src/ppapi/cpp/input_event.cc

   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 #include "ppapi/cpp/input_event.h"
   6
   7 #include "ppapi/cpp/instance_handle.h"
   8 #include "ppapi/cpp/module.h"
   9 #include "ppapi/cpp/module_impl.h"
  10 #include "ppapi/cpp/point.h"
  11 #include "ppapi/cpp/touch_point.h"
  12 #include "ppapi/cpp/var.h"
  13
  14 namespace pp {
  15
  16 namespace {
  17
  18 template <> const char* interface_name<PPB_InputEvent_1_0>() {
  19   return PPB_INPUT_EVENT_INTERFACE_1_0;
  20 }
  21
  22 template <> const char* interface_name<PPB_KeyboardInputEvent_1_0>() {
  23   return PPB_KEYBOARD_INPUT_EVENT_INTERFACE_1_0;
  24 }
  25
  26 template <> const char* interface_name<PPB_MouseInputEvent_1_1>() {
  27   return PPB_MOUSE_INPUT_EVENT_INTERFACE_1_1;
  28 }
  29
  30 template <> const char* interface_name<PPB_WheelInputEvent_1_0>() {
  31   return PPB_WHEEL_INPUT_EVENT_INTERFACE_1_0;
  32 }
  33
  34 template <> const char* interface_name<PPB_TouchInputEvent_1_0>() {
  35   return PPB_TOUCH_INPUT_EVENT_INTERFACE_1_0;
  36 }
  37
  38 template <> const char* interface_name<PPB_IMEInputEvent_1_0>() {
  39   return PPB_IME_INPUT_EVENT_INTERFACE_1_0;
  40 }
  41
  42 }  // namespace
  43
  44 // InputEvent ------------------------------------------------------------------
  45
  46 InputEvent::InputEvent() : Resource() {
  47 }
  48
  49 InputEvent::InputEvent(PP_Resource input_event_resource) : Resource() {
  50   // Type check the input event before setting it.
  51   if (!has_interface<PPB_InputEvent_1_0>())
  52     return;
  53   if (get_interface<PPB_InputEvent_1_0>()->IsInputEvent(input_event_resource)) {
  54     Module::Get()->core()->AddRefResource(input_event_resource);
  55     PassRefFromConstructor(input_event_resource);
  56   }
  57 }
  58
  59 InputEvent::~InputEvent() {
  60 }
  61
  62 PP_InputEvent_Type InputEvent::GetType() const {
  63   if (!has_interface<PPB_InputEvent_1_0>())
  64     return PP_INPUTEVENT_TYPE_UNDEFINED;
  65   return get_interface<PPB_InputEvent_1_0>()->GetType(pp_resource());
  66 }
  67
  68 PP_TimeTicks InputEvent::GetTimeStamp() const {
  69   if (!has_interface<PPB_InputEvent_1_0>())
  70     return 0.0f;
  71   return get_interface<PPB_InputEvent_1_0>()->GetTimeStamp(pp_resource());
  72 }
  73
  74 uint32_t InputEvent::GetModifiers() const {
  75   if (!has_interface<PPB_InputEvent_1_0>())
  76     return 0;
  77   return get_interface<PPB_InputEvent_1_0>()->GetModifiers(pp_resource());
  78 }
  79
  80 // MouseInputEvent -------------------------------------------------------------
  81
  82 MouseInputEvent::MouseInputEvent() : InputEvent() {
  83 }
  84
  85 MouseInputEvent::MouseInputEvent(const InputEvent& event) : InputEvent() {
  86   // Type check the input event before setting it.
  87   if (!has_interface<PPB_MouseInputEvent_1_1>())
  88     return;
  89   if (get_interface<PPB_MouseInputEvent_1_1>()->IsMouseInputEvent(
  90           event.pp_resource())) {
  91     Module::Get()->core()->AddRefResource(event.pp_resource());
  92     PassRefFromConstructor(event.pp_resource());
  93   }
  94 }
  95
  96 MouseInputEvent::MouseInputEvent(const InstanceHandle& instance,
  97                                  PP_InputEvent_Type type,
  98                                  PP_TimeTicks time_stamp,
  99                                  uint32_t modifiers,
 100                                  PP_InputEvent_MouseButton mouse_button,
 101                                  const Point& mouse_position,
 102                                  int32_t click_count,
 103                                  const Point& mouse_movement) {
 104   // Type check the input event before setting it.
