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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 <gui/WindowInfo.h>
#include <input/Input.h>
#include <utils/BitSet.h>
#include <bitset>
#include <ostream>
#include <set>
#include "InputTarget.h"
namespace android {
namespace inputdispatcher {
// Focus tracking for touch.
struct TouchedWindow {
sp<gui::WindowInfoHandle> windowHandle;
InputTarget::DispatchMode dispatchMode = InputTarget::DispatchMode::AS_IS;
ftl::Flags<InputTarget::Flags> targetFlags;
// Hovering
bool hasHoveringPointers() const;
bool hasHoveringPointers(DeviceId deviceId) const;
bool hasHoveringPointer(DeviceId deviceId, int32_t pointerId) const;
void addHoveringPointer(DeviceId deviceId, int32_t pointerId);
void removeHoveringPointer(DeviceId deviceId, int32_t pointerId);
// Touching
bool hasTouchingPointer(DeviceId deviceId, int32_t pointerId) const;
bool hasTouchingPointers() const;
bool hasTouchingPointers(DeviceId deviceId) const;
std::bitset<MAX_POINTER_ID + 1> getTouchingPointers(DeviceId deviceId) const;
void addTouchingPointers(DeviceId deviceId, std::bitset<MAX_POINTER_ID + 1> pointers);
void removeTouchingPointer(DeviceId deviceId, int32_t pointerId);
void removeTouchingPointers(DeviceId deviceId, std::bitset<MAX_POINTER_ID + 1> pointers);
std::set<DeviceId> getTouchingDeviceIds() const;
// Pilfering pointers
bool hasPilferingPointers(DeviceId deviceId) const;
void addPilferingPointers(DeviceId deviceId, std::bitset<MAX_POINTER_ID + 1> pointerIds);
void addPilferingPointer(DeviceId deviceId, int32_t pointerId);
std::bitset<MAX_POINTER_ID + 1> getPilferingPointers(DeviceId deviceId) const;
std::map<DeviceId, std::bitset<MAX_POINTER_ID + 1>> getPilferingPointers() const;
// Down time
std::optional<nsecs_t> getDownTimeInTarget(DeviceId deviceId) const;
void trySetDownTimeInTarget(DeviceId deviceId, nsecs_t downTime);
void removeAllTouchingPointersForDevice(DeviceId deviceId);
void removeAllHoveringPointersForDevice(DeviceId deviceId);
void clearHoveringPointers(DeviceId deviceId);
std::string dump() const;
private:
struct DeviceState {
std::bitset<MAX_POINTER_ID + 1> touchingPointerIds;
// The pointer ids of the pointers that this window is currently pilfering, by device
std::bitset<MAX_POINTER_ID + 1> pilferingPointerIds;
// Time at which the first action down occurred on this window, for each device
// NOTE: This is not initialized in case of HOVER entry/exit and DISPATCH_AS_OUTSIDE
// scenario.
std::optional<nsecs_t> downTimeInTarget;
std::bitset<MAX_POINTER_ID + 1> hoveringPointerIds;
bool hasPointers() const { return touchingPointerIds.any() || hoveringPointerIds.any(); };
};
std::map<DeviceId, DeviceState> mDeviceStates;
static std::string deviceStateToString(const TouchedWindow::DeviceState& state);
};
std::ostream& operator<<(std::ostream& out, const TouchedWindow& window);
} // namespace inputdispatcher
} // namespace android
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