| // 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 CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_IMPL_H_ |
| #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_IMPL_H_ |
| |
| #include "content/public/browser/screen_orientation_dispatcher_host.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "third_party/WebKit/public/platform/WebLockOrientationError.h" |
| #include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h" |
| |
| namespace content { |
| |
| class RenderFrameHost; |
| class ScreenOrientationProvider; |
| class WebContents; |
| |
| // ScreenOrientationDispatcherHost receives lock and unlock requests from the |
| // RenderFrames and dispatch them to the ScreenOrientationProvider. It also |
| // make sure that the right RenderFrame get replied for each lock request. |
| class CONTENT_EXPORT ScreenOrientationDispatcherHostImpl |
| : public ScreenOrientationDispatcherHost, |
| public WebContentsObserver { |
| public: |
| explicit ScreenOrientationDispatcherHostImpl(WebContents* web_contents); |
| ~ScreenOrientationDispatcherHostImpl() override; |
| |
| // ScreenOrientationDispatcherHost: |
| void NotifyLockSuccess(int request_id) override; |
| void NotifyLockError(int request_id, |
| blink::WebLockOrientationError error) override; |
| void OnOrientationChange() override; |
| |
| // WebContentsObserver: |
| bool OnMessageReceived(const IPC::Message&, |
| RenderFrameHost* render_frame_host) override; |
| void DidNavigateMainFrame(const LoadCommittedDetails& details, |
| const FrameNavigateParams& params) override; |
| |
| private: |
| void OnLockRequest(RenderFrameHost* render_frame_host, |
| blink::WebScreenOrientationLockType orientation, |
| int request_id); |
| void OnUnlockRequest(RenderFrameHost* render_frame_host); |
| |
| // Returns a RenderFrameHost if the request_id is still valid and the |
| // associated RenderFrameHost still exists. Returns NULL otherwise. |
| RenderFrameHost* GetRenderFrameHostForRequestID(int request_id); |
| |
| void ResetCurrentLock(); |
| void NotifyLockError(int request_id, |
| RenderFrameHost* render_frame_host, |
| blink::WebLockOrientationError error); |
| |
| scoped_ptr<ScreenOrientationProvider> provider_; |
| |
| struct LockInformation { |
| LockInformation(int request_id, int process_id, int routing_id); |
| int request_id; |
| int process_id; |
| int routing_id; |
| }; |
| // current_lock_ will be NULL if there are no current lock. |
| LockInformation* current_lock_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDispatcherHostImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_IMPL_H_ |