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_2>() {
  23   return PPB_KEYBOARD_INPUT_EVENT_INTERFACE_1_2;
  24 }
  25
  26 template <> const char* interface_name<PPB_KeyboardInputEvent_1_0>() {
  27   return PPB_KEYBOARD_INPUT_EVENT_INTERFACE_1_0;
  28 }
  29
  30 template <> const char* interface_name<PPB_MouseInputEvent_1_1>() {
  31   return PPB_MOUSE_INPUT_EVENT_INTERFACE_1_1;
  32 }
  33
  34 template <> const char* interface_name<PPB_WheelInputEvent_1_0>() {
  35   return PPB_WHEEL_INPUT_EVENT_INTERFACE_1_0;
  36 }
  37
  38 template <> const char* interface_name<PPB_TouchInputEvent_1_0>() {
  39   return PPB_TOUCH_INPUT_EVENT_INTERFACE_1_0;
  40 }
  41
  42 template <> const char* interface_name<PPB_IMEInputEvent_1_0>() {
  43   return PPB_IME_INPUT_EVENT_INTERFACE_1_0;
  44 }
  45
  46 }  // namespace
  47
  48 // InputEvent ------------------------------------------------------------------
  49
  50 InputEvent::InputEvent() : Resource() {
  51 }
  52
  53 InputEvent::InputEvent(PP_Resource input_event_resource) : Resource() {
  54   // Type check the input event before setting it.
  55   if (!has_interface<PPB_InputEvent_1_0>())
  56     return;
  57   if (get_interface<PPB_InputEvent_1_0>()->IsInputEvent(input_event_resource)) {
  58     Module::Get()->core()->AddRefResource(input_event_resource);
  59     PassRefFromConstructor(input_event_resource);
  60   }
  61 }
  62
  63 InputEvent::~InputEvent() {
  64 }
  65
  66 PP_InputEvent_Type InputEvent::GetType() const {
  67   if (!has_interface<PPB_InputEvent_1_0>())
  68     return PP_INPUTEVENT_TYPE_UNDEFINED;
  69   return get_interface<PPB_InputEvent_1_0>()->GetType(pp_resource());
  70 }
  71
  72 PP_TimeTicks InputEvent::GetTimeStamp() const {
  73   if (!has_interface<PPB_InputEvent_1_0>())
  74     return 0.0f;
  75   return get_interface<PPB_InputEvent_1_0>()->GetTimeStamp(pp_resource());
  76 }
  77
  78 uint32_t InputEvent::GetModifiers() const {
  79   if (!has_interface<PPB_InputEvent_1_0>())
  80     return 0;
  81   return get_interface<PPB_InputEvent_1_0>()->GetModifiers(pp_resource());
  82 }
  83
  84 // MouseInputEvent -------------------------------------------------------------
  85
  86 MouseInputEvent::MouseInputEvent() : InputEvent() {
  87 }
  88
  89 MouseInputEvent::MouseInputEvent(const InputEvent& event) : InputEvent() {
  90   // Type check the input event before setting it.
  91   if (!has_interface<PPB_MouseInputEvent_1_1>())
  92     return;
  93   if (get_interface<PPB_MouseInputEvent_1_1>()->IsMouseInputEvent(
  94           event.pp_resource())) {
  95     Module::Get()->core()->AddRefResource(event.pp_resource());
  96     PassRefFromConstructor(event.pp_resource());
  97   }
  98 }
  99
 100 MouseInputEvent::MouseInputEvent(const InstanceHandle& instance,
 101                                  PP_InputEvent_Type type,
 102                                  PP_TimeTicks time_stamp,
 103                                  uint32_t modifiers,
 104                                  PP_InputEvent_MouseButton mouse_button,
 105                                  const Point& mouse_position,
 106                                  int32_t click_count,
 107                                  const Point& mouse_movement) {
 108   // Type check the input event before setting it.
