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| 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 "chrome/browser/chromeos/input_method/ibus_engine_controller.h" | |
| 6 | |
| 7 #if defined(HAVE_IBUS) | |
| 8 #include <ibus.h> | |
| 9 #endif | |
| 10 | |
| 11 #include <map> | |
| 12 #include <set> | |
| 13 #include <string> | |
| 14 #include <vector> | |
| 15 | |
| 16 #include "base/logging.h" | |
| 17 #include "base/stl_util.h" | |
| 18 | |
| 19 namespace chromeos { | |
| 20 namespace input_method { | |
| 21 | |
| 22 IBusEngineController::EngineProperty::EngineProperty() | |
| 23 : sensitive(false), visible(false), type(PROPERTY_TYPE_NORMAL), | |
| 24 checked(false), modified(0) { | |
| 25 } | |
| 26 | |
| 27 IBusEngineController::EngineProperty::~EngineProperty() { | |
| 28 STLDeleteContainerPointers(children.begin(), children.end()); | |
| 29 } | |
| 30 | |
| 31 #if defined(HAVE_IBUS) | |
| 32 | |
| 33 #define IBUS_TYPE_CHROMEOS_ENGINE (ibus_chromeos_engine_get_type()) | |
| 34 #define IBUS_CHROMEOS_ENGINE(obj) \ | |
| 35 (G_TYPE_CHECK_INSTANCE_CAST((obj), IBUS_TYPE_CHROMEOS_ENGINE, \ | |
| 36 IBusChromeOSEngine)) | |
| 37 #define IBUS_CHROMEOS_ENGINE_CLASS(klass) \ | |
| 38 (G_TYPE_CHECK_CLASS_CAST((klass), IBUS_TYPE_CHROMEOS_ENGINE, \ | |
| 39 IBusChromeOSEngineClass)) | |
| 40 #define CHROMEOS_IS_EXTENSION_ENGINE(obj) \ | |
| 41 (G_TYPE_CHECK_INSTANCE_TYPE((obj), IBUS_TYPE_CHROMEOS_ENGINE)) | |
| 42 #define CHROMEOS_IS_EXTENSION_ENGINE_CLASS(klass) \ | |
| 43 (G_TYPE_CHECK_CLASS_TYPE((klass), IBUS_TYPE_CHROMEOS_ENGINE)) | |
| 44 #define IBUS_CHROMEOS_ENGINE_GET_CLASS(obj) \ | |
| 45 (G_TYPE_INSTANCE_GET_CLASS((obj), IBUS_TYPE_CHROMEOS_ENGINE, \ | |
| 46 IBusChromeOSEngineClass)) | |
| 47 | |
| 48 class IBusEngineControllerImpl; | |
| 49 struct IBusChromeOSEngine { | |
| 50 IBusEngine parent; | |
| 51 IBusEngineControllerImpl* connection; | |
| 52 IBusLookupTable* table; | |
| 53 }; | |
| 54 | |
| 55 struct IBusChromeOSEngineClass { | |
| 56 IBusEngineClass parent_class; | |
| 57 }; | |
| 58 | |
| 59 G_DEFINE_TYPE(IBusChromeOSEngine, ibus_chromeos_engine, IBUS_TYPE_ENGINE) | |
| 60 | |
| 61 const int kDefaultCandidatePageSize = 9; | |
| 62 | |
| 63 class IBusEngineControllerImpl : public IBusEngineController { | |
| 64 public: | |
| 65 typedef std::map<std::string, IBusEngineControllerImpl*> ConnectionMap; | |
| 66 explicit IBusEngineControllerImpl(IBusEngineController::Observer* observer) | |
| 67 : observer_(observer), | |
| 68 ibus_(NULL), | |
| 69 active_engine_(NULL), | |
| 70 preedit_text_(NULL), | |
| 71 preedit_cursor_(0), | |
| 72 table_visible_(false), | |
| 73 cursor_visible_(false), | |
| 74 vertical_(false), | |
| 75 page_size_(kDefaultCandidatePageSize), | |
| 76 cursor_position_(0), | |
| 77 aux_text_visible_(false), | |
| 78 active_(false), | |
| 79 focused_(false) { | |
| 80 if (!g_connections_) { | |
| 81 g_connections_ = new ConnectionMap; | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 ~IBusEngineControllerImpl() { | |
| 86 for (std::set<IBusChromeOSEngine*>::iterator ix = engine_instances_.begin(); | |
| 87 ix != engine_instances_.end(); ++ix) { | |
| 88 (*ix)->connection = NULL; | |
| 89 } | |
| 90 if (preedit_text_) { | |
| 91 g_object_unref(preedit_text_); | |
| 92 preedit_text_ = NULL; | |
| 93 } | |
| 94 if (ibus_) { | |
| 95 DisconnectIBusSignals(); | |
| 96 g_object_unref(ibus_); | |
| 97 } | |
| 98 g_connections_->erase(engine_id_); | |
| 99 ClearProperties(); | |
| 100 DVLOG(1) << "Removing engine: " << engine_id_; | |
| 101 } | |
| 102 | |
| 103 // Initializes the object. Returns true on success. | |
| 104 bool Init(const char* engine_id, const char* engine_name, | |
| 105 const char* description, const char* language, | |
| 106 const char* layout) { | |
| 107 engine_id_ = engine_id; | |
| 108 engine_name_ = engine_name; | |
| 109 description_ = description; | |
| 110 language_ = language; | |
| 111 layout_ = layout; | |
| 112 | |
| 113 bus_name_ = "org.freedesktop.IBus."; | |
| 114 bus_name_ += engine_id; | |
| 115 | |
| 116 // engine_id_ must be unique. | |
| 117 if (g_connections_->find(engine_id_) != g_connections_->end()) { | |
| 118 DVLOG(1) << "ibus engine name already in use: " << engine_id_; | |
| 119 return false; | |
| 120 } | |
| 121 | |
| 122 // Initialize an IBus bus. | |
| 123 ibus_init(); | |
| 124 ibus_ = ibus_bus_new(); | |
| 125 | |
| 126 // Check the IBus connection status. | |
| 127 if (!ibus_) { | |
