1 /* 2 * Copyright (c) 2024 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 #ifndef INPUT_METHOD_CONTROLLER_H 16 #define INPUT_METHOD_CONTROLLER_H 17 18 #include <set> 19 #include <map> 20 #include "controller_listener.h" 21 #include "input_method_ffi_structs.h" 22 #include "event_handler.h" 23 #include "input_method_utils.h" 24 25 namespace OHOS { 26 namespace MiscServices { 27 class CjInputMethodController : public ControllerListener { 28 public: 29 CjInputMethodController() = default; 30 ~CjInputMethodController() = default; 31 static std::shared_ptr<CjInputMethodController> GetInstance(); 32 static int32_t Attach(const CTextConfig &txtCfg, bool showKeyboard); 33 static int32_t Detach(); 34 static int32_t ShowTextInput(); 35 static int32_t HideTextInput(); 36 static int32_t SetCallingWindow(uint32_t windowId); 37 static int32_t UpdateCursor(const CCursorInfo &cursor); 38 static int32_t ChangeSelection(const std::string &text, int32_t start, int32_t end); 39 static int32_t UpdateAttribute(const CInputAttribute &inputAttribute); 40 static int32_t ShowSoftKeyboard(); 41 static int32_t HideSoftKeyboard(); 42 static int32_t StopInputSession(); 43 static int32_t Subscribe(int8_t type, int64_t id); 44 static int32_t Unsubscribe(int8_t type); 45 void OnSelectByRange(int32_t start, int32_t end) override; 46 void OnSelectByMovement(int32_t direction) override; 47 void InsertText(const std::u16string &text); 48 void DeleteRight(int32_t length); 49 void DeleteLeft(int32_t length); 50 void SendKeyboardStatus(const KeyboardStatus &status); 51 void SendFunctionKey(const FunctionKey &functionKey); 52 void MoveCursor(const Direction direction); 53 void HandleExtendAction(int32_t action); 54 std::u16string GetLeftText(int32_t number); 55 std::u16string GetRightText(int32_t number); 56 int32_t GetTextIndexAtCursor(); 57 58 private: 59 static std::shared_ptr<AppExecFwk::EventHandler> GetEventHandler(); 60 static constexpr int32_t MAX_TIMEOUT = 2500; 61 void RegisterListener(int8_t type, int64_t id); 62 void UnRegisterListener(int8_t type); 63 void InitInsertText(int64_t id); 64 void InitDeleteRight(int64_t id); 65 void InitDeleteLeft(int64_t id); 66 void InitSendKeyboardStatus(int64_t id); 67 void InitSendFunctionKey(int64_t id); 68 void InitMoveCursor(int64_t id); 69 void InitHandleExtendAction(int64_t id); 70 void InitGetLeftText(int64_t id); 71 void InitGetRightText(int64_t id); 72 void InitSelectByRange(int64_t id); 73 void InitSelectByMovement(int64_t id); 74 void InitGetTextIndexAtCursor(int64_t id); 75 std::recursive_mutex mutex_; 76 std::function<void(Range)> onSelectByRange; 77 std::function<void(int32_t)> onSelectByMovement; 78 std::function<void(const char* text)> insertText; 79 std::function<void(int32_t length)> deleteRight; 80 std::function<void(int32_t length)> deleteLeft; 81 std::function<void(int32_t status)> sendKeyboardStatus; 82 std::function<void(int32_t functionKey)> sendFunctionKey; 83 std::function<void(int32_t direction)> moveCursor; 84 std::function<void(int32_t action)> handleExtendAction; 85 std::function<char*(int32_t number)> getLeftText; 86 std::function<char*(int32_t number)> getRightText; 87 std::function<int32_t(void)> getTextIndexAtCursor; 88 static std::mutex controllerMutex_; 89 static std::shared_ptr<CjInputMethodController> controller_; 90 }; 91 } // namespace MiscServices 92 } // namespace OHOS 93 #endif // INPUT_METHOD_CONTROLLER_H 94