 109   if (!has_interface<PPB_MouseInputEvent_1_1>())
 110     return;
 111   PassRefFromConstructor(get_interface<PPB_MouseInputEvent_1_1>()->Create(
 112       instance.pp_instance(), type, time_stamp, modifiers, mouse_button,
 113       &mouse_position.pp_point(), click_count, &mouse_movement.pp_point()));
 114 }
 115
 116 PP_InputEvent_MouseButton MouseInputEvent::GetButton() const {
 117   if (!has_interface<PPB_MouseInputEvent_1_1>())
 118     return PP_INPUTEVENT_MOUSEBUTTON_NONE;
 119   return get_interface<PPB_MouseInputEvent_1_1>()->GetButton(pp_resource());
 120 }
 121
 122 Point MouseInputEvent::GetPosition() const {
 123   if (!has_interface<PPB_MouseInputEvent_1_1>())
 124     return Point();
 125   return get_interface<PPB_MouseInputEvent_1_1>()->GetPosition(pp_resource());
 126 }
 127
 128 int32_t MouseInputEvent::GetClickCount() const {
 129   if (!has_interface<PPB_MouseInputEvent_1_1>())
 130     return 0;
 131   return get_interface<PPB_MouseInputEvent_1_1>()->GetClickCount(pp_resource());
 132 }
 133
 134 Point MouseInputEvent::GetMovement() const {
 135   if (!has_interface<PPB_MouseInputEvent_1_1>())
 136     return Point();
 137   return get_interface<PPB_MouseInputEvent_1_1>()->GetMovement(pp_resource());
 138 }
 139
 140 // WheelInputEvent -------------------------------------------------------------
 141
 142 WheelInputEvent::WheelInputEvent() : InputEvent() {
 143 }
 144
 145 WheelInputEvent::WheelInputEvent(const InputEvent& event) : InputEvent() {
 146   // Type check the input event before setting it.
 147   if (!has_interface<PPB_WheelInputEvent_1_0>())
 148     return;
 149   if (get_interface<PPB_WheelInputEvent_1_0>()->IsWheelInputEvent(
 150           event.pp_resource())) {
 151     Module::Get()->core()->AddRefResource(event.pp_resource());
 152     PassRefFromConstructor(event.pp_resource());
 153   }
 154 }
 155
 156 WheelInputEvent::WheelInputEvent(const InstanceHandle& instance,
 157                                  PP_TimeTicks time_stamp,
 158                                  uint32_t modifiers,
 159                                  const FloatPoint& wheel_delta,
 160                                  const FloatPoint& wheel_ticks,
 161                                  bool scroll_by_page) {
 162   // Type check the input event before setting it.
 163   if (!has_interface<PPB_WheelInputEvent_1_0>())
 164     return;
 165   PassRefFromConstructor(get_interface<PPB_WheelInputEvent_1_0>()->Create(
 166       instance.pp_instance(), time_stamp, modifiers,
 167       &wheel_delta.pp_float_point(), &wheel_ticks.pp_float_point(),
 168       PP_FromBool(scroll_by_page)));
 169 }
 170
 171 FloatPoint WheelInputEvent::GetDelta() const {
 172   if (!has_interface<PPB_WheelInputEvent_1_0>())
 173     return FloatPoint();
 174   return get_interface<PPB_WheelInputEvent_1_0>()->GetDelta(pp_resource());
 175 }
 176
 177 FloatPoint WheelInputEvent::GetTicks() const {
 178   if (!has_interface<PPB_WheelInputEvent_1_0>())
 179     return FloatPoint();
 180   return get_interface<PPB_WheelInputEvent_1_0>()->GetTicks(pp_resource());
 181 }
 182
 183 bool WheelInputEvent::GetScrollByPage() const {
 184   if (!has_interface<PPB_WheelInputEvent_1_0>())
 185     return false;
 186   return PP_ToBool(
 187       get_interface<PPB_WheelInputEvent_1_0>()->GetScrollByPage(pp_resource()));
 188 }
 189
 190 // KeyboardInputEvent ----------------------------------------------------------
 191
 192 KeyboardInputEvent::KeyboardInputEvent() : InputEvent() {
 193 }
 194
 195 KeyboardInputEvent::KeyboardInputEvent(const InputEvent& event) : InputEvent() {
 196   PP_Bool is_keyboard_event = PP_FALSE;
 197
 198   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 199     is_keyboard_event =
 200         get_interface<PPB_KeyboardInputEvent_1_2>()->IsKeyboardInputEvent(
 201             event.pp_resource());
 202   } else if (has_interface<PPB_KeyboardInputEvent_1_0>()) {
 203     is_keyboard_event =
 204         get_interface<PPB_KeyboardInputEvent_1_0>()->IsKeyboardInputEvent(
 205             event.pp_resource());
 206   }
 207
 208   if (PP_ToBool(is_keyboard_event)) {
 209     Module::Get()->core()->AddRefResource(event.pp_resource());