| 128 DVLOG(1) << "ibus_bus_new() failed"; | |
| 129 return false; | |
| 130 } | |
| 131 | |
| 132 (*g_connections_)[engine_id_] = this; | |
| 133 DVLOG(1) << "Adding engine: " << engine_id_; | |
| 134 | |
| 135 // Check the IBus connection status. | |
| 136 bool result = true; | |
| 137 if (ibus_bus_is_connected(ibus_)) { | |
| 138 DVLOG(1) << "ibus_bus_is_connected(). IBus connection is ready."; | |
| 139 result = MaybeCreateComponent(); | |
| 140 } | |
| 141 | |
| 142 // Start listening the gobject signals regardless of the bus connection | |
| 143 // status. | |
| 144 ConnectIBusSignals(); | |
| 145 return result; | |
| 146 } | |
| 147 | |
| 148 virtual void SetPreeditText(const char* text, int cursor) { | |
| 149 if (active_engine_) { | |
| 150 DVLOG(1) << "SetPreeditText"; | |
| 151 if (preedit_text_) { | |
| 152 g_object_unref(preedit_text_); | |
| 153 preedit_text_ = NULL; | |
| 154 } | |
| 155 preedit_cursor_ = cursor; | |
| 156 preedit_text_ = static_cast<IBusText*>( | |
| 157 g_object_ref_sink(ibus_text_new_from_string(text))); | |
| 158 ibus_engine_update_preedit_text(IBUS_ENGINE(active_engine_), | |
| 159 preedit_text_, | |
| 160 preedit_cursor_, TRUE); | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 virtual void SetPreeditUnderline(int start, int end, int type) { | |
| 165 DVLOG(1) << "SetPreeditUnderline"; | |
| 166 if (active_engine_ && preedit_text_) { | |
| 167 // Translate the type to ibus's constants. | |
| 168 int underline_type; | |
| 169 switch (type) { | |
| 170 case UNDERLINE_NONE: | |
| 171 underline_type = IBUS_ATTR_UNDERLINE_NONE; | |
| 172 break; | |
| 173 | |
| 174 case UNDERLINE_SINGLE: | |
| 175 underline_type = IBUS_ATTR_UNDERLINE_SINGLE; | |
| 176 break; | |
| 177 | |
| 178 case UNDERLINE_DOUBLE: | |
| 179 underline_type = IBUS_ATTR_UNDERLINE_DOUBLE; | |
| 180 break; | |
| 181 | |
| 182 case UNDERLINE_LOW: | |
| 183 underline_type = IBUS_ATTR_UNDERLINE_LOW; | |
| 184 break; | |
| 185 | |
| 186 case UNDERLINE_ERROR: | |
| 187 underline_type = IBUS_ATTR_UNDERLINE_ERROR; | |
| 188 break; | |
| 189 | |
| 190 default: | |
| 191 return; | |
| 192 } | |
| 193 | |
| 194 ibus_text_append_attribute(preedit_text_, IBUS_ATTR_TYPE_UNDERLINE, | |
| 195 underline_type, start, end); | |
| 196 ibus_engine_update_preedit_text(IBUS_ENGINE(active_engine_), | |
| 197 preedit_text_, | |
| 198 preedit_cursor_, TRUE); | |
| 199 } | |
| 200 } | |
| 201 | |
| 202 virtual void CommitText(const char* text) { | |
| 203 if (active_engine_) { | |
| 204 DVLOG(1) << "CommitText"; | |
| 205 // Reset the preedit text when a commit occurs. | |
| 206 SetPreeditText("", 0); | |
| 207 if (preedit_text_) { | |
| 208 g_object_unref(preedit_text_); | |
| 209 preedit_text_ = NULL; | |
| 210 } | |
| 211 IBusText* ibus_text = static_cast<IBusText*>( | |
| 212 ibus_text_new_from_string(text)); | |
| 213 ibus_engine_commit_text(IBUS_ENGINE(active_engine_), ibus_text); | |
| 214 } | |
| 215 } | |
| 216 | |
| 217 virtual void SetTableVisible(bool visible) { | |
| 218 table_visible_ = visible; | |
| 219 if (active_engine_) { | |
| 220 DVLOG(1) << "SetTableVisible"; | |
| 221 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 222 active_engine_->table, | |
| 223 table_visible_); | |
| 224 if (visible) { | |
| 225 ibus_engine_show_lookup_table(IBUS_ENGINE(active_engine_)); | |
| 226 } else { | |
| 227 ibus_engine_hide_lookup_table(IBUS_ENGINE(active_engine_)); | |
| 228 } | |
| 229 } | |
| 230 } | |
| 231 | |
| 232 virtual void SetCursorVisible(bool visible) { | |
| 233 cursor_visible_ = visible; | |
| 234 if (active_engine_) { | |
| 235 DVLOG(1) << "SetCursorVisible"; | |
| 236 ibus_lookup_table_set_cursor_visible(active_engine_->table, visible); | |
| 237 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 238 active_engine_->table, | |
| 239 table_visible_); | |
| 240 } | |
| 241 } | |
| 242 | |
| 243 virtual void SetOrientationVertical(bool vertical) { | |
| 244 vertical_ = vertical; | |
| 245 if (active_engine_) { | |
| 246 DVLOG(1) << "SetOrientationVertical"; | |
| 247 ibus_lookup_table_set_orientation(active_engine_->table, | |
| 248 vertical ? IBUS_ORIENTATION_VERTICAL : | |
| 249 IBUS_ORIENTATION_HORIZONTAL); | |
| 250 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 251 active_engine_->table, | |
| 252 table_visible_); | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 virtual void SetPageSize(unsigned int size) { | |
| 257 page_size_ = size; | |
