mirror of
https://github.com/jellyfin/jellyfin-web.git
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104 lines
2.9 KiB
HTML
104 lines
2.9 KiB
HTML
<!--
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@license
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Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<link rel="import" href="../polymer/polymer.html">
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<link rel="import" href="../iron-behaviors/iron-button-state.html">
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<link rel="import" href="paper-ripple-behavior.html">
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<script>
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/** @polymerBehavior Polymer.PaperButtonBehavior */
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Polymer.PaperButtonBehaviorImpl = {
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properties: {
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/**
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* The z-depth of this element, from 0-5. Setting to 0 will remove the
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* shadow, and each increasing number greater than 0 will be "deeper"
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* than the last.
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*
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* @attribute elevation
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* @type number
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* @default 1
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*/
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elevation: {
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type: Number,
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reflectToAttribute: true,
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readOnly: true
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}
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},
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observers: [
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'_calculateElevation(focused, disabled, active, pressed, receivedFocusFromKeyboard)',
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'_computeKeyboardClass(receivedFocusFromKeyboard)'
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],
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hostAttributes: {
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role: 'button',
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tabindex: '0',
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animated: true
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},
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_calculateElevation: function() {
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var e = 1;
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if (this.disabled) {
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e = 0;
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} else if (this.active || this.pressed) {
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e = 4;
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} else if (this.receivedFocusFromKeyboard) {
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e = 3;
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}
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this._setElevation(e);
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},
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_computeKeyboardClass: function(receivedFocusFromKeyboard) {
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this.toggleClass('keyboard-focus', receivedFocusFromKeyboard);
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},
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/**
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* In addition to `IronButtonState` behavior, when space key goes down,
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* create a ripple down effect.
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*
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* @param {!KeyboardEvent} event .
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*/
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_spaceKeyDownHandler: function(event) {
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Polymer.IronButtonStateImpl._spaceKeyDownHandler.call(this, event);
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// Ensure that there is at most one ripple when the space key is held down.
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if (this.hasRipple() && this.getRipple().ripples.length < 1) {
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this._ripple.uiDownAction();
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}
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},
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/**
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* In addition to `IronButtonState` behavior, when space key goes up,
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* create a ripple up effect.
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*
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* @param {!KeyboardEvent} event .
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*/
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_spaceKeyUpHandler: function(event) {
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Polymer.IronButtonStateImpl._spaceKeyUpHandler.call(this, event);
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if (this.hasRipple()) {
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this._ripple.uiUpAction();
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}
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}
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};
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/** @polymerBehavior */
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Polymer.PaperButtonBehavior = [
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Polymer.IronButtonState,
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Polymer.IronControlState,
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Polymer.PaperRippleBehavior,
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Polymer.PaperButtonBehaviorImpl
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];
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</script>
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