 210     PassRefFromConstructor(event.pp_resource());
 211   }
 212 }
 213
 214 KeyboardInputEvent::KeyboardInputEvent(const InstanceHandle& instance,
 215                                        PP_InputEvent_Type type,
 216                                        PP_TimeTicks time_stamp,
 217                                        uint32_t modifiers,
 218                                        uint32_t key_code,
 219                                        const Var& character_text) {
 220   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 221     PassRefFromConstructor(get_interface<PPB_KeyboardInputEvent_1_2>()->Create(
 222         instance.pp_instance(), type, time_stamp, modifiers, key_code,
 223         character_text.pp_var(), Var().pp_var()));
 224   } else if (has_interface<PPB_KeyboardInputEvent_1_0>()) {
 225     PassRefFromConstructor(get_interface<PPB_KeyboardInputEvent_1_0>()->Create(
 226         instance.pp_instance(), type, time_stamp, modifiers, key_code,
 227         character_text.pp_var()));
 228   }
 229 }
 230
 231 KeyboardInputEvent::KeyboardInputEvent(const InstanceHandle& instance,
 232                                        PP_InputEvent_Type type,
 233                                        PP_TimeTicks time_stamp,
 234                                        uint32_t modifiers,
 235                                        uint32_t key_code,
 236                                        const Var& character_text,
 237                                        const Var& code) {
 238   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 239     PassRefFromConstructor(get_interface<PPB_KeyboardInputEvent_1_2>()->Create(
 240         instance.pp_instance(), type, time_stamp, modifiers, key_code,
 241         character_text.pp_var(), code.pp_var()));
 242   } else if (has_interface<PPB_KeyboardInputEvent_1_0>()) {
 243     PassRefFromConstructor(get_interface<PPB_KeyboardInputEvent_1_0>()->Create(
 244         instance.pp_instance(), type, time_stamp, modifiers, key_code,
 245         character_text.pp_var()));
 246   }
 247 }
 248
 249 uint32_t KeyboardInputEvent::GetKeyCode() const {
 250   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 251     return get_interface<PPB_KeyboardInputEvent_1_2>()->GetKeyCode(
 252         pp_resource());
 253   } else if (has_interface<PPB_KeyboardInputEvent_1_0>()) {
 254     return get_interface<PPB_KeyboardInputEvent_1_0>()->GetKeyCode(
 255         pp_resource());
 256   }
 257   return 0;
 258 }
 259
 260 Var KeyboardInputEvent::GetCharacterText() const {
 261   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 262     return Var(PASS_REF,
 263                get_interface<PPB_KeyboardInputEvent_1_2>()->GetCharacterText(
 264                    pp_resource()));
 265   } else if (has_interface<PPB_KeyboardInputEvent_1_0>()) {
 266     return Var(PASS_REF,
 267                get_interface<PPB_KeyboardInputEvent_1_0>()->GetCharacterText(
 268                  pp_resource()));
 269   }
 270   return Var();
 271 }
 272
 273 Var KeyboardInputEvent::GetCode() const {
 274   if (has_interface<PPB_KeyboardInputEvent_1_2>()) {
 275     return Var(PASS_REF,
 276                get_interface<PPB_KeyboardInputEvent_1_2>()->GetCode(
 277                    pp_resource()));
 278   }
 279   return Var();
 280 }
 281
 282 // TouchInputEvent ------------------------------------------------------------
 283 TouchInputEvent::TouchInputEvent() : InputEvent() {
 284 }
 285
 286 TouchInputEvent::TouchInputEvent(const InputEvent& event) : InputEvent() {
 287   if (!has_interface<PPB_TouchInputEvent_1_0>())
 288     return;
 289   // Type check the input event before setting it.
 290   if (get_interface<PPB_TouchInputEvent_1_0>()->IsTouchInputEvent(
 291       event.pp_resource())) {
 292     Module::Get()->core()->AddRefResource(event.pp_resource());
 293     PassRefFromConstructor(event.pp_resource());
 294   }
 295 }
 296
 297 TouchInputEvent::TouchInputEvent(const InstanceHandle& instance,
 298                                  PP_InputEvent_Type type,
 299                                  PP_TimeTicks time_stamp,
 300                                  uint32_t modifiers) {
 301   // Type check the input event before setting it.