| 258 if (active_engine_) { | |
| 259 DVLOG(1) << "SetPageSize"; | |
| 260 ibus_lookup_table_set_page_size(active_engine_->table, size); | |
| 261 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 262 active_engine_->table, | |
| 263 table_visible_); | |
| 264 } | |
| 265 } | |
| 266 | |
| 267 virtual void ClearCandidates() { | |
| 268 if (active_engine_) { | |
| 269 DVLOG(1) << "ClearCandidates"; | |
| 270 ibus_lookup_table_clear(active_engine_->table); | |
| 271 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 272 active_engine_->table, | |
| 273 table_visible_); | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 virtual void SetCandidates(std::vector<Candidate> candidates) { | |
| 278 // Text with this foreground color will be treated as an annotation. | |
| 279 const guint kAnnotationForegroundColor = 0x888888; | |
| 280 if (active_engine_) { | |
| 281 DVLOG(1) << "SetCandidates"; | |
| 282 ibus_lookup_table_clear(active_engine_->table); | |
| 283 | |
| 284 for (std::vector<Candidate>::iterator ix = candidates.begin(); | |
| 285 ix != candidates.end(); ++ix ) { | |
| 286 if (!ix->annotation.empty()) { | |
| 287 // If there's an annotation, append it to the value. | |
| 288 std::string candidate(ix->value); | |
| 289 candidate += " "; | |
| 290 size_t start = g_utf8_strlen(candidate.c_str(), -1); | |
| 291 candidate += ix->annotation; | |
| 292 | |
| 293 // Set the foreground color of the annotation text so that the | |
| 294 // candidate window will treat it properly. | |
| 295 size_t end = start + g_utf8_strlen(ix->annotation.c_str(), -1); | |
| 296 IBusText* ibus_text = static_cast<IBusText*>( | |
| 297 ibus_text_new_from_string(candidate.c_str())); | |
| 298 ibus_text_append_attribute(ibus_text, | |
| 299 IBUS_ATTR_TYPE_FOREGROUND, | |
| 300 kAnnotationForegroundColor, | |
| 301 start, | |
| 302 end); | |
| 303 ibus_lookup_table_append_candidate(active_engine_->table, ibus_text); | |
| 304 } else { | |
| 305 IBusText* ibus_text = static_cast<IBusText*>( | |
| 306 ibus_text_new_from_string(ix->value.c_str())); | |
| 307 ibus_lookup_table_append_candidate(active_engine_->table, ibus_text); | |
| 308 } | |
| 309 | |
| 310 // Add the label if it's set. | |
| 311 if (!ix->label.empty()) { | |
| 312 IBusText* ibus_label = static_cast<IBusText*>( | |
| 313 ibus_text_new_from_string(ix->label.c_str())); | |
| 314 ibus_lookup_table_set_label(active_engine_->table, | |
| 315 std::distance(candidates.begin(), ix), | |
| 316 ibus_label); | |
| 317 } | |
| 318 } | |
| 319 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 320 active_engine_->table, | |
| 321 table_visible_); | |
| 322 } | |
| 323 } | |
| 324 | |
| 325 virtual void SetCandidateAuxText(const char* text) { | |
| 326 aux_text_ = text; | |
| 327 if (active_engine_) { | |
| 328 DVLOG(1) << "SetCandidateAuxText"; | |
| 329 IBusText* ibus_text = static_cast<IBusText*>( | |
| 330 ibus_text_new_from_string(aux_text_.c_str())); | |
| 331 ibus_engine_update_auxiliary_text(IBUS_ENGINE(active_engine_), ibus_text, | |
| 332 aux_text_visible_); | |
| 333 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 334 active_engine_->table, | |
| 335 table_visible_); | |
| 336 } | |
| 337 } | |
| 338 | |
| 339 virtual void SetCandidateAuxTextVisible(bool visible) { | |
| 340 aux_text_visible_ = visible; | |
| 341 if (active_engine_) { | |
| 342 DVLOG(1) << "SetCandidateAuxTextVisible"; | |
| 343 IBusText* ibus_text = static_cast<IBusText*>( | |
| 344 ibus_text_new_from_string(aux_text_.c_str())); | |
| 345 ibus_engine_update_auxiliary_text(IBUS_ENGINE(active_engine_), ibus_text, | |
| 346 aux_text_visible_); | |
| 347 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 348 active_engine_->table, | |
| 349 table_visible_); | |
| 350 } | |
| 351 } | |
| 352 | |
| 353 virtual void SetCursorPosition(unsigned int position) { | |
| 354 cursor_position_ = position; | |
| 355 if (active_engine_) { | |
| 356 DVLOG(1) << "SetCursorPosition"; | |
| 357 ibus_lookup_table_set_cursor_pos(active_engine_->table, position); | |
| 358 ibus_engine_update_lookup_table(IBUS_ENGINE(active_engine_), | |
| 359 active_engine_->table, | |
| 360 table_visible_); | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 virtual bool RegisterProperties( | |
| 365 const std::vector<EngineProperty*>& properties) { | |
| 366 DVLOG(1) << "RegisterProperties"; | |
| 367 ClearProperties(); | |
| 368 CopyProperties(properties, &properties_); | |
