Disabling copying, dasting, and dragging in open/save dialogs.

chrome/browser/resources/file_manager/js/file_manager.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.
 
 // Setting the src of an img to an empty string can crash the browser, so we
 // use an empty 1x1 gif instead.
 
 /**
  * FileManager constructor.
  *
@@ skipping 472 matching lines @@
     this.showCheckboxes_ =
         (this.dialogType_ == FileManager.DialogType.FULL_PAGE ||
          this.dialogType_ == FileManager.DialogType.SELECT_OPEN_MULTI_FILE);
 
     this.table_.startBatchUpdates();
     this.grid_.startBatchUpdates();
 
     this.initFileList_();
     this.initDialogs_();
 
-    this.copyManager_ = new FileCopyManager(this.filesystem_.root);
-    this.copyManager_.addEventListener('copy-progress',
-                                       this.onCopyProgress_.bind(this));
-    this.copyManager_.addEventListener('copy-operation-complete',
-        this.onCopyManagerOperationComplete_.bind(this));
-
     window.addEventListener('popstate', this.onPopState_.bind(this));
     window.addEventListener('unload', this.onUnload_.bind(this));
 
     var offlineHandler = this.onOnlineOffline_.bind(this);
     window.addEventListener('online', offlineHandler);
     window.addEventListener('offline', offlineHandler);
     offlineHandler();  // Sync with the current state.
 
     this.directoryModel_.addEventListener('directory-changed',
                                           this.onDirectoryChanged_.bind(this));
@@ skipping 15 matching lines @@
     // The list of archives requested to mount. We will show contents once
     // archive is mounted, but only for mounts from within this filebrowser tab.
     this.mountRequests_ = [];
     this.unmountRequests_ = [];
     chrome.fileBrowserPrivate.onMountCompleted.addListener(
         this.onMountCompleted_.bind(this));
 
     chrome.fileBrowserPrivate.onFileChanged.addListener(
         this.onFileChanged_.bind(this));
 
-    // The list of callbacks to be invoked during the directory rescan after
-    // all paste tasks are complete.
-    this.pasteSuccessCallbacks_ = [];
-
     var path = this.getPathFromUrlOrParams_();
     if (path &&
         DirectoryModel.getRootType(path) == DirectoryModel.RootType.GDATA) {
       // We are opening on a GData path. Mount GData and show
       // "Loading Google Docs" message until the directory content loads.
       this.dialogContainer_.setAttribute('unmounted', true);
       this.initGData_(true /* dirChanged */);
       // This is a one-time handler (will be nulled out on the first call).
       this.setupCurrentDirectoryPostponed_ = function(event) {
         this.directoryModel_.removeEventListener('directory-changed',
@@ skipping 22 matching lines @@
     this.metadataProvider_ =
         new MetadataProvider(this.filesystem_.root.toURL());
 
     // PyAuto tests monitor this state by polling this variable
     this.__defineGetter__('workerInitialized_', function() {
        return self.getMetadataProvider().isInitialized();
     });
 
     this.directoryModel_.offline = this.isOffline();
 
+    if (this.dialogType_ == FileManager.DialogType.FULL_PAGE)
+      this.initDataTransferOperations_();
+
+    this.table_.endBatchUpdates();
+    this.grid_.endBatchUpdates();
+
+    metrics.recordInterval('Load.DOM');
+    metrics.recordInterval('Load.Total');
+  };
+
+  FileManager.prototype.initDataTransferOperations_ = function() {
+    this.copyManager_ = new FileCopyManager(this.filesystem_.root);
+    this.copyManager_.addEventListener('copy-progress',
+                                       this.onCopyProgress_.bind(this));
+    this.copyManager_.addEventListener('copy-operation-complete',
+        this.onCopyManagerOperationComplete_.bind(this));
+
     var controller = this.fileTransferController_ = new FileTransferController(
         this.directoryModel_.fileList,
         this.directoryModel_.fileListSelection,
         GridItem.bind(null, this),
         this.copyManager_,
         this.directoryModel_);
     controller.attachDragSource(this.table_.list);
     controller.attachDropTarget(this.table_.list);
     controller.attachDragSource(this.grid_);
     controller.attachDropTarget(this.grid_);
     controller.attachCopyPasteHandlers(this.document_);
     controller.addEventListener('selection-copied',
         this.blinkSelection.bind(this));
     controller.addEventListener('selection-cut',
         this.blinkSelection.bind(this));
-
-    this.table_.endBatchUpdates();
-    this.grid_.endBatchUpdates();
-
-    metrics.recordInterval('Load.DOM');
-    metrics.recordInterval('Load.Total');
   };
 
   /**
    * One-time initialization of commands.
    */
   FileManager.prototype.initCommands_ = function() {
     var commands = this.dialogDom_.querySelectorAll('command');
     for (var i = 0; i < commands.length; i++) {
       var command = commands[i];
       cr.ui.Command.decorate(command);
@@ skipping 595 matching lines @@
    *                   selection.
    */
   FileManager.prototype.canExecute_ = function(commandId) {
     var readonly = this.isOnReadonlyDirectory();
     switch (commandId) {
       case 'copy':
       case 'cut':
         return this.document_.queryCommandEnabled(commandId);
 
       case 'paste':
-        return this.fileTransferController_.queryPasteCommandEnabled();
+        return !!this.fileTransferController_ &&
+               this.fileTransferController_.queryPasteCommandEnabled();
 
       case 'rename':
         return (// Initialized to the point where we have a current directory
                 !readonly &&
                 // Rename not in progress.
                 !this.isRenamingInProgress() &&
                 // Only one file selected.
                 this.selection &&
                 this.selection.totalCount == 1);
 
@@ skipping 203 matching lines @@
         var options = {progress: progress.percentage, timeout: 0};
         this.updateButter(strf('PASTE_ITEMS_REMAINING', progress.pendingItems),
                           options);
       }
       return;
     }
     if (event.reason == 'SUCCESS') {
       clearTimeout(this.butterTimeout_);
       if (this.currentButter_)
         this.hideButter();
-
-      self = this;
-      var callback;
-      while (callback = self.pasteSuccessCallbacks_.shift()) {
-        try {
-          callback();
-        } catch (ex) {
-          console.error('Caught exception while inovking callback: ' +
-                        callback, ex);
-        }
-      }
     } else if (event.reason == 'ERROR') {
       clearTimeout(this.butterTimeout_);
       switch (event.error.reason) {
         case 'TARGET_EXISTS':
           var name = event.error.data.name;
           if (event.error.data.isDirectory)
             name += '/';
           this.showButterError(strf('PASTE_TARGET_EXISTS_ERROR', name));
           break;
 
@@ skipping 2952 matching lines @@
 
     chrome.fileBrowserPrivate.setGDataPreferences(changeInfo);
 
     if (oldValue) {
       event.target.removeAttribute('checked');
     } else {
       event.target.setAttribute('checked', 'checked');
     }
   };
 })();