mirror of
https://github.com/openharmony/miscservices_inputmethod.git
synced 2026-07-19 12:08:05 -04:00
zhouyongfei
101 lines
3.3 KiB
C++
101 lines
3.3 KiB
C++
/*
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* Copyright (C) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*! \file MessageHandler.h */
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#ifndef FM_IMMS_PROJECT_MESSAGEHANDLER_H
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#define FM_IMMS_PROJECT_MESSAGEHANDLER_H
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#include <queue>
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#include <mutex>
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#include <condition_variable>
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#include "global.h"
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#include "message_parcel.h"
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#include "message.h"
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namespace OHOS {
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namespace MiscServices {
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namespace MessageID {
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enum {
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// for system broadcast
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MSG_ID_SYSTEM_START = 0, //!< system started
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MSG_ID_SYSTEM_STOP, //!< system stopped
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MSG_ID_USER_START, //!< a user started
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MSG_ID_USER_STOP, //!< a user stopped
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MSG_ID_USER_UNLOCK, //!< a user unlocked
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MSG_ID_USER_LOCK, //!< a user locked
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MSG_ID_PACKAGE_ADDED, //!< a package is installed
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MSG_ID_PACKAGE_REMOVED, //!< a package is removed
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MSG_ID_SETTING_CHANGED, //!< input method setting is changed
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// the request from client
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MSG_ID_PREPARE_INPUT, //!< prepare input
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MSG_ID_START_INPUT, //!< start input
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MSG_ID_STOP_INPUT, //!< stop input
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MSG_ID_RELEASE_INPUT, //!< release input
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MSG_ID_SET_INPUT_METHOD_CORE,
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// the request to handle the condition that the remote object died
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MSG_ID_CLIENT_DIED, //!< input client died
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MSG_ID_IMS_DIED, //!< input method service died
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MSG_ID_DISABLE_IMS, //!< disable input method service
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MSG_ID_RESTART_IMS, //!< restart input method service
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MSG_ID_HIDE_KEYBOARD_SELF, //!< hide the current keyboard
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MSG_ID_ADVANCE_TO_NEXT, //!< switch to next
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MSG_ID_SET_DISPLAY_MODE, //!< set display mode
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MSG_ID_SHELL_COMMAND, //!< shell command
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MSG_ID_EXIT_SERVICE, //!< exit service
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//the request from IMSA to IMC
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MSG_ID_INSERT_CHAR,
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MSG_ID_DELETE_BACKWARD,
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MSG_ID_CLOSE,
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MSG_ID_ON_INPUT_READY,
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// the request from IMSA to IMA
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MSG_ID_SHOW_KEYBOARD, //
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MSG_ID_INITIALIZE_INPUT, //
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MSG_ID_HIDE_KEYBOARD, //
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MSG_ID_SET_KEYBOARD_TYPE,
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MSG_ID_GET_KEYBOARD_WINDOW_HEIGHT,
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// the request from IMC to IMA
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MSG_ID_DISPATCH_KEY,//!< dispatch key from PhysicalKbd
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};
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}
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class MessageHandler {
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public:
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MessageHandler();
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~MessageHandler();
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void SendMessage(Message* msg);
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Message* GetMessage();
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static MessageHandler* Instance();
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private:
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std::mutex mMutex; //!< a mutex to guard message queue
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std::condition_variable mCV; //!< condition variable to work with mMutex
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std::queue<Message*> mQueue ;//!< Message queue, guarded by mMutex;
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MessageHandler(const MessageHandler&);
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MessageHandler& operator= (const MessageHandler&);
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MessageHandler(const MessageHandler&&);
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MessageHandler& operator= (const MessageHandler&&);
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};
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}
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}
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#endif // FM_IMMS_PROJECT_MESSAGEHANDLER_H
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