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 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_IME_INPUT_METHOD_MANAGER_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_IME_INPUT_METHOD_MANAGER_H
18 
19 #include "base/memory/referenced.h"
20 #include "core/components_ng/base/frame_node.h"
21 
22 namespace OHOS::Ace {
23 class InputMethodManager final {
24 
25 public:
26     static InputMethodManager* GetInstance();
27     void OnFocusNodeChange(const RefPtr<NG::FrameNode>& focusNode);
28     void SetWindowFocus(bool windowFocus);
29     bool NeedSoftKeyboard() const;
30     // Close the keyboard in-process
31     void CloseKeyboard();
32     void CloseKeyboardInPipelineDestroy();
33     void CloseKeyboard(const RefPtr<NG::FrameNode>& focusNode);
34     // Hide the keyboard across processes
35     void HideKeyboardAcrossProcesses();
36     void ProcessModalPageScene();
37 
38 private:
39     InputMethodManager() = default;
40     InputMethodManager(const InputMethodManager&) = delete;
41     InputMethodManager& operator=(const InputMethodManager&) = delete;
42 
43     void ProcessKeyboardInWindowScene(const RefPtr<NG::FrameNode>& curFocusNode);
44     void ProcessKeyboard(const RefPtr<NG::FrameNode>& curFocusNode);
45 
46     static std::unique_ptr<InputMethodManager> instance_;
47     static std::mutex mtx_;
48 
49     std::optional<bool> windowFocus_;
50     WeakPtr<NG::FrameNode> curFocusNode_;
51     bool lastKeep_ = false;
52 };
53 } // namespace OHOS::Ace
54 
55 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_IME_INPUT_METHOD_MANAGER_H