1 /* 2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_ABILITY_RUNTIME_ABILITY_IMPL_H 17 #define OHOS_ABILITY_RUNTIME_ABILITY_IMPL_H 18 19 #include "ability.h" 20 #include "iability_lifecycle_callback.h" 21 #include "context.h" 22 #include "application_impl.h" 23 #include "ability_local_record.h" 24 #include "ability_handler.h" 25 #include "ability_manager_client.h" 26 #include "ability_manager_interface.h" 27 #ifdef SUPPORT_GRAPHICS 28 #include "i_input_event_consumer.h" 29 #endif 30 namespace OHOS { 31 namespace AppExecFwk { 32 class AbilityLifecycleCallbacks; 33 class OHOSApplication; 34 class AbilityImpl : public std::enable_shared_from_this<AbilityImpl> { 35 public: 36 AbilityImpl() = default; 37 virtual ~AbilityImpl() = default; 38 virtual void Init(const std::shared_ptr<OHOSApplication> &application, 39 const std::shared_ptr<AbilityLocalRecord> &record, 40 std::shared_ptr<Ability> &ability, 41 std::shared_ptr<AbilityHandler> &handler, 42 const sptr<IRemoteObject> &token); 43 44 /** 45 * @brief Connect the ability. and Calling information back to Ability. 46 * 47 * @param want The Want object to connect to. 48 * 49 */ 50 sptr<IRemoteObject> ConnectAbility(const Want &want); 51 52 /** 53 * @brief Disconnects the connected object. 54 * 55 * @param want The Want object to disconnect to. 56 */ 57 void DisconnectAbility(const Want &want); 58 59 /** 60 * @brief Command the ability. and Calling information back to Ability. 61 * 62 * @param want The Want object to command to. 63 * 64 * * @param restart Indicates the startup mode. The value true indicates that Service is restarted after being 65 * destroyed, and the value false indicates a normal startup. 66 * 67 * @param startId Indicates the number of times the Service ability has been started. The startId is incremented 68 * by 1 every time the ability is started. For example, if the ability has been started for six times, the value 69 * of startId is 6. 70 */ 71 void CommandAbility(const Want &want, bool restart, int startId); 72 73 /** 74 * @brief Prepare terminate the ability. 75 * 76 * @return Return true if ability need be terminated; return false if ability need stop terminating. 77 */ 78 bool PrepareTerminateAbility(); 79 80 /** 81 * @brief Gets the current Ability status. 82 * 83 */ 84 int GetCurrentState(); 85 86 /** 87 * @brief Save data and states of an ability when it is restored by the system. and Calling information back to 88 * Ability. This method should be implemented by a Page ability. 89 * 90 */ 91 void DispatchSaveAbilityState(); 92 93 /** 94 * @brief Restores data and states of an ability when it is restored by the system. and Calling information back 95 * to Ability. This method should be implemented by a Page ability. 96 * @param instate The Want object to connect to. 97 * 98 */ 99 void DispatchRestoreAbilityState(const PacMap &inState); 100 101 // Page Service Ability has different AbilityTransaction 102 virtual void HandleAbilityTransaction(const Want &want, const AAFwk::LifeCycleStateInfo &targetState, 103 sptr<AAFwk::SessionInfo> sessionInfo = nullptr); 104 105 /** 106 * @brief The life cycle callback. 107 * @param state The life cycle state to switch to. 108 */ 109 virtual void AbilityTransactionCallback(const AbilityLifeCycleState &state); 110 111 /** 112 * @brief Send the result code and data to be returned by this Page ability to the caller. 113 * When a Page ability is destroyed, the caller overrides the AbilitySlice#onAbilityResult(int, int, Want) 114 * method to receive the result set in the current method. This method can be called only after the ability has 115 * been initialized. 116 * 117 * @param requestCode Indicates the request code. 118 * @param resultCode Indicates the result code returned after the ability is destroyed. You can define the 119 * result code to identify an error. 