Merge branch 'develop' of github.com:matrix-org/synapse into release-v0.0.1

6 files changed, 294 insertions, 38 deletions

diff --git a/webclient/app.css b/webclient/app.css
index 1717b1b355..83b0c9c65a 100644
--- a/webclient/app.css
+++ b/webclient/app.css
@@ -66,6 +66,10 @@ h1 {
     background-color: #faa;
 }
 
+.mouse-pointer {
+    cursor: pointer;
+}
+
 /*** Participant list ***/
 
 #usersTableWrapper {
@@ -89,7 +93,6 @@ h1 {
     height: 100px;
     position: relative;
     background-color: #000;
-    cursor: pointer;
 }
 
 .userAvatar .userAvatarImage {
@@ -246,6 +249,26 @@ h1 {
     text-align: left ! important;
 }
 
+#room-fullscreen-image {
+    position: absolute;
+    top: 0px;
+    height: 0px;
+    width: 100%;
+    height: 100%;
+}
+
+#room-fullscreen-image img {
+    max-width: 100%;
+    max-height: 100%;
+    bottom: 0;
+    left: 0;
+    margin: auto;
+    overflow: auto;
+    position: fixed;
+    right: 0;
+    top: 0;
+}
+
 /*** Profile ***/
 
 .profile-avatar {
diff --git a/webclient/components/fileUpload/file-upload-service.js b/webclient/components/fileUpload/file-upload-service.js
index 65c24f309c..6606f31e22 100644
--- a/webclient/components/fileUpload/file-upload-service.js
+++ b/webclient/components/fileUpload/file-upload-service.js
@@ -20,17 +20,18 @@
 /*
  * Upload an HTML5 file to a server
  */
-angular.module('mFileUpload', [])
-.service('mFileUpload', ['matrixService', '$q', function (matrixService, $q) {
+angular.module('mFileUpload', ['matrixService', 'mUtilities'])
+.service('mFileUpload', ['$q', 'matrixService', 'mUtilities', function ($q, matrixService, mUtilities) {
         
     /*
-     * Upload an HTML5 file to a server and returned a promise
+     * Upload an HTML5 file or blob to a server and returned a promise
      * that will provide the URL of the uploaded file.
+     * @param {File|Blob} file the file data to send
      */
-    this.uploadFile = function(file, body) {
+    this.uploadFile = function(file) {
         var deferred = $q.defer();
         console.log("Uploading " + file.name + "... to /matrix/content");
-        matrixService.uploadContent(file, body).then(
+        matrixService.uploadContent(file).then(
             function(response) {
                 var content_url = location.origin + "/matrix/content/" + response.data.content_token;
                 console.log("   -> Successfully uploaded! Available at " + content_url);
@@ -44,4 +45,134 @@ angular.module('mFileUpload', [])
         
