Port Extension Commands to Mac.

chrome/browser/ui/cocoa/extensions/extension_keybinding_registry_cocoa.h

+// 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_COCOA_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_COCOA_H_
+#define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_COCOA_H_
+
+#include <map>
+#include <string>
+
+#include "chrome/browser/extensions/extension_keybinding_registry.h"
+#include "ui/base/accelerators/accelerator.h"
+#include "ui/gfx/native_widget_types.h"
+
+class Profile;
+
+namespace content {
+  struct NativeWebKeyboardEvent;
+}
+namespace extensions {
+  class Extension;
+}
+
+// The ExtensionKeybindingRegistryCocoa is the Cocoa specialization of the
+// ExtensionKeybindingRegistry class that handles turning keyboard shortcuts
+// into events that get sent to the extension.
+
+// ExtensionKeybindingRegistryCocoa is a class that handles Cocoa-specific
+// implemenation of the Extension Commands shortcuts (keyboard accelerators).
+// It also routes the events to the intended recipient (ie. to the browser
+// action button in case of browser action commands).
+class ExtensionKeybindingRegistryCocoa
+    : public extensions::ExtensionKeybindingRegistry {
+ public:
+  ExtensionKeybindingRegistryCocoa(Profile* profile, gfx::NativeWindow window);
+  virtual ~ExtensionKeybindingRegistryCocoa();
+
+  static void set_shortcut_handling_suspended(bool suspended) {
+    shortcut_handling_suspended_ = suspended;
+  }
+  static bool shortcut_handling_suspended() {
+    return shortcut_handling_suspended_;
+  }
+
+  // For a given keyboard |event|, see if a known Extension Command registration
+  // exists and route the event to it. Returns true if the event was handled,
+  // false otherwise.
+  bool ProcessKeyEvent(const content::NativeWebKeyboardEvent& event);
+
+ 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:
+  // 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 window we are associated with.
+  gfx::NativeWindow window_;
+
+  // 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(ExtensionKeybindingRegistryCocoa);
+};
+
+#endif  // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_KEYBINDING_REGISTRY_COCOA_H_