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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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_RENDERER_MOUSE_LOCK_DISPATCHER_H_ | 5 #ifndef CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_ |
| 6 #define CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_ | 6 #define CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
| 10 | 10 |
| 11 namespace WebKit { | 11 namespace blink { |
| 12 class WebMouseEvent; | 12 class WebMouseEvent; |
| 13 } // namespace WebKit | 13 } // namespace blink |
| 14 | 14 |
| 15 namespace content { | 15 namespace content { |
| 16 | 16 |
| 17 class CONTENT_EXPORT MouseLockDispatcher { | 17 class CONTENT_EXPORT MouseLockDispatcher { |
| 18 public: | 18 public: |
| 19 MouseLockDispatcher(); | 19 MouseLockDispatcher(); |
| 20 virtual ~MouseLockDispatcher(); | 20 virtual ~MouseLockDispatcher(); |
| 21 | 21 |
| 22 class LockTarget { | 22 class LockTarget { |
| 23 public: | 23 public: |
| 24 virtual ~LockTarget() {} | 24 virtual ~LockTarget() {} |
| 25 // A mouse lock request was pending and this reports success or failure. | 25 // A mouse lock request was pending and this reports success or failure. |
| 26 virtual void OnLockMouseACK(bool succeeded) = 0; | 26 virtual void OnLockMouseACK(bool succeeded) = 0; |
| 27 // A mouse lock was in place, but has been lost. | 27 // A mouse lock was in place, but has been lost. |
| 28 virtual void OnMouseLockLost() = 0; | 28 virtual void OnMouseLockLost() = 0; |
| 29 // A mouse lock is enabled and mouse events are being delievered. | 29 // A mouse lock is enabled and mouse events are being delievered. |
| 30 virtual bool HandleMouseLockedInputEvent( | 30 virtual bool HandleMouseLockedInputEvent( |
| 31 const WebKit::WebMouseEvent& event) = 0; | 31 const blink::WebMouseEvent& event) = 0; |
| 32 }; | 32 }; |
| 33 | 33 |
| 34 // Locks the mouse to the |target|. If true is returned, an asynchronous | 34 // Locks the mouse to the |target|. If true is returned, an asynchronous |
| 35 // response to target->OnLockMouseACK() will follow. | 35 // response to target->OnLockMouseACK() will follow. |
| 36 bool LockMouse(LockTarget* target); | 36 bool LockMouse(LockTarget* target); |
| 37 // Request to unlock the mouse. An asynchronous response to | 37 // Request to unlock the mouse. An asynchronous response to |
| 38 // target->OnMouseLockLost() will follow. | 38 // target->OnMouseLockLost() will follow. |
| 39 void UnlockMouse(LockTarget* target); | 39 void UnlockMouse(LockTarget* target); |
| 40 // Clears out the reference to the |target| because it has or is being | 40 // Clears out the reference to the |target| because it has or is being |
| 41 // destroyed. Unlocks if locked. The pointer will not be accessed. | 41 // destroyed. Unlocks if locked. The pointer will not be accessed. |
| 42 void OnLockTargetDestroyed(LockTarget* target); | 42 void OnLockTargetDestroyed(LockTarget* target); |
| 43 bool IsMouseLockedTo(LockTarget* target); | 43 bool IsMouseLockedTo(LockTarget* target); |
| 44 | 44 |
| 45 // Allow lock target to consumed a mouse event, if it does return true. | 45 // Allow lock target to consumed a mouse event, if it does return true. |
| 46 bool WillHandleMouseEvent(const WebKit::WebMouseEvent& event); | 46 bool WillHandleMouseEvent(const blink::WebMouseEvent& event); |
| 47 | 47 |
| 48 // Subclasses or users have to call these methods to report mouse lock events | 48 // Subclasses or users have to call these methods to report mouse lock events |
| 49 // from the browser. | 49 // from the browser. |
| 50 void OnLockMouseACK(bool succeeded); | 50 void OnLockMouseACK(bool succeeded); |
| 51 void OnMouseLockLost(); | 51 void OnMouseLockLost(); |
| 52 | 52 |
| 53 protected: | 53 protected: |
| 54 // Subclasses must implement these methods to send mouse lock requests to the | 54 // Subclasses must implement these methods to send mouse lock requests to the |
| 55 // browser. | 55 // browser. |
| 56 virtual void SendLockMouseRequest(bool unlocked_by_target) = 0; | 56 virtual void SendLockMouseRequest(bool unlocked_by_target) = 0; |
| (...skipping 21 matching lines...) Expand all Loading... |
| 78 // owning reference here that must be cleared by |OnLockTargetDestroyed| | 78 // owning reference here that must be cleared by |OnLockTargetDestroyed| |
| 79 // when it is destroyed. | 79 // when it is destroyed. |
| 80 LockTarget* target_; | 80 LockTarget* target_; |
| 81 | 81 |
| 82 DISALLOW_COPY_AND_ASSIGN(MouseLockDispatcher); | 82 DISALLOW_COPY_AND_ASSIGN(MouseLockDispatcher); |
| 83 }; | 83 }; |
| 84 | 84 |
| 85 } // namespace content | 85 } // namespace content |
| 86 | 86 |
| 87 #endif // CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_ | 87 #endif // CONTENT_RENDERER_MOUSE_LOCK_DISPATCHER_H_ |
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