120 * @param resultData Indicates the data returned after the ability is destroyed. You can define the data 121 * returned. This parameter can be null. 122 */ 123 void SendResult(int requestCode, int resultCode, const Want &resultData); 124 125 /** 126 * @brief Called when the launch mode of an ability is set to singleInstance. This happens when you re-launch 127 * an ability that has been at the top of the ability stack. 128 * 129 * @param want Indicates the new Want containing information about the ability. 130 */ 131 void NewWant(const Want &want); 132 133 /** 134 * @brief Obtains the MIME types of files supported. 135 * 136 * @param uri Indicates the path of the files to obtain. 137 * @param mimeTypeFilter Indicates the MIME types of the files to obtain. This parameter cannot be null. 138 * 139 * @return Returns the matched MIME types. If there is no match, null is returned. 140 */ 141 virtual std::vector<std::string> GetFileTypes(const Uri &uri, const std::string &mimeTypeFilter); 142 143 /** 144 * @brief Opens a file in a specified remote path. 145 * 146 * @param uri Indicates the path of the file to open. 147 * @param mode Indicates the file open mode, which can be "r" for read-only access, "w" for write-only access 148 * (erasing whatever data is currently in the file), "wt" for write access that truncates any existing file, 149 * "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing 150 * data, or "rwt" for read and write access that truncates any existing file. 151 * 152 * @return Returns the file descriptor. 153 */ 154 virtual int OpenFile(const Uri &uri, const std::string &mode); 155 156 /** 157 * @brief This is like openFile, open a file that need to be able to return sub-sections of files,often assets 158 * inside of their .hap. 159 * 160 * @param uri Indicates the path of the file to open. 161 * @param mode Indicates the file open mode, which can be "r" for read-only access, "w" for write-only access 162 * (erasing whatever data is currently in the file), "wt" for write access that truncates any existing file, 163 * "wa" for write-only access to append to any existing data, "rw" for read and write access on any existing 164 * data, or "rwt" for read and write access that truncates any existing file. 165 * 166 * @return Returns the RawFileDescriptor object containing file descriptor. 167 */ 168 virtual int OpenRawFile(const Uri &uri, const std::string &mode); 169 170 /** 171 * @brief Inserts a single data record into the database. 172 * 173 * @param uri Indicates the path of the data to operate. 174 * @param value Indicates the data record to insert. If this parameter is null, a blank row will be inserted. 175 * 176 * @return Returns the index of the inserted data record. 177 */ 178 virtual int Insert(const Uri &uri, const NativeRdb::ValuesBucket &value); 179 180 virtual std::shared_ptr<AppExecFwk::PacMap> Call( 181 const Uri &uri, const std::string &method, const std::string &arg, const AppExecFwk::PacMap &pacMap); 182 183 /** 184 * @brief Updates data records in the database. 185 * 186 * @param uri Indicates the path of data to update. 187 * @param value Indicates the data to update. This parameter can be null. 188 * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is 189 * null. 190 * 191 * @return Returns the number of data records updated. 192 */ 193 virtual int Update(const Uri &uri, const NativeRdb::ValuesBucket &value, 194 const NativeRdb::DataAbilityPredicates &predicates); 195 196 /** 197 * @brief Deletes one or more data records from the database. 198 * 199 * @param uri Indicates the path of the data to operate. 200 * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is 201 * null. 202 * 203 * @return Returns the number of data records deleted. 204 */ 205 virtual int Delete(const Uri &uri, const NativeRdb::DataAbilityPredicates &predicates); 206 207 /** 208 * @brief Deletes one or more data records from the database. 209 * 210 * @param uri Indicates the path of data to query. 