mirror of
https://gitee.com/openharmony/inputmethod_imf
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98 lines
2.9 KiB
C++
98 lines
2.9 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 SERVICES_INCLUDE_MESSAGE_HANDLER_H
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#define SERVICES_INCLUDE_MESSAGE_HANDLER_H
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#include <condition_variable>
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#include <mutex>
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#include <queue>
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#include "global.h"
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#include "message.h"
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#include "message_parcel.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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MSG_ID_USER_START = 0, // a user started
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MSG_ID_USER_REMOVED, // a user removed
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MSG_ID_PACKAGE_REMOVED, // a package is removed
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MSG_ID_BUNDLE_SCAN_FINISHED, // bundle scan finished, ready to create data share helper
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MSG_ID_PACKAGE_ADDED,
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MSG_ID_PACKAGE_CHANGED,
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MSG_ID_SYS_LANGUAGE_CHANGED,
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MSG_ID_OS_ACCOUNT_STARTED,
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MSG_ID_BOOT_COMPLETED,
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MSG_ID_SELECT_BY_RANGE,
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MSG_ID_SELECT_BY_MOVEMENT,
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MSG_ID_HANDLE_EXTEND_ACTION,
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MSG_ID_USER_STOP,
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MSG_ID_HIDE_KEYBOARD_SELF, // hide the current keyboard
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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_ON_INPUT_STOP,
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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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MSG_ID_ON_SWITCH_INPUT,
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MSG_ID_GET_TEXT_INDEX_AT_CURSOR,
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MSG_ID_GET_TEXT_BEFORE_CURSOR,
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MSG_ID_GET_TEXT_AFTER_CURSOR,
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MSG_ID_ON_PANEL_STATUS_CHANGE,
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// the request from IMSA to IMA
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MSG_ID_INIT_INPUT_CONTROL_CHANNEL,
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MSG_ID_SET_SUBTYPE,
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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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MSG_ID_ON_CONFIGURATION_CHANGE,
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MSG_ID_ON_ATTRIBUTE_CHANGE,
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MSG_ID_QUIT_WORKER_THREAD,
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MSG_ID_SET_COREANDANGENT,
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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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static std::mutex handlerMutex_;
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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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} // namespace MiscServices
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} // namespace OHOS
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#endif // SERVICES_INCLUDE_MESSAGE_HANDLER_H
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