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| 1 // Copyright 2015 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 COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_ | |
| 6 #define COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include "components/mus/common/types.h" | |
| 11 | |
| 12 namespace gfx { | |
| 13 class Point; | |
| 14 } | |
| 15 | |
| 16 namespace ui { | |
| 17 class Event; | |
| 18 } | |
| 19 | |
| 20 namespace mus { | |
| 21 namespace ws { | |
| 22 | |
| 23 class Accelerator; | |
| 24 class ServerWindow; | |
| 25 | |
| 26 // Used by EventDispatcher for mocking in tests. | |
| 27 class EventDispatcherDelegate { | |
| 28 public: | |
| 29 virtual void OnAccelerator(uint32_t accelerator, const ui::Event& event) = 0; | |
| 30 | |
| 31 virtual void SetFocusedWindowFromEventDispatcher(ServerWindow* window) = 0; | |
| 32 virtual ServerWindow* GetFocusedWindowForEventDispatcher() = 0; | |
| 33 | |
| 34 // Called when capture should be set on the native display. |window| is the | |
| 35 // window capture is being set on. | |
| 36 virtual void SetNativeCapture(ServerWindow* window) = 0; | |
| 37 // Called when the native display is having capture released. There is no | |
| 38 // longer a ServerWindow holding capture. | |
| 39 virtual void ReleaseNativeCapture() = 0; | |
| 40 // Called when |window| has lost capture. The native display may still be | |
| 41 // holding capture. The delegate should not change native display capture. | |
| 42 // ReleaseNativeCapture() is invoked if appropriate. | |
| 43 virtual void OnServerWindowCaptureLost(ServerWindow* window) = 0; | |
| 44 | |
| 45 virtual void OnMouseCursorLocationChanged(const gfx::Point& point) = 0; | |
| 46 | |
| 47 // Dispatches an event to the specific client. | |
| 48 virtual void DispatchInputEventToWindow(ServerWindow* target, | |
| 49 ClientSpecificId client_id, | |
| 50 const ui::Event& event, | |
| 51 Accelerator* accelerator) = 0; | |
| 52 | |
| 53 // Returns the id of the client to send events to. |in_nonclient_area| is | |
| 54 // true if the event occurred in the non-client area of the window. | |
| 55 virtual ClientSpecificId GetEventTargetClientId(const ServerWindow* window, | |
| 56 bool in_nonclient_area) = 0; | |
| 57 | |
| 58 // Returns the window to start searching from at the specified location, or | |
| 59 // null if there is a no window containing |location|. | |
| 60 virtual ServerWindow* GetRootWindowContaining(const gfx::Point& location) = 0; | |
| 61 | |
| 62 // Called when event dispatch could not find a target. OnAccelerator may still | |
| 63 // be called. | |
| 64 virtual void OnEventTargetNotFound(const ui::Event& event) = 0; | |
| 65 | |
| 66 protected: | |
| 67 virtual ~EventDispatcherDelegate() {} | |
| 68 }; | |
| 69 | |
| 70 } // namespace ws | |
| 71 } // namespace mus | |
| 72 | |
| 73 #endif // COMPONENTS_MUS_WS_EVENT_DISPATCHER_DELEGATE_H_ | |
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