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// 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.
#ifndef CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_
#define CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_
#include <vector>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/bookmarks/base_bookmark_model_observer.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/gfx/native_widget_types.h"
class Browser;
class Profile;
namespace content {
class PageNavigator;
}
// An interface implemented by an object that performs actions on the actual
// menu for the controller.
class BookmarkContextMenuControllerDelegate {
public:
virtual ~BookmarkContextMenuControllerDelegate() {}
// Closes the bookmark context menu.
virtual void CloseMenu() = 0;
// Sent before any command from the menu is executed.
virtual void WillExecuteCommand(
int command_id,
const std::vector<const BookmarkNode*>& bookmarks) {}
// Sent after any command from the menu is executed.
virtual void DidExecuteCommand(int command_id) {}
};
// BookmarkContextMenuController creates and manages state for the context menu
// shown for any bookmark item.
class BookmarkContextMenuController : public BaseBookmarkModelObserver,
public ui::SimpleMenuModel::Delegate {
public:
// Creates the bookmark context menu.
// |browser| is used to open the bookmark manager and is NULL in tests.
// |profile| is used for opening urls as well as enabling 'open incognito'.
// |navigator| is used if |browser| is null, and is provided for testing.
// |parent| is the parent for newly created nodes if |selection| is empty.
// |selection| is the nodes the context menu operates on and may be empty.
BookmarkContextMenuController(
gfx::NativeWindow parent_window,
BookmarkContextMenuControllerDelegate* delegate,
Browser* browser,
Profile* profile,
content::PageNavigator* navigator,
const BookmarkNode* parent,
const std::vector<const BookmarkNode*>& selection);
virtual ~BookmarkContextMenuController();
ui::SimpleMenuModel* menu_model() { return menu_model_.get(); }
// ui::SimpleMenuModel::Delegate implementation:
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
virtual bool IsItemForCommandIdDynamic(int command_id) const OVERRIDE;
virtual base::string16 GetLabelForCommandId(int command_id) const OVERRIDE;
void set_navigator(content::PageNavigator* navigator) {
navigator_ = navigator;
}
private:
// A hook so that platform-specific implementations can report which commands
// are enabled. Returns true if |enabled| was set by the platform-specific
// implementation.
bool IsPlatformCommandIdEnabled(int command_id, bool* enabled) const;
// A hook to execute platform-specific commands. Returns true if the command
// has been handled and should no longer be processed.
bool ExecutePlatformCommand(int command_id, int event_flags);
void BuildMenu();
// Adds a IDC_* style command to the menu with a localized string.
void AddItem(int id, int localization_id);
// Adds a separator to the menu.
void AddSeparator();
// Adds a checkable item to the menu.
void AddCheckboxItem(int id, int localization_id);
// Overridden from BaseBookmarkModelObserver:
// Any change to the model results in closing the menu.
virtual void BookmarkModelChanged() OVERRIDE;
gfx::NativeWindow parent_window_;
BookmarkContextMenuControllerDelegate* delegate_;
Browser* browser_;
Profile* profile_;
content::PageNavigator* navigator_;
const BookmarkNode* parent_;
std::vector<const BookmarkNode*> selection_;
BookmarkModel* model_;
scoped_ptr<ui::SimpleMenuModel> menu_model_;
DISALLOW_COPY_AND_ASSIGN(BookmarkContextMenuController);
};
#endif // CHROME_BROWSER_UI_BOOKMARKS_BOOKMARK_CONTEXT_MENU_CONTROLLER_H_
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