xref: /aosp_15_r20/frameworks/native/services/inputflinger/dispatcher/DragState.h (revision 38e8c45f13ce32b0dcecb25141ffecaf386fa17f)
1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <gui/WindowInfo.h>
20 #include <input/Input.h>
21 #include <utils/StrongPointer.h>
22 #include <string>
23 
24 namespace android {
25 
26 namespace inputdispatcher {
27 
28 struct DragState {
DragStateDragState29     DragState(const sp<android::gui::WindowInfoHandle>& windowHandle, DeviceId deviceId,
30               int32_t pointerId)
31           : dragWindow(windowHandle), deviceId(deviceId), pointerId(pointerId) {}
32     void dump(std::string& dump, const char* prefix = "");
33 
34     // The window being dragged.
35     const sp<android::gui::WindowInfoHandle> dragWindow;
36     // The last drag hover window which could receive the drag event.
37     sp<android::gui::WindowInfoHandle> dragHoverWindowHandle;
38     // Indicates the if received first event to check for button state.
39     bool isStartDrag = false;
40     // Indicate if the stylus button is down at the start of the drag.
41     bool isStylusButtonDownAtStart = false;
42     // Indicate which device started this drag and drop.
43     const DeviceId deviceId;
44     // Indicate which pointer id is tracked by the drag and drop.
45     const int32_t pointerId;
46 };
47 
48 } // namespace inputdispatcher
49 } // namespace android
50