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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ | 5 #ifndef CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ |
| 6 #define CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ | 6 #define CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include "app/gtk_signal.h" | 9 #include "chrome/browser/ui/gtk/back_forward_button_gtk.h" |
| 10 #include "base/scoped_ptr.h" | 10 // TODO(msw): remove this file once all includes have been updated. |
| 11 #include "base/task.h" | |
| 12 #include "chrome/browser/gtk/custom_button.h" | |
| 13 #include "chrome/browser/gtk/menu_gtk.h" | |
| 14 | |
| 15 class BackForwardMenuModel; | |
| 16 class Browser; | |
| 17 | |
| 18 typedef struct _GtkWidget GtkWidget; | |
| 19 | |
| 20 // When clicked, these buttons will navigate forward or backward. When | |
| 21 // pressed and held, they show a dropdown menu of recent web sites. | |
| 22 class BackForwardButtonGtk : MenuGtk::Delegate { | |
| 23 public: | |
| 24 BackForwardButtonGtk(Browser* browser, bool is_forward); | |
| 25 virtual ~BackForwardButtonGtk(); | |
| 26 | |
| 27 // MenuGtk::Delegate implementation. | |
| 28 virtual void StoppedShowing(); | |
| 29 virtual bool AlwaysShowIconForCmd(int command_id) const; | |
| 30 | |
| 31 GtkWidget* widget() { return button_->widget(); } | |
| 32 | |
| 33 private: | |
| 34 // Executes the browser command. | |
| 35 CHROMEGTK_CALLBACK_0(BackForwardButtonGtk, void, OnClick); | |
| 36 | |
| 37 // Starts a timer to show the dropdown menu. | |
| 38 CHROMEGTK_CALLBACK_1(BackForwardButtonGtk, gboolean, OnButtonPress, | |
| 39 GdkEventButton*); | |
| 40 | |
| 41 // If there is a timer to show the dropdown menu, and the mouse has moved | |
| 42 // sufficiently down the screen, cancel the timer and immediately show the | |
| 43 // menu. | |
| 44 CHROMEGTK_CALLBACK_1(BackForwardButtonGtk, gboolean, OnMouseMove, | |
| 45 GdkEventMotion*); | |
| 46 | |
| 47 // Shows the dropdown menu. | |
| 48 void ShowBackForwardMenu(); | |
| 49 | |
| 50 // The menu gets reset every time it is shown. | |
| 51 scoped_ptr<MenuGtk> menu_; | |
| 52 | |
| 53 scoped_ptr<CustomDrawButton> button_; | |
| 54 | |
| 55 // The browser to which we will send commands. | |
| 56 Browser* browser_; | |
| 57 | |
| 58 // Whether this button is a forward button. | |
| 59 bool is_forward_; | |
| 60 | |
| 61 // The dropdown menu model. | |
| 62 scoped_ptr<BackForwardMenuModel> menu_model_; | |
| 63 | |
| 64 // The y position of the last mouse down event. | |
| 65 int y_position_of_last_press_; | |
| 66 | |
| 67 ScopedRunnableMethodFactory<BackForwardButtonGtk> show_menu_factory_; | |
| 68 | |
| 69 DISALLOW_COPY_AND_ASSIGN(BackForwardButtonGtk); | |
| 70 }; | |
| 71 | 11 |
| 72 #endif // CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ | 12 #endif // CHROME_BROWSER_GTK_BACK_FORWARD_BUTTON_GTK_H_ |
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