root/ppapi/thunk/ppb_input_event_thunk.cc

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DEFINITIONS

This source file includes following definitions.
  1. RequestInputEvents
  2. RequestFilteringInputEvents
  3. ClearInputEventRequest
  4. IsInputEvent
  5. GetType
  6. GetTimeStamp
  7. GetModifiers
  8. CreateMouseInputEvent1_0
  9. CreateMouseInputEvent1_1
  10. IsMouseInputEvent
  11. GetMouseButton
  12. GetMousePosition
  13. GetMouseClickCount
  14. GetMouseMovement
  15. CreateWheelInputEvent
  16. IsWheelInputEvent
  17. GetWheelDelta
  18. GetWheelTicks
  19. GetWheelScrollByPage
  20. CreateKeyboardInputEvent_1_0
  21. CreateKeyboardInputEvent_1_2
  22. IsKeyboardInputEvent
  23. GetKeyCode
  24. GetCharacterText
  25. GetCode
  26. CreateIMEInputEvent
  27. IsIMEInputEvent
  28. GetIMEText
  29. GetIMESegmentNumber
  30. GetIMESegmentOffset
  31. GetIMETargetSegment
  32. GetIMESelection
  33. CreateTouchInputEvent
  34. AddTouchPoint
  35. IsTouchInputEvent
  36. GetTouchCount
  37. GetTouchByIndex
  38. GetTouchById
  39. GetPPB_InputEvent_1_0_Thunk
  40. GetPPB_MouseInputEvent_1_0_Thunk
  41. GetPPB_MouseInputEvent_1_1_Thunk
  42. GetPPB_KeyboardInputEvent_1_0_Thunk
  43. GetPPB_KeyboardInputEvent_1_2_Thunk
  44. GetPPB_WheelInputEvent_1_0_Thunk
  45. GetPPB_IMEInputEvent_Dev_0_1_Thunk
  46. GetPPB_IMEInputEvent_Dev_0_2_Thunk
  47. GetPPB_IMEInputEvent_1_0_Thunk
  48. GetPPB_TouchInputEvent_1_0_Thunk
// Copyright (c) 2012 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.

#include "ppapi/c/pp_errors.h"
#include "ppapi/thunk/enter.h"
#include "ppapi/thunk/ppb_input_event_api.h"
#include "ppapi/thunk/ppb_instance_api.h"
#include "ppapi/thunk/resource_creation_api.h"
#include "ppapi/thunk/thunk.h"

namespace ppapi {
namespace thunk {

namespace {

typedef EnterResource<PPB_InputEvent_API> EnterInputEvent;

// InputEvent ------------------------------------------------------------------

int32_t RequestInputEvents(PP_Instance instance, uint32_t event_classes) {
  VLOG(4) << "PPB_InputEvent::RequestInputEvents()";
  EnterInstance enter(instance);
  if (enter.failed())
    return enter.retval();
  return enter.functions()->RequestInputEvents(instance, event_classes);
}

int32_t RequestFilteringInputEvents(PP_Instance instance,
                                    uint32_t event_classes) {
  VLOG(4) << "PPB_InputEvent::RequestFilteringInputEvents()";
  EnterInstance enter(instance);
  if (enter.failed())
    return enter.retval();
  return enter.functions()->RequestFilteringInputEvents(instance,
                                                        event_classes);
}

void ClearInputEventRequest(PP_Instance instance,
                            uint32_t event_classes) {
  VLOG(4) << "PPB_InputEvent::ClearInputEventRequest()";
  EnterInstance enter(instance);
  if (enter.succeeded())
    enter.functions()->ClearInputEventRequest(instance, event_classes);
}

PP_Bool IsInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_InputEvent::IsInputEvent()";
  EnterInputEvent enter(resource, false);
  return enter.succeeded() ? PP_TRUE : PP_FALSE;
}

PP_InputEvent_Type GetType(PP_Resource event) {
  VLOG(4) << "PPB_InputEvent::GetType()";
  EnterInputEvent enter(event, true);
  if (enter.failed())
    return PP_INPUTEVENT_TYPE_UNDEFINED;
  return enter.object()->GetType();
}

