content/browser/screen_orientation/screen_orientation_dispatcher_host.h - Issue 508603003: Export ScreenOrientationProvider

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Issue 508603003: Export ScreenOrientationProvider (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Add missing export Created 6 years, 3 months ago

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1 // Copyright 2014 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 CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_H_

6 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_H_

7

8 #include "base/id_map.h"

9 #include "content/public/browser/render_frame_host.h"

10 #include "content/public/browser/web_contents_observer.h"

11 #include "third_party/WebKit/public/platform/WebLockOrientationError.h"

12 #include "third_party/WebKit/public/platform/WebScreenOrientationLockType.h"

13 #include "third_party/WebKit/public/platform/WebScreenOrientationType.h"

14

15 namespace content {

16

17 class RenderFrameHost;

18 class ScreenOrientationProvider;

19 class WebContents;

20

21 // ScreenOrientationDispatcherHost receives lock and unlock requests from the

22 // RenderFrames and dispatch them to the ScreenOrientationProvider. It also

23 // make sure that the right RenderFrame get replied for each lock request.

24 class CONTENT_EXPORT ScreenOrientationDispatcherHost

25 : public WebContentsObserver {

26 public:

27 explicit ScreenOrientationDispatcherHost(WebContents* web_contents);

28 virtual ~ScreenOrientationDispatcherHost();

29

30 // WebContentsObserver

31 virtual bool OnMessageReceived(const IPC::Message&,

32 RenderFrameHost* render_frame_host) OVERRIDE;

33

34 // Notifies that the lock with the given \|request_id\| has succeeded.

35 // The renderer process will be notified that the lock succeeded only if

36 // \|request_id\| matches the \|current_lock_\|.

37 void NotifyLockSuccess(int request_id);

38

39 // Notifies that the lock with the given \|request_id\| has failed.

40 // The renderer process will be notified that the lock succeeded only if

41 // \|request_id\| matches the \|current_lock_\|.

42 void NotifyLockError(int request_id, blink::WebLockOrientationError error);

43

44 void OnOrientationChange();

45

46 private:

47 void OnLockRequest(RenderFrameHost* render_frame_host,

48 blink::WebScreenOrientationLockType orientation,

49 int request_id);

50 void OnUnlockRequest(RenderFrameHost* render_frame_host);

51

52 // Returns a RenderFrameHost if the request_id is still valid and the

53 // associated RenderFrameHost still exists. Returns NULL otherwise.

54 RenderFrameHost* GetRenderFrameHostForRequestID(int request_id);

55

56 void ResetCurrentLock();

57 void NotifyLockError(int request_id,

58 RenderFrameHost* render_frame_host,

59 blink::WebLockOrientationError error);

60

61 scoped_ptr<ScreenOrientationProvider> provider_;

62

63 struct LockInformation {

64 LockInformation(int request_id, int process_id, int routing_id);

65 int request_id;

66 int process_id;

67 int routing_id;

68 };

69 // current_lock_ will be NULL if there are no current lock.

70 LockInformation* current_lock_;

71

72 DISALLOW_COPY_AND_ASSIGN(ScreenOrientationDispatcherHost);

73 };

74

75 } // namespace content

76

77 #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_DISPATCHER_HOST_ H_

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