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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_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
#define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
#include <gdk/gdk.h>
#include <map>
#include <string>
#include "base/compiler_specific.h"
#include "chrome/browser/extensions/extension_keybinding_registry.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/gtk/gtk_signal.h"
#include "ui/gfx/native_widget_types.h"
class Profile;
namespace extensions {
class Extension;
}
typedef struct _GtkAccelGroup GtkAccelGroup;
typedef struct _GdkEventKey GdkEventKey;
// The ExtensionKeybindingRegistryGtk is the GTK specialization of the
// ExtensionKeybindingRegistry class that handles turning keyboard shortcuts
// into events that get sent to the extension.
// ExtensionKeybindingRegistryGtk is a class that handles GTK-specific
// implemenation of the Extension Keybinding shortcuts (keyboard accelerators).
// Note: It keeps track of browserAction and pageAction commands, but does not
// route the events to them -- that is handled elsewhere. This class registers
// the accelerators on behalf of the extensions and routes the commands to them
// via the BrowserEventRouter.
class ExtensionKeybindingRegistryGtk
: public extensions::ExtensionKeybindingRegistry {
public:
ExtensionKeybindingRegistryGtk(Profile* profile,
gfx::NativeWindow window,
ExtensionFilter extension_filter,
Delegate* delegate);
virtual ~ExtensionKeybindingRegistryGtk();
static void set_shortcut_handling_suspended(bool suspended) {
shortcut_handling_suspended_ = suspended;
}
static bool shortcut_handling_suspended() {
return shortcut_handling_suspended_;
}
// Whether this class has any registered keyboard shortcuts that correspond
// to |event|.
gboolean HasPriorityHandler(const GdkEventKey* event) const;
protected:
// Overridden from ExtensionKeybindingRegistry:
virtual void AddExtensionKeybinding(
const extensions::Extension* extension,
const std::string& command_name) OVERRIDE;
virtual void RemoveExtensionKeybinding(
const extensions::Extension* extension,
const std::string& command_name) OVERRIDE;
private:
// The accelerator handler for when the extension command shortcuts are
// struck.
CHROMEG_CALLBACK_3(ExtensionKeybindingRegistryGtk, gboolean, OnGtkAccelerator,
GtkAccelGroup*, GObject*, guint, GdkModifierType);
// Keeps track of whether shortcut handling is currently suspended. Shortcuts
// are suspended briefly while capturing which shortcut to assign to an
// extension command in the Config UI. If handling isn't suspended while
// capturing then trying to assign Ctrl+F to a command would instead result
// in the Find box opening.
static bool shortcut_handling_suspended_;
// Weak pointer to the our profile. Not owned by us.
Profile* profile_;
// The browser window the accelerators are associated with.
gfx::NativeWindow window_;
// The accelerator group used to handle accelerators, owned by this object.
GtkAccelGroup* accel_group_;
// Maps an accelerator to a string pair (extension id, command name) for
// commands that have been registered. Unlike its Views counterpart, this map
// contains browserAction and pageAction commands (but does not route those
// events), so that we can query priority handlers in HasPriorityHandler(...).
typedef std::map< ui::Accelerator,
std::pair<std::string, std::string> > EventTargets;
EventTargets event_targets_;
// The content notification registrar for listening to extension events.
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(ExtensionKeybindingRegistryGtk);
};
#endif // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_GTK_H_
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