PP_TimeTicks GetTimeStamp(PP_Resource event) {
  VLOG(4) << "PPB_InputEvent::GetTimeStamp()";
  EnterInputEvent enter(event, true);
  if (enter.failed())
    return 0.0;
  return enter.object()->GetTimeStamp();
}

uint32_t GetModifiers(PP_Resource event) {
  VLOG(4) << "PPB_InputEvent::GetModifiers()";
  EnterInputEvent enter(event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetModifiers();
}

const PPB_InputEvent g_ppb_input_event_thunk = {
  &RequestInputEvents,
  &RequestFilteringInputEvents,
  &ClearInputEventRequest,
  &IsInputEvent,
  &GetType,
  &GetTimeStamp,
  &GetModifiers
};

// Mouse -----------------------------------------------------------------------

PP_Resource CreateMouseInputEvent1_0(PP_Instance instance,
                                     PP_InputEvent_Type type,
                                     PP_TimeTicks time_stamp,
                                     uint32_t modifiers,
                                     PP_InputEvent_MouseButton mouse_button,
                                     const PP_Point* mouse_position,
                                     int32_t click_count) {
  VLOG(4) << "PPB_MouseInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;

  PP_Point mouse_movement = PP_MakePoint(0, 0);
  return enter.functions()->CreateMouseInputEvent(instance, type, time_stamp,
                                                  modifiers, mouse_button,
                                                  mouse_position, click_count,
                                                  &mouse_movement);
}

PP_Resource CreateMouseInputEvent1_1(PP_Instance instance,
                                     PP_InputEvent_Type type,
                                     PP_TimeTicks time_stamp,
                                     uint32_t modifiers,
                                     PP_InputEvent_MouseButton mouse_button,
                                     const PP_Point* mouse_position,
                                     int32_t click_count,
                                     const PP_Point* mouse_movement) {
  VLOG(4) << "PPB_MouseInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateMouseInputEvent(instance, type, time_stamp,
                                                  modifiers, mouse_button,
                                                  mouse_position, click_count,
                                                  mouse_movement);
}

PP_Bool IsMouseInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_MouseInputEvent::IsMouseInputEvent()";
  if (!IsInputEvent(resource))
    return PP_FALSE;  // Prevent warning log in GetType.
  PP_InputEvent_Type type = GetType(resource);
  return PP_FromBool(type == PP_INPUTEVENT_TYPE_MOUSEDOWN ||
                     type == PP_INPUTEVENT_TYPE_MOUSEUP ||
                     type == PP_INPUTEVENT_TYPE_MOUSEMOVE ||
                     type == PP_INPUTEVENT_TYPE_MOUSEENTER ||
                     type == PP_INPUTEVENT_TYPE_MOUSELEAVE ||
                     type == PP_INPUTEVENT_TYPE_CONTEXTMENU);
}

PP_InputEvent_MouseButton GetMouseButton(PP_Resource mouse_event) {
  VLOG(4) << "PPB_MouseInputEvent::GetButton()";
  EnterInputEvent enter(mouse_event, true);
  if (enter.failed())
    return PP_INPUTEVENT_MOUSEBUTTON_NONE;
  return enter.object()->GetMouseButton();
}

PP_Point GetMousePosition(PP_Resource mouse_event) {
  VLOG(4) << "PPB_MouseInputEvent::GetPosition()";
  EnterInputEvent enter(mouse_event, true);
  if (enter.failed())
    return PP_MakePoint(0, 0);
  return enter.object()->GetMousePosition();
}

int32_t GetMouseClickCount(PP_Resource mouse_event) {
  VLOG(4) << "PPB_MouseInputEvent::GetClickCount()";
  EnterInputEvent enter(mouse_event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetMouseClickCount();
}

PP_Point GetMouseMovement(PP_Resource mouse_event) {
  VLOG(4) << "PPB_MouseInputEvent::GetMovement()";
  EnterInputEvent enter(mouse_event, true);
  if (enter.failed())
    return PP_MakePoint(0, 0);
  return enter.object()->GetMouseMovement();
}

const PPB_MouseInputEvent_1_0 g_ppb_mouse_input_event_1_0_thunk = {
  &CreateMouseInputEvent1_0,
  &IsMouseInputEvent,
  &GetMouseButton,
  &GetMousePosition,
  &GetMouseClickCount
};

const PPB_MouseInputEvent g_ppb_mouse_input_event_1_1_thunk = {
  &CreateMouseInputEvent1_1,
  &IsMouseInputEvent,
  &GetMouseButton,
  &GetMousePosition,
  &GetMouseClickCount,
  &GetMouseMovement
};

