git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@47733 954022d7-b5bf-4e40-9824-e11837661b57

Excel/model/DrawingObjects/GlobalLoaders.js

+/** @define {boolean} */
+var ASC_DOCS_API_USE_OPEN_SOURCE_FONTS_ONLY = false;
+
+(function(document){
+
+	var ImageLoadStatus = {
+		Loading : 0,
+		Complete : 1
+	}
+
+	function CImageLoad(src) {
+		this.src = src;
+		this.Image = null;
+		this.Status = ImageLoadStatus.Complete;
+	}
+    	
+    function CGlobalImageLoader() {
+        this.map_image_index = {};
+        this.imagesPath = "";
+
+        // loading
+        this.Api = null;
+        this.ThemeLoader = null;
+        this.images_loading = null;
+
+        this.bIsLoadDocumentFirst = false;
+
+        this.bIsAsyncLoadDocumentImages = false;
+
+        this.put_Api = function(_api) {
+            this.Api = _api;
+
+            /*if (this.Api.IsAsyncOpenDocumentImages !== undefined)
+            {
+                this.bIsAsyncLoadDocumentImages = this.Api.IsAsyncOpenDocumentImages();
+                if (this.bIsAsyncLoadDocumentImages)
+                {
+                    if (undefined === this.Api.asyncImageEndLoadedBackground)
+                        this.bIsAsyncLoadDocumentImages = false;
+                }
+            }*/
+        }
+        
+        this.LoadDocumentImages = function(_images, isUrl) {
+            // сначала заполним массив
+            if (this.ThemeLoader == null)
+                this.Api.asyncImagesDocumentStartLoaded();
+            else
+                this.ThemeLoader.asyncImagesStartLoaded();
+
+            this.images_loading = [];
+
+            for (var id in _images)
+            {
+                /*
+                if (isUrl === false)
+                    this.images_loading[this.images_loading.length] = _images[id];
+                else
+                    this.images_loading[this.images_loading.length] = _getFullImageSrc(_images[id]);
+                */
+                this.images_loading[this.images_loading.length] = _getFullImageSrc(_images[id]);
+            }
+
+            if (!this.bIsAsyncLoadDocumentImages)
+            {
+                this._LoadImages();
+            }
+            else
+            {
+                var _len = this.images_loading.length;
+                for (var i = 0; i < _len; i++)
+                {
+                    this.LoadImageAsync(i);
+                }
+
+                this.images_loading.splice(0, _len);
+
+                if (this.ThemeLoader == null)
+                    this.Api.asyncImagesDocumentEndLoaded();
+                else
+                    this.ThemeLoader.asyncImagesEndLoaded();
+            }
+        }
+
+        var oThis = this;
+        this._LoadImages = function() {
+            if (0 == this.images_loading.length)
+            {
+                if (this.ThemeLoader == null)
+                    this.Api.asyncImagesDocumentEndLoaded();
+                else
+                    this.ThemeLoader.asyncImagesEndLoaded();
+
+                return;
+            }
+
+            var _id = this.images_loading[0];
+            var oImage = new CImageLoad(_id);
+            oImage.Status = ImageLoadStatus.Loading;
+            oImage.Image = new Image();
+            oThis.map_image_index[oImage.src] = oImage;
+            oImage.Image.onload = function(){
+                oImage.Status = ImageLoadStatus.Complete;
+
+                if (oThis.bIsLoadDocumentFirst === true)
+                {
+                    oThis.Api.OpenDocumentProgress.CurrentImage++;
+                    oThis.Api.SendOpenProgress();
+                }
+
+                oThis.images_loading.shift();
+                oThis._LoadImages();
+            }
+            oImage.Image.onerror = function(){
+                oImage.Status = ImageLoadStatus.Complete;
+                oImage.Image = null;
+
+                if (oThis.bIsLoadDocumentFirst === true)
+                {
+                    oThis.Api.OpenDocumentProgress.CurrentImage++;
+                    oThis.Api.SendOpenProgress();
+                }
+
+                oThis.images_loading.shift();
+                oThis._LoadImages();
+            }
+            //oImage.Image.crossOrigin = 'anonymous';
+            oImage.Image.src = oImage.src;
+        }
+
+        this.LoadImage = function(src, Type) {
+            var _image = this.map_image_index[src];
+            if (undefined != _image)
+                return _image;
+
+            this.Api.asyncImageStartLoaded();
+
+            var oImage = new CImageLoad(src);
+            oImage.Type = Type;
+            oImage.Image = new Image();
+            oImage.Status = ImageLoadStatus.Loading;
+            oThis.map_image_index[oImage.src] = oImage;
+
+            oImage.Image.onload = function(){
+                oImage.Status = ImageLoadStatus.Complete;
+                oThis.Api.asyncImageEndLoaded(oImage);
+            }
+            oImage.Image.onerror = function(){
+                oImage.Image = null;
+                oImage.Status = ImageLoadStatus.Complete;
+                oThis.Api.asyncImageEndLoaded(oImage);
+            }
+            //oImage.Image.crossOrigin = 'anonymous';
+            oImage.Image.src = oImage.src;
+            return null;
+        }
+
+        this.LoadImageAsync = function(i) {
+            var _id = oThis.images_loading[i];
+            var oImage = new CImageLoad(_id);
+            oImage.Status = ImageLoadStatus.Loading;
+            oImage.Image = new Image();
+            oThis.map_image_index[oImage.src] = oImage;
+            oImage.Image.onload = function(){
+                oImage.Status = ImageLoadStatus.Complete;
+                oThis.Api.asyncImageEndLoadedBackground(oImage);
+            }
+            oImage.Image.onerror = function(){
+                oImage.Status = ImageLoadStatus.Complete;
+                oImage.Image = null;
+                oThis.Api.asyncImageEndLoadedBackground(oImage);
+            }
+            //oImage.Image.crossOrigin = 'anonymous';
+            oImage.Image.src = oImage.src;
+        }
+    }
+		
+    // exports    
+    window.g_image_loader   = new CGlobalImageLoader();
+
+})(window.document);
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