b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
5 lines
No EOL
2 KiB
JavaScript
5 lines
No EOL
2 KiB
JavaScript
;'use strict';var Wallpaper={thumbnailScale:3/8,wallpapersUrl:'/resources/list.json',init:function wallpaper_init(){var self=this;if(navigator.mozSetMessageHandler){navigator.mozSetMessageHandler('activity',function handler(request){var activityName=request.source.name;if(activityName!=='pick'){return;}
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self.startPick(request);});}
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this.header=document.getElementById('header');this.wallpapers=document.getElementById('wallpapers');this.generateWallpaperList();},generateWallpaperList:function wallpaper_generateWallpaperList(cb){var self=this;var sampleSize=Downsample.sizeNoMoreThan(this.thumbnailScale);LazyLoader.getJSON(this.wallpapersUrl).then(function(json){self.wallpapers.innerHTML='';json.forEach(function(wallpaper){var fileName='resources/'+wallpaper;var imgNode=document.createElement('img');imgNode.alt='';imgNode.classList.add('wallpaper');imgNode.dataset.filename=fileName;imgNode.src=fileName+sampleSize;self.wallpapers.appendChild(imgNode);});if(cb){cb();}});},startPick:function wallpaper_startPick(request){this.pickActivity=request;this.wallpapers.addEventListener('click',this.pickWallpaper.bind(this));this.header.addEventListener('action',this.cancelPick.bind(this));},pickWallpaper:function wallpaper_pickWallpaper(e){var src=e.target.dataset.filename;if(src===''){return;}
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if(!this.pickActivity){return;}
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var img=new Image();img.src=src;var self=this;img.onload=function(){var canvas=document.createElement('canvas');var context=canvas.getContext('2d');canvas.width=img.width;canvas.height=img.height;context.drawImage(img,0,0);canvas.toBlob(function(blob){self.pickActivity.postResult({type:'image/jpeg',blob:blob,name:src},'image/jpeg');self.endPick();},'image/jpeg');};},cancelPick:function wallpaper_cancelPick(){this.pickActivity.postError('cancelled');this.endPick();},endPick:function wallpaper_endPick(){this.pickActivity=null;this.header.removeEventListener('action',this.cancelPick);this.wallpapers.removeEventListener('click',this.pickWallpaper);}};window.addEventListener('load',function pick(){window.removeEventListener('load',pick);Wallpaper.init();}); |