// Wheel -----------------------------------------------------------------------

PP_Resource CreateWheelInputEvent(PP_Instance instance,
                                  PP_TimeTicks time_stamp,
                                  uint32_t modifiers,
                                  const PP_FloatPoint* wheel_delta,
                                  const PP_FloatPoint* wheel_ticks,
                                  PP_Bool scroll_by_page) {
  VLOG(4) << "PPB_WheelInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateWheelInputEvent(instance, time_stamp,
                                                  modifiers, wheel_delta,
                                                  wheel_ticks, scroll_by_page);
}

PP_Bool IsWheelInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_WheelInputEvent::IsWheelInputEvent()";
  if (!IsInputEvent(resource))
    return PP_FALSE;  // Prevent warning log in GetType.
  PP_InputEvent_Type type = GetType(resource);
  return PP_FromBool(type == PP_INPUTEVENT_TYPE_WHEEL);
}

PP_FloatPoint GetWheelDelta(PP_Resource wheel_event) {
  VLOG(4) << "PPB_WheelInputEvent::GetDelta()";
  EnterInputEvent enter(wheel_event, true);
  if (enter.failed())
    return PP_MakeFloatPoint(0.0f, 0.0f);
  return enter.object()->GetWheelDelta();
}

PP_FloatPoint GetWheelTicks(PP_Resource wheel_event) {
  VLOG(4) << "PPB_WheelInputEvent::GetTicks()";
  EnterInputEvent enter(wheel_event, true);
  if (enter.failed())
    return PP_MakeFloatPoint(0.0f, 0.0f);
  return enter.object()->GetWheelTicks();
}

PP_Bool GetWheelScrollByPage(PP_Resource wheel_event) {
  VLOG(4) << "PPB_WheelInputEvent::GetScrollByPage()";
  EnterInputEvent enter(wheel_event, true);
  if (enter.failed())
    return PP_FALSE;
  return enter.object()->GetWheelScrollByPage();
}

const PPB_WheelInputEvent g_ppb_wheel_input_event_thunk = {
  &CreateWheelInputEvent,
  &IsWheelInputEvent,
  &GetWheelDelta,
  &GetWheelTicks,
  &GetWheelScrollByPage
};

// Keyboard --------------------------------------------------------------------

PP_Resource CreateKeyboardInputEvent_1_0(PP_Instance instance,
                                         PP_InputEvent_Type type,
                                         PP_TimeTicks time_stamp,
                                         uint32_t modifiers,
                                         uint32_t key_code,
                                         struct PP_Var character_text) {
  VLOG(4) << "PPB_KeyboardInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateKeyboardInputEvent_1_0(instance, type,
                                                         time_stamp,
                                                         modifiers, key_code,
                                                         character_text);
}

PP_Resource CreateKeyboardInputEvent_1_2(PP_Instance instance,
                                         PP_InputEvent_Type type,
                                         PP_TimeTicks time_stamp,
                                         uint32_t modifiers,
                                         uint32_t key_code,
                                         struct PP_Var character_text,
                                         struct PP_Var code) {
  VLOG(4) << "PPB_KeyboardInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateKeyboardInputEvent_1_2(instance, type,
                                                         time_stamp,
                                                         modifiers, key_code,
                                                         character_text, code);
}

PP_Bool IsKeyboardInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_KeyboardInputEvent::IsKeyboardInputEvent()";
  if (!IsInputEvent(resource))
    return PP_FALSE;  // Prevent warning log in GetType.
  PP_InputEvent_Type type = GetType(resource);
  return PP_FromBool(type == PP_INPUTEVENT_TYPE_KEYDOWN ||
                     type == PP_INPUTEVENT_TYPE_KEYUP ||
                     type == PP_INPUTEVENT_TYPE_RAWKEYDOWN ||
                     type == PP_INPUTEVENT_TYPE_CHAR);
}

uint32_t GetKeyCode(PP_Resource key_event) {
  VLOG(4) << "PPB_KeyboardInputEvent::GetKeyCode()";
  EnterInputEvent enter(key_event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetKeyCode();
}

PP_Var GetCharacterText(PP_Resource character_event) {
  VLOG(4) << "PPB_KeyboardInputEvent::GetCharacterText()";
  EnterInputEvent enter(character_event, true);
  if (enter.failed())
    return PP_MakeUndefined();
  return enter.object()->GetCharacterText();
}

