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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

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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/keyboard-shortcut-behavior.html">
<link rel="import" href="../../../behaviors/rest-client-behavior.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-date-formatter/gr-date-formatter.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-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);
      }
      .headerContainer {
        height: 4.1em;
        margin-bottom: .5em;
      }
      .header {
        align-items: center;
        background-color: var(--view-background-color);
        border-bottom: 1px solid #ddd;
        display: flex;
        padding: 1em var(--default-horizontal-margin);
        z-index: 99;  /* Less than gr-overlay's backdrop */
      }
      .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;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }
      gr-change-star {
        margin-right: .25em;
        vertical-align: -.425em;
      }
      .download,
      .patchSelectLabel {
        margin-left: 1em;
      }
      .header select {
        margin-left: .5em;
      }
      .header .reply {
        margin-left: var(--default-horizontal-margin);
      }
      gr-reply-dialog {
        width: 50em;
      }
      .changeStatus {
        color: #999;
        text-transform: capitalize;
      }
      section {
        margin: 10px 0;
        padding: 10px var(--default-horizontal-margin);
      }
      /* Strong specificity here is needed due to
         https://github.com/Polymer/polymer/issues/2531 */
      .container section.changeInfo {
        border-bottom: 1px solid #ddd;
        display: flex;
        margin-top: 0;
        padding-top: 0;
      }
      .changeInfo-column:not(:last-of-type) {
        margin-right: 1em;
        padding-right: 1em;
      }
      .changeMetadata {
        border-right: 1px solid #ddd;
        font-size: .9em;
      }
      gr-change-actions {
        margin-top: 1em;
      }
      .commitMessage {
        font-family: var(--monospace-font-family);
        flex: 0 0 72ch;
        margin-right: 2em;
        margin-bottom: 1em;
        overflow-x: hidden;
      }
      .commitMessage h4 {
        font-family: var(--font-family);
        font-weight: bold;
        margin-bottom: .25em;
      }
      .commitMessage gr-linked-text {
        --linked-text-white-space: pre;
        overflow: auto;
      }
      .commitAndRelated {
        align-content: flex-start;
        display: flex;
        flex: 1;
        overflow-x: hidden;
      }
      .relatedChanges {
        flex: 1 1 auto;
        font-size: .9em;
        overflow: hidden;
      }
      gr-file-list {
        margin-bottom: 1em;
        padding: 0 var(--default-horizontal-margin);
      }
      @media screen and (max-width: 50em) {
        .headerContainer {
          height: 5.15em;
        }
        .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;
        }
        .header-actions {
          align-items: center;
          display: flex;
          justify-content: space-between;
          margin-top: .5em;
        }
        gr-reply-dialog {
          min-width: initial;
          width: 90vw;
        }
        .download {
          display: none;
        }
        .patchSelectLabel {
          margin-left: 0;
          margin-right: .5em;
        }
        .header select {
          margin-left: 0;
          margin-right: .5em;
        }
        .header .reply {
          margin-left: 0;
          margin-right: .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;
        }
        .commitMessage {
          flex: initial;
          margin-right: 0;
        }
      }
    </style>
    <div class="container loading" hidden$="{{!_loading}}">Loading...</div>
    <div class="container" hidden$="{{_loading}}">
      <div class="headerContainer">
        <div class="header">
          <span class="header-title">
            <gr-change-star change="{{_change}}" hidden$="[[!_loggedIn]]"></gr-change-star>
            <a href$="[[_computeChangePermalink(_change._number)]]">[[_change._number]]</a><span>:</span>
            <span>[[_change.subject]]</span>
            <span class="changeStatus">[[_computeChangeStatus(_change, _patchRange.patchNum)]]</span>
          </span>
          <span class="header-actions">
            <gr-button hidden
                class="reply"
                primary$="[[_computeReplyButtonHighlighted(_diffDrafts.*)]]"
                hidden$="[[!_loggedIn]]"
                on-tap="_handleReplyTap">[[_replyButtonLabel]]</gr-button>
            <gr-button class="download" on-tap="_handleDownloadTap">Download</gr-button>
            <span>
              <label class="patchSelectLabel" for="patchSetSelect">Patch set</label>
              <select id="patchSetSelect" on-change="_handlePatchChange">
                <template is="dom-repeat" items="{{_allPatchSets}}" as="patchNumber">
                  <option value$="[[patchNumber]]" selected$="[[_computePatchIndexIsSelected(index, _patchRange.patchNum)]]">
                    <span>[[patchNumber]]</span>
                    /
                    <span>[[_computeLatestPatchNum(_change)]]</span>
                  </option>
                </template>
              </select>
            </span>
          </span>
        </div>
      </div>
      <section class="changeInfo">
        <div class="changeInfo-column changeMetadata">
          <gr-change-metadata
              change="[[_change]]"
              server-config="[[serverConfig]]"
              mutable="[[_loggedIn]]"></gr-change-metadata>
          <gr-change-actions id="actions"
              actions="[[_change.actions]]"
              change-num="[[_changeNum]]"
              patch-num="[[_patchRange.patchNum]]"
              commit-info="[[_commitInfo]]"
              on-reload-change="_handleReloadChange"></gr-change-actions>
        </div>
        <div class="changeInfo-column commitAndRelated">
          <div class="commitMessage">
            <h4>Commit message</h4>
            <gr-linked-text pre
                content="[[_commitInfo.message]]"
                config="[[_projectConfig.commentlinks]]"></gr-linked-text>
          </div>
          <div class="relatedChanges">
            <gr-related-changes-list id="relatedChanges"
                change="[[_change]]"
                patch-num="[[_patchRange.patchNum]]"></gr-related-changes-list>
          </div>
        </div>
      </section>
      <gr-file-list id="fileList"
          change="[[_change]]"
          change-num="[[_changeNum]]"
          patch-range="[[_patchRange]]"
          comments="[[_comments]]"
          drafts="[[_diffDrafts]]"
          revisions="[[_change.revisions]]"
          projectConfig="[[projectConfig]]"
          selected-index="{{viewState.selectedFileIndex}}"></gr-file-list>
      <gr-messages-list id="messageList"
          change-num="[[_changeNum]]"
          messages="[[_change.messages]]"
          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
          change="[[_change]]"
          patch-num="[[_patchRange.patchNum]]"
          config="[[serverConfig.download]]"
          on-close="_handleDownloadDialogClose"></gr-download-dialog>
    </gr-overlay>
    <gr-overlay id="replyOverlay"
        on-iron-overlay-opened="_handleReplyOverlayOpen"
        with-backdrop>
      <gr-reply-dialog id="replyDialog"
          change-num="[[_changeNum]]"
          patch-num="[[_patchRange.patchNum]]"
          revisions="[[_change.revisions]]"
          labels="[[_change.labels]]"
          permitted-labels="[[_change.permitted_labels]]"
          diff-drafts="[[_diffDrafts]]"
          on-send="_handleReplySent"
          on-cancel="_handleReplyCancel"
          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>