 105   if (!has_interface<PPB_MouseInputEvent_1_1>())
 106     return;
 107   PassRefFromConstructor(get_interface<PPB_MouseInputEvent_1_1>()->Create(
 108       instance.pp_instance(), type, time_stamp, modifiers, mouse_button,
 109       &mouse_position.pp_point(), click_count, &mouse_movement.pp_point()));
 110 }
 111
 112 PP_InputEvent_MouseButton MouseInputEvent::GetButton() const {
 113   if (!has_interface<PPB_MouseInputEvent_1_1>())
 114     return PP_INPUTEVENT_MOUSEBUTTON_NONE;
 115   return get_interface<PPB_MouseInputEvent_1_1>()->GetButton(pp_resource());
 116 }
 117
 118 Point MouseInputEvent::GetPosition() const {
 119   if (!has_interface<PPB_MouseInputEvent_1_1>())
 120     return Point();
 121   return get_interface<PPB_MouseInputEvent_1_1>()->GetPosition(pp_resource());
 122 }
 123
 124 int32_t MouseInputEvent::GetClickCount() const {
 125   if (!has_interface<PPB_MouseInputEvent_1_1>())
 126     return 0;
 127   return get_interface<PPB_MouseInputEvent_1_1>()->GetClickCount(pp_resource());
 128 }
 129
 130 Point MouseInputEvent::GetMovement() const {
 131   if (!has_interface<PPB_MouseInputEvent_1_1>())
 132     return Point();
 133   return get_interface<PPB_MouseInputEvent_1_1>()->GetMovement(pp_resource());
 134 }
 135
 136 // WheelInputEvent -------------------------------------------------------------
 137
 138 WheelInputEvent::WheelInputEvent() : InputEvent() {
 139 }
 140
 141 WheelInputEvent::WheelInputEvent(const InputEvent& event) : InputEvent() {
 142   // Type check the input event before setting it.
 143   if (!has_interface<PPB_WheelInputEvent_1_0>())
 144     return;
 145   if (get_interface<PPB_WheelInputEvent_1_0>()->IsWheelInputEvent(
 146           event.pp_resource())) {
 147     Module::Get()->core()->AddRefResource(event.pp_resource());
 148     PassRefFromConstructor(event.pp_resource());
 149   }
 150 }
 151
 152 WheelInputEvent::WheelInputEvent(const InstanceHandle& instance,
 153                                  PP_TimeTicks time_stamp,
 154                                  uint32_t modifiers,
 155                                  const FloatPoint& wheel_delta,
 156                                  const FloatPoint& wheel_ticks,
 157                                  bool scroll_by_page) {
 158   // Type check the input event before setting it.
 159   if (!has_interface<PPB_WheelInputEvent_1_0>())
 160     return;
 161   PassRefFromConstructor(get_interface<PPB_WheelInputEvent_1_0>()->Create(
 162       instance.pp_instance(), time_stamp, modifiers,
 163       &wheel_delta.pp_float_point(), &wheel_ticks.pp_float_point(),
 164       PP_FromBool(scroll_by_page)));
 165 }
 166
 167 FloatPoint WheelInputEvent::GetDelta() const {
 168   if (!has_interface<PPB_WheelInputEvent_1_0>())
 169     return FloatPoint();
 170   return get_interface<PPB_WheelInputEvent_1_0>()->GetDelta(pp_resource());
 171 }
 172
 173 FloatPoint WheelInputEvent::GetTicks() const {
 174   if (!has_interface<PPB_WheelInputEvent_1_0>())
 175     return FloatPoint();
 176   return get_interface<PPB_WheelInputEvent_1_0>()->GetTicks(pp_resource());
 177 }
 178
 179 bool WheelInputEvent::GetScrollByPage() const {
 180   if (!has_interface<PPB_WheelInputEvent_1_0>())
 181     return false;
 182   return PP_ToBool(
 183       get_interface<PPB_WheelInputEvent_1_0>()->GetScrollByPage(pp_resource()));
 184 }
 185
 186 // KeyboardInputEvent ----------------------------------------------------------
 187
 188 KeyboardInputEvent::KeyboardInputEvent() : InputEvent() {
 189 }
 190
 191 KeyboardInputEvent::KeyboardInputEvent(const InputEvent& event) : InputEvent() {
 192   // Type check the input event before setting it.
