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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ | 5 #ifndef CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ |
6 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ | 6 #define CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/compiler_specific.h" | 9 #include "base/compiler_specific.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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28 public WebContentsObserver { | 28 public WebContentsObserver { |
29 public: | 29 public: |
30 ScreenOrientationProvider(WebContents* web_contents); | 30 ScreenOrientationProvider(WebContents* web_contents); |
31 | 31 |
32 ~ScreenOrientationProvider() override; | 32 ~ScreenOrientationProvider() override; |
33 | 33 |
34 // device::mojom::ScreenOrientation: | 34 // device::mojom::ScreenOrientation: |
35 void LockOrientation(blink::WebScreenOrientationLockType orientation, | 35 void LockOrientation(blink::WebScreenOrientationLockType orientation, |
36 const LockOrientationCallback& callback) override; | 36 const LockOrientationCallback& callback) override; |
37 void UnlockOrientation() override; | 37 void UnlockOrientation() override; |
| 38 void StartAccurateListen() override; |
| 39 void StopAccurateListen() override; |
38 | 40 |
39 // Inform about a screen orientation update. It is called to let the provider | 41 // Inform about a screen orientation update. It is called to let the provider |
40 // know if a lock has been resolved. | 42 // know if a lock has been resolved. |
41 void OnOrientationChange(); | 43 void OnOrientationChange(); |
42 | 44 |
43 // Provide a delegate which creates delegates for platform implementations. | 45 // Provide a delegate which creates delegates for platform implementations. |
44 // The delegate is not owned by ScreenOrientationProvider. | 46 // The delegate is not owned by ScreenOrientationProvider. |
45 static void SetDelegate(ScreenOrientationDelegate* delegate_); | 47 static void SetDelegate(ScreenOrientationDelegate* delegate_); |
46 | 48 |
47 // WebContentsObserver | 49 // WebContentsObserver |
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59 // found. | 61 // found. |
60 blink::WebScreenOrientationLockType GetNaturalLockType() const; | 62 blink::WebScreenOrientationLockType GetNaturalLockType() const; |
61 | 63 |
62 // Whether the passed |lock| matches the current orientation. In other words, | 64 // Whether the passed |lock| matches the current orientation. In other words, |
63 // whether the orientation will need to change to match the |lock|. | 65 // whether the orientation will need to change to match the |lock|. |
64 bool LockMatchesCurrentOrientation(blink::WebScreenOrientationLockType lock); | 66 bool LockMatchesCurrentOrientation(blink::WebScreenOrientationLockType lock); |
65 | 67 |
66 // Not owned, responsible for platform implementations. | 68 // Not owned, responsible for platform implementations. |
67 static ScreenOrientationDelegate* delegate_; | 69 static ScreenOrientationDelegate* delegate_; |
68 | 70 |
| 71 #if defined(OS_ANDROID) |
| 72 int accurate_listener_count_ = 0; |
| 73 #endif |
| 74 |
69 // Whether the ScreenOrientationProvider currently has a lock applied. | 75 // Whether the ScreenOrientationProvider currently has a lock applied. |
70 bool lock_applied_; | 76 bool lock_applied_; |
71 | 77 |
72 // Lock that require orientation changes are not completed until | 78 // Lock that require orientation changes are not completed until |
73 // OnOrientationChange. | 79 // OnOrientationChange. |
74 base::Optional<blink::WebScreenOrientationLockType> pending_lock_orientation_; | 80 base::Optional<blink::WebScreenOrientationLockType> pending_lock_orientation_; |
75 | 81 |
76 LockOrientationCallback pending_callback_; | 82 LockOrientationCallback pending_callback_; |
77 | 83 |
78 WebContentsFrameBindingSet<device::mojom::ScreenOrientation> bindings_; | 84 WebContentsFrameBindingSet<device::mojom::ScreenOrientation> bindings_; |
79 | 85 |
80 DISALLOW_COPY_AND_ASSIGN(ScreenOrientationProvider); | 86 DISALLOW_COPY_AND_ASSIGN(ScreenOrientationProvider); |
81 }; | 87 }; |
82 | 88 |
83 } // namespace content | 89 } // namespace content |
84 | 90 |
85 #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ | 91 #endif // CONTENT_BROWSER_SCREEN_ORIENTATION_SCREEN_ORIENTATION_PROVIDER_H_ |
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