<!--
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.
See the License for the specific language governing permissions and
limitations under the License.
-->

<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="../../../styles/shared-styles.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
<link rel="import" href="../gr-diff-builder/gr-diff-builder.html">
<link rel="import" href="../gr-diff-comment-thread/gr-diff-comment-thread.html">
<link rel="import" href="../gr-diff-highlight/gr-diff-highlight.html">
<link rel="import" href="../gr-diff-selection/gr-diff-selection.html">
<link rel="import" href="../gr-syntax-themes/gr-theme-default.html">

<script src="../../../scripts/hiddenscroll.js"></script>

<dom-module id="gr-diff">
  <template>
    <style include="shared-styles">
      :host {
        --light-remove-highlight-color: #fee;
        --dark-remove-highlight-color: rgba(255, 0, 0, 0.15);
        --light-add-highlight-color: #efe;
        --dark-add-highlight-color: rgba(0, 255, 0, 0.15);
        --light-rebased-remove-highlight-color: #fff6ea;
        --dark-rebased-remove-highlight-color: rgba(255, 139, 6, 0.15);
        --light-rebased-add-highlight-color: #edfffa;
        --dark-rebased-add-highlight-color: rgba(11, 255, 155, 0.15);
      }
      :host(.no-left) .sideBySide ::content .left,
      :host(.no-left) .sideBySide ::content .left + td,
      :host(.no-left) .sideBySide ::content .right:not([data-value]),
      :host(.no-left) .sideBySide ::content .right:not([data-value]) + td {
        display: none;
      }
      .diffContainer {
        display: flex;
        font: 12px var(--monospace-font-family);
        @apply --diff-container-styles;
      }
      .diffContainer.hiddenscroll {
        padding-bottom: .8em;
      }
      table {
        border-collapse: collapse;
        border-right: 1px solid #ddd;
        table-layout: fixed;
      }
      .lineNum {
        background-color: #eee;
      }
      .image-diff .gr-diff {
        text-align: center;
      }
      .image-diff img {
        max-width: 50em;
        outline: 1px solid #ccc;
      }
      .image-diff label,
      .binary-diff label {
        font-family: var(--font-family);
        font-style: italic;
      }
      .diff-row {
        outline: none;
      }
      .diff-row.target-row.target-side-left .lineNum.left,
      .diff-row.target-row.target-side-right .lineNum.right,
      .diff-row.target-row.unified .lineNum {
        background-color: #BBDEFB;
      }
      .diff-row.target-row.target-side-left .lineNum.left:before,
      .diff-row.target-row.target-side-right .lineNum.right:before,
      .diff-row.target-row.unified .lineNum:before {
        color: #000;
      }
      .blank,
      .content {
        background-color: #fff;
      }
      .full-width {
        width: 100%;
      }
      .full-width .contentText {
        white-space: pre-wrap;
        word-wrap: break-word;
      }
      .lineNum,
      .content {
        /* Set font size based the user's diff preference. */
        font-size: var(--font-size, 12px);
        vertical-align: top;
        white-space: pre;
      }
      .contextLineNum:before,
      .lineNum:before {
        box-sizing: border-box;
        display: inline-block;
        color: #666;
        content: attr(data-value);
        padding: 0 .5em;
        text-align: right;
        width: 100%;
      }
      .canComment .lineNum[data-value] {
        cursor: pointer;
      }
      .canComment .lineNum[data-value="FILE"]:before {
        content: 'File';
      }
      .content {
        overflow: hidden;
        /* Set max and min width since setting width on table cells still
           allows them to shrink. */
        max-width: var(--content-width, 80ch);
        min-width: var(--content-width, 80ch);
        width: var(--content-width, 80ch);
      }
      .content.add .intraline,
      .delta.total .content.add {
        background-color: var(--dark-add-highlight-color);
      }
      .content.add {
        background-color: var(--light-add-highlight-color);
      }
      .content.remove .intraline,
      .delta.total .content.remove {
        background-color: var(--dark-remove-highlight-color);
      }
      .content.remove {
        background-color: var(--light-remove-highlight-color);
      }
      .dueToRebase .content.add .intraline,
      .delta.total.dueToRebase .content.add {
        background-color: var(--dark-rebased-add-highlight-color);
      }