 193   if (!has_interface<PPB_KeyboardInputEvent_1_0>())
 194     return;
 195   if (get_interface<PPB_KeyboardInputEvent_1_0>()->IsKeyboardInputEvent(
 196           event.pp_resource())) {
 197     Module::Get()->core()->AddRefResource(event.pp_resource());
 198     PassRefFromConstructor(event.pp_resource());
 199   }
 200 }
 201
 202 KeyboardInputEvent::KeyboardInputEvent(const InstanceHandle& instance,
 203                                        PP_InputEvent_Type type,
 204                                        PP_TimeTicks time_stamp,
 205                                        uint32_t modifiers,
 206                                        uint32_t key_code,
 207                                        const Var& character_text) {
 208   // Type check the input event before setting it.
 209   if (!has_interface<PPB_KeyboardInputEvent_1_0>())
 210     return;
 211   PassRefFromConstructor(get_interface<PPB_KeyboardInputEvent_1_0>()->Create(
 212       instance.pp_instance(), type, time_stamp, modifiers, key_code,
 213       character_text.pp_var()));
 214 }
 215
 216 uint32_t KeyboardInputEvent::GetKeyCode() const {
 217   if (!has_interface<PPB_KeyboardInputEvent_1_0>())
 218     return 0;
 219   return get_interface<PPB_KeyboardInputEvent_1_0>()->GetKeyCode(pp_resource());
 220 }
 221
 222 Var KeyboardInputEvent::GetCharacterText() const {
 223   if (!has_interface<PPB_KeyboardInputEvent_1_0>())
 224     return Var();
 225   return Var(PASS_REF,
 226              get_interface<PPB_KeyboardInputEvent_1_0>()->GetCharacterText(
 227                  pp_resource()));
 228 }
 229
 230 // TouchInputEvent ------------------------------------------------------------
 231 TouchInputEvent::TouchInputEvent() : InputEvent() {
 232 }
 233
 234 TouchInputEvent::TouchInputEvent(const InputEvent& event) : InputEvent() {
 235   if (!has_interface<PPB_TouchInputEvent_1_0>())
 236     return;
 237   // Type check the input event before setting it.
 238   if (get_interface<PPB_TouchInputEvent_1_0>()->IsTouchInputEvent(
 239       event.pp_resource())) {
 240     Module::Get()->core()->AddRefResource(event.pp_resource());
 241     PassRefFromConstructor(event.pp_resource());
 242   }
 243 }
 244
 245 TouchInputEvent::TouchInputEvent(const InstanceHandle& instance,
 246                                  PP_InputEvent_Type type,
 247                                  PP_TimeTicks time_stamp,
 248                                  uint32_t modifiers) {
 249   // Type check the input event before setting it.
