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a/Source/WebCore/Modules/modern-media-controls/media/media-document-controller.js_sec1
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/* |
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* Copyright (C) 2017 Apple Inc. All Rights Reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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class MediaDocumentController |
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{ |
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constructor(mediaController) |
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{ |
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this.mediaController = mediaController; |
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const media = mediaController.media; |
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media.classList.add("media-document"); |
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if (media.readyState >= HTMLMediaElement.HAVE_METADATA) |
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this._mediaDocumentHasMetadata(); |
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else |
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media.addEventListener("loadedmetadata", this); |
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} |
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// Protected |
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handleEvent(event) |
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{ |
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event.currentTarget.removeEventListener(event.type, this); |
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if (event.type === "loadedmetadata") |
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this._mediaDocumentHasMetadata(); |
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else if (event.type === "resize") |
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this._mediaDocumentHasSize(); |
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} |
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// Private |
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_mediaDocumentHasMetadata() |
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{ |
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const media = this.mediaController.media; |
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media.classList.add(this.mediaController.isAudio ? "audio" : "video"); |
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media.classList.add(window.navigator.platform === "MacIntel" ? "mac" : window.navigator.platform); |
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if (this.mediaController.isAudio) |
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this._mediaDocumentHasSize(); |
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else |
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this.mediaController.shadowRoot.addEventListener("resize", this); |
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} |
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_mediaDocumentHasSize() |
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{ |
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window.requestAnimationFrame(() => this.mediaController.media.classList.add("ready")); |
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} |
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} |