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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="../../../bower_components/polymer/polymer.html">
<link rel="import" href="../../core/gr-reporting/gr-reporting.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../gr-message/gr-message.html">
<link rel="import" href="../../../styles/shared-styles.html">

<dom-module id="gr-messages-list">
  <template>
    <style include="shared-styles">
      :host,
      .messageListControls {
        display: block;
      }
      .header {
        align-items: center;
        background-color: #fafafa;
        border-bottom: 1px solid #ddd;
        border-top: 1px solid #ddd;
        display: flex;
        justify-content: space-between;
        min-height: 3.2em;
        padding: .5em var(--default-horizontal-margin);
      }
      #messageControlsContainer {
        padding: 0 var(--default-horizontal-margin);
      }
      .highlighted {
        animation: 3s fadeOut;
      }
      @keyframes fadeOut {
        0% { background-color: #fff9c4; }
        100% { background-color: #fff; }
      }
      #messageControlsContainer {
        align-items: center;
        border-bottom: 1px solid #ddd;
        display: flex;
        height: 2.25em;
        justify-content: center;
      }
      #messageControlsContainer gr-button {
        padding: 0.4em 0;
      }
      .separator {
        background-color: rgba(0, 0, 0, .3);
        height: 1.5em;
        margin: 0 .6em;
        width: 1px;
      }
      .separator.transparent {
        background-color: transparent;
      }
      .container {
        align-items: center;
        display: flex;
      }
    </style>
    <div class="header">
      <h3>Messages</h3>
      <div class="messageListControls container">
        <gr-button id="collapse-messages" link
            on-tap="_handleExpandCollapseTap">
          [[_computeExpandCollapseMessage(_expanded)]]
        </gr-button>
        <span
            id="automatedMessageToggleContainer"
            class="container"
            hidden$="[[!_hasAutomatedMessages(messages)]]">
          <span class="transparent separator"></span>
          <gr-button id="automatedMessageToggle" link
              on-tap="_handleAutomatedMessageToggleTap">
            [[_computeAutomatedToggleText(_hideAutomated)]]
          </gr-button>
        </span>
      </div>
    </div>
    <span
        id="messageControlsContainer"
        hidden$="[[_computeShowHideTextHidden(_visibleMessages, _processedMessages, _hideAutomated, _visibleMessages.length)]]">
      <gr-button id="oldMessagesBtn" link on-tap="_handleShowAllTap">
          [[_computeNumMessagesText(_visibleMessages, _processedMessages, _hideAutomated, _visibleMessages.length)]]
      </gr-button>
      <span
          class="container"
          hidden$="[[_computeIncrementHidden(_visibleMessages, _processedMessages, _hideAutomated, _visibleMessages.length)]]">
        <span class="transparent separator"></span>
        <gr-button id="incrementMessagesBtn" link
            on-tap="_handleIncrementShownMessages">
          [[_computeIncrementText(_visibleMessages, _processedMessages, _hideAutomated, _visibleMessages.length)]]
        </gr-button>
      </span>
    </span>
    <template
        is="dom-repeat"
        items="[[_visibleMessages]]"
        as="message">
      <gr-message
          change-num="[[changeNum]]"
          message="[[message]]"
          comments="[[_computeCommentsForMessage(comments, message)]]"
          hide-automated="[[_hideAutomated]]"
          project-name="[[projectName]]"
          show-reply-button="[[showReplyButtons]]"
          on-scroll-to="_handleScrollTo"
          data-message-id$="[[message.id]]"></gr-message>
    </template>
    <gr-reporting id="reporting" category="message-list"></gr-reporting>
  </template>
  <script src="gr-messages-list.js"></script>
</dom-module>