| 369 | |
| 370 if (active_engine_) { | |
| 371 if (!SetProperties()) { | |
| 372 return false; | |
| 373 } | |
| 374 } | |
| 375 return true; | |
| 376 } | |
| 377 | |
| 378 void ClearProperties() { | |
| 379 STLDeleteContainerPointers(properties_.begin(), properties_.end()); | |
| 380 properties_.clear(); | |
| 381 property_map_.clear(); | |
| 382 } | |
| 383 | |
| 384 virtual bool UpdateProperties( | |
| 385 const std::vector<EngineProperty*>& properties) { | |
| 386 DVLOG(1) << "UpdateProperties"; | |
| 387 return UpdatePropertyList(properties); | |
| 388 } | |
| 389 | |
| 390 void CopyProperties(const std::vector<EngineProperty*>& properties, | |
| 391 std::vector<EngineProperty*>* dest) { | |
| 392 for (std::vector<EngineProperty*>::const_iterator property = | |
| 393 properties.begin(); property != properties.end(); ++property) { | |
| 394 if (property_map_.find((*property)->key) != property_map_.end()) { | |
| 395 DVLOG(1) << "Property collision on name: " << (*property)->key; | |
| 396 return; | |
| 397 } | |
| 398 | |
| 399 EngineProperty* new_property = new EngineProperty; | |
| 400 dest->push_back(new_property); | |
| 401 property_map_[(*property)->key] = new_property; | |
| 402 | |
| 403 new_property->key = (*property)->key; | |
| 404 new_property->label = (*property)->label; | |
| 405 new_property->tooltip = (*property)->tooltip; | |
| 406 new_property->sensitive = (*property)->sensitive; | |
| 407 new_property->visible = (*property)->visible; | |
| 408 new_property->type = (*property)->type; | |
| 409 new_property->checked = (*property)->checked; | |
| 410 | |
| 411 CopyProperties((*property)->children, &(new_property->children)); | |
| 412 } | |
| 413 } | |
| 414 | |
| 415 IBusPropList *MakePropertyList( | |
| 416 const std::vector<EngineProperty*>& properties) { | |
| 417 IBusPropList *prop_list = ibus_prop_list_new(); | |
| 418 for (std::vector<EngineProperty*>::const_iterator property = | |
| 419 properties.begin(); property != properties.end(); ++property) { | |
| 420 IBusPropList *children = NULL; | |
| 421 if (!(*property)->children.empty()) { | |
| 422 children = MakePropertyList((*property)->children); | |
| 423 } | |
| 424 | |
| 425 IBusPropType type = PROP_TYPE_NORMAL; | |
| 426 switch ((*property)->type) { | |
| 427 case PROPERTY_TYPE_NORMAL: | |
| 428 type = PROP_TYPE_NORMAL; | |
| 429 break; | |
| 430 case PROPERTY_TYPE_TOGGLE: | |
| 431 type = PROP_TYPE_TOGGLE; | |
| 432 break; | |
| 433 case PROPERTY_TYPE_RADIO: | |
| 434 type = PROP_TYPE_RADIO; | |
| 435 break; | |
| 436 case PROPERTY_TYPE_SEPARATOR: | |
| 437 type = PROP_TYPE_SEPARATOR; | |
| 438 break; | |
| 439 case PROPERTY_TYPE_MENU: | |
| 440 type = PROP_TYPE_MENU; | |
| 441 break; | |
| 442 default: | |
| 443 NOTREACHED(); | |
| 444 break; | |
| 445 } | |
| 446 | |
| 447 IBusPropState state = (*property)->checked ? PROP_STATE_CHECKED : | |
| 448 PROP_STATE_UNCHECKED; | |
| 449 | |
| 450 IBusProperty *ibus_property = | |
| 451 ibus_property_new((*property)->key.c_str(), | |
| 452 type, | |
| 453 static_cast<IBusText*>( | |
| 454 ibus_text_new_from_string( | |
| 455 (*property)->label.c_str())), | |
| 456 NULL, | |
| 457 static_cast<IBusText*>( | |
| 458 ibus_text_new_from_string( | |
| 459 (*property)->tooltip.c_str())), | |
| 460 (*property)->sensitive, | |
| 461 (*property)->visible, | |
| 462 state, | |
| 463 children); | |
| 464 | |
| 465 ibus_prop_list_append(prop_list, ibus_property); | |
| 466 } | |
| 467 return prop_list; | |
| 468 } | |
| 469 | |
| 470 bool SetProperties() { | |
| 471 IBusPropList *prop_list = MakePropertyList(properties_); | |
| 472 ibus_engine_register_properties(IBUS_ENGINE(active_engine_), prop_list); | |
| 473 return true; | |
| 474 } | |
| 475 | |
| 476 bool UpdatePropertyList(const std::vector<EngineProperty*>& properties) { | |
| 477 for (std::vector<EngineProperty*>::const_iterator property = | |
| 478 properties.begin(); property != properties.end(); ++property) { | |
| 479 std::map<std::string, EngineProperty*>::iterator cur_property = | |
| 480 property_map_.find((*property)->key); | |
| 481 if (cur_property == property_map_.end()) { | |
| 482 DVLOG(1) << "Missing property: " << (*property)->key; | |
| 483 return false; | |
| 484 } | |
| 485 | |
| 486 if ((*property)->modified & PROPERTY_MODIFIED_LABEL) { | |
| 487 cur_property->second->label = (*property)->label; | |
| 488 } | |
| 489 if ((*property)->modified & PROPERTY_MODIFIED_TOOLTIP) { | |