211 * @param columns Indicates the columns to query. If this parameter is null, all columns are queried. 212 * @param predicates Indicates filter criteria. You should define the processing logic when this parameter is 213 * null. 214 * 215 * @return Returns the query result. 216 */ 217 virtual std::shared_ptr<NativeRdb::AbsSharedResultSet> Query( 218 const Uri &uri, std::vector<std::string> &columns, const NativeRdb::DataAbilityPredicates &predicates); 219 220 /** 221 * @brief Obtains the MIME type matching the data specified by the URI of the Data ability. This method should 222 * be implemented by a Data ability. Data abilities supports general data types, including text, HTML, and JPEG. 223 * 224 * @param uri Indicates the URI of the data. 225 * 226 * @return Returns the MIME type that matches the data specified by uri. 227 */ 228 virtual std::string GetType(const Uri &uri); 229 230 /** 231 * @brief Reloads data in the database. 232 * 233 * @param uri Indicates the position where the data is to reload. This parameter is mandatory. 234 * @param extras Indicates the PacMap object containing the additional parameters to be passed in this call. 235 * This parameter can be null. If a custom Sequenceable object is put in the PacMap object and will be 236 * transferred across processes, you must call BasePacMap.setClassLoader(ClassLoader) to set a class loader for 237 * the custom object. 238 * 239 * @return Returns true if the data is successfully reloaded; returns false otherwise. 240 */ 241 virtual bool Reload(const Uri &uri, const PacMap &extras); 242 243 /** 244 * @brief Inserts multiple data records into the database. 245 * 246 * @param uri Indicates the path of the data to operate. 247 * @param values Indicates the data records to insert. 248 * 249 * @return Returns the number of data records inserted. 250 */ 251 virtual int BatchInsert(const Uri &uri, const std::vector<NativeRdb::ValuesBucket> &values); 252 253 /** 254 * @brief Set deviceId/bundleName/abilityName of the calling ability 255 * 256 * @param deviceId deviceId of the calling ability 257 * 258 * @param deviceId bundleName of the calling ability 259 * 260 * @param deviceId abilityName of the calling ability 261 */ 262 void SetCallingContext(const std::string &deviceId, const std::string &bundleName, 263 const std::string &abilityName, const std::string &moduleName); 264 265 /** 266 * @brief Converts the given uri that refer to the Data ability into a normalized URI. A normalized URI can be used 267 * across devices, persisted, backed up, and restored. It can refer to the same item in the Data ability even if the 268 * context has changed. If you implement URI normalization for a Data ability, you must also implement 269 * denormalizeUri(ohos.utils.net.Uri) to enable URI denormalization. After this feature is enabled, URIs passed to 270 * any method that is called on the Data ability must require normalization verification and denormalization. The 271 * default implementation of this method returns null, indicating that this Data ability does not support URI 272 * normalization. 273 * 274 * @param uri Indicates the Uri object to normalize. 275 * 276 * @return Returns the normalized Uri object if the Data ability supports URI normalization; returns null otherwise. 277 */ 278 virtual Uri NormalizeUri(const Uri &uri); 279 280 /** 281 * @brief Converts the given normalized uri generated by normalizeUri(ohos.utils.net.Uri) into a denormalized one. 282 * The default implementation of this method returns the original URI passed to it. 283 * 284 * @param uri uri Indicates the Uri object to denormalize. 285 * 286 * @return Returns the denormalized Uri object if the denormalization is successful; returns the original Uri passed 287 * to this method if there is nothing to do; returns null if the data identified by the original Uri cannot be found 288 * in the current environment. 