PP_Var GetCode(PP_Resource key_event) {
  VLOG(4) << "PPB_KeyboardInputEvent::GetCode()";
  EnterInputEvent enter(key_event, true);
  if (enter.failed())
    return PP_MakeUndefined();
  return enter.object()->GetCode();
}

const PPB_KeyboardInputEvent_1_0 g_ppb_keyboard_input_event_1_0_thunk = {
  &CreateKeyboardInputEvent_1_0,
  &IsKeyboardInputEvent,
  &GetKeyCode,
  &GetCharacterText
};

const PPB_KeyboardInputEvent g_ppb_keyboard_input_event_thunk = {
  &CreateKeyboardInputEvent_1_2,
  &IsKeyboardInputEvent,
  &GetKeyCode,
  &GetCharacterText,
  &GetCode
};

// Composition -----------------------------------------------------------------

PP_Resource CreateIMEInputEvent(PP_Instance instance,
                                PP_InputEvent_Type type,
                                PP_TimeTicks time_stamp,
                                PP_Var text,
                                uint32_t segment_number,
                                const uint32_t segment_offsets[],
                                int32_t target_segment,
                                uint32_t selection_start,
                                uint32_t selection_end) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateIMEInputEvent(instance, type, time_stamp,
                                                text, segment_number,
                                                segment_offsets,
                                                target_segment,
                                                selection_start,
                                                selection_end);
}

PP_Bool IsIMEInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::IsIMEInputEvent()";
  if (!IsInputEvent(resource))
    return PP_FALSE;  // Prevent warning log in GetType.
  PP_InputEvent_Type type = GetType(resource);
  return PP_FromBool(type == PP_INPUTEVENT_TYPE_IME_COMPOSITION_START ||
                     type == PP_INPUTEVENT_TYPE_IME_COMPOSITION_UPDATE ||
                     type == PP_INPUTEVENT_TYPE_IME_COMPOSITION_END ||
                     type == PP_INPUTEVENT_TYPE_IME_TEXT);
}

PP_Var GetIMEText(PP_Resource ime_event) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::GetText()";
  return GetCharacterText(ime_event);
}

uint32_t GetIMESegmentNumber(PP_Resource ime_event) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::GetSegmentNumber()";
  EnterInputEvent enter(ime_event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetIMESegmentNumber();
}

uint32_t GetIMESegmentOffset(PP_Resource ime_event, uint32_t index) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::GetSegmentOffset()";
  EnterInputEvent enter(ime_event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetIMESegmentOffset(index);
}

int32_t GetIMETargetSegment(PP_Resource ime_event) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::GetTargetSegment()";
  EnterInputEvent enter(ime_event, true);
  if (enter.failed())
    return -1;
  return enter.object()->GetIMETargetSegment();
}

void GetIMESelection(PP_Resource ime_event, uint32_t* start, uint32_t* end) {
  VLOG(4) << "PPB_IMEInputEvent_Dev::GetSelection()";
  EnterInputEvent enter(ime_event, true);
  if (enter.failed()) {
    if (start)
      *start = 0;
    if (end)
      *end = 0;
    return;
  }
  enter.object()->GetIMESelection(start, end);
}

const PPB_IMEInputEvent_Dev_0_1 g_ppb_ime_input_event_0_1_thunk = {
  &IsIMEInputEvent,
  &GetIMEText,
  &GetIMESegmentNumber,
  &GetIMESegmentOffset,
  &GetIMETargetSegment,
  &GetIMESelection
};

const PPB_IMEInputEvent_Dev_0_2 g_ppb_ime_input_event_0_2_thunk = {
  &CreateIMEInputEvent,
  &IsIMEInputEvent,
  &GetIMEText,
  &GetIMESegmentNumber,
  &GetIMESegmentOffset,
  &GetIMETargetSegment,
  &GetIMESelection
};

const PPB_IMEInputEvent_1_0 g_ppb_ime_input_event_1_0_thunk = {
  &CreateIMEInputEvent,
  &IsIMEInputEvent,
  &GetIMEText,
  &GetIMESegmentNumber,
  &GetIMESegmentOffset,
  &GetIMETargetSegment,
  &GetIMESelection
};

