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 bool getBounds(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const; 47 void move(float deltaX, float deltaY); 48 void setButtonState(int32_t buttonState); 49 int32_t getButtonState() const; 50 void setPosition(float x, float y); 51 void getPosition(float* outX, float* outY) const; 52 int32_t getDisplayId() const; 53 void fade(PointerControllerInterface::Transition transition); 54 void unfade(PointerControllerInterface::Transition transition); 55 void setDisplayViewport(const DisplayViewport& viewport, bool getAdditionalMouseResources); 56 57 void updatePointerIcon(int32_t iconId); 58 void setCustomPointerIcon(const SpriteIcon& icon); 59 void reloadPointerResources(bool getAdditionalMouseResources); 60 61 void getAdditionalMouseResources(); 62 bool isViewportValid(); 63 64 bool doAnimations(nsecs_t timestamp); 65 66 bool resourcesLoaded(); 67 68 private: 69 mutable std::mutex mLock; 70 71 PointerResources mResources; 72 73 PointerControllerContext& mContext; 74 75 struct Locked { 76 DisplayViewport viewport; 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<int32_t, SpriteIcon> additionalMouseResources; 92 std::map<int32_t, PointerAnimation> animationResources; 93 94 int32_t requestedPointerType; 95 96 int32_t buttonState; 97 98 bool animating{false}; 99 100 } mLocked GUARDED_BY(mLock); 101 102 bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const; 103 void setPositionLocked(float x, float y); 104 105 void updatePointerLocked(); 106 107 void loadResourcesLocked(bool getAdditionalMouseResources); 108 109 bool doBitmapAnimationLocked(nsecs_t timestamp); 110 bool doFadingAnimationLocked(nsecs_t timestamp); 111 112 void startAnimationLocked(); 113 }; 114 115 } // namespace android 116 117 #endif // _UI_MOUSE_CURSOR_CONTROLLER_H 118