289 */ 290 virtual Uri DenormalizeUri(const Uri &uri); 291 292 /** 293 * @brief ScheduleUpdateConfiguration, scheduling update configuration. 294 */ 295 void ScheduleUpdateConfiguration(const Configuration &config); 296 297 /** 298 * @brief Create a PostEvent timeout task. The default delay is 5000ms 299 * 300 * @return Return a smart pointer to a timeout object 301 */ 302 std::shared_ptr<AbilityPostEventTimeout> CreatePostEventTimeouter(std::string taskstr); 303 304 virtual std::vector<std::shared_ptr<DataAbilityResult>> ExecuteBatch( 305 const std::vector<std::shared_ptr<DataAbilityOperation>> &operations); 306 307 /** 308 * @brief continue ability to target device. 309 * 310 * @param deviceId target deviceId 311 * @param versionCode Target bundle version. 312 * @return 313 */ 314 void ContinueAbility(const std::string& deviceId, uint32_t versionCode); 315 316 /** 317 * @brief Notify continuation result to ability. 318 * 319 * @param result Continuaton result. 320 * 321 * @return 322 */ 323 virtual void NotifyContinuationResult(int32_t result); 324 325 /** 326 * @brief Notify current memory level to ability. 327 * 328 * @param level Current memory level. 329 * 330 * @return 331 */ 332 virtual void NotifyMemoryLevel(int32_t level); 333 334 bool IsStageBasedModel() const; 335 336 /** 337 * @brief Provide operating system ShareData information to the observer 338 * 339 * @param uniqueId Indicates the Id of request 340 * 341 * @return 342 */ 343 virtual void HandleShareData(const int32_t &uniqueId); 344 345 #ifdef SUPPORT_GRAPHICS 346 public: 347 /** 348 * @brief Execution the KeyDown callback of the ability 349 * @param keyEvent Indicates the key-down event. 350 * 351 * @return Returns true if this event is handled and will not be passed further; returns false if this event is 352 * not handled and should be passed to other handlers. 353 * 354 */ 355 virtual void DoKeyDown(const std::shared_ptr<MMI::KeyEvent>& keyEvent); 356 357 /** 358 * @brief Execution the KeyUp callback of the ability 359 * @param keyEvent Indicates the key-up event. 360 * 361 * @return Returns true if this event is handled and will not be passed further; returns false if this event is 362 * not handled and should be passed to other handlers. 363 * 364 */ 365 virtual void DoKeyUp(const std::shared_ptr<MMI::KeyEvent>& keyEvent); 366 367 /** 368 * @brief Called when a touch event is dispatched to this ability. The default implementation of this callback 369 * does nothing and returns false. 370 * @param touchEvent Indicates information about the touch event. 371 * 372 * @return Returns true if the event is handled; returns false otherwise. 373 * 374 */ 375 virtual void DoPointerEvent(std::shared_ptr<MMI::PointerEvent>& pointerEvent); 376 377 void AfterUnFocused(); 378 void AfterFocused(); 379 380 protected: 381 /** 382 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INACTIVE. And notifies the application 383 * that it belongs to of the lifecycle status. 384 * 385 * @param want The Want object to switch the life cycle. 386 */ 387 void Foreground(const Want &want); 388 389 /** 390 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_BACKGROUND. And notifies the 391 * application that it belongs to of the lifecycle status. 392 * 393 */ 394 void Background(); 395 #endif 396 397 protected: 398 /** 399 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INACTIVE. And notifies the application 400 * that it belongs to of the lifecycle status. 401 * 402 * @param want The Want object to switch the life cycle. 403 * @param sessionInfo Indicates the sessionInfo. 404 */ 405 void Start(const Want &want, sptr<AAFwk::SessionInfo> sessionInfo = nullptr); 406 407 /** 408 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INITIAL. And notifies the application 409 * that it belongs to of the lifecycle status. 