 302   if (!has_interface<PPB_TouchInputEvent_1_0>())
 303     return;
 304   PassRefFromConstructor(get_interface<PPB_TouchInputEvent_1_0>()->Create(
 305       instance.pp_instance(), type, time_stamp, modifiers));
 306 }
 307
 308 void TouchInputEvent::AddTouchPoint(PP_TouchListType list,
 309                                     PP_TouchPoint point) {
 310   if (!has_interface<PPB_TouchInputEvent_1_0>())
 311     return;
 312   get_interface<PPB_TouchInputEvent_1_0>()->AddTouchPoint(pp_resource(), list,
 313                                                           &point);
 314 }
 315
 316 uint32_t TouchInputEvent::GetTouchCount(PP_TouchListType list) const {
 317   if (!has_interface<PPB_TouchInputEvent_1_0>())
 318     return 0;
 319   return get_interface<PPB_TouchInputEvent_1_0>()->GetTouchCount(pp_resource(),
 320                                                                  list);
 321 }
 322
 323 TouchPoint TouchInputEvent::GetTouchById(PP_TouchListType list,
 324                                              uint32_t id) const {
 325   if (!has_interface<PPB_TouchInputEvent_1_0>())
 326     return TouchPoint();
 327   return TouchPoint(get_interface<PPB_TouchInputEvent_1_0>()->
 328                         GetTouchById(pp_resource(), list, id));
 329 }
 330
 331 TouchPoint TouchInputEvent::GetTouchByIndex(PP_TouchListType list,
 332                                                 uint32_t index) const {
 333   if (!has_interface<PPB_TouchInputEvent_1_0>())
 334     return TouchPoint();
 335   return TouchPoint(get_interface<PPB_TouchInputEvent_1_0>()->
 336                         GetTouchByIndex(pp_resource(), list, index));
 337 }
 338
 339 // IMEInputEvent -------------------------------------------------------
 340
 341 IMEInputEvent::IMEInputEvent() : InputEvent() {
 342 }
 343
 344 IMEInputEvent::IMEInputEvent(const InputEvent& event) : InputEvent() {
 345   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 346     if (get_interface<PPB_IMEInputEvent_1_0>()->IsIMEInputEvent(
 347             event.pp_resource())) {
 348       Module::Get()->core()->AddRefResource(event.pp_resource());
 349       PassRefFromConstructor(event.pp_resource());
 350     }
 351   }
 352 }
 353
 354 IMEInputEvent::IMEInputEvent(
 355     const InstanceHandle& instance,
 356     PP_InputEvent_Type type,
 357     PP_TimeTicks time_stamp,
 358     const Var& text,
 359     const std::vector<uint32_t>& segment_offsets,
 360     int32_t target_segment,
 361     const std::pair<uint32_t, uint32_t>& selection) : InputEvent() {
 362   if (!has_interface<PPB_IMEInputEvent_1_0>())
 363     return;
 364   uint32_t dummy = 0;
 365   PassRefFromConstructor(get_interface<PPB_IMEInputEvent_1_0>()->Create(
 366       instance.pp_instance(), type, time_stamp, text.pp_var(),
 367       segment_offsets.empty() ? 0u :
 368           static_cast<uint32_t>(segment_offsets.size() - 1),
 369       segment_offsets.empty() ? &dummy : &segment_offsets[0],
 370       target_segment, selection.first, selection.second));
 371 }
 372
 373
 374 Var IMEInputEvent::GetText() const {
 375   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 376     return Var(PASS_REF,
 377                get_interface<PPB_IMEInputEvent_1_0>()->GetText(
 378                    pp_resource()));
 379   }
 380   return Var();
 381 }
 382
 383 uint32_t IMEInputEvent::GetSegmentNumber() const {
 384   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 385     return get_interface<PPB_IMEInputEvent_1_0>()->GetSegmentNumber(
 386         pp_resource());
 387   }
 388   return 0;
 389 }
 390
 391 uint32_t IMEInputEvent::GetSegmentOffset(uint32_t index) const {
 392   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 393     return get_interface<PPB_IMEInputEvent_1_0>()->GetSegmentOffset(
 394         pp_resource(), index);
 395   }
 396   return 0;
 397 }
 398
 399 int32_t IMEInputEvent::GetTargetSegment() const {
 400   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 401     return get_interface<PPB_IMEInputEvent_1_0>()->GetTargetSegment(
 402         pp_resource());
 403   }
 404   return 0;
 405 }
 406
 407 void IMEInputEvent::GetSelection(uint32_t* start, uint32_t* end) const {
 408   if (has_interface<PPB_IMEInputEvent_1_0>()) {
 409     get_interface<PPB_IMEInputEvent_1_0>()->GetSelection(pp_resource(),
 410                                                          start,
 411                                                          end);
 412   }
 413 }
 414
 415 }  // namespace pp