 250   if (!has_interface<PPB_TouchInputEvent_1_0>())
 251     return;
 252   PassRefFromConstructor(get_interface<PPB_TouchInputEvent_1_0>()->Create(
 253       instance.pp_instance(), type, time_stamp, modifiers));
 254 }
 255
 256 void TouchInputEvent::AddTouchPoint(PP_TouchListType list,
 257                                     PP_TouchPoint point) {
 258   if (!has_interface<PPB_TouchInputEvent_1_0>())
 259     return;
 260   get_interface<PPB_TouchInputEvent_1_0>()->AddTouchPoint(pp_resource(), list,
 261                                                           &point);
 262 }
 263
 264 uint32_t TouchInputEvent::GetTouchCount(PP_TouchListType list) const {
 265   if (!has_interface<PPB_TouchInputEvent_1_0>())
 266     return 0;
 267   return get_interface<PPB_TouchInputEvent_1_0>()->GetTouchCount(pp_resource(),
 268                                                                  list);
 269 }
 270
 271 TouchPoint TouchInputEvent::GetTouchById(PP_TouchListType list,
 272                                              uint32_t id) const {
 273   if (!has_interface<PPB_TouchInputEvent_1_0>())
 274     return TouchPoint();
 275   return TouchPoint(get_interface<PPB_TouchInputEvent_1_0>()->
 276                         GetTouchById(pp_resource(), list, id));
 277 }
 278
 279 TouchPoint TouchInputEvent::GetTouchByIndex(PP_TouchListType list,
 280                                                 uint32_t index) const {
 281   if (!has_interface<PPB_TouchInputEvent_1_0>())
 282     return TouchPoint();
 283   return TouchPoint(get_interface<PPB_TouchInputEvent_1_0>()->
 284                         GetTouchByIndex(pp_resource(), list, index));
 285 }
 286
 287 // IMEInputEvent -------------------------------------------------------
 288
 289 IMEInputEvent::IMEInputEvent() : InputEvent() {
 290 }
 291
 292 IMEInputEvent::IMEInputEvent(const InputEvent& event) : InputEvent() {
 293   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 294     if (get_interface<PPB_IMEInputEvent_1_0>()->IsIMEInputEvent(
 295             event.pp_resource())) {
 296       Module::Get()->core()->AddRefResource(event.pp_resource());
 297       PassRefFromConstructor(event.pp_resource());
 298     }
 299   }
 300 }
 301
 302 IMEInputEvent::IMEInputEvent(
 303     const InstanceHandle& instance,
 304     PP_InputEvent_Type type,
 305     PP_TimeTicks time_stamp,
 306     const Var& text,
 307     const std::vector<uint32_t>& segment_offsets,
 308     int32_t target_segment,
 309     const std::pair<uint32_t, uint32_t>& selection) : InputEvent() {
 310   if (!has_interface<PPB_IMEInputEvent_1_0>())
 311     return;
 312   uint32_t dummy = 0;
 313   PassRefFromConstructor(get_interface<PPB_IMEInputEvent_1_0>()->Create(
 314       instance.pp_instance(), type, time_stamp, text.pp_var(),
 315       segment_offsets.empty() ? 0 : segment_offsets.size() - 1,
 316       segment_offsets.empty() ? &dummy : &segment_offsets[0],
 317       target_segment, selection.first, selection.second));
 318 }
 319
 320
 321 Var IMEInputEvent::GetText() const {
 322   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 323     return Var(PASS_REF,
 324                get_interface<PPB_IMEInputEvent_1_0>()->GetText(
 325                    pp_resource()));
 326   }
 327   return Var();
 328 }
 329
 330 uint32_t IMEInputEvent::GetSegmentNumber() const {
 331   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 332     return get_interface<PPB_IMEInputEvent_1_0>()->GetSegmentNumber(
 333         pp_resource());
 334   }
 335   return 0;
 336 }
 337
 338 uint32_t IMEInputEvent::GetSegmentOffset(uint32_t index) const {
 339   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 340     return get_interface<PPB_IMEInputEvent_1_0>()->GetSegmentOffset(
 341         pp_resource(), index);
 342   }
 343   return 0;
 344 }
 345
 346 int32_t IMEInputEvent::GetTargetSegment() const {
 347   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 348     return get_interface<PPB_IMEInputEvent_1_0>()->GetTargetSegment(
 349         pp_resource());
 350   }
 351   return 0;
 352 }
 353
 354 void IMEInputEvent::GetSelection(uint32_t* start, uint32_t* end) const {
 355   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 356     get_interface<PPB_IMEInputEvent_1_0>()->GetSelection(pp_resource(),
 357                                                          start,
 358                                                          end);
 359   }
 360 }
 361
 362 }  // namespace pp