| 490 cur_property->second->tooltip = (*property)->tooltip; | |
| 491 } | |
| 492 if ((*property)->modified & PROPERTY_MODIFIED_SENSITIVE) { | |
| 493 cur_property->second->sensitive = (*property)->sensitive; | |
| 494 } | |
| 495 if ((*property)->modified & PROPERTY_MODIFIED_VISIBLE) { | |
| 496 cur_property->second->visible = (*property)->visible; | |
| 497 } | |
| 498 if ((*property)->modified & PROPERTY_MODIFIED_TYPE) { | |
| 499 cur_property->second->type = (*property)->type; | |
| 500 } | |
| 501 if ((*property)->modified & PROPERTY_MODIFIED_CHECKED) { | |
| 502 cur_property->second->checked = (*property)->checked; | |
| 503 } | |
| 504 | |
| 505 if (active_engine_) { | |
| 506 IBusPropType type = PROP_TYPE_NORMAL; | |
| 507 switch (cur_property->second->type) { | |
| 508 case PROPERTY_TYPE_NORMAL: | |
| 509 type = PROP_TYPE_NORMAL; | |
| 510 break; | |
| 511 case PROPERTY_TYPE_TOGGLE: | |
| 512 type = PROP_TYPE_TOGGLE; | |
| 513 break; | |
| 514 case PROPERTY_TYPE_RADIO: | |
| 515 type = PROP_TYPE_RADIO; | |
| 516 break; | |
| 517 case PROPERTY_TYPE_SEPARATOR: | |
| 518 type = PROP_TYPE_SEPARATOR; | |
| 519 break; | |
| 520 case PROPERTY_TYPE_MENU: | |
| 521 type = PROP_TYPE_MENU; | |
| 522 break; | |
| 523 default: | |
| 524 NOTREACHED(); | |
| 525 break; | |
| 526 } | |
| 527 | |
| 528 IBusPropState state = cur_property->second->checked ? | |
| 529 PROP_STATE_CHECKED : PROP_STATE_UNCHECKED; | |
| 530 | |
| 531 IBusProperty *ibus_property = | |
| 532 ibus_property_new(cur_property->second->key.c_str(), | |
| 533 type, | |
| 534 static_cast<IBusText*>( | |
| 535 ibus_text_new_from_string( | |
| 536 cur_property->second->label.c_str())), | |
| 537 NULL, | |
| 538 static_cast<IBusText*>( | |
| 539 ibus_text_new_from_string( | |
| 540 cur_property->second->tooltip.c_str())), | |
| 541 cur_property->second->sensitive, | |
| 542 cur_property->second->visible, | |
| 543 state, | |
| 544 NULL); | |
| 545 | |
| 546 ibus_engine_update_property(IBUS_ENGINE(active_engine_), ibus_property); | |
| 547 } | |
| 548 if (!UpdatePropertyList((*property)->children)) { | |
| 549 return false; | |
| 550 } | |
| 551 } | |
| 552 return true; | |
| 553 } | |
| 554 | |
| 555 virtual void KeyEventDone(KeyEventHandle* key_data, bool handled) { | |
| 556 GDBusMethodInvocation* invocation = | |
| 557 reinterpret_cast<GDBusMethodInvocation*>(key_data); | |
| 558 | |
| 559 g_dbus_method_invocation_return_value(invocation, | |
| 560 g_variant_new("(b)", handled)); | |
| 561 } | |
| 562 | |
| 563 | |
| 564 static void InitEngineClass(IBusChromeOSEngineClass *klass) { | |
| 565 GObjectClass *object_class = G_OBJECT_CLASS(klass); | |
| 566 IBusObjectClass *ibus_object_class = IBUS_OBJECT_CLASS(klass); | |
| 567 IBusEngineClass *engine_class = IBUS_ENGINE_CLASS(klass); | |
| 568 | |
| 569 object_class->constructor = EngineConstructor; | |
| 570 ibus_object_class->destroy = (IBusObjectDestroyFunc) OnDestroy; | |
| 571 | |
| 572 IBUS_SERVICE_CLASS(klass)->service_method_call = OnServiceMethodCall; | |
| 573 | |
| 574 engine_class->process_key_event = NULL; | |
| 575 engine_class->reset = OnReset; | |
| 576 engine_class->enable = OnEnable; | |
| 577 engine_class->disable = OnDisable; | |
| 578 engine_class->focus_in = OnFocusIn; | |
| 579 engine_class->focus_out = OnFocusOut; | |
| 580 engine_class->page_up = OnPageUp; | |
| 581 engine_class->page_down = OnPageDown; | |
| 582 engine_class->cursor_up = OnCursorUp; | |
| 583 engine_class->cursor_down = OnCursorDown; | |
| 584 engine_class->property_activate = OnPropertyActivate; | |
| 585 engine_class->candidate_clicked = OnCandidateClicked; | |
| 586 } | |
| 587 | |
| 588 static void InitEngine(IBusChromeOSEngine* engine) { | |
| 589 } | |
| 590 | |
| 591 private: | |
| 592 // Installs gobject signal handlers to |ibus_|. | |
| 593 void ConnectIBusSignals() { | |
| 594 if (!ibus_) { | |
| 595 return; | |
| 596 } | |
| 597 DVLOG(1) << "ConnectIBusSignals"; | |
| 598 g_signal_connect(ibus_, | |
| 599 "connected", | |
| 600 G_CALLBACK(IBusBusConnectedCallback), | |
| 601 this); | |
| 602 g_signal_connect(ibus_, | |
| 603 "disconnected", | |
| 604 G_CALLBACK(IBusBusDisconnectedCallback), | |
| 605 this); | |
| 606 } | |
| 607 | |
| 608 // Removes gobject signal handlers from |ibus_|. | |
| 609 void DisconnectIBusSignals() { | |
| 610 if (!ibus_) { | |
| 611 return; | |
| 612 } | |
| 613 g_signal_handlers_disconnect_by_func( | |
| 614 ibus_, | |
