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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_VIEWS_TOOLBAR_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_
#include <set>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "base/prefs/pref_member.h"
#include "chrome/browser/command_observer.h"
#include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "chrome/browser/ui/views/reload_button.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/animation/slide_animation.h"
#include "ui/views/accessible_pane_view.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/button/menu_button_listener.h"
#include "ui/views/view.h"
class BrowserActionsContainer;
class Browser;
class HomeImageButton;
class WrenchMenu;
class WrenchMenuModel;
class WrenchToolbarButton;
namespace views {
class MenuListener;
}
// The Browser Window's toolbar.
class ToolbarView : public views::AccessiblePaneView,
public views::MenuButtonListener,
public ui::AcceleratorProvider,
public LocationBarView::Delegate,
public content::NotificationObserver,
public CommandObserver,
public views::ButtonListener,
public views::WidgetObserver {
public:
// The view class name.
static const char kViewClassName[];
explicit ToolbarView(Browser* browser);
virtual ~ToolbarView();
// Create the contents of the Browser Toolbar.
void Init();
// Forces the toolbar (and transitively the location bar) to update its
// current state. If |tab| is non-NULL, we're switching (back?) to this tab
// and should restore any previous location bar state (such as user editing)
// as well.
void Update(content::WebContents* tab);
// Set focus to the toolbar with complete keyboard access, with the
// focus initially set to the app menu. Focus will be restored
// to the last focused view if the user escapes.
void SetPaneFocusAndFocusAppMenu();
// Returns true if the app menu is focused.
bool IsAppMenuFocused();
// Add a listener to receive a callback when the menu opens.
void AddMenuListener(views::MenuListener* listener);
// Remove a menu listener.
void RemoveMenuListener(views::MenuListener* listener);
virtual bool GetAcceleratorInfo(int id, ui::Accelerator* accel);
// Returns the view to which the bookmark bubble should be anchored.
views::View* GetBookmarkBubbleAnchor();
// Accessors...
Browser* browser() const { return browser_; }
BrowserActionsContainer* browser_actions() const { return browser_actions_; }
ReloadButton* reload_button() const { return reload_; }
LocationBarView* location_bar() const { return location_bar_; }
views::MenuButton* app_menu() const;
// Overridden from AccessiblePaneView
virtual bool SetPaneFocus(View* initial_focus) OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
// Overridden from views::MenuButtonListener:
virtual void OnMenuButtonClicked(views::View* source,
const gfx::Point& point) OVERRIDE;
// Overridden from LocationBarView::Delegate:
virtual content::WebContents* GetWebContents() const OVERRIDE;
virtual InstantController* GetInstant() OVERRIDE;
virtual views::Widget* CreateViewsBubble(
views::BubbleDelegateView* bubble_delegate) OVERRIDE;
virtual PageActionImageView* CreatePageActionImageView(
LocationBarView* owner, ExtensionAction* action) OVERRIDE;
virtual ContentSettingBubbleModelDelegate*
GetContentSettingBubbleModelDelegate() OVERRIDE;
virtual void ShowWebsiteSettings(content::WebContents* web_contents,
const GURL& url,
const content::SSLStatus& ssl) OVERRIDE;
virtual void OnInputInProgress(bool in_progress) OVERRIDE;
// Overridden from CommandObserver:
virtual void EnabledStateChangedForCommand(int id, bool enabled) OVERRIDE;
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* sender,
const ui::Event& event) OVERRIDE;
// Overridden from content::NotificationObserver:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Overridden from ui::AcceleratorProvider:
virtual bool GetAcceleratorForCommandId(
int command_id, ui::Accelerator* accelerator) OVERRIDE;
// Overridden from views::View:
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual void Layout() OVERRIDE;
virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual bool GetDropFormats(
int* formats,
std::set<OSExchangeData::CustomFormat>* custom_formats) OVERRIDE;
virtual bool CanDrop(const ui::OSExchangeData& data) OVERRIDE;
virtual int OnDragUpdated(const ui::DropTargetEvent& event) OVERRIDE;
virtual int OnPerformDrop(const ui::DropTargetEvent& event) OVERRIDE;
virtual void OnThemeChanged() OVERRIDE;
virtual const char* GetClassName() const OVERRIDE;
virtual bool AcceleratorPressed(const ui::Accelerator& acc) OVERRIDE;
// Whether the wrench/hotdogs menu is currently showing.
bool IsWrenchMenuShowing() const;
// The apparent horizontal space between most items, and the vertical padding
// above and below them.
static const int kStandardSpacing;
// The top of the toolbar has an edge we have to skip over in addition to the
// standard spacing.
static const int kVertSpacing;
protected:
// Overridden from AccessiblePaneView
virtual bool SetPaneFocusAndFocusDefault() OVERRIDE;
virtual void RemovePaneFocus() OVERRIDE;
private:
// Types of display mode this toolbar can have.
enum DisplayMode {
DISPLAYMODE_NORMAL, // Normal toolbar with buttons, etc.
DISPLAYMODE_LOCATION // Slimline toolbar showing only compact location
// bar, used for popups.
};
// Returns true if we should show the upgrade recommended dot.
bool ShouldShowUpgradeRecommended();
// Returns true if we should show the background page badge.
bool ShouldShowBackgroundPageBadge();
// Returns true if we should show the warning for incompatible software.
bool ShouldShowIncompatibilityWarning();
// Returns the number of pixels above the location bar in non-normal display.
int PopupTopSpacing() const;
// Loads the images for all the child views.
void LoadImages();
bool is_display_mode_normal() const {
return display_mode_ == DISPLAYMODE_NORMAL;
}
// Shows the critical notification bubble against the wrench menu.
void ShowCriticalNotification();
// Shows the outdated install notification bubble against the wrench menu.
void ShowOutdatedInstallNotification();
// Updates the badge and the accessible name of the app menu (Wrench).
void UpdateAppMenuState();
// Updates the severity level on the wrench menu button.
void UpdateWrenchButtonSeverity();
void OnShowHomeButtonChanged();
int content_shadow_height() const;
// The model that contains the security level, text, icon to display...
ToolbarModel* model_;
// Controls
views::ImageButton* back_;
views::ImageButton* forward_;
ReloadButton* reload_;
HomeImageButton* home_;
LocationBarView* location_bar_;
BrowserActionsContainer* browser_actions_;
WrenchToolbarButton* app_menu_;
Browser* browser_;
// Controls whether or not a home button should be shown on the toolbar.
BooleanPrefMember show_home_button_;
// The display mode used when laying out the toolbar.
DisplayMode display_mode_;
// Wrench model and menu.
// Note that the menu should be destroyed before the model it uses, so the
// menu should be listed later.
scoped_ptr<WrenchMenuModel> wrench_menu_model_;
scoped_ptr<WrenchMenu> wrench_menu_;
// A list of listeners to call when the menu opens.
ObserverList<views::MenuListener> menu_listeners_;
content::NotificationRegistrar registrar_;
DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarView);
};
#endif // CHROME_BROWSER_UI_VIEWS_TOOLBAR_VIEW_H_
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