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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,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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<link rel="import" href="../../../bower_components/polymer/polymer.html">
<link rel="import" href="../../../bower_components/iron-dropdown/iron-dropdown.html">
<link rel="import" href="../../../behaviors/keyboard-shortcut-behavior.html">
<link rel="import" href="../../shared/gr-button/gr-button.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="../../shared/gr-select/gr-select.html">
<link rel="import" href="../gr-diff/gr-diff.html">
<link rel="import" href="../gr-diff-cursor/gr-diff-cursor.html">
<link rel="import" href="../gr-diff-preferences/gr-diff-preferences.html">
<link rel="import" href="../gr-patch-range-select/gr-patch-range-select.html">

<dom-module id="gr-diff-view">
  <template>
    <style>
      :host {
        background-color: var(--view-background-color);
        display: flex;
        flex-direction: column;
        height: 100%;
      }
      .titleHeader,
      .patchRangeHeader {
        align-items: center;
        display: flex;
        justify-content: space-between;
      }
      .titleHeader {
        padding: .75em var(--default-horizontal-margin);
      }
      .patchRangeHeader {
        margin: 0 var(--default-horizontal-margin) .75em;
      }
      #diff {
        flex: 1;
        overflow: auto;
      }
      .navLink:not([href]) {
        color: #999;
      }
      .reviewed {
        display: inline-block;
        margin: 0 .25em;
        vertical-align: .15em;
      }
      .jumpToFileContainer {
        display: inline-block;
      }
      .mobileJumpToFileContainer {
        display: none;
      }
      .downArrow {
        display: inline-block;
        font-size: .6em;
        vertical-align: middle;
      }
      .dropdown-trigger {
        color: #00e;
        cursor: pointer;
        padding: 0;
      }
      .dropdown-content {
        background-color: #fff;
        box-shadow: 0 1px 5px rgba(0, 0, 0, .3);
      }
      .dropdown-content a {
        cursor: pointer;
        display: block;
        font-weight: normal;
        padding: .3em .5em;
      }
      .dropdown-content a:before {
        color: #ccc;
        content: attr(data-key-nav);
        display: inline-block;
        margin-right: .5em;
        width: .3em;
      }
      .dropdown-content a:hover {
        background-color: #00e;
        color: #fff;
      }
      .dropdown-content a[selected] {
        color: #000;
        font-weight: bold;
        pointer-events: none;
        text-decoration: none;
      }
      .dropdown-content a[selected]:hover {
        background-color: #fff;
        color: #000;
      }
      gr-button {
        font: inherit;
        padding: .3em 0;
        text-decoration: none;
      }
      .loading {
        padding: 0 var(--default-horizontal-margin) 1em;
        color: #666;
      }
      .prefsButton {
        text-align: right;
      }
      #modeSelect {
        margin-left: .5em;
      }
      @media screen and (max-width: 50em) {
        .dash {
          display: none;
        }
        .reviewed {
          vertical-align: -.1em;
        }
        .jumpToFileContainer {
          display: none;
        }
        .mobileJumpToFileContainer {
          display: block;
          width: 100%;
        }
        .mobileJumpToFileContainer select {
          width: 100%;
        }
      }
    </style>
    <header>
      <div class="titleHeader">
        <h3>
          <a href$="[[_computeChangePath(_changeNum, _patchRange.*, _change.revisions)]]">
            [[_changeNum]]</a><span>:</span>
          <span>[[_change.subject]]</span>
          <span class="dash">—</span>
          <input
              id="reviewed"
              class="reviewed"
              type="checkbox"
              on-change="_handleReviewedChange"
              hidden$="[[!_loggedIn]]"
              hidden>
          <div class="jumpToFileContainer">
            <gr-button link class="dropdown-trigger" id="trigger" on-tap="_showDropdownTapHandler">
              <span>[[_computeFileDisplayName(_path)]]</span>
              <span class="downArrow">&#9660;</span>
            </gr-button>
            <iron-dropdown id="dropdown" vertical-align="top" vertical-offset="25">
              <div class="dropdown-content">
                <template
                    is="dom-repeat"
                    items="[[_fileList]]"
                    as="path"
                    initial-count="75">
                  <a href$="[[_computeDiffURL(_changeNum, _patchRange.*, path)]]"
                     selected$="[[_computeFileSelected(path, _path)]]"
                     data-key-nav$="[[_computeKeyNav(path, _path, _fileList)]]"
                     on-tap="_handleFileTap">[[_computeFileDisplayName(path)]]</a>
                </template>
              </div>
            </iron-dropdown>
          </div>
          <div class="mobileJumpToFileContainer">
            <select on-change="_handleMobileSelectChange">
              <template is="dom-repeat" items="[[_fileList]]" as="path">
                <option
                    value$="[[path]]"
                    selected$="[[_computeFileSelected(path, _path)]]">
                  [[_computeTruncatedFileDisplayName(path)]]
                </option>
              </template>
            </select>
          </div>
        </h3>
        <div>
          <a class="navLink"
             href$="[[_computeNavLinkURL(_path, _fileList, -1, 1)]]">Prev</a>
          /
          <a class="navLink"
             href$="[[_computeNavLinkURL(_path, _fileList, 1, 1)]]">Next</a>
        </div>
      </div>
      <div class="loading" hidden$="[[!_loading]]">Loading...</div>
      <div class="patchRangeHeader" hidden hidden$="[[_loading]]">
        <gr-patch-range-select
            path="[[_path]]"
            change-num="[[_changeNum]]"
            patch-range="[[_patchRange]]"
            files-weblinks="[[_filesWeblinks]]"
            available-patches="[[_computeAvailablePatches(_change.revisions)]]">
        </gr-patch-range-select>
        <div>
          <select
              id="modeSelect"
              is="gr-select"
              bind-value="{{changeViewState.diffMode}}"
              hidden$="[[_computeModeSelectHidden(_isImageDiff)]]"
              on-change="_handleDropdownChange">
            <option value="SIDE_BY_SIDE">Side By Side</option>
            <option value="UNIFIED_DIFF">Unified</option>
          </select>
          <span hidden$="[[_computePrefsButtonHidden(_prefs, _loggedIn)]]">
            <span
                hidden$="[[_computeModeSelectHidden(_isImageDiff)]]">/</span>
            <gr-button
                link
                class="prefsButton"
                on-tap="_handlePrefsTap">Preferences</gr-button>
          </span>
        </div>
        <gr-overlay id="prefsOverlay" with-backdrop>
          <gr-diff-preferences
              id="diffPreferences"
              prefs="{{_prefs}}"
              local-prefs="{{_localPrefs}}"
              on-save="_handlePrefsSave"
              on-cancel="_handlePrefsCancel"></gr-diff-preferences>
        </gr-overlay>
      </div>
    </header>
    <gr-diff
        id="diff"
        hidden
        hidden$="[[_loading]]"
        project="[[_change.project]]"
        commit="[[_change.current_revision]]"
        is-image-diff="{{_isImageDiff}}"
        files-weblinks="{{_filesWeblinks}}"
        change-num="[[_changeNum]]"
        patch-range="[[_patchRange]]"
        path="[[_path]]"
        prefs="[[_prefs]]"
        project-config="[[_projectConfig]]"
        view-mode="[[_diffMode]]"
        on-line-selected="_onLineSelected">
    </gr-diff>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
    <gr-storage id="storage"></gr-storage>
    <gr-diff-cursor id="cursor"></gr-diff-cursor>
  </template>
  <script src="gr-diff-view.js"></script>
</dom-module>