      .dueToRebase .content.add {
        background-color: var(--light-rebased-add-highlight-color);
      }
      .dueToRebase .content.remove .intraline,
      .delta.total.dueToRebase .content.remove {
        background-color: var(--dark-rebased-remove-highlight-color);
      }
      .dueToRebase .content.remove {
        background-color: var(--light-rebased-remove-highlight-color);
      }
      .content .contentText:after {
        /* Newline, to ensure all lines are one line-height tall. */
        content: '\A';
      }
      .contextControl {
        background-color: #fef;
        color: #849;
      }
      .contextControl gr-button {
        display: inline-block;
        font-family: var(--monospace-font-family);
        text-decoration: none;
      }
      .contextControl td:not(.lineNum) {
        text-align: center;
      }
      .displayLine .diff-row.target-row td {
        box-shadow: inset 0 -1px #bbb;
      }
      .br:after {
        /* Line feed */
        content: '\A';
      }
      .tab {
        display: inline-block;
      }
      .tab-indicator:before {
        color: #C62828;
        /* >> character */
        content: '\00BB';
      }
      .trailing-whitespace {
        border-radius: .4em;
        background-color: #FF9AD2;
      }
      #diffHeader {
        background-color: #F9F9F9;
        color: #2A00FF;
        font-family: var(--monospace-font-family);
        font-size: var(--font-size, 12px);
        padding: 0.5em 0 0.5em 4em;
      }
      #sizeWarning {
        display: none;
        margin: 1em auto;
        max-width: 60em;
        text-align: center;
      }
      #sizeWarning gr-button {
        margin: 1em;
      }
      #sizeWarning.warn {
        display: block;
      }
      .target-row td.blame {
        background: #eee;
      }
      col.blame {
        display: none;
      }
      td.blame {
        display: none;
        font-family: var(--font-family);
        font-size: var(--font-size, 12px);
        padding: 0 .5em;
        white-space: pre;
      }
      :host(.showBlame) col.blame {
        display: table-column;
      }
      :host(.showBlame) td.blame {
        display: table-cell;
      }
      td.blame > span {
        opacity: 0.6;
      }
      td.blame > span.startOfRange {
        opacity: 1;
      }
      td.blame .sha {
        font-family: var(--monospace-font-family);
      }
      .full-width td.blame {
        overflow: hidden;
        width: 200px;
      }
    </style>
    <style include="gr-theme-default"></style>
    <div id="diffHeader" hidden$="[[_computeDiffHeaderHidden(_diffHeaderItems)]]">
      <template
          is="dom-repeat"
          items="[[_diffHeaderItems]]">
        <div>[[item]]</div>
      </template>
    </div>
    <div class$="[[_computeContainerClass(_loggedIn, viewMode, displayLine)]]"
        on-tap="_handleTap">
      <gr-diff-selection diff="[[_diff]]">
        <gr-diff-highlight
            id="highlights"
            logged-in="[[_loggedIn]]"
            comments="{{comments}}">
          <gr-diff-builder
              id="diffBuilder"
              comments="[[comments]]"
              project-name="[[projectName]]"
              diff="[[_diff]]"
              diff-path="[[path]]"
              change-num="[[changeNum]]"
              patch-num="[[patchRange.patchNum]]"
              view-mode="[[viewMode]]"
              line-wrapping="[[lineWrapping]]"
              is-image-diff="[[isImageDiff]]"
              base-image="[[_baseImage]]"
              revision-image="[[_revisionImage]]"
              parent-index="[[_parentIndex]]">
            <table
                id="diffTable"
                class$="[[_diffTableClass]]"
                role="presentation"></table>
          </gr-diff-builder>
        </gr-diff-highlight>
      </gr-diff-selection>
    </div>
    <div id="sizeWarning" class$="[[_computeWarningClass(_showWarning)]]">
      <p>
        Prevented render because "Whole file" is enabled and this diff is very
        large (about [[_diffLength(_diff)]] lines).
      </p>
      <gr-button on-tap="_handleLimitedBypass">
        Render with limited context
      </gr-button>
      <gr-button on-tap="_handleFullBypass">
        Render anyway (may be slow)
      </gr-button>
    </div>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
  </template>
  <script src="gr-diff-line.js"></script>
  <script src="gr-diff-group.js"></script>
  <script src="gr-diff.js"></script>
</dom-module>