Blame view

bower_components/neon-animation/neon-animated-pages.html 6 KB
73bcce88   luigser   COMPONENTS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
  <!--
  Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
  This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  Code distributed by Google as part of the polymer project is also
  subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  -->
  <link rel="import" href="../polymer/polymer.html">
  <link rel="import" href="../iron-resizable-behavior/iron-resizable-behavior.html">
  <link rel="import" href="../iron-selector/iron-selectable.html">
  <link rel="import" href="neon-animation-runner-behavior.html">
  <link rel="import" href="animations/opaque-animation.html">
  
  <!--
eb240478   Luigi Serra   public room cards...
16
17
  Material design: [Meaningful transitions](https://www.google.com/design/spec/animation/meaningful-transitions.html)
  
73bcce88   luigser   COMPONENTS
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
  `neon-animated-pages` manages a set of pages and runs an animation when switching between them. Its
  children pages should implement `Polymer.NeonAnimatableBehavior` and define `entry` and `exit`
  animations to be run when switching to or switching out of the page.
  
  @group Neon Elements
  @element neon-animated-pages
  @demo demo/index.html
  -->
  
  <dom-module id="neon-animated-pages">
  
    <style>
  
      :host {
        display: block;
        position: relative;
      }
  
      :host > ::content > * {
6e242d84   Andrea Petta   plugin update
37
        /*position: absolute; SPODDESPODDESPODDE*/
73bcce88   luigser   COMPONENTS
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
        top: 0;
        left: 0;
        bottom: 0;
        right: 0;
        height: 100%;
      }
  
      :host > ::content > :not(.iron-selected):not(.neon-animating) {
        display: none !important;
      }
  
      :host > ::content > .neon-animating {
        pointer-events: none;
      }
  
    </style>
  
    <template>
      <content id="content"></content>
    </template>
  
  </dom-module>
  
  <script>
  (function() {
  
    Polymer({
  
      is: 'neon-animated-pages',
  
      behaviors: [
        Polymer.IronResizableBehavior,
        Polymer.IronSelectableBehavior,
        Polymer.NeonAnimationRunnerBehavior
      ],
  
      properties: {
  
        activateEvent: {
          type: String,
          value: ''
        },
  
        // if true, the initial page selection will also be animated according to its animation config.
        animateInitialSelection: {
          type: Boolean,
          value: false
        }
  
      },
  
      observers: [
        '_selectedChanged(selected)'
      ],
  
      listeners: {
        'neon-animation-finish': '_onNeonAnimationFinish'
      },
  
      _selectedChanged: function(selected) {
  
        var selectedPage = this.selectedItem;
        var oldPage = this._valueToItem(this._prevSelected) || false;
        this._prevSelected = selected;
  
        // on initial load and if animateInitialSelection is negated, simply display selectedPage.
        if (!oldPage && !this.animateInitialSelection) {
          this._completeSelectedChanged();
          return;
        }
  
        // insert safari fix.
        this.animationConfig = [{
          name: 'opaque-animation',
          node: selectedPage
        }];
  
        // configure selectedPage animations.
        if (this.entryAnimation) {
          this.animationConfig.push({
            name: this.entryAnimation,
            node: selectedPage
          });
        } else {
          if (selectedPage.getAnimationConfig) {
            this.animationConfig.push({
              animatable: selectedPage,
              type: 'entry'
            });
          }
        }
  
        // configure oldPage animations iff exists.
        if (oldPage) {
  
          // cancel the currently running animation if one is ongoing.
          if (oldPage.classList.contains('neon-animating')) {
            this._squelchNextFinishEvent = true;
            this.cancelAnimation();
            this._completeSelectedChanged();
eb240478   Luigi Serra   public room cards...
138
            this._squelchNextFinishEvent = false;
73bcce88   luigser   COMPONENTS
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
          }
  
          // configure the animation.
          if (this.exitAnimation) {
            this.animationConfig.push({
              name: this.exitAnimation,
              node: oldPage
            });
          } else {
            if (oldPage.getAnimationConfig) {
              this.animationConfig.push({
                animatable: oldPage,
                type: 'exit'
              });
            }
          }
  
          // display the oldPage during the transition.
          oldPage.classList.add('neon-animating');
        }
  
        // display the selectedPage during the transition.
        selectedPage.classList.add('neon-animating');
  
        // actually run the animations.
        if (this.animationConfig.length > 1) {
  
          // on first load, ensure we run animations only after element is attached.
          if (!this.isAttached) {
            this.async(function () {
              this.playAnimation(undefined, {
                fromPage: null,
                toPage: selectedPage
              });
            });
  
          } else {
            this.playAnimation(undefined, {
              fromPage: oldPage,
              toPage: selectedPage
            });
          }
  
        } else {
          this._completeSelectedChanged(oldPage, selectedPage);
        }
      },
  
      /**
       * @param {Object=} oldPage
       * @param {Object=} selectedPage
       */
      _completeSelectedChanged: function(oldPage, selectedPage) {
        if (selectedPage) {
          selectedPage.classList.remove('neon-animating');
        }
        if (oldPage) {
          oldPage.classList.remove('neon-animating');
        }
        if (!selectedPage || !oldPage) {
          var nodes = Polymer.dom(this.$.content).getDistributedNodes();
          for (var node, index = 0; node = nodes[index]; index++) {
            node.classList && node.classList.remove('neon-animating');
          }
        }
        this.async(this._notifyPageResize);
      },
  
      _onNeonAnimationFinish: function(event) {
        if (this._squelchNextFinishEvent) {
          this._squelchNextFinishEvent = false;
          return;
        }
        this._completeSelectedChanged(event.detail.fromPage, event.detail.toPage);
      },
  
      _notifyPageResize: function() {
        var selectedPage = this.selectedItem;
        this.resizerShouldNotify = function(element) {
          return element == selectedPage;
        }
        this.notifyResize();
      }
  
    })
  
  })();
  </script>