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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_
#define PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/ppb_input_event_api.h"
namespace ppapi {
// IF YOU ADD STUFF TO THIS CLASS
// ==============================
// Be sure to add it to the STRUCT_TRAITS at the top of ppapi_messages.h
struct PPAPI_SHARED_EXPORT InputEventData {
InputEventData();
~InputEventData();
// Internal-only value. Set to true when this input event is filtered, that
// is, should be delivered synchronously. This is used by the proxy.
bool is_filtered;
PP_InputEvent_Type event_type;
PP_TimeTicks event_time_stamp;
uint32_t event_modifiers;
PP_InputEvent_MouseButton mouse_button;
PP_Point mouse_position;
int32_t mouse_click_count;
PP_Point mouse_movement;
PP_FloatPoint wheel_delta;
PP_FloatPoint wheel_ticks;
bool wheel_scroll_by_page;
uint32_t key_code;
std::string character_text;
std::vector<uint32_t> composition_segment_offsets;
int32_t composition_target_segment;
uint32_t composition_selection_start;
uint32_t composition_selection_end;
};
// This simple class implements the PPB_InputEvent_API in terms of the
// shared InputEventData structure
class PPAPI_SHARED_EXPORT InputEventImpl
: public Resource,
public thunk::PPB_InputEvent_API {
public:
struct InitAsImpl {};
struct InitAsProxy {};
// The dummy arguments control which version of Resource's constructor is
// called for this base class.
InputEventImpl(const InitAsImpl&,
PP_Instance instance,
const InputEventData& data);
InputEventImpl(const InitAsProxy&,
PP_Instance instance,
const InputEventData& data);
// Resource overrides.
virtual PPB_InputEvent_API* AsPPB_InputEvent_API() OVERRIDE;
// PPB_InputEvent_API implementation.
virtual const InputEventData& GetInputEventData() const OVERRIDE;
virtual PP_InputEvent_Type GetType() OVERRIDE;
virtual PP_TimeTicks GetTimeStamp() OVERRIDE;
virtual uint32_t GetModifiers() OVERRIDE;
virtual PP_InputEvent_MouseButton GetMouseButton() OVERRIDE;
virtual PP_Point GetMousePosition() OVERRIDE;
virtual int32_t GetMouseClickCount() OVERRIDE;
virtual PP_Point GetMouseMovement() OVERRIDE;
virtual PP_FloatPoint GetWheelDelta() OVERRIDE;
virtual PP_FloatPoint GetWheelTicks() OVERRIDE;
virtual PP_Bool GetWheelScrollByPage() OVERRIDE;
virtual uint32_t GetKeyCode() OVERRIDE;
virtual PP_Var GetCharacterText() OVERRIDE;
virtual uint32_t GetIMESegmentNumber() OVERRIDE;
virtual uint32_t GetIMESegmentOffset(uint32_t index) OVERRIDE;
virtual int32_t GetIMETargetSegment() OVERRIDE;
virtual void GetIMESelection(uint32_t* start, uint32_t* end) OVERRIDE;
private:
InputEventData data_;
DISALLOW_IMPLICIT_CONSTRUCTORS(InputEventImpl);
};
} // namespace ppapi
#endif // PPAPI_SHARED_IMPL_INPUT_EVENT_IMPL_H_