410 * 411 */ 412 void Stop(); 413 414 /** 415 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INITIAL. And notifies the application 416 * that it belongs to of the lifecycle status. 417 * @param isAsyncCallback Indicates whether it is an asynchronous lifecycle callback 418 */ 419 void Stop(bool &isAsyncCallback); 420 421 /** 422 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INITIAL. And notifies the application 423 * that it belongs to of the lifecycle status. 424 */ 425 void StopCallback(); 426 427 /** 428 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_ACTIVE. And notifies the application 429 * that it belongs to of the lifecycle status. 430 * 431 */ 432 void Active(); 433 434 /** 435 * @brief Toggles the lifecycle status of Ability to AAFwk::ABILITY_STATE_INACTIVE. And notifies the application 436 * that it belongs to of the lifecycle status. 437 * 438 */ 439 void Inactive(); 440 441 /** 442 * @brief SetUriString 443 * 444 * @param uri the uri to set. 445 */ 446 void SetUriString(const std::string &uri); 447 448 /** 449 * @brief Set the LifeCycleStateInfo to the deal. 450 * 451 * @param info the info to set. 452 */ 453 void SetLifeCycleStateInfo(const AAFwk::LifeCycleStateInfo &info); 454 455 /** 456 * @brief Check if it needs to restore the data to the ability. 457 * 458 * @return Return true if success, otherwise return false. 459 */ 460 bool CheckAndRestore(); 461 462 /** 463 * @brief Check if it needs to save the data to the ability. 464 * 465 * @return Return true if success, otherwise return false. 466 */ 467 bool CheckAndSave(); 468 469 /** 470 * @brief Get share wantParam. 471 * 472 * @param WantParams 473 * 474 * @return Return the result of share. 475 */ 476 int32_t Share(WantParams &wantParam); 477 478 PacMap &GetRestoreData(); 479 480 bool isStageBasedModel_ = false; 481 bool notifyForegroundByWindow_ = false; 482 bool notifyForegroundByAbility_ = false; 483 int lifecycleState_ = AAFwk::ABILITY_STATE_INITIAL; 484 sptr<IRemoteObject> token_; 485 std::shared_ptr<Ability> ability_; 486 std::shared_ptr<AbilityHandler> handler_; 487 std::mutex notifyForegroundLock_; 488 489 private: 490 std::shared_ptr<ApplicationImpl> applicationImpl_; 491 std::shared_ptr<ContextDeal> contextDeal_; 492 bool hasSaveData_ = false; 493 bool needSaveDate_ = false; 494 PacMap restoreData_; 495 496 private: 497 void AfterFocusedCommon(bool isFocused); 498 499 #ifdef SUPPORT_SCREEN 500 private: 501 class WindowLifeCycleImpl : public Rosen::IWindowLifeCycle { 502 public: WindowLifeCycleImpl(const sptr<IRemoteObject> & token,const std::shared_ptr<AbilityImpl> & owner)503 WindowLifeCycleImpl(const sptr<IRemoteObject>& token, const std::shared_ptr<AbilityImpl>& owner) 504 : token_(token), owner_(owner) {} ~WindowLifeCycleImpl()505 virtual ~WindowLifeCycleImpl() {} 506 void AfterForeground() override; 507 void AfterBackground() override; 508 void AfterFocused() override; 509 void AfterUnfocused() override; 510 void ForegroundFailed(int32_t type) override; 511 void BackgroundFailed(int32_t type) override; 512 private: 513 sptr<IRemoteObject> token_ = nullptr; 514 std::weak_ptr<AbilityImpl> owner_; 515 }; 516 517 class InputEventConsumerImpl : public MMI::IInputEventConsumer { 518 public: InputEventConsumerImpl(const std::shared_ptr<AbilityImpl> & abilityImpl)519 explicit InputEventConsumerImpl(const std::shared_ptr<AbilityImpl>& abilityImpl) : abilityImpl_(abilityImpl) {} 520 ~InputEventConsumerImpl() = default; 521 void OnInputEvent(std::shared_ptr<MMI::KeyEvent> keyEvent) const override; 522 void OnInputEvent(std::shared_ptr<MMI::PointerEvent> pointerEvent) const override; OnInputEvent(std::shared_ptr<MMI::AxisEvent> axisEvent)523 void OnInputEvent(std::shared_ptr<MMI::AxisEvent> axisEvent) const override {} 524 private: 525 std::shared_ptr<AbilityImpl> abilityImpl_; 526 }; 527 #endif 528 }; 529 } // namespace AppExecFwk 530 } // namespace OHOS 531 #endif // OHOS_ABILITY_RUNTIME_ABILITY_IMPL_H 532