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// Copyright 2013 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_TOOLBAR_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_VIEW_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "chrome/browser/command_observer.h"
#include "chrome/browser/ui/toolbar/app_menu_badge_controller.h"
#include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
#include "chrome/browser/ui/views/location_bar/location_bar_view.h"
#include "components/prefs/pref_member.h"
#include "ui/base/accelerators/accelerator.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 AppMenuButton;
class BackButton;
class Browser;
class BrowserActionsContainer;
class HomeButton;
class ReloadButton;
class ToolbarButton;
namespace extensions {
class Command;
class Extension;
}
// 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::ViewTargeterDelegate,
public AppMenuBadgeController::Delegate {
public:
// The view class name.
static const char kViewClassName[];
explicit ToolbarView(Browser* browser);
~ToolbarView() override;
// 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);
// Clears the current state for |tab|.
void ResetTabState(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();
virtual bool GetAcceleratorInfo(int id, ui::Accelerator* accel);
// Returns the view to which the bookmark bubble should be anchored.
views::View* GetBookmarkBubbleAnchor();
// Returns the view to which the "Save credit card" bubble should be anchored.
views::View* GetSaveCreditCardBubbleAnchor();
// Returns the view to which the Translate bubble should be anchored.
views::View* GetTranslateBubbleAnchor();
// Adds |anchor_view| as an observer of |bubble_widget| to track its
// visibility.
void OnBubbleCreatedForAnchor(views::View* anchor_view,
views::Widget* bubble_widget);
// Returns the maximum width the browser actions container can have.
int GetMaxBrowserActionsWidth() const;
// 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_; }
AppMenuButton* app_menu_button() const { return app_menu_button_; }
HomeButton* home_button() const { return home_; }
AppMenuBadgeController* app_menu_badge_controller() {
return &badge_controller_;
}
// AccessiblePaneView:
bool SetPaneFocus(View* initial_focus) override;
void GetAccessibleState(ui::AXViewState* state) override;
// views::MenuButtonListener:
void OnMenuButtonClicked(views::MenuButton* source,
const gfx::Point& point,
const ui::Event* event) override;
// LocationBarView::Delegate:
content::WebContents* GetWebContents() override;
ToolbarModel* GetToolbarModel() override;
const ToolbarModel* GetToolbarModel() const override;
views::Widget* CreateViewsBubble(
views::BubbleDelegateView* bubble_delegate) override;
PageActionImageView* CreatePageActionImageView(
LocationBarView* owner,
ExtensionAction* action) override;
ContentSettingBubbleModelDelegate* GetContentSettingBubbleModelDelegate()
override;
void ShowWebsiteSettings(
content::WebContents* web_contents,
const GURL& url,
const security_state::SecurityStateModel::SecurityInfo& security_info)
override;
// CommandObserver:
void EnabledStateChangedForCommand(int id, bool enabled) override;
// views::ButtonListener:
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
// content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
// ui::AcceleratorProvider:
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override;
// views::View:
gfx::Size GetPreferredSize() const override;
gfx::Size GetMinimumSize() const override;
void Layout() override;
void OnThemeChanged() override;
const char* GetClassName() const override;
bool AcceleratorPressed(const ui::Accelerator& acc) override;
protected:
// AccessiblePaneView:
bool SetPaneFocusAndFocusDefault() override;
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.
};
// views::ViewTargeterDelegate:
bool DoesIntersectRect(const views::View* target,
const gfx::Rect& rect) const override;
// AppMenuBadgeController::Delegate:
void UpdateBadgeSeverity(AppMenuBadgeController::BadgeType type,
AppMenuIconPainter::Severity severity,
bool animate) override;
// Used to avoid duplicating the near-identical logic of
// ToolbarView::GetPreferredSize() and ToolbarView::GetMinimumSize(). These
// two functions call through to GetSizeInternal(), passing themselves as the
// function pointer |View::*get_size|.
gfx::Size GetSizeInternal(gfx::Size (View::*get_size)() const) const;
// Given toolbar contents of size |size|, returns the total toolbar size.
gfx::Size SizeForContentSize(gfx::Size size) 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 app menu.
void ShowCriticalNotification();
// Shows the outdated install notification bubble against the app menu.
// |auto_update_enabled| is set to true when auto-upate is on.
void ShowOutdatedInstallNotification(bool auto_update_enabled);
void OnShowHomeButtonChanged();
int content_shadow_height() const;
// Controls. Most of these can be null, e.g. in popup windows. Only
// |location_bar_| is guaranteed to exist.
BackButton* back_;
ToolbarButton* forward_;
ReloadButton* reload_;
HomeButton* home_;
LocationBarView* location_bar_;
BrowserActionsContainer* browser_actions_;
AppMenuButton* app_menu_button_;
Browser* browser_;
AppMenuBadgeController badge_controller_;
// 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.
const DisplayMode display_mode_;
content::NotificationRegistrar registrar_;
DISALLOW_IMPLICIT_CONSTRUCTORS(ToolbarView);
};
#endif // CHROME_BROWSER_UI_VIEWS_TOOLBAR_TOOLBAR_VIEW_H_
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