Mac: make save/open dialogs operate as tab-modal sheets....

chrome/browser/cocoa/bookmark_bar_controller.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_
 #define CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_
 
 #import <Cocoa/Cocoa.h>
 #include <map>
 
 #include "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
 #include "chrome/browser/cocoa/bookmark_bar_bridge.h"
 #include "chrome/browser/cocoa/tab_strip_model_observer_bridge.h"
+#import "chrome/browser/cocoa/command_observer_bridge.h"
 #include "webkit/glue/window_open_disposition.h"
 
 @class BackgroundGradientView;
 @class BookmarkBarStateController;
 class BookmarkModel;
 class BookmarkNode;
 @class BookmarkBarView;
 class Browser;
 @protocol ToolbarCompressable;
+class CommandUpdater;
 class GURL;
 @class MenuButton;
 class Profile;
 class PrefService;
 @class ToolbarController;
 @protocol ViewResizer;
 
 // The interface for an object which can open URLs for a bookmark.
 @protocol BookmarkURLOpener
 - (void)openBookmarkURL:(const GURL&)url
             disposition:(WindowOpenDisposition)disposition;
 @end
 
 // An interface to allow mocking of a BookmarkBarController by the
 // BookmarkBarToolbarView.
 @protocol BookmarkBarFloating
 // Returns true if the bookmark bar should be drawn as if it's a disconnected
 // bookmark bar on the New Tag Page.
 - (BOOL)drawAsFloatingBar;
 @end
 
 // A controller for the bookmark bar in the browser window. Handles showing
 // and hiding based on the preference in the given profile.
-@interface BookmarkBarController : NSViewController<BookmarkBarFloating> {
+@interface BookmarkBarController : NSViewController<BookmarkBarFloating,
+                                                    CommandObserverProtocol> {
  @private
   Browser* browser_;              // weak; owned by its window
   BookmarkModel* bookmarkModel_;  // weak; part of the profile owned by the
                                   // top-level Browser object.
 
   // Our initial view width, which is applied in awakeFromNib.
   float initialWidth_;
 
   // BookmarkNodes have a 64bit id.  NSMenuItems have a 32bit tag used
   // to represent the bookmark node they refer to.  This map provides
   // a mapping from one to the other, so we can properly identify the
   // node from the item.  When adding items in, we start with seedId_.
   int32 seedId_;
   std::map<int32,int64> menuTagMap_;
 
   // Our bookmark buttons, ordered from L-->R.
   scoped_nsobject<NSMutableArray> buttons_;
 
   // The folder image so we can use one copy for all buttons
   scoped_nsobject<NSImage> folderImage_;
 
   // If the bar is disabled, we hide it and ignore show/hide commands.
   // Set when using fullscreen mode.
   BOOL barIsEnabled_;
 
+  // Normally NO; YES when it should be greyed out (for tab-modal sheets).
+  BOOL barIsGreyedOut_;
+
   // Bridge from Chrome-style C++ notifications (e.g. derived from
   // BookmarkModelObserver)
   scoped_ptr<BookmarkBarBridge> bridge_;
 
   // Delegate that is alerted about whether it should be compressed because
   // it's right next to us.
   id<ToolbarCompressable> compressDelegate_;  // weak
 
+  // Allows us to observe for when to grey out the bookmark bar.
+  scoped_ptr<CommandObserverBridge> commandObserver_;
+
   // Delegate that can resize us.
   id<ViewResizer> resizeDelegate_;  // weak
 
   // Delegate that can open URLs for us.
   id<BookmarkURLOpener> urlDelegate_;  // weak
 
   // Lets us get TabSelectedAt notifications.
   scoped_ptr<TabStripModelObserverBridge> tabObserver_;
 
   IBOutlet BookmarkBarView* buttonView_;
   IBOutlet MenuButton* offTheSideButton_;
   IBOutlet NSMenu* buttonContextMenu_;
 }
 
 // Initializes the bookmark bar controller with the given browser
 // profile and delegates.
 - (id)initWithBrowser:(Browser*)browser
          initialWidth:(float)initialWidth
      compressDelegate:(id<ToolbarCompressable>)compressDelegate
        resizeDelegate:(id<ViewResizer>)resizeDelegate
-          urlDelegate:(id<BookmarkURLOpener>)urlDelegate;
+          urlDelegate:(id<BookmarkURLOpener>)urlDelegate
+             commands:(CommandUpdater*)commands;
 
 // Returns the backdrop to the bookmark bar.
 - (BackgroundGradientView*)backgroundGradientView;
 
 // Tell the bar to show itself if needed (e.g. if the kShowBookmarkBar
 // is set).  Called once after the controller is first created.
 - (void)showIfNeeded;
 
 // Update the visible state of the bookmark bar based on the current value of
 // -[BookmarkBarController isAlwaysVisible].
@@ skipping 70 matching lines @@
 - (void)frameDidChange;
 - (BOOL)offTheSideButtonIsHidden;
 - (NSMenu *)menuForFolderNode:(const BookmarkNode*)node;
 - (int64)nodeIdFromMenuTag:(int32)tag;
 - (int32)menuTagFromNodeId:(int64)menuid;
 - (void)buildOffTheSideMenu;
 - (NSMenu*)offTheSideMenu;
 @end
 
 #endif  // CHROME_BROWSER_COCOA_BOOKMARK_BAR_CONTROLLER_H_