formatBytes(_patchChange.size_delta_deleted)]]
          [[_formatPercentage(_patchChange.total_size,
              _patchChange.size_delta_deleted)]]
        </span>
      </div>
    </div>
    <div class$="row controlRow [[_computeFileListControlClass(numFilesShown, _files)]]">
      <gr-button
          class="fileListButton"
          id="incrementButton"
          link on-click="_incrementNumFilesShown">
        [[_computeIncrementText(numFilesShown, _files)]]
      </gr-button>
      <gr-tooltip-content
          has-tooltip="[[_computeWarnShowAll(_files)]]"
          show-icon="[[_computeWarnShowAll(_files)]]"
          title$="[[_computeShowAllWarning(_files)]]">
        <gr-button
            class="fileListButton"
            id="showAllButton"
            link on-click="_showAllFiles">
          [[_computeShowAllText(_files)]]
        </gr-button><!--
  --></gr-tooltip-content>
    </div>
    <gr-diff-preferences-dialog
        id="diffPreferencesDialog"
        diff-prefs="{{diffPrefs}}"
        on-reload-diff-preference="_handleReloadingDiffPreference">
    </gr-diff-preferences-dialog>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
    <gr-storage id="storage"></gr-storage>
    <gr-diff-cursor id="diffCursor"></gr-diff-cursor>
    <gr-cursor-manager
        id="fileCursor"
        scroll-behavior="keep-visible"
        focus-on-move
        cursor-target-class="selected"></gr-cursor-manager>
    <gr-reporting id="reporting"></gr-reporting>
  </template>
  <script src="gr-file-list.js"></script>
</dom-module>