| 615 reinterpret_cast<gpointer>(G_CALLBACK(IBusBusConnectedCallback)), | |
| 616 this); | |
| 617 g_signal_handlers_disconnect_by_func( | |
| 618 ibus_, | |
| 619 reinterpret_cast<gpointer>(G_CALLBACK(IBusBusDisconnectedCallback)), | |
| 620 this); | |
| 621 } | |
| 622 | |
| 623 // Handles "connected" signal from ibus-daemon. | |
| 624 static void IBusBusConnectedCallback(IBusBus* bus, gpointer user_data) { | |
| 625 DVLOG(1) << "IBus connection is recovered."; | |
| 626 g_return_if_fail(user_data); | |
| 627 IBusEngineControllerImpl* self | |
| 628 = static_cast<IBusEngineControllerImpl*>(user_data); | |
| 629 DCHECK(ibus_bus_is_connected(self->ibus_)); | |
| 630 if (!self->MaybeCreateComponent()) { | |
| 631 DVLOG(1) << "MaybeCreateComponent() failed"; | |
| 632 return; | |
| 633 } | |
| 634 } | |
| 635 | |
| 636 // Handles "disconnected" signal from ibus-daemon. | |
| 637 static void IBusBusDisconnectedCallback(IBusBus* bus, gpointer user_data) { | |
| 638 DVLOG(1) << "IBus connection is terminated."; | |
| 639 if (g_factory_) { | |
| 640 g_object_unref(g_factory_); | |
| 641 g_factory_ = NULL; | |
| 642 } | |
| 643 } | |
| 644 | |
| 645 bool MaybeCreateComponent() { | |
| 646 if (!ibus_ || !ibus_bus_is_connected(ibus_)) { | |
| 647 return false; | |
| 648 } | |
| 649 | |
| 650 DVLOG(1) << "MaybeCreateComponent"; | |
| 651 IBusComponent* component = ibus_component_new(bus_name_.c_str(), | |
| 652 description_.c_str(), | |
| 653 "", | |
| 654 "", | |
| 655 engine_name_.c_str(), | |
| 656 "", | |
| 657 "", | |
| 658 ""); | |
| 659 g_object_ref_sink(component); | |
| 660 ibus_component_add_engine(component, | |
| 661 ibus_engine_desc_new(engine_id_.c_str(), | |
| 662 description_.c_str(), | |
| 663 description_.c_str(), | |
| 664 language_.c_str(), | |
| 665 "", | |
| 666 engine_name_.c_str(), | |
| 667 "", | |
| 668 layout_.c_str())); | |
| 669 | |
| 670 if (!g_factory_) { | |
| 671 g_factory_ = ibus_factory_new(ibus_bus_get_connection(ibus_)); | |
| 672 g_object_ref_sink(g_factory_); | |
| 673 } | |
| 674 | |
| 675 ibus_factory_add_engine(g_factory_, engine_id_.c_str(), | |
| 676 IBUS_TYPE_CHROMEOS_ENGINE); | |
| 677 ibus_bus_register_component(ibus_, component); | |
| 678 g_object_unref(component); | |
| 679 | |
| 680 return true; | |
| 681 } | |
| 682 | |
| 683 static void OnServiceMethodCall(IBusService* service, | |
| 684 GDBusConnection* connection, | |
| 685 const gchar* sender, | |
| 686 const gchar* object_path, | |
| 687 const gchar* interface_name, | |
| 688 const gchar* method_name, | |
| 689 GVariant* parameters, | |
| 690 GDBusMethodInvocation* invocation) { | |
| 691 if (g_strcmp0(method_name, "ProcessKeyEvent") == 0) { | |
| 692 // Override the default ProcessKeyEvent handler so that we can send the | |
| 693 // response asynchronously. | |
| 694 IBusEngine *engine = IBUS_ENGINE(service); | |
| 695 | |
| 696 guint keyval; | |
| 697 guint keycode; | |
| 698 guint state; | |
| 699 g_variant_get(parameters, "(uuu)", &keyval, &keycode, &state); | |
| 700 | |
| 701 OnProcessKeyEvent(engine, keyval, keycode, state, invocation); | |
| 702 } else { | |
| 703 IBUS_SERVICE_CLASS( | |
| 704 ibus_chromeos_engine_parent_class)->service_method_call( | |
| 705 service, | |
| 706 connection, | |
| 707 sender, | |
| 708 object_path, | |
| 709 interface_name, | |
| 710 method_name, | |
| 711 parameters, | |
| 712 invocation); | |
| 713 } | |
| 714 } | |
| 715 | |
| 716 static void OnProcessKeyEvent(IBusEngine* ibus_engine, guint keyval, | |
| 717 guint keycode, guint modifiers, | |
| 718 GDBusMethodInvocation* key_data) { | |
| 719 DVLOG(1) << "OnProcessKeyEvent"; | |
| 720 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 721 if (engine->connection) { | |
| 722 engine->connection->observer_->OnKeyEvent( | |
| 723 !(modifiers & IBUS_RELEASE_MASK), | |
| 724 keyval, keycode, | |
| 725 modifiers & IBUS_MOD1_MASK, | |
| 726 modifiers & IBUS_CONTROL_MASK, | |
| 727 modifiers & IBUS_SHIFT_MASK, | |
| 728 reinterpret_cast<KeyEventHandle*>(key_data)); | |
| 729 } | |
| 730 } | |
| 731 | |
| 732 static void OnReset(IBusEngine* ibus_engine) { | |
| 733 DVLOG(1) << "OnReset"; | |
| 734 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 735 if (engine->connection) { | |
| 736 engine->connection->observer_->OnReset(); | |
| 737 } | |
| 738 } | |
| 739 | |
| 740 static void OnEnable(IBusEngine* ibus_engine) { | |
| 741 DVLOG(1) << "OnEnable"; | |
