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 3 // found in the LICENSE file. 4 5 #ifndef PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_ 6 #define PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "base/compiler_specific.h" 13 #include "ppapi/c/ppb_input_event.h" 14 #include "ppapi/shared_impl/resource.h" 15 #include "ppapi/thunk/ppb_input_event_api.h" 16 17 namespace ppapi { 18 19 // IF YOU ADD STUFF TO THIS CLASS 20 // ============================== 21 // Be sure to add it to the STRUCT_TRAITS at the top of ppapi_messages.h 22 struct PPAPI_SHARED_EXPORT InputEventData { 23 InputEventData(); 24 ~InputEventData(); 25 26 // Internal-only value. Set to true when this input event is filtered, that 27 // is, should be delivered synchronously. This is used by the proxy. 28 bool is_filtered; 29 30 PP_InputEvent_Type event_type; 31 PP_TimeTicks event_time_stamp; 32 uint32_t event_modifiers; 33 34 PP_InputEvent_MouseButton mouse_button; 35 PP_Point mouse_position; 36 int32_t mouse_click_count; 37 PP_Point mouse_movement; 38 39 PP_FloatPoint wheel_delta; 40 PP_FloatPoint wheel_ticks; 41 bool wheel_scroll_by_page; 42 43 uint32_t key_code; 44 uint32_t usb_key_code; 45 46 std::string character_text; 47 48 std::vector<uint32_t> composition_segment_offsets; 49 int32_t composition_target_segment; 50 uint32_t composition_selection_start; 51 uint32_t composition_selection_end; 52 53 std::vector<PP_TouchPoint> touches; 54 std::vector<PP_TouchPoint> changed_touches; 55 std::vector<PP_TouchPoint> target_touches; 56 }; 57 58 // This simple class implements the PPB_InputEvent_API in terms of the 59 // shared InputEventData structure 60 class PPAPI_SHARED_EXPORT PPB_InputEvent_Shared 61 : public Resource, 62 public thunk::PPB_InputEvent_API { 63 public: 64 PPB_InputEvent_Shared(ResourceObjectType type, 65 PP_Instance instance, 66 const InputEventData& data); 67 68 // Resource overrides. 69 virtual PPB_InputEvent_API* AsPPB_InputEvent_API() OVERRIDE; 70 71 // PPB_InputEvent_API implementation. 72 virtual const InputEventData& GetInputEventData() const OVERRIDE; 73 virtual PP_InputEvent_Type GetType() OVERRIDE; 74 virtual PP_TimeTicks GetTimeStamp() OVERRIDE; 75 virtual uint32_t GetModifiers() OVERRIDE; 76 virtual PP_InputEvent_MouseButton GetMouseButton() OVERRIDE; 77 virtual PP_Point GetMousePosition() OVERRIDE; 78 virtual int32_t GetMouseClickCount() OVERRIDE; 79 virtual PP_Point GetMouseMovement() OVERRIDE; 80 virtual PP_FloatPoint GetWheelDelta() OVERRIDE; 81 virtual PP_FloatPoint GetWheelTicks() OVERRIDE; 82 virtual PP_Bool GetWheelScrollByPage() OVERRIDE; 83 virtual uint32_t GetKeyCode() OVERRIDE; 84 virtual PP_Var GetCharacterText() OVERRIDE; 85 virtual PP_Bool SetUsbKeyCode(uint32_t usb_key_code) OVERRIDE; 86 virtual uint32_t GetUsbKeyCode() 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 virtual void AddTouchPoint(PP_TouchListType list, 92 const PP_TouchPoint& point) OVERRIDE; 93 virtual uint32_t GetTouchCount(PP_TouchListType list) OVERRIDE; 94 virtual PP_TouchPoint GetTouchByIndex(PP_TouchListType list, 95 uint32_t index) OVERRIDE; 96 virtual PP_TouchPoint GetTouchById(PP_TouchListType list, 97 uint32_t id) OVERRIDE; 98 99 // Implementations for event creation. 100 static PP_Resource CreateIMEInputEvent(ResourceObjectType type, 101 PP_Instance instance, 102 PP_InputEvent_Type event_type, 103 PP_TimeTicks time_stamp, 104 struct PP_Var text, 105 uint32_t segment_number, 106 const uint32_t* segment_offsets, 107 int32_t target_segment, 108 uint32_t selection_start, 109 uint32_t selection_end); 110 static PP_Resource CreateKeyboardInputEvent(ResourceObjectType type, 111 PP_Instance instance, 112 PP_InputEvent_Type event_type, 113 PP_TimeTicks time_stamp, 114 uint32_t modifiers, 115 uint32_t key_code, 116 struct PP_Var character_text); 117 static PP_Resource CreateMouseInputEvent( 118 ResourceObjectType type, 119 PP_Instance instance, 120 PP_InputEvent_Type event_type, 121 PP_TimeTicks time_stamp, 122 uint32_t modifiers, 123 PP_InputEvent_MouseButton mouse_button, 124 const PP_Point* mouse_position, 125 int32_t click_count, 126 const PP_Point* mouse_movement); 127 static PP_Resource CreateWheelInputEvent(ResourceObjectType type, 128 PP_Instance instance, 129 PP_TimeTicks time_stamp, 130 uint32_t modifiers, 131 const PP_FloatPoint* wheel_delta, 132 const PP_FloatPoint* wheel_ticks, 133 PP_Bool scroll_by_page); 134 static PP_Resource CreateTouchInputEvent(ResourceObjectType type, 135 PP_Instance instance, 136 PP_InputEvent_Type event_type, 137 PP_TimeTicks time_stamp, 138 uint32_t modifiers); 139 140 private: 141 InputEventData data_; 142 143 DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_InputEvent_Shared); 144 }; 145 146 } // namespace ppapi 147 148 #endif // PPAPI_SHARED_IMPL_PPB_INPUT_EVENT_SHARED_H_ 149
