[filebrowser] Enable sharing in gallery. For now, show all image-related extensions as 'Sharing'.

chrome/browser/resources/file_manager/js/file_manager.js

 // Copyright (c) 2011 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.
 
 // Setting the src of an img to an empty string can crash the browser, so we
 // use an empty 1x1 gif instead.
 const EMPTY_IMAGE_URI = 'data:image/gif;base64,'
         + 'R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D';
 
 var g_slideshow_data = null;
@@ skipping 112 matching lines @@
 
   // The list of callbacks to be invoked during the directory rescan after
   // all paste tasks are complete.
   this.pasteSuccessCallbacks_ = [];
 
   // The list of active mount points to distinct them from other directories.
   chrome.fileBrowserPrivate.getMountPoints(function(mountPoints) {
       self.mountPoints_ = mountPoints;
   });
 
-  chrome.fileBrowserHandler.onExecute.addListener(
-    this.onFileTaskExecute_.bind(this));
-
   this.initCommands_();
   this.initDom_();
   this.initDialogType_();
   this.setupCurrentDirectory_();
 
   this.summarizeSelection_();
   this.updatePreview_();
 
   this.dataModel_.sort('cachedMtime_', 'desc');
 
@@ skipping 1518 matching lines @@
         } else if (task_parts[1] == 'mount-archive') {
           task.iconUrl =
               chrome.extension.getURL('images/icon_mount_archive_16x16.png');
           task.title = str('MOUNT_ARCHIVE');
           if (str('ENABLE_ARCHIVES') != 'true')
             continue;
         } else if (task_parts[1] == 'gallery') {
           task.iconUrl =
               chrome.extension.getURL('images/icon_preview_16x16.png');
           task.title = str('GALLERY');
+          task.allTasks = tasksList;
           if (!GALLERY_ENABLED) continue;  // Skip the button creation.
         }
       }
       this.renderTaskButton_(task);
     }
 
     // These are done in separate functions, as the checks require
     // asynchronous function calls.
     this.maybeRenderUnmountTask_(selection);
     this.maybeRenderFormattingTask_(selection);
@@ skipping 97 matching lines @@
   };
 
   FileManager.prototype.onDownloadsWarningClick_ = function(event) {
     chrome.tabs.create({url: DOWNLOADS_FAQ_URL});
     if (this.dialogType_ != FileManager.DialogType.FULL_PAGE) {
       this.onCancel_();
     }
   };
 
   FileManager.prototype.onTaskButtonClicked_ = function(event) {
-    var task = event.srcElement.task;
+    this.dispatchFileTask_(event.srcElement.task, this.selection.urls);
+  };
+
+  FileManager.prototype.dispatchFileTask_ = function(task, urls) {
     if (task.internal) {
       // For internal tasks call the handler directly to avoid being handled
       // multiple times.
       var taskId = task.taskId.split('|')[1];
-      this.onFileTaskExecute_(taskId, {entries: this.selection.entries});
+      this.onFileTaskExecute_(taskId, {urls: urls, task: task});
       return;
     }
-    chrome.fileBrowserPrivate.executeTask(task.taskId,
-                                          this.selection.urls);
+    chrome.fileBrowserPrivate.executeTask(task.taskId, urls);
   };
 
   /**
    * Event handler called when some volume was mounted or unmouted.
    */
   FileManager.prototype.onMountCompleted_ = function(event) {
     var self = this;
     chrome.fileBrowserPrivate.getMountPoints(function(mountPoints) {
       self.mountPoints_ = mountPoints;
       if (event.eventType == 'mount') {
@@ skipping 34 matching lines @@
       // when mounts location will be decided.
       if (rescanDirectoryNeeded)
         self.rescanDirectory_(null, 300);
     });
   };
 
   /**
    * Event handler called when some internal task should be executed.
    */
   FileManager.prototype.onFileTaskExecute_ = function(id, details) {
-    var urls = details.entries.map(function(entry) {
-        return entry.toURL();
-    });
+    var urls = details.urls;
     if (id == 'preview') {
       g_slideshow_data = urls;
       chrome.tabs.create({url: "slideshow.html"});
     } else if (id == 'play' || id == 'enqueue') {
       chrome.fileBrowserPrivate.viewFiles(urls, id);
     } else if (id == 'mount-archive') {
       for (var index = 0; index < urls.length; ++index) {
         this.mountRequests_.push(urls[index]);
         chrome.fileBrowserPrivate.addMount(urls[index], 'file', {});
       }
     } else if (id == 'unmount-archive') {
       for (var index = 0; index < urls.length; ++index) {
         chrome.fileBrowserPrivate.removeMount(urls[index]);
       }
     } else if (id == 'format-device') {
       this.confirm.show(str('FORMATTING_WARNING'), function() {
         chrome.fileBrowserPrivate.formatDevice(urls[0]);
       });
     } else if (id == 'gallery') {
-      this.openGallery_(urls);
+      // Pass to gallery all possible tasks except the gallery itself.
+      var noGallery = [];
+      for (var index = 0; index < details.task.allTasks.length; index++) {
+        var task = details.task.allTasks[index];
+        if (task.taskId != this.getExtensionId_() + '|gallery') {
+          // Add callback, so gallery can execute the task.
+          task.execute = this.dispatchFileTask_.bind(this, task);
+          noGallery.push(task);
+        }
+      }
+      this.openGallery_(urls, noGallery);
     }
   };
 
   FileManager.prototype.getDeviceNumber = function(entry) {
     if (!entry.isDirectory) return undefined;
     for (var i = 0; i < this.mountPoints_.length; i++) {
       if (normalizeAbsolutePath(entry.fullPath) ==
           normalizeAbsolutePath(this.mountPoints_[i].mountPath)) {
         return i;
       }
     }
     return undefined;
   };
 
-  FileManager.prototype.openGallery_ = function(urls) {
+  FileManager.prototype.openGallery_ = function(urls, shareActions) {
     var self = this;
 
     var galleryFrame = this.document_.createElement('iframe');
     galleryFrame.className = 'overlay-pane';
     galleryFrame.scrolling = 'no';
 
     galleryFrame.onload = function() {
       galleryFrame.contentWindow.Gallery.open(
           self.currentDirEntry_,
           urls,
           function () {
             // TODO(kaznacheev): keep selection.
             self.rescanDirectoryNow_();  // Make sure new files show up.
             self.dialogDom_.removeChild(galleryFrame);
           },
-          self.metadataProvider_);
+          self.metadataProvider_,
+          shareActions);
     };
 
     galleryFrame.src = 'js/image_editor/gallery.html';
     this.dialogDom_.appendChild(galleryFrame);
   };
 
   /**
    * Update the breadcrumb display to reflect the current directory.
    */
   FileManager.prototype.updateBreadcrumbs_ = function() {
@@ skipping 1471 matching lines @@
 
     if (msg) {
       console.log('no no no');
       this.alert.show(msg, onAccept);
       return false;
     }
 
     return true;
   };
 })();