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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_ | |
6 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_ | |
7 | |
8 #include <gdk/gdk.h> | |
9 #include <string> | |
10 | |
11 #include "base/compiler_specific.h" | |
12 #include "chrome/browser/extensions/extension_keybinding_registry.h" | |
13 #include "ui/base/accelerators/accelerator.h" | |
14 #include "ui/base/gtk/gtk_signal.h" | |
15 #include "ui/gfx/native_widget_types.h" | |
16 | |
17 class Profile; | |
18 | |
19 namespace extensions { | |
20 class Extension; | |
21 } | |
22 | |
23 typedef struct _GtkAccelGroup GtkAccelGroup; | |
24 typedef struct _GdkEventKey GdkEventKey; | |
25 | |
26 // The ExtensionKeybindingRegistryGtk is the GTK specialization of the | |
27 // ExtensionKeybindingRegistry class that handles turning keyboard shortcuts | |
28 // into events that get sent to the extension. | |
29 | |
30 // ExtensionKeybindingRegistryGtk is a class that handles GTK-specific | |
31 // implemenation of the Extension Keybinding shortcuts (keyboard accelerators). | |
32 // Note: It keeps track of browserAction and pageAction commands, but does not | |
33 // route the events to them -- that is handled elsewhere. This class registers | |
34 // the accelerators on behalf of the extensions and routes the commands to them | |
35 // via the BrowserEventRouter. | |
36 class ExtensionKeybindingRegistryGtk | |
37 : public extensions::ExtensionKeybindingRegistry { | |
38 public: | |
39 ExtensionKeybindingRegistryGtk(Profile* profile, | |
40 gfx::NativeWindow window, | |
41 ExtensionFilter extension_filter, | |
42 Delegate* delegate); | |
43 virtual ~ExtensionKeybindingRegistryGtk(); | |
44 | |
45 static void set_shortcut_handling_suspended(bool suspended) { | |
46 shortcut_handling_suspended_ = suspended; | |
47 } | |
48 static bool shortcut_handling_suspended() { | |
49 return shortcut_handling_suspended_; | |
50 } | |
51 | |
52 // Whether this class has any registered keyboard shortcuts that correspond | |
53 // to |event|. | |
54 gboolean HasPriorityHandler(const GdkEventKey* event) const; | |
55 | |
56 protected: | |
57 // Overridden from ExtensionKeybindingRegistry: | |
58 virtual void AddExtensionKeybinding( | |
59 const extensions::Extension* extension, | |
60 const std::string& command_name) OVERRIDE; | |
61 virtual void RemoveExtensionKeybindingImpl( | |
62 const ui::Accelerator& accelerator, | |
63 const std::string& command_name) OVERRIDE; | |
64 | |
65 private: | |
66 // The accelerator handler for when the extension command shortcuts are | |
67 // struck. | |
68 CHROMEG_CALLBACK_3(ExtensionKeybindingRegistryGtk, gboolean, OnGtkAccelerator, | |
69 GtkAccelGroup*, GObject*, guint, GdkModifierType); | |
70 | |
71 // Keeps track of whether shortcut handling is currently suspended. Shortcuts | |
72 // are suspended briefly while capturing which shortcut to assign to an | |
73 // extension command in the Config UI. If handling isn't suspended while | |
74 // capturing then trying to assign Ctrl+F to a command would instead result | |
75 // in the Find box opening. | |
76 static bool shortcut_handling_suspended_; | |
77 | |
78 // Weak pointer to the our profile. Not owned by us. | |
79 Profile* profile_; | |
80 | |
81 // The browser window the accelerators are associated with. | |
82 gfx::NativeWindow window_; | |
83 | |
84 // The accelerator group used to handle accelerators, owned by this object. | |
85 GtkAccelGroup* accel_group_; | |
86 | |
87 // The content notification registrar for listening to extension events. | |
88 content::NotificationRegistrar registrar_; | |
89 | |
90 DISALLOW_COPY_AND_ASSIGN(ExtensionKeybindingRegistryGtk); | |
91 }; | |
92 | |
93 #endif // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_ | |
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