1 /* 2 * Copyright (c) 2022 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 FOUNDATION_ACE_ADAPTER_PREVIEW_ENTRANCE_EVENT_DISPATCHER_H 17 #define FOUNDATION_ACE_ADAPTER_PREVIEW_ENTRANCE_EVENT_DISPATCHER_H 18 19 #include "base/memory/referenced.h" 20 #include "base/utils/singleton.h" 21 #include "base/utils/macros.h" 22 #include "core/event/key_event.h" 23 #include "core/event/touch_event.h" 24 #include "core/common/clipboard/clipboard_proxy.h" 25 #include "flutter/shell/platform/glfw/public/flutter_glfw.h" 26 27 namespace OHOS::Ace::Platform { 28 29 using CallbackGetKeyboardStatus = std::function< bool(void) >; 30 31 class ACE_FORCE_EXPORT_WITH_PREVIEW EventDispatcher : public Singleton<EventDispatcher> { 32 DECLARE_SINGLETON(EventDispatcher); 33 public: 34 void Initialize(); 35 void SetGlfwWindowController(const FlutterDesktopWindowControllerRef& controller); 36 void DispatchIdleEvent(int64_t deadline); 37 bool DispatchTouchEvent(const TouchEvent& event); 38 bool DispatchBackPressedEvent(); 39 bool DispatchInputMethodEvent(unsigned int code_point); 40 bool DispatchKeyEvent(const KeyEvent& event); 41 void RegisterCallbackGetCapsLockStatus(CallbackGetKeyboardStatus callback); 42 void RegisterCallbackGetNumLockStatus(CallbackGetKeyboardStatus callback); 43 44 private: 45 // Process all printable characters. If the input method is used, this function is invalid. 46 bool HandleTextKeyEvent(const KeyEvent& event); 47 FlutterDesktopWindowControllerRef controller_ = nullptr; 48 CallbackGetKeyboardStatus callbackGetCapsLockStatus_; 49 CallbackGetKeyboardStatus callbackGetNumLockStatus_; 50 }; 51 52 } // namespace OHOS::Ace::Platform 53 54 #endif // FOUNDATION_ACE_ADAPTER_PREVIEW_ENTRANCE_EVENT_DISPATCHER_H 55