Move webclient to a python module so that it can be installed

webclient/components/utilities/utilities-service.js

@@ -1,151 +0,0 @@
-/*
- Copyright 2014 OpenMarket Ltd
- 
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
- 
- http://www.apache.org/licenses/LICENSE-2.0
- 
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
-
-'use strict';
-
-/*
- * This service contains multipurpose helper functions.
- */
-angular.module('mUtilities', [])
-.service('mUtilities', ['$q', function ($q) {
-    /*
-     * Get the size of an image
-     * @param {File|Blob} imageFile the file containing the image
-     * @returns {promise} A promise that will be resolved by an object with 2 members:
-     *   width & height
-     */
-    this.getImageSize = function(imageFile) {
-        var deferred = $q.defer();
-        
-        // Load the file into an html element
-        var img = document.createElement("img");
-        
-        var reader = new FileReader();  
-        reader.onload = function(e) {   
-            img.src = e.target.result;
-            
-            // Once ready, returns its size
-            img.onload = function() {
-                deferred.resolve({
-                    width: img.width,
-                    height: img.height
-                });
-            };
-            img.onerror = function(e) {
-                deferred.reject(e);
-            };
-        };
-        reader.onerror = function(e) {
-            deferred.reject(e);
-        };
-        reader.readAsDataURL(imageFile);
-        
-        return deferred.promise;
-    };
-
-    /*
-     * Resize the image to fit in a square of the side maxSize. 
-     * The aspect ratio is kept. The returned image data uses JPEG compression.
-     * Source: http://hacks.mozilla.org/2011/01/how-to-develop-a-html5-image-uploader/
-     * @param {File} imageFile the file containing the image 
-     * @param {Integer} maxSize the max side size 
-     * @returns {promise} A promise that will be resolved by a Blob object containing
-     *   the resized image data
-     */
-    this.resizeImage = function(imageFile, maxSize) {
-        var self = this;
-        var deferred = $q.defer();
-
-        var canvas = document.createElement("canvas");
-
-        var img = document.createElement("img");
-        var reader = new FileReader();  
-        reader.onload = function(e) {
-
-            img.src = e.target.result;
-            
-            // Once ready, returns its size
-            img.onload = function() {
-                var ctx = canvas.getContext("2d");
-                ctx.drawImage(img, 0, 0);
-
-                var MAX_WIDTH = maxSize;
-                var MAX_HEIGHT = maxSize;
-                var width = img.width;
-                var height = img.height;
-
-                if (width > height) {
-                    if (width > MAX_WIDTH) {
-                        height *= MAX_WIDTH / width;
-                        width = MAX_WIDTH;
-                    }
-                } else {
-                    if (height > MAX_HEIGHT) {
-                        width *= MAX_HEIGHT / height;
-                        height = MAX_HEIGHT;
-                    }
-                }
-                canvas.width = width;
-                canvas.height = height;
-                var ctx = canvas.getContext("2d");
-                ctx.drawImage(img, 0, 0, width, height);
-
-                // Extract image data in the same format as the original one.
-                // The 0.7 compression value will work with formats that supports it like JPEG.
-                var dataUrl = canvas.toDataURL(imageFile.type, 0.7); 
-                deferred.resolve(self.dataURItoBlob(dataUrl));
-            };
-            img.onerror = function(e) {
-                deferred.reject(e);
-            };
-        };
-        reader.onerror = function(e) {
-            deferred.reject(e);
-        };
-        reader.readAsDataURL(imageFile);
-
-        return deferred.promise;
-    };
-
-    /*
-     * Convert a dataURI string to a blob 
-     * Source: http://stackoverflow.com/a/17682951
-     * @param {String} dataURI the dataURI can be a base64 encoded string or an URL encoded string.
-     * @returns {Blob} the blob
-     */
-    this.dataURItoBlob = function(dataURI) {
-        // convert base64 to raw binary data held in a string
-        // doesn't handle URLEncoded DataURIs
-        var byteString;
-        if (dataURI.split(',')[0].indexOf('base64') >= 0)
-            byteString = atob(dataURI.split(',')[1]);
-        else
-            byteString = unescape(dataURI.split(',')[1]);
-        // separate out the mime component
-        var mimeString = dataURI.split(',')[0].split(':')[1].split(';')[0];
-
-        // write the bytes of the string to an ArrayBuffer
-        var ab = new ArrayBuffer(byteString.length);
-        var ia = new Uint8Array(ab);
-        for (var i = 0; i < byteString.length; i++) {
-            ia[i] = byteString.charCodeAt(i);
-        }
-
-        // write the ArrayBuffer to a blob, and you're done
-        return new Blob([ab],{type: mimeString});
-    };
-
-}]);