         return deferred.promise;
     };
+    
+    /*
+     * Upload an image file plus generate a thumbnail of it and upload it so that
+     * we will have all information to fulfill an image message request data.
+     * @param {File} imageFile the imageFile to send
+     * @param {Integer} thumbnailSize the max side size of the thumbnail to create
+     * @returns {promise} A promise that will be resolved by a image message object
+     *   ready to be send with the Matrix API
+     */
+    this.uploadImageAndThumbnail = function(imageFile, thumbnailSize) {
+        var self = this;
+        var deferred = $q.defer();
+
+        console.log("uploadImageAndThumbnail " + imageFile.name + " - thumbnailSize: " + thumbnailSize);
+
+        // The message structure that will be returned in the promise
+        var imageMessage = {
+            msgtype: "m.image",
+            url: undefined,
+            body: {
+                size: undefined,
+                w: undefined,
+                h: undefined,
+                mimetype: undefined
+            },
+            thumbnail_url: undefined,
+            thumbnail_info: {
+                size: undefined,
+                w: undefined,
+                h: undefined,
+                mimetype: undefined
+            }
+        };
+
+        // First, get the image size
+        mUtilities.getImageSize(imageFile).then(
+            function(size) {
+
+                // The final operation: send imageFile
+                var uploadImage = function() {
+                    self.uploadFile(imageFile).then(
+                        function(url) {
+                            // Update message metadata
+                            imageMessage.url = url;
+                            imageMessage.body = {
+                                size: imageFile.size,
+                                w: size.width,
+                                h: size.height,
+                                mimetype: imageFile.type
+                            };
+
+                            // If there is no thumbnail (because the original image is smaller than thumbnailSize),
+                            // reuse the original image info for thumbnail data
+                            if (!imageMessage.thumbnail_url) {
+                                imageMessage.thumbnail_url = imageMessage.url;
+                                imageMessage.thumbnail_info = imageMessage.body;
+                            }
+
+                            // We are done
+                            deferred.resolve(imageMessage);
+                        },
+                        function(error) {
+                            console.log("      -> Can't upload image");
+                            deferred.reject(error); 
+                        }
+                    );
+                };
+
+                // Create a thumbnail if the image size exceeds thumbnailSize
+                if (Math.max(size.width, size.height) > thumbnailSize) {
+                    console.log("    Creating thumbnail...");
+                    mUtilities.resizeImage(imageFile, thumbnailSize).then(
+                        function(thumbnailBlob) {
+
+                            // Get its size
+                            mUtilities.getImageSize(thumbnailBlob).then(
+                                function(thumbnailSize) {
+                                    console.log("      -> Thumbnail size: " + JSON.stringify(thumbnailSize));
+
+                                    // Upload it to the server
+                                    self.uploadFile(thumbnailBlob).then(
+                                        function(thumbnailUrl) {
+
+                                            // Update image message data
+                                            imageMessage.thumbnail_url = thumbnailUrl;
+                                            imageMessage.thumbnail_info = {
+                                                size: thumbnailBlob.size,
+                                                w: thumbnailSize.width,
+                                                h: thumbnailSize.height,
+                                                mimetype: thumbnailBlob.type
+                                            };
+
+                                            // Then, upload the original image
+                                            uploadImage();
+                                        },
+                                        function(error) {
+                                            console.log("      -> Can't upload thumbnail");
+                                            deferred.reject(error); 
+                                        }
+                                    );
+                                },
+                                function(error) {
+                                    console.log("      -> Failed to get thumbnail size");
+                                    deferred.reject(error); 
+                                }
+                            );
+
+                        },
+                        function(error) {
+                            console.log("      -> Failed to create thumbnail: " + error);
+                            deferred.reject(error); 
+                        }
+                    );
+                }
+                else {
+                    // No need of thumbnail
+                    console.log("   Thumbnail is not required");
+                    uploadImage();
+                }
+
+            },
+            function(error) {
+                console.log("   -> Failed to get image size");
+                deferred.reject(error); 
+            }
+        );
+
+        return deferred.promise;
+    };
+
 }]);
diff --git a/webclient/components/matrix/matrix-service.js b/webclient/components/matrix/matrix-service.js
index cd37a0c234..fa5a6091d3 100644
--- a/webclient/components/matrix/matrix-service.js
+++ b/webclient/components/matrix/matrix-service.js
@@ -61,14 +61,22 @@ angular.module('matrixService', [])
         return doBaseRequest(config.homeserver, method, path, params, data, undefined);
     };
 
-    var doBaseRequest = function(baseUrl, method, path, params, data, headers) {
-        return $http({
+    var doBaseRequest = function(baseUrl, method, path, params, data, headers, $httpParams) {
+
+        var request = {
             method: method,
             url: baseUrl + path,
             params: params,
             data: data,
             headers: headers
-        });
+        };
+
+        // Add additional $http parameters
+        if ($httpParams) {
+            angular.extend(request, $httpParams);
+        }
+
+        return $http(request);
     };
 
 
@@ -326,7 +334,17 @@ angular.module('matrixService', [])
             var params = {
                 access_token: config.access_token
             };
-            return doBaseRequest(config.homeserver, "POST", path, params, file, headers);
+
+            // If the file is actually a Blob object, prevent $http from JSON-stringified it before sending
+            // (Equivalent to jQuery ajax processData = false)
+            var $httpParams;
+            if (file instanceof Blob) {
+                $httpParams = {
+                    transformRequest: angular.identity
+                };
+            }
+
+            return doBaseRequest(config.homeserver, "POST", path, params, file, headers, $httpParams);
         },
         
         // start listening on /events
diff --git a/webclient/components/utilities/utilities-service.js b/webclient/components/utilities/utilities-service.js
index fc0ee580dc..9cf858ef39 100644
--- a/webclient/components/utilities/utilities-service.js
+++ b/webclient/components/utilities/utilities-service.js
@@ -22,8 +22,8 @@
 angular.module('mUtilities', [])
 .service('mUtilities', ['$q', function ($q) {
     /*
-     * Gets the size of an image
-     * @param {File} imageFile the file containing the image
+     * 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
      */
@@ -50,4 +50,89 @@ angular.module('mUtilities', [])
         
