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// 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/back_forward_menu_controller.h"
#include "base/logging.h"
#include "base/scoped_ptr.h"
#include "base/sys_string_conversions.h"
#include "chrome/browser/back_forward_menu_model.h"
#import "chrome/browser/cocoa/delayedmenu_button.h"
#import "chrome/browser/cocoa/event_utils.h"
#include "skia/ext/skia_utils_mac.h"
#include "third_party/skia/include/core/SkBitmap.h"
using base::SysUTF16ToNSString;
using gfx::SkBitmapToNSImage;
@implementation BackForwardMenuController
// Accessors and mutators:
@synthesize type = type_;
// Own methods:
- (id)initWithBrowser:(Browser*)browser
modelType:(BackForwardMenuType)type
button:(DelayedMenuButton*)button {
if ((self = [super init])) {
type_ = type;
button_ = button;
model_.reset(new BackForwardMenuModel(browser, type_));
DCHECK(model_.get());
backForwardMenu_.reset([[NSMenu alloc] initWithTitle:@""]);
DCHECK(backForwardMenu_.get());
[backForwardMenu_ setDelegate:self];
[button_ setAttachedMenu:backForwardMenu_];
[button_ setAttachedMenuEnabled:YES];
}
return self;
}
// Methods as delegate:
// Called by backForwardMenu_ just before tracking begins.
//TODO(viettrungluu): should we do anything for chapter stops (see model)?
- (void)menuNeedsUpdate:(NSMenu*)menu {
DCHECK(menu == backForwardMenu_);
// Remove old menu items (backwards order is as good as any).
for (NSInteger i = [menu numberOfItems]; i > 0; i--)
[menu removeItemAtIndex:(i - 1)];
// 0-th item must be blank. (This is because we use a pulldown list, for which
// Cocoa uses the 0-th item as "title" in the button.)
[menu insertItemWithTitle:@""
action:nil
keyEquivalent:@""
atIndex:0];
for (int menuID = 0; menuID < model_->GetItemCount(); menuID++) {
if (model_->IsSeparator(menuID)) {
[menu insertItem:[NSMenuItem separatorItem]
atIndex:(menuID + 1)];
} else {
// Create a menu item with the right label.
NSMenuItem* menuItem = [[NSMenuItem alloc]
initWithTitle:SysUTF16ToNSString(model_->GetLabelAt(menuID))
action:nil
keyEquivalent:@""];
[menuItem autorelease];
SkBitmap icon;
// Icon (if it has one).
if (model_->GetIconAt(menuID, &icon))
[menuItem setImage:SkBitmapToNSImage(icon)];
// This will make it call our |-executeMenuItem:| method. We store the
// |menuID| (or |menu_id|) in the tag.
[menuItem setTag:menuID];
[menuItem setTarget:self];
[menuItem setAction:@selector(executeMenuItem:)];
// Put it in the menu!
[menu insertItem:menuItem
atIndex:(menuID + 1)];
}
}
}
// Action methods:
- (void)executeMenuItem:(id)sender {
DCHECK([sender isKindOfClass:[NSMenuItem class]]);
int menuID = [sender tag];
model_->ActivatedAtWithDisposition(
menuID,
event_utils::WindowOpenDispositionFromNSEvent([NSApp currentEvent]));
}
@end // @implementation BackForwardMenuController
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