| 742 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 743 if (engine->connection) { | |
| 744 engine->connection->active_engine_ = engine; | |
| 745 engine->connection->active_ = true; | |
| 746 engine->connection->observer_->OnEnable(); | |
| 747 if (engine->connection->focused_) { | |
| 748 engine->connection->observer_->OnFocusIn(); | |
| 749 } | |
| 750 engine->connection->SetProperties(); | |
| 751 } | |
| 752 } | |
| 753 | |
| 754 static void OnDisable(IBusEngine* ibus_engine) { | |
| 755 DVLOG(1) << "OnDisable"; | |
| 756 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 757 if (engine->connection) { | |
| 758 engine->connection->active_ = false; | |
| 759 engine->connection->observer_->OnDisable(); | |
| 760 if (engine->connection->active_engine_ == engine) { | |
| 761 engine->connection->active_engine_ = NULL; | |
| 762 } | |
| 763 } | |
| 764 } | |
| 765 | |
| 766 static void OnFocusIn(IBusEngine* ibus_engine) { | |
| 767 DVLOG(1) << "OnFocusIn"; | |
| 768 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 769 if (engine->connection) { | |
| 770 engine->connection->focused_ = true; | |
| 771 if (engine->connection->active_) { | |
| 772 engine->connection->observer_->OnFocusIn(); | |
| 773 } | |
| 774 engine->connection->SetProperties(); | |
| 775 } | |
| 776 } | |
| 777 | |
| 778 static void OnFocusOut(IBusEngine* ibus_engine) { | |
| 779 DVLOG(1) << "OnFocusOut"; | |
| 780 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 781 if (engine->connection) { | |
| 782 engine->connection->focused_ = false; | |
| 783 if (engine->connection->active_) { | |
| 784 engine->connection->observer_->OnFocusOut(); | |
| 785 } | |
| 786 } | |
| 787 } | |
| 788 | |
| 789 static void OnPageUp(IBusEngine* ibus_engine) { | |
| 790 // Not implemented | |
| 791 } | |
| 792 | |
| 793 static void OnPageDown(IBusEngine* ibus_engine) { | |
| 794 // Not implemented | |
| 795 } | |
| 796 | |
| 797 static void OnCursorUp(IBusEngine* ibus_engine) { | |
| 798 // Not implemented | |
| 799 } | |
| 800 | |
| 801 static void OnCursorDown(IBusEngine* ibus_engine) { | |
| 802 // Not implemented | |
| 803 } | |
| 804 | |
| 805 static void OnPropertyActivate(IBusEngine* ibus_engine, | |
| 806 const gchar *prop_name, guint prop_state) { | |
| 807 DVLOG(1) << "OnPropertyActivate"; | |
| 808 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 809 if (engine->connection) { | |
| 810 engine->connection->observer_->OnPropertyActivate(prop_name, prop_state); | |
| 811 } | |
| 812 } | |
| 813 | |
| 814 static void OnCandidateClicked(IBusEngine* ibus_engine, guint index, | |
| 815 guint button, guint state) { | |
| 816 DVLOG(1) << "OnCandidateClicked"; | |
| 817 IBusChromeOSEngine* engine = IBUS_CHROMEOS_ENGINE(ibus_engine); | |
| 818 if (engine->connection) { | |
| 819 int pressed_button = 0; | |
| 820 if (button & IBUS_BUTTON1_MASK) { | |
| 821 pressed_button |= MOUSE_BUTTON_1_MASK; | |
| 822 } | |
| 823 if (button & IBUS_BUTTON2_MASK) { | |
| 824 pressed_button |= MOUSE_BUTTON_2_MASK; | |
| 825 } | |
| 826 if (button & IBUS_BUTTON3_MASK) { | |
| 827 pressed_button |= MOUSE_BUTTON_3_MASK; | |
| 828 } | |
| 829 engine->connection->observer_->OnCandidateClicked(index, pressed_button, | |
| 830 state); | |
| 831 } | |
| 832 } | |
| 833 | |
| 834 static GObject* EngineConstructor(GType type, guint n_construct_params, | |
| 835 GObjectConstructParam *construct_params) { | |
| 836 IBusChromeOSEngine* engine = (IBusChromeOSEngine*) | |
| 837 G_OBJECT_CLASS(ibus_chromeos_engine_parent_class) | |
| 838 ->constructor(type, n_construct_params, construct_params); | |
| 839 const gchar* name = ibus_engine_get_name((IBusEngine*)engine); | |
| 840 ConnectionMap::iterator connection = g_connections_->find(name); | |
| 841 if (connection == g_connections_->end()) { | |
| 842 DVLOG(1) << "Connection never created: " << name; | |
| 843 engine->connection = NULL; | |
| 844 engine->table = NULL; | |
| 845 return (GObject *) engine; | |
| 846 } | |
| 847 | |
| 848 connection->second->engine_instances_.insert(engine); | |
| 849 | |
| 850 if (!connection->second->active_engine_) { | |
| 851 connection->second->active_engine_ = engine; | |
| 852 } | |
| 853 | |
| 854 engine->connection = connection->second; | |
| 855 | |
| 856 engine->table = ibus_lookup_table_new(connection->second->page_size_, | |
| 857 connection->second->cursor_position_, | |
| 858 connection->second->cursor_visible_, | |
| 859 false); // table_round | |
