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// Copyright (c) 2011 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_CHROMEOS_FRAME_BROWSER_VIEW_H_
#define CHROME_BROWSER_CHROMEOS_FRAME_BROWSER_VIEW_H_
#pragma once
#include <vector>
#include "base/compiler_specific.h"
#include "base/message_loop.h"
#include "chrome/browser/chromeos/status/status_area_button.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/views/frame/browser_view.h"
#include "ui/views/context_menu_controller.h"
#include "ui/views/controls/menu/menu_listener.h"
class StatusAreaButton;
namespace views {
class AccessiblePaneView;
class MenuDelegate;
class MenuRunner;
} // namespace views
namespace chromeos {
class LayoutModeButton;
class StatusAreaViewChromeos;
// chromeos::BrowserView adds ChromeOS specific controls and menus to a
// BrowserView created with Browser::TYPE_TABBED. This extender adds controls
// to the title bar as follows:
// ____ __ __
// / \ \ \ [StatusArea] [LayoutModeButton]
//
// and adds the system context menu to the remaining area of the titlebar.
class BrowserView : public ::BrowserView,
public views::ContextMenuController,
public views::MenuListener,
public BrowserList::Observer,
public StatusAreaButton::Delegate,
public MessageLoopForUI::Observer {
public:
explicit BrowserView(Browser* browser);
virtual ~BrowserView();
// Adds a new tray icon/button to the Chrome OS Tray.
// Takes ownership of the button object.
void AddTrayButton(StatusAreaButton* button, bool bordered);
// Remove an existing tray button from the Chrome OS Tray.
// Pointer will become invalid after this call.
void RemoveTrayButton(StatusAreaButton* button);
// Check if a button is currently contained in the view.
bool ContainsButton(StatusAreaButton* button);
static BrowserView* GetBrowserViewForBrowser(Browser* browser);
// BrowserView implementation.
virtual void Init() OVERRIDE;
virtual void Show() OVERRIDE;
virtual void ShowInactive() OVERRIDE;
virtual void FocusChromeOSStatus() OVERRIDE;
virtual views::LayoutManager* CreateLayoutManager() const OVERRIDE;
virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
virtual bool GetSavedWindowPlacement(
gfx::Rect* bounds,
ui::WindowShowState* show_state) const OVERRIDE;
virtual void Cut() OVERRIDE;
virtual void Copy() OVERRIDE;
virtual void Paste() OVERRIDE;
virtual WindowOpenDisposition GetDispositionForPopupBounds(
const gfx::Rect& bounds) OVERRIDE;
// views::ContextMenuController implementation.
virtual void ShowContextMenuForView(views::View* source,
const gfx::Point& p,
bool is_mouse_gesture) OVERRIDE;
// views::MenuListener implementation.
virtual void OnMenuOpened() OVERRIDE;
// BrowserList::Observer implementation.
virtual void OnBrowserAdded(const Browser* browser) OVERRIDE;
virtual void OnBrowserRemoved(const Browser* browser) OVERRIDE;
// StatusAreaButton::Delegate overrides.
virtual bool ShouldExecuteStatusAreaCommand(
const views::View* button_view, int command_id) const OVERRIDE;
virtual void ExecuteStatusAreaCommand(
const views::View* button_view, int command_id) OVERRIDE;
virtual gfx::Font GetStatusAreaFont(const gfx::Font& font) const OVERRIDE;
virtual StatusAreaButton::TextStyle GetStatusAreaTextStyle() const OVERRIDE;
virtual void ButtonVisibilityChanged(views::View* button_view) OVERRIDE;
// MessageLoopForUI::Observer overrides.
#if defined(USE_AURA)
// MessageLoopForUI::Observer overrides.
virtual base::EventStatus WillProcessEvent(
const base::NativeEvent& event) OVERRIDE;
virtual void DidProcessEvent(const base::NativeEvent& event) OVERRIDE;
#else
virtual void WillProcessEvent(GdkEvent* event) OVERRIDE {}
virtual void DidProcessEvent(GdkEvent* event) OVERRIDE;
#endif
gfx::NativeView saved_focused_widget() const {
return saved_focused_widget_;
}
bool has_hide_status_area_property() const {
return has_hide_status_area_property_;
}
bool should_show_layout_mode_button() const {
return should_show_layout_mode_button_;
}
// static implementation for chromeos::PanelBrowserView.
static WindowOpenDisposition DispositionForPopupBounds(
const gfx::Rect& bounds);
protected:
virtual void GetAccessiblePanes(
std::vector<views::AccessiblePaneView*>* panes) OVERRIDE;
private:
void InitSystemMenu();
void ShowInternal(bool is_active);
// Updates |has_hide_status_area_property_| by querying the X server.
void FetchHideStatusAreaProperty();
// Updates |should_show_layout_mode_button_|. Changes won't be visible
// onscreen until Layout() is called.
void UpdateLayoutModeButtonVisibility();
StatusAreaViewChromeos* status_area_;
LayoutModeButton* layout_mode_button_;
// System menu.
scoped_ptr<views::MenuRunner> system_menu_runner_;
scoped_ptr<views::MenuDelegate> system_menu_delegate_;
// Focused native widget before wrench menu shows up. We need this to properly
// perform cut, copy and paste. See http://crosbug.com/8496
gfx::NativeView saved_focused_widget_;
// Is the _CHROME_STATE_STATUS_HIDDEN atom present in our toplevel window's
// _CHROME_STATE X property? This gets set by window manager to tell us to
// hide the status area.
bool has_hide_status_area_property_;
// Should the layout mode button be shown? We only show it if there are
// multiple browsers open.
bool should_show_layout_mode_button_;
DISALLOW_COPY_AND_ASSIGN(BrowserView);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_FRAME_BROWSER_VIEW_H_
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