Implement back/forward toolbar menus on Mac....

chrome/browser/cocoa/toolbar_controller.mm

 // 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.
 
 #import "chrome/browser/cocoa/toolbar_controller.h"
 
 #include "base/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_dll_resource.h"
 #import "chrome/browser/cocoa/autocomplete_text_field.h"
 #import "chrome/browser/cocoa/autocomplete_text_field_editor.h"
+#import "chrome/browser/cocoa/back_forward_menu_controller.h"
 #import "chrome/browser/cocoa/gradient_button_cell.h"
 #import "chrome/browser/cocoa/location_bar_view_mac.h"
 #include "chrome/browser/cocoa/nsimage_cache.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/toolbar_model.h"
 #include "chrome/common/notification_details.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/pref_service.h"
@@ skipping 31 matching lines @@
   ToolbarController* controller_;  // weak, owns us
 };
 
 }  // namespace
 
 @implementation ToolbarController
 
 - (id)initWithModel:(ToolbarModel*)model
            commands:(CommandUpdater*)commands
             profile:(Profile*)profile
+            browser:(Browser*)browser
      resizeDelegate:(id<ViewResizer>)resizeDelegate
    bookmarkDelegate:(id<BookmarkURLOpener>)delegate {
   DCHECK(model && commands && profile);
   if ((self = [super initWithNibName:@"Toolbar"
                               bundle:mac_util::MainAppBundle()])) {
     toolbarModel_ = model;
     commands_ = commands;
     profile_ = profile;
+    browser_ = browser;
     resizeDelegate_ = resizeDelegate;
     bookmarkBarDelegate_ = delegate;
     hasToolbar_ = YES;
 
     // Register for notifications about state changes for the toolbar buttons
     commandObserver_.reset(new CommandObserverBridge(self, commands));
     commandObserver_->ObserveCommand(IDC_BACK);
     commandObserver_->ObserveCommand(IDC_FORWARD);
     commandObserver_->ObserveCommand(IDC_RELOAD);
     commandObserver_->ObserveCommand(IDC_HOME);
@@ skipping 34 matching lines @@
                                    initWithProfile:profile_
                                       initialWidth:NSWidth([[self view] frame])
                                     resizeDelegate:self
                                        urlDelegate:bookmarkBarDelegate_]);
 
   // Add bookmark bar to the view hierarchy.  This also triggers the
   // nib load.  The bookmark bar is defined (in the nib) to be
   // bottom-aligned to it's parent view (among other things), so
   // position and resize properties don't need to be set.
   [[self view] addSubview:[bookmarkBarController_ view]];
+
+  // Create the controllers for the back/forward menus.
+  backMenuController_.reset([[BackForwardMenuController alloc]
+          initWithBrowser:browser_
+                modelType:BACK_FORWARD_MENU_TYPE_BACK
+                   button:backButton_]);
+  forwardMenuController_.reset([[BackForwardMenuController alloc]
+          initWithBrowser:browser_
+                modelType:BACK_FORWARD_MENU_TYPE_FORWARD
+                   button:forwardButton_]);
 }
 
 - (void)resizeView:(NSView*)view newHeight:(float)height {
   DCHECK(view == [bookmarkBarController_ view]);
 
   // The bookmark bar is always rooted at the bottom of the toolbar view, with
   // width equal to the toolbar's width.  The toolbar view is resized to
   // accomodate the new bookmark bar height.
   NSRect frame = NSMakeRect(0, 0, [[self view] bounds].size.width, height);
   [view setFrame:frame];
@@ skipping 204 matching lines @@
                    forView:pageButton_];
 }
 
 - (IBAction)showWrenchMenu:(id)sender {
   [NSMenu popUpContextMenu:wrenchMenu_
                  withEvent:[NSApp currentEvent]
                    forView:wrenchButton_];
 }
 
 @end