mirror of
https://github.com/openharmony/miscservices_inputmethod.git
synced 2026-07-18 09:14:40 -04:00
zhouyongfei
106 lines
3.5 KiB
C++
106 lines
3.5 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_CORE_AND_AGENT,
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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_FORWARD,
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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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MSG_ID_SEND_KEYBOARD_STATUS,
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MSG_ID_SEND_FUNCTION_KEY,
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MSG_ID_MOVE_CURSOR,
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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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MSG_ID_INIT_INPUT_CONTROL_CHANNEL,
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// the request from IMC to IMA
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MSG_ID_ON_CURSOR_UPDATE,
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MSG_ID_ON_SELECTION_CHANGE,
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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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