| // Copyright 2014 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_HANDOFF_ACTIVE_URL_OBSERVER_BRIDGE_H_ |
| #define CHROME_BROWSER_UI_COCOA_HANDOFF_ACTIVE_URL_OBSERVER_BRIDGE_H_ |
| |
| #import <Cocoa/Cocoa.h> |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "chrome/browser/ui/cocoa/handoff_active_url_observer_delegate.h" |
| |
| namespace content { |
| class WebContents; |
| } |
| |
| class HandoffActiveURLObserver; |
| |
| // A protocol that allows ObjC objects to receive delegate callbacks from |
| // HandoffActiveURLObserver. |
| @protocol HandoffActiveURLObserverBridgeDelegate |
| - (void)handoffActiveURLChanged:(content::WebContents*)webContents; |
| @end |
| |
| // This class allows an ObjC object to receive the delegate callbacks from an |
| // HandoffActiveURLObserver. |
| class HandoffActiveURLObserverBridge : public HandoffActiveURLObserverDelegate { |
| public: |
| explicit HandoffActiveURLObserverBridge( |
| NSObject<HandoffActiveURLObserverBridgeDelegate>* delegate); |
| |
| ~HandoffActiveURLObserverBridge() override; |
| |
| private: |
| void HandoffActiveURLChanged(content::WebContents* web_contents) override; |
| |
| // Instances of this class should be owned by their |delegate_|. |
| NSObject<HandoffActiveURLObserverBridgeDelegate>* delegate_; |
| |
| // The C++ object that this class acts as a bridge for. |
| std::unique_ptr<HandoffActiveURLObserver> observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(HandoffActiveURLObserverBridge); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_COCOA_HANDOFF_ACTIVE_URL_OBSERVER_BRIDGE_H_ |