[cros] Add attribution (author & website) strings to stock user images.

chrome/browser/resources/options2/chromeos/change_picture_options.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('options', function() {
 
   var OptionsPage = options.OptionsPage;
   var UserImagesGrid = options.UserImagesGrid;
   var ButtonImages = UserImagesGrid.ButtonImages;
 
@@ skipping 222 matching lines @@
      * Selects user image with the given URL.
      * @param {string} url URL of the image to select.
      * @private
      */
     setSelectedImage_: function(url) {
       $('user-image-grid').selectedItemUrl = url;
     },
 
     /**
      * Appends default images to the image grid. Should only be called once.
-     * @param {Array.<string>} images An array of URLs to default images.
+     * @param {Array.<{url: string, author: string, website: string}>} images
+     *   An array of default images data, including URL, author and website.
      * @private
      */
     setDefaultImages_: function(images) {
       var imageGrid = $('user-image-grid');
-      for (var i = 0, url; url = images[i]; i++) {
-        imageGrid.addItem(url);
+      for (var i = 0, data; data = imagesData[i]; i++) {
+        imageGrid.addItem(data.url);
       }
     },
   };
 
   var ChangePictureOptionsWebRTCProto = {
     // Inherit ChangePictureOptions from OptionsPage.
     __proto__: options.OptionsPage.prototype,
 
     /**
      * Initializes ChangePictureOptions page.
@@ skipping 122 matching lines @@
      */
     handleImageSelected_: function() {
       var imageGrid = $('user-image-grid');
       var url = imageGrid.selectedItemUrl;
       // Ignore selection change caused by program itself and selection of one
       // of the action buttons.
       if (!imageGrid.inProgramSelection &&
           url != ButtonImages.TAKE_PHOTO && url != ButtonImages.CHOOSE_FILE) {
         chrome.send('selectImage', [url]);
       }
+      // Update image attribution text.
+      var image = imageGrid.selectedItem;
+      $('user-image-author-name').textContent = image.author;
+      $('user-image-author-website').textContent = image.website;
+      $('user-image-author-website').href = image.website;
+      $('user-image-attribution').style.visibility =
+          (image.author || image.website) ? 'visible' : 'hidden';
     },
 
     /**
      * Handles image activation (by pressing Enter).
      * @private
      */
     handleImageActivated_: function() {
       switch ($('user-image-grid').selectedItemUrl) {
         case ButtonImages.TAKE_PHOTO:
           this.handleTakePhoto_();
@@ skipping 52 matching lines @@
      * Selects user image with the given URL.
      * @param {string} url URL of the image to select.
      * @private
      */
     setSelectedImage_: function(url) {
       $('user-image-grid').selectedItemUrl = url;
     },
 
     /**
      * Appends default images to the image grid. Should only be called once.
-     * @param {Array.<string>} images An array of URLs to default images.
+     * @param {Array.<{url: string, author: string, website: string}>} images
+     *   An array of default images data, including URL, author and website.
      * @private
      */
-    setDefaultImages_: function(images) {
+    setDefaultImages_: function(imagesData) {
       var imageGrid = $('user-image-grid');
-      for (var i = 0, url; url = images[i]; i++) {
-        imageGrid.addItem(url).type = 'default';
+      for (var i = 0, data; data = imagesData[i]; i++) {
+        var item = imageGrid.addItem(data.url);
+        item.type = 'default';
+        item.author = data.author;
+        item.website = data.website;
       }
     },
   };
 
   // Forward public APIs to private implementations.
   [
     'setCameraPresent',
     'setDefaultImages',
     'setOldImage',
     'setProfileImage',
     'setSelectedImage',
   ].forEach(function(name) {
     ChangePictureOptions[name] = function() {
       var instance = ChangePictureOptions.getInstance();
       return instance[name + '_'].apply(instance, arguments);
     };
   });
 
   // Export
   return {
     ChangePictureOptions: ChangePictureOptions
   };
 
 });