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/*
* Copyright (C) 2020 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.
*/
#ifndef _UI_MOUSE_CURSOR_CONTROLLER_H
#define _UI_MOUSE_CURSOR_CONTROLLER_H
#include <gui/DisplayEventReceiver.h>
#include <input/DisplayViewport.h>
#include <input/Input.h>
#include <utils/BitSet.h>
#include <utils/Looper.h>
#include <utils/RefBase.h>
#include <functional>
#include <map>
#include <memory>
#include <vector>
#include "PointerControllerContext.h"
#include "SpriteController.h"
namespace android {
/*
* Helper class for PointerController that specifically handles
* mouse cursor resources and actions.
*/
class MouseCursorController {
public:
MouseCursorController(PointerControllerContext& context);
~MouseCursorController();
bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
void move(float deltaX, float deltaY);
void setButtonState(int32_t buttonState);
int32_t getButtonState() const;
void setPosition(float x, float y);
void getPosition(float* outX, float* outY) const;
int32_t getDisplayId() const;
void fade(PointerControllerInterface::Transition transition);
void unfade(PointerControllerInterface::Transition transition);
void setDisplayViewport(const DisplayViewport& viewport, bool getAdditionalMouseResources);
void updatePointerIcon(int32_t iconId);
void setCustomPointerIcon(const SpriteIcon& icon);
void reloadPointerResources(bool getAdditionalMouseResources);
void getAdditionalMouseResources();
bool isViewportValid();
bool doAnimations(nsecs_t timestamp);
bool resourcesLoaded();
private:
mutable std::mutex mLock;
PointerResources mResources;
PointerControllerContext& mContext;
struct Locked {
DisplayViewport viewport;
size_t animationFrameIndex;
nsecs_t lastFrameUpdatedTime;
int32_t pointerFadeDirection;
float pointerX;
float pointerY;
float pointerAlpha;
sp<Sprite> pointerSprite;
SpriteIcon pointerIcon;
bool updatePointerIcon;
bool resourcesLoaded;
std::map<int32_t, SpriteIcon> additionalMouseResources;
std::map<int32_t, PointerAnimation> animationResources;
int32_t requestedPointerType;
int32_t buttonState;
bool animating{false};
} mLocked GUARDED_BY(mLock);
bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
void setPositionLocked(float x, float y);
void updatePointerLocked();
void loadResourcesLocked(bool getAdditionalMouseResources);
bool doBitmapAnimationLocked(nsecs_t timestamp);
bool doFadingAnimationLocked(nsecs_t timestamp);
void startAnimationLocked();
};
} // namespace android
#endif // _UI_MOUSE_CURSOR_CONTROLLER_H
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