// Touch -----------------------------------------------------------------------

PP_Resource CreateTouchInputEvent(PP_Instance instance,
                                  PP_InputEvent_Type type,
                                  PP_TimeTicks time_stamp,
                                  uint32_t modifiers) {
  VLOG(4) << "PPB_TouchInputEvent::Create()";
  EnterResourceCreation enter(instance);
  if (enter.failed())
    return 0;
  return enter.functions()->CreateTouchInputEvent(instance, type, time_stamp,
                                                  modifiers);
}

void AddTouchPoint(PP_Resource touch_event,
                   PP_TouchListType list,
                   const PP_TouchPoint* point) {
  VLOG(4) << "PPB_TouchInputEvent::AddTouchPoint()";
  EnterInputEvent enter(touch_event, true);
  if (enter.failed())
    return;
  return enter.object()->AddTouchPoint(list, *point);
}

PP_Bool IsTouchInputEvent(PP_Resource resource) {
  VLOG(4) << "PPB_TouchInputEvent::IsTouchInputEvent()";
  if (!IsInputEvent(resource))
    return PP_FALSE;  // Prevent warning log in GetType.
  PP_InputEvent_Type type = GetType(resource);
  return PP_FromBool(type == PP_INPUTEVENT_TYPE_TOUCHSTART ||
                     type == PP_INPUTEVENT_TYPE_TOUCHMOVE ||
                     type == PP_INPUTEVENT_TYPE_TOUCHEND ||
                     type == PP_INPUTEVENT_TYPE_TOUCHCANCEL);
}

uint32_t GetTouchCount(PP_Resource touch_event, PP_TouchListType list) {
  VLOG(4) << "PPB_TouchInputEvent::GetTouchCount()";
  EnterInputEvent enter(touch_event, true);
  if (enter.failed())
    return 0;
  return enter.object()->GetTouchCount(list);
}

struct PP_TouchPoint GetTouchByIndex(PP_Resource touch_event,
                                     PP_TouchListType list,
                                     uint32_t index) {
  VLOG(4) << "PPB_TouchInputEvent::GetTouchByIndex()";
  EnterInputEvent enter(touch_event, true);
  if (enter.failed())
    return PP_MakeTouchPoint();
  return enter.object()->GetTouchByIndex(list, index);
}

struct PP_TouchPoint GetTouchById(PP_Resource touch_event,
                                  PP_TouchListType list,
                                  uint32_t id) {
  VLOG(4) << "PPB_TouchInputEvent::GetTouchById()";
  EnterInputEvent enter(touch_event, true);
  if (enter.failed())
    return PP_MakeTouchPoint();
  return enter.object()->GetTouchById(list, id);
}

const PPB_TouchInputEvent_1_0 g_ppb_touch_input_event_thunk = {
  &CreateTouchInputEvent,
  &AddTouchPoint,
  &IsTouchInputEvent,
  &GetTouchCount,
  &GetTouchByIndex,
  &GetTouchById
};

}  // namespace

const PPB_InputEvent_1_0* GetPPB_InputEvent_1_0_Thunk() {
  return &g_ppb_input_event_thunk;
}

const PPB_MouseInputEvent_1_0* GetPPB_MouseInputEvent_1_0_Thunk() {
  return &g_ppb_mouse_input_event_1_0_thunk;
}

const PPB_MouseInputEvent_1_1* GetPPB_MouseInputEvent_1_1_Thunk() {
  return &g_ppb_mouse_input_event_1_1_thunk;
}

const PPB_KeyboardInputEvent_1_0* GetPPB_KeyboardInputEvent_1_0_Thunk() {
  return &g_ppb_keyboard_input_event_1_0_thunk;
}

const PPB_KeyboardInputEvent_1_2* GetPPB_KeyboardInputEvent_1_2_Thunk() {
  return &g_ppb_keyboard_input_event_thunk;
}

const PPB_WheelInputEvent_1_0* GetPPB_WheelInputEvent_1_0_Thunk() {
  return &g_ppb_wheel_input_event_thunk;
}

const PPB_IMEInputEvent_Dev_0_1* GetPPB_IMEInputEvent_Dev_0_1_Thunk() {
  return &g_ppb_ime_input_event_0_1_thunk;
}

const PPB_IMEInputEvent_Dev_0_2* GetPPB_IMEInputEvent_Dev_0_2_Thunk() {
  return &g_ppb_ime_input_event_0_2_thunk;
}

const PPB_IMEInputEvent_1_0* GetPPB_IMEInputEvent_1_0_Thunk() {
  return &g_ppb_ime_input_event_1_0_thunk;
}

const PPB_TouchInputEvent_1_0* GetPPB_TouchInputEvent_1_0_Thunk() {
  return &g_ppb_touch_input_event_thunk;
}

}  // namespace thunk
}  // namespace ppapi
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