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| 1 // Copyright (c) 2011 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 PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_ | |
| 6 #define PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "ppapi/shared_impl/resource.h" | |
| 14 #include "ppapi/thunk/ppb_input_event_api.h" | |
| 15 | |
| 16 namespace ppapi { | |
| 17 | |
| 18 // IF YOU ADD STUFF TO THIS CLASS | |
| 19 // ============================== | |
| 20 // Be sure to add it to the STRUCT_TRAITS at the top of ppapi_messages.h | |
| 21 struct PPAPI_SHARED_EXPORT InputEventData { | |
| 22 InputEventData(); | |
| 23 ~InputEventData(); | |
| 24 | |
| 25 // Internal-only value. Set to true when this input event is filtered, that | |
| 26 // is, should be delivered synchronously. This is used by the proxy. | |
| 27 bool is_filtered; | |
| 28 | |
| 29 PP_InputEvent_Type event_type; | |
| 30 PP_TimeTicks event_time_stamp; | |
| 31 uint32_t event_modifiers; | |
| 32 | |
| 33 PP_InputEvent_MouseButton mouse_button; | |
| 34 PP_Point mouse_position; | |
| 35 int32_t mouse_click_count; | |
| 36 PP_Point mouse_movement; | |
| 37 | |
| 38 PP_FloatPoint wheel_delta; | |
| 39 PP_FloatPoint wheel_ticks; | |
| 40 bool wheel_scroll_by_page; | |
| 41 | |
| 42 uint32_t key_code; | |
| 43 | |
| 44 std::string character_text; | |
| 45 | |
| 46 std::vector<uint32_t> composition_segment_offsets; | |
| 47 int32_t composition_target_segment; | |
| 48 uint32_t composition_selection_start; | |
| 49 uint32_t composition_selection_end; | |
| 50 }; | |
| 51 | |
| 52 // This simple class implements the PPB_InputEvent_API in terms of the | |
| 53 // shared InputEventData structure | |
| 54 class PPAPI_SHARED_EXPORT InputEventImpl | |
| 55 : public Resource, | |
| 56 public thunk::PPB_InputEvent_API { | |
| 57 public: | |
| 58 struct InitAsImpl {}; | |
| 59 struct InitAsProxy {}; | |
| 60 | |
| 61 // The dummy arguments control which version of Resource's constructor is | |
| 62 // called for this base class. | |
| 63 InputEventImpl(const InitAsImpl&, | |
| 64 PP_Instance instance, | |
| 65 const InputEventData& data); | |
| 66 InputEventImpl(const InitAsProxy&, | |
| 67 PP_Instance instance, | |
| 68 const InputEventData& data); | |
| 69 | |
| 70 // Resource overrides. | |
| 71 virtual PPB_InputEvent_API* AsPPB_InputEvent_API() OVERRIDE; | |
| 72 | |
| 73 // PPB_InputEvent_API implementation. | |
| 74 virtual const InputEventData& GetInputEventData() const OVERRIDE; | |
| 75 virtual PP_InputEvent_Type GetType() OVERRIDE; | |
| 76 virtual PP_TimeTicks GetTimeStamp() OVERRIDE; | |
| 77 virtual uint32_t GetModifiers() OVERRIDE; | |
| 78 virtual PP_InputEvent_MouseButton GetMouseButton() OVERRIDE; | |
| 79 virtual PP_Point GetMousePosition() OVERRIDE; | |
| 80 virtual int32_t GetMouseClickCount() OVERRIDE; | |
| 81 virtual PP_Point GetMouseMovement() OVERRIDE; | |
| 82 virtual PP_FloatPoint GetWheelDelta() OVERRIDE; | |
| 83 virtual PP_FloatPoint GetWheelTicks() OVERRIDE; | |
| 84 virtual PP_Bool GetWheelScrollByPage() OVERRIDE; | |
| 85 virtual uint32_t GetKeyCode() OVERRIDE; | |
| 86 virtual PP_Var GetCharacterText() OVERRIDE; | |
| 87 virtual uint32_t GetIMESegmentNumber() OVERRIDE; | |
| 88 virtual uint32_t GetIMESegmentOffset(uint32_t index) OVERRIDE; | |
| 89 virtual int32_t GetIMETargetSegment() OVERRIDE; | |
| 90 virtual void GetIMESelection(uint32_t* start, uint32_t* end) OVERRIDE; | |
| 91 | |
| 92 private: | |
| 93 InputEventData data_; | |
| 94 | |
| 95 DISALLOW_IMPLICIT_CONSTRUCTORS(InputEventImpl); | |
| 96 }; | |
| 97 | |
| 98 } // namespace ppapi | |
| 99 | |
| 100 #endif // PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_ | |
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