forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			31 lines
		
	
	
	
		
			929 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
	
		
			929 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| export class ScreenshotChild extends JSWindowActorChild {
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|   receiveMessage(message) {
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|     if (message.name == "GetDimensions") {
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|       return this.getDimensions();
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|     }
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|     return null;
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|   }
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| 
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|   async getDimensions() {
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|     if (this.document.readyState != "complete") {
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|       await new Promise(resolve =>
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|         this.contentWindow.addEventListener("load", resolve, { once: true })
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|       );
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|     }
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| 
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|     let { contentWindow } = this;
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| 
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|     return {
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|       innerWidth: contentWindow.innerWidth,
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|       innerHeight: contentWindow.innerHeight,
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|       scrollMinX: contentWindow.scrollMinX,
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|       scrollMaxX: contentWindow.scrollMaxX,
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|       scrollMinY: contentWindow.scrollMinY,
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|       scrollMaxY: contentWindow.scrollMaxY,
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|     };
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|   }
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| }
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