1 /* 2 * Copyright (C) 2020 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 #ifndef _UI_MOUSE_CURSOR_CONTROLLER_H 18 #define _UI_MOUSE_CURSOR_CONTROLLER_H 19 20 #include <gui/DisplayEventReceiver.h> 21 #include <input/DisplayViewport.h> 22 #include <input/Input.h> 23 #include <utils/BitSet.h> 24 #include <utils/Looper.h> 25 #include <utils/RefBase.h> 26 27 #include <functional> 28 #include <map> 29 #include <memory> 30 #include <vector> 31 32 #include "PointerControllerContext.h" 33 #include "SpriteController.h" 34 35 namespace android { 36 37 /* 38 * Helper class for PointerController that specifically handles 39 * mouse cursor resources and actions. 40 */ 41 class MouseCursorController { 42 public: 43 MouseCursorController(PointerControllerContext& context); 44 ~MouseCursorController(); 45 46 std::optional<FloatRect> getBounds() const; 47 void move(float deltaX, float deltaY); 48 void setPosition(float x, float y); 49 FloatPoint getPosition() const; 50 int32_t getDisplayId() const; 51 void fade(PointerControllerInterface::Transition transition); 52 void unfade(PointerControllerInterface::Transition transition); 53 void setDisplayViewport(const DisplayViewport& viewport, bool getAdditionalMouseResources); 54 void setStylusHoverMode(bool stylusHoverMode); 55 56 void updatePointerIcon(PointerIconStyle iconId); 57 void setCustomPointerIcon(const SpriteIcon& icon); 58 void reloadPointerResources(bool getAdditionalMouseResources); 59 60 void getAdditionalMouseResources(); 61 bool isViewportValid(); 62 63 bool doAnimations(nsecs_t timestamp); 64 65 bool resourcesLoaded(); 66 67 private: 68 mutable std::mutex mLock; 69 70 PointerResources mResources; 71 72 PointerControllerContext& mContext; 73 74 struct Locked { 75 DisplayViewport viewport; 76 bool stylusHoverMode; 77 78 size_t animationFrameIndex; 79 nsecs_t lastFrameUpdatedTime; 80 81 int32_t pointerFadeDirection; 82 float pointerX; 83 float pointerY; 84 float pointerAlpha; 85 sp<Sprite> pointerSprite; 86 SpriteIcon pointerIcon; 87 bool updatePointerIcon; 88 89 bool resourcesLoaded; 90 91 std::map<PointerIconStyle, SpriteIcon> additionalMouseResources; 92 std::map<PointerIconStyle, PointerAnimation> animationResources; 93 94 PointerIconStyle requestedPointerType; 95 PointerIconStyle resolvedPointerType; 96 97 bool animating{false}; 98 99 } mLocked GUARDED_BY(mLock); 100 101 std::optional<FloatRect> getBoundsLocked() const; 102 void setPositionLocked(float x, float y); 103 104 void updatePointerLocked(); 105 106 void loadResourcesLocked(bool getAdditionalMouseResources); 107 108 bool doBitmapAnimationLocked(nsecs_t timestamp); 109 bool doFadingAnimationLocked(nsecs_t timestamp); 110 111 void startAnimationLocked(); 112 }; 113 114 } // namespace android 115 116 #endif // _UI_MOUSE_CURSOR_CONTROLLER_H 117