         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;
+
+            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);
+
+            var dataUrl = canvas.toDataURL("image/jpeg", 0.7); 
+            deferred.resolve(self.dataURItoBlob(dataUrl));
+        };
+        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});
+    };
+
 }]);
\ No newline at end of file
diff --git a/webclient/room/room-controller.js b/webclient/room/room-controller.js
index 6d714151f1..8dea64a804 100644
--- a/webclient/room/room-controller.js
+++ b/webclient/room/room-controller.js
@@ -19,6 +19,7 @@ angular.module('RoomController', ['ngSanitize', 'mUtilities'])
                                function($scope, $http, $timeout, $routeParams, $location, matrixService, eventStreamService, eventHandlerService, mFileUpload, mUtilities) {
    'use strict';
     var MESSAGES_PER_PAGINATION = 30;
+    var THUMBNAIL_SIZE = 320;
 
     // Room ids. Computed and resolved in onInit
     $scope.room_id = undefined;
@@ -387,33 +388,22 @@ angular.module('RoomController', ['ngSanitize', 'mUtilities'])
 
             $scope.state.sending = true;
 
-            // First, get the image sise
-            mUtilities.getImageSize($scope.imageFileToSend).then(
-                function(size) {
-
-                    // Upload the image to the Internet
-                    console.log("Uploading image...");
-                    mFileUpload.uploadFile($scope.imageFileToSend).then(
-                        function(url) {
-                            // Build the image info data
-                            var imageInfo = {
-                                size: $scope.imageFileToSend.size,
-                                mimetype: $scope.imageFileToSend.type,
-                                w: size.width,
-                                h: size.height
-                            };
-
-                            // Then share the URL and the metadata
-                            $scope.sendImage(url, imageInfo);
+            // Upload this image with its thumbnail to Internet
+            mFileUpload.uploadImageAndThumbnail($scope.imageFileToSend, THUMBNAIL_SIZE).then(
+                function(imageMessage) {
+                    // imageMessage is complete message structure, send it as is
+                    matrixService.sendMessage($scope.room_id, undefined, imageMessage).then(
+                        function() {
+                            console.log("Image message sent");
+                            $scope.state.sending = false;
                         },
                         function(error) {
-                            $scope.feedback = "Can't upload image";
+                            $scope.feedback = "Failed to send image message: " + error.data.error;
                             $scope.state.sending = false;
-                        }
-                    );
+                        });
                 },
                 function(error) {
-                    $scope.feedback = "Can't get selected image size";
+                    $scope.feedback = "Can't upload image";
                     $scope.state.sending = false;
                 }
             );
diff --git a/webclient/room/room.html b/webclient/room/room.html
index db6add4ee7..cb9cf1d1f3 100644
--- a/webclient/room/room.html
+++ b/webclient/room/room.html
@@ -10,7 +10,7 @@
     <div id="usersTableWrapper">
         <table id="usersTable">
             <tr ng-repeat="member in members | orderMembersList">
-                <td class="userAvatar" ng-click="goToUserPage(member.id)">
+                <td class="userAvatar mouse-pointer" ng-click="goToUserPage(member.id)">
                     <img class="userAvatarImage" 
                          ng-src="{{member.avatar_url || 'img/default-profile.jpg'}}" 
                          alt="{{ member.displayname || member.id.substr(0, member.id.indexOf(':')) }}"
@@ -41,9 +41,14 @@
                     <div class="bubble">
                         <span ng-hide='msg.content.msgtype !== "m.emote"' ng-bind-html="'* ' + (members[msg.user_id].displayname || msg.user_id) + ' ' + msg.content.body | linky:'_blank'"/>
                         <span ng-hide='msg.content.msgtype !== "m.text"' ng-bind-html="((msg.content.msgtype === 'm.text') ? msg.content.body : '') | linky:'_blank'"/>
-                        <div ng-hide='msg.content.msgtype !== "m.image"'
-                             ng-style="msg.content.body.h && { 'height' : (msg.content.body.h < 320) ? msg.content.body.h : 320}">
-                            <img class="image" ng-src="{{ msg.content.url }}"/>
+                        <div ng-show='msg.content.msgtype === "m.image"'>
+                            <div ng-hide='msg.content.thumbnail_url' ng-style="msg.content.body.h && { 'height' : (msg.content.body.h < 320) ? msg.content.body.h : 320}">
+                                <img class="image" ng-src="{{ msg.content.url }}"/>
+                            </div>
+                            <div ng-show='msg.content.thumbnail_url' ng-style="{ 'height' : msg.content.thumbnail_info.h }">
+                                <img class="image mouse-pointer" ng-src="{{ msg.content.thumbnail_url }}"
+                                     ng-click="$parent.fullScreenImageURL = msg.content.url"/>
+                            </div>
                         </div>
                     </div>
                 </td>
@@ -92,4 +97,8 @@
         </div>
     </div>
 
+    <div id="room-fullscreen-image" ng-show="fullScreenImageURL" ng-click="fullScreenImageURL = undefined;">
+        <img ng-src="{{ fullScreenImageURL }}"/>
+    </div>
+
  </div>