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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <bitset>
#include <ostream>
#include <set>
#include "TouchedWindow.h"
namespace android {
namespace gui {
class WindowInfoHandle;
}
namespace inputdispatcher {
struct TouchState {
std::vector<TouchedWindow> windows;
TouchState() = default;
~TouchState() = default;
TouchState& operator=(const TouchState&) = default;
void reset();
void clearWindowsWithoutPointers();
bool hasTouchingPointers(DeviceId deviceId) const;
void removeTouchingPointer(DeviceId deviceId, int32_t pointerId);
void removeTouchingPointerFromWindow(DeviceId deviceId, int32_t pointerId,
const sp<android::gui::WindowInfoHandle>& windowHandle);
void addOrUpdateWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
InputTarget::DispatchMode dispatchMode,
ftl::Flags<InputTarget::Flags> targetFlags, DeviceId deviceId,
std::bitset<MAX_POINTER_ID + 1> touchingPointerIds,
std::optional<nsecs_t> firstDownTimeInTarget = std::nullopt);
void addHoveringPointerToWindow(const sp<android::gui::WindowInfoHandle>& windowHandle,
DeviceId deviceId, int32_t hoveringPointerId);
void removeHoveringPointer(DeviceId deviceId, int32_t hoveringPointerId);
void clearHoveringPointers(DeviceId deviceId);
void removeAllPointersForDevice(DeviceId deviceId);
void removeWindowByToken(const sp<IBinder>& token);
// Cancel pointers for current set of windows except the window with particular binder token.
void cancelPointersForWindowsExcept(DeviceId deviceId,
std::bitset<MAX_POINTER_ID + 1> pointerIds,
const sp<IBinder>& token);
// Cancel pointers for current set of non-pilfering windows i.e. windows with isPilferingWindow
// set to false.
void cancelPointersForNonPilferingWindows();
sp<android::gui::WindowInfoHandle> getFirstForegroundWindowHandle() const;
bool isSlippery() const;
sp<android::gui::WindowInfoHandle> getWallpaperWindow() const;
const TouchedWindow& getTouchedWindow(
const sp<android::gui::WindowInfoHandle>& windowHandle) const;
// Whether any of the windows are currently being touched
bool isDown(DeviceId deviceId) const;
bool hasHoveringPointers(DeviceId deviceId) const;
std::set<sp<android::gui::WindowInfoHandle>> getWindowsWithHoveringPointer(
DeviceId deviceId, int32_t pointerId) const;
std::string dump() const;
};
std::ostream& operator<<(std::ostream& out, const TouchState& state);
} // namespace inputdispatcher
} // namespace android
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