| 860 g_object_ref_sink(engine->table); | |
| 861 ibus_lookup_table_set_orientation(engine->table, | |
| 862 connection->second->vertical_ ? | |
| 863 IBUS_ORIENTATION_VERTICAL : | |
| 864 IBUS_ORIENTATION_HORIZONTAL); | |
| 865 ibus_engine_update_lookup_table(IBUS_ENGINE(engine), engine->table, | |
| 866 connection->second->table_visible_); | |
| 867 | |
| 868 | |
| 869 connection->second->SetProperties(); | |
| 870 | |
| 871 return (GObject *) engine; | |
| 872 } | |
| 873 | |
| 874 static void OnDestroy(IBusChromeOSEngine* chromeos_engine) { | |
| 875 const gchar* name = ibus_engine_get_name((IBusEngine*)chromeos_engine); | |
| 876 ConnectionMap::iterator connection = g_connections_->find(name); | |
| 877 if (connection == g_connections_->end()) { | |
| 878 DVLOG(1) << "Connection already destroyed, or never created: " << name; | |
| 879 } else { | |
| 880 connection->second->engine_instances_.erase(chromeos_engine); | |
| 881 if (connection->second->active_engine_ == chromeos_engine) { | |
| 882 connection->second->active_engine_ = NULL; | |
| 883 } | |
| 884 } | |
| 885 if (chromeos_engine->table) { | |
| 886 g_object_unref(chromeos_engine->table); | |
| 887 chromeos_engine->table = NULL; | |
| 888 } | |
| 889 if (chromeos_engine->connection && | |
| 890 ibus_bus_is_connected(chromeos_engine->connection->ibus_)) { | |
| 891 // Connection may be NULL since extension IME can be uninstalled before | |
| 892 // |OnDestroy| is called. | |
| 893 // We can't call |destroy| function without ibus-daemon connection, | |
| 894 // otherwise browser goes into deadlock state. | |
| 895 // TODO(nona): investigate the reason of dead-lock. | |
| 896 IBUS_OBJECT_CLASS(ibus_chromeos_engine_parent_class) | |
| 897 ->destroy(IBUS_OBJECT(chromeos_engine)); | |
| 898 } | |
| 899 } | |
| 900 | |
| 901 IBusEngineController::Observer* observer_; | |
| 902 IBusBus* ibus_; | |
| 903 IBusChromeOSEngine* active_engine_; | |
| 904 | |
| 905 std::string engine_id_; | |
| 906 std::string engine_name_; | |
| 907 std::string description_; | |
| 908 std::string language_; | |
| 909 std::string layout_; | |
| 910 std::string bus_name_; | |
| 911 | |
| 912 IBusText* preedit_text_; | |
| 913 int preedit_cursor_; | |
| 914 bool table_visible_; | |
| 915 bool cursor_visible_; | |
| 916 bool vertical_; | |
| 917 unsigned int page_size_; | |
| 918 unsigned int cursor_position_; | |
| 919 std::string aux_text_; | |
| 920 bool aux_text_visible_; | |
| 921 std::vector<EngineProperty*> properties_; | |
| 922 std::map<std::string, EngineProperty*> property_map_; | |
| 923 | |
| 924 bool active_; | |
| 925 bool focused_; | |
| 926 | |
| 927 std::set<IBusChromeOSEngine*> engine_instances_; | |
| 928 | |
| 929 static ConnectionMap* g_connections_; | |
| 930 static IBusFactory* g_factory_; | |
| 931 }; | |
| 932 | |
| 933 IBusEngineControllerImpl::ConnectionMap* | |
| 934 IBusEngineControllerImpl::g_connections_ = NULL; | |
| 935 | |
| 936 IBusFactory* IBusEngineControllerImpl::g_factory_ = NULL; | |
| 937 | |
| 938 void ibus_chromeos_engine_class_init(IBusChromeOSEngineClass *klass) { | |
| 939 IBusEngineControllerImpl::InitEngineClass(klass); | |
| 940 } | |
| 941 | |
| 942 void ibus_chromeos_engine_init(IBusChromeOSEngine* engine) { | |
| 943 IBusEngineControllerImpl::InitEngine(engine); | |
| 944 } | |
| 945 | |
| 946 #endif // HAVE_IBUS | |
| 947 | |
| 948 // static | |
| 949 IBusEngineController* IBusEngineController::Create(Observer* observer, | |
| 950 const char* engine_id, | |
| 951 const char* engine_name, | |
| 952 const char* description, | |
| 953 const char* language, | |
| 954 const char* layout) { | |
| 955 #if defined(HAVE_IBUS) | |
| 956 IBusEngineControllerImpl* connection = new IBusEngineControllerImpl(observer); | |
| 957 if (!connection->Init(engine_id, engine_name, description, language, | |
| 958 layout)) { | |
| 959 DVLOG(1) << "Failed to Init() IBusEngineControllerImpl. " | |
| 960 << "Returning NULL"; | |
| 961 delete connection; | |
| 962 connection = NULL; | |
| 963 } | |
| 964 return connection; | |
| 965 #else | |
| 966 return NULL; | |
| 967 #endif | |
| 968 } | |
| 969 | |
| 970 IBusEngineController::~IBusEngineController() { | |
| 971 } | |
| 972 | |
| 973 } // namespace input_method | |
| 974 } // namespace chromeos | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10834108:
Replace InputMethodEngineIBus. (Closed)
Base URL: http://git.chromium.org/chromium/src.git@input_method_engine_ibus