mirror of
https://github.com/jellyfin/jellyfin-web.git
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133 lines
3.5 KiB
HTML
133 lines
3.5 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-overlay-manager.html">
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<!--
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`iron-overlay-backdrop` is a backdrop used by `Polymer.IronOverlayBehavior`. It should be a
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singleton.
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### Styling
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The following custom properties and mixins are available for styling.
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Custom property | Description | Default
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-------------------------------------------|------------------------|---------
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`--iron-overlay-backdrop-background-color` | Backdrop background color | #000
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`--iron-overlay-backdrop-opacity` | Backdrop opacity | 0.6
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`--iron-overlay-backdrop` | Mixin applied to `iron-overlay-backdrop`. | {}
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`--iron-overlay-backdrop-opened` | Mixin applied to `iron-overlay-backdrop` when it is displayed | {}
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-->
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<dom-module id="iron-overlay-backdrop">
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<style>
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:host {
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position: fixed;
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top: 0;
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left: 0;
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width: 100vw;
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height: 100vh;
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background-color: var(--iron-overlay-backdrop-background-color, #000);
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opacity: 0;
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transition: opacity 0.2s;
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@apply(--iron-overlay-backdrop);
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}
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:host([opened]) {
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opacity: var(--iron-overlay-backdrop-opacity, 0.6);
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@apply(--iron-overlay-backdrop-opened);
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}
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</style>
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<template>
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<content></content>
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</template>
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</dom-module>
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<script>
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(function() {
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Polymer({
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is: 'iron-overlay-backdrop',
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properties: {
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/**
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* Returns true if the backdrop is opened.
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*/
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opened: {
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readOnly: true,
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reflectToAttribute: true,
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type: Boolean,
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value: false
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},
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_manager: {
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type: Object,
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value: Polymer.IronOverlayManager
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}
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},
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/**
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* Appends the backdrop to document body and sets its `z-index` to be below the latest overlay.
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*/
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prepare: function() {
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if (!this.parentNode) {
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Polymer.dom(document.body).appendChild(this);
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this.style.zIndex = this._manager.currentOverlayZ() - 1;
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}
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},
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/**
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* Shows the backdrop if needed.
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*/
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open: function() {
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// only need to make the backdrop visible if this is called by the first overlay with a backdrop
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if (this._manager.getBackdrops().length < 2) {
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this._setOpened(true);
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}
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},
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/**
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* Hides the backdrop if needed.
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*/
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close: function() {
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// only need to make the backdrop invisible if this is called by the last overlay with a backdrop
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if (this._manager.getBackdrops().length < 2) {
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this._setOpened(false);
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}
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},
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/**
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* Removes the backdrop from document body if needed.
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*/
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complete: function() {
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// only remove the backdrop if there are no more overlays with backdrops
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if (this._manager.getBackdrops().length === 0 && this.parentNode) {
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Polymer.dom(this.parentNode).removeChild(this);
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}
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}
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});
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})();
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</script>
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