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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.
#ifndef CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_
#define CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_
#include <gtk/gtk.h>
#include <string>
#include "base/scoped_ptr.h"
#include "chrome/browser/autocomplete/autocomplete_popup_view.h"
#include "chrome/browser/command_updater.h"
#include "chrome/browser/gtk/menu_gtk.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/pref_member.h"
class BackForwardButtonGtk;
class Browser;
class BrowserWindowGtk;
class CustomDrawButton;
class GtkThemeProvider;
class GoButtonGtk;
class LocationBar;
class LocationBarViewGtk;
class NineBox;
class Profile;
class TabContents;
class ToolbarModel;
class ToolbarStarToggleGtk;
// View class that displays the GTK version of the toolbar and routes gtk
// events back to the Browser.
class BrowserToolbarGtk : public CommandUpdater::CommandObserver,
public MenuGtk::Delegate,
public NotificationObserver,
public AutocompletePopupPositioner {
public:
explicit BrowserToolbarGtk(Browser* browser, BrowserWindowGtk* window);
virtual ~BrowserToolbarGtk();
// Create the contents of the toolbar. |top_level_window| is the GtkWindow
// to which we attach our accelerators.
void Init(Profile* profile, GtkWindow* top_level_window);
// Adds this GTK toolbar into a sizing box.
void AddToolbarToBox(GtkWidget* box);
void Show();
void Hide();
// Getter for the containing widget.
GtkWidget* widget() {
return event_box_;
}
virtual LocationBar* GetLocationBar() const;
GoButtonGtk* GetGoButton() { return go_.get(); }
// Overridden from CommandUpdater::CommandObserver:
virtual void EnabledStateChangedForCommand(int id, bool enabled);
// Overridden from MenuGtk::Delegate:
virtual bool IsCommandEnabled(int command_id) const;
virtual bool IsItemChecked(int id) const;
virtual void ExecuteCommand(int command_id);
virtual void StoppedShowing();
// NotificationObserver implementation.
void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
Profile* profile() { return profile_; }
void SetProfile(Profile* profile);
// Message that we should react to a state change.
void UpdateTabContents(TabContents* contents, bool should_restore_state);
ToolbarStarToggleGtk* star() { return star_.get(); }
// Implement AutocompletePopupPositioner, return the position of where the
// Omnibox results popup should go (from the star to the go buttons).
virtual gfx::Rect GetPopupBounds() const;
private:
// Builds a toolbar button with all the properties set.
// |spacing| is the width of padding (in pixels) on the left and right of the
// button.
CustomDrawButton* BuildToolbarButton(int normal_id,
int active_id,
int highlight_id,
int depressed_id,
const std::string& localized_tooltip,
const char* stock_id);
// Create the star button given the tooltip. Returns the widget created.
ToolbarStarToggleGtk* BuildStarButton(const std::string& localized_tooltip);
// Create a menu for the toolbar given the icon id and tooltip. Returns the
// widget created.
GtkWidget* BuildToolbarMenuButton(const std::string& localized_tooltip,
OwnedWidgetGtk* owner);
// Connect signals for dragging a url onto the home button.
void SetUpDragForHomeButton();
// Helper for the PageAppMenu event handlers. Pops down the currently active
// meun and pops up the other menu.
void ChangeActiveMenu(GtkWidget* active_menu, guint timestamp);
// Gtk callback for the "expose-event" signal.
static gboolean OnToolbarExpose(GtkWidget* widget, GdkEventExpose* e,
BrowserToolbarGtk* toolbar);
static gboolean OnLocationHboxExpose(GtkWidget* omnibox_hbox,
GdkEventExpose* e,
BrowserToolbarGtk* toolbar);
// Gtk callback for the "clicked" signal.
static void OnButtonClick(GtkWidget* button, BrowserToolbarGtk* toolbar);
// Gtk callback for the "button-release-event" signal.
static gboolean OnButtonRelease(GtkWidget* button, GdkEventButton* event,
BrowserToolbarGtk* toolbar);
// Gtk callback to intercept mouse clicks to the menu buttons.
static gboolean OnMenuButtonPressEvent(GtkWidget* button,
GdkEventButton* event,
BrowserToolbarGtk* toolbar);
// Gtk callback used when a hotkey activates the menu buttons.
static gboolean OnMenuClicked(GtkWidget* button,
BrowserToolbarGtk* toolbar);
// Used for drags onto home button.
static void OnDragDataReceived(GtkWidget* widget,
GdkDragContext* drag_context,
gint x, gint y,
GtkSelectionData* data,
guint info, guint time,
BrowserToolbarGtk* toolbar);
// These event handlers are used to fake menu-bar behavior in the page and
// app menus.
static gboolean OnPageAppMenuMouseMotion(GtkWidget* widget,
GdkEventMotion* event,
BrowserToolbarGtk* toolbar);
static void OnPageAppMenuMoveCurrent(GtkWidget* widget,
GtkMenuDirectionType dir,
BrowserToolbarGtk* toolbar);
// Sometimes we only want to show the location w/o the toolbar buttons (e.g.,
// in a popup window).
bool ShouldOnlyShowLocation() const;
// Ninebox for the toolbar background
scoped_ptr<NineBox> background_ninebox_;
// An event box that holds |toolbar_|. We need the toolbar to have its own
// GdkWindow when we use the GTK drawing because otherwise the color from our
// parent GdkWindow will leak through with some theme engines (such as
// Clearlooks).
GtkWidget* event_box_;
// Gtk widgets. The toolbar is an hbox with each of the other pieces of the
// toolbar placed side by side.
GtkWidget* toolbar_;
// The location bar view.
scoped_ptr<LocationBarViewGtk> location_bar_;
// A pointer to our window's accelerator list.
GtkAccelGroup* accel_group_;
// All the buttons in the toolbar.
scoped_ptr<BackForwardButtonGtk> back_, forward_;
scoped_ptr<CustomDrawButton> reload_;
scoped_ptr<CustomDrawButton> home_;
scoped_ptr<ToolbarStarToggleGtk> star_;
scoped_ptr<GoButtonGtk> go_;
OwnedWidgetGtk page_menu_button_, app_menu_button_;
// Keep a pointer to the menu button images because we change them when
// the theme changes.
GtkWidget* page_menu_image_;
GtkWidget* app_menu_image_;
// The model that contains the security level, text, icon to display...
ToolbarModel* model_;
GtkThemeProvider* theme_provider_;
scoped_ptr<MenuGtk> page_menu_;
scoped_ptr<MenuGtk> app_menu_;
scoped_ptr<MenuGtk> encodings_menu_;
Browser* browser_;
BrowserWindowGtk* window_;
Profile* profile_;
// Controls whether or not a home button should be shown on the toolbar.
BooleanPrefMember show_home_button_;
// The event state the last time we observed a button release event.
int last_release_event_flags_;
NotificationRegistrar registrar_;
// A GtkEntry that isn't part of the hierarchy. We keep this for native
// rendering.
OwnedWidgetGtk offscreen_entry_;
DISALLOW_COPY_AND_ASSIGN(BrowserToolbarGtk);
};
#endif // CHROME_BROWSER_GTK_BROWSER_TOOLBAR_GTK_H_
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