Linnan Li
0defadf2c5
Currently, we use int32_t for displayId, which is not a safe type, and it may also lead to misdefinition of types. Here, we introduce LogicalDisplayId as a strong type for displayId and move all contents of constants.h into LogicalDisplayId.h. Bug: 339106983 Test: atest inputflinger_tests Test: atest InputTests Test: presubmit Change-Id: I1c348d7f08524471391b21eaba938501506a7772 Signed-off-by: Linnan Li <lilinnan@xiaomi.corp-partner.google.com>
102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _UI_TOUCH_SPOT_CONTROLLER_H
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#define _UI_TOUCH_SPOT_CONTROLLER_H
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#include <functional>
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#include "PointerControllerContext.h"
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namespace android {
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/*
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* Helper class for PointerController that specifically handles
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* touch spot resources and actions for a single display.
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*/
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class TouchSpotController {
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public:
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TouchSpotController(ui::LogicalDisplayId displayId, PointerControllerContext& context);
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~TouchSpotController();
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void setSpots(const PointerCoords* spotCoords, const uint32_t* spotIdToIndex,
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BitSet32 spotIdBits, bool skipScreenshot);
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void clearSpots();
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void reloadSpotResources();
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bool doAnimations(nsecs_t timestamp);
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void dump(std::string& out, const char* prefix = "") const;
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private:
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struct Spot {
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static const uint32_t INVALID_ID = 0xffffffff;
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uint32_t id;
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sp<Sprite> sprite;
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float alpha;
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float scale;
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float x, y;
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inline Spot(uint32_t id, const sp<Sprite>& sprite)
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: id(id),
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sprite(sprite),
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alpha(1.0f),
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scale(1.0f),
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x(0.0f),
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y(0.0f),
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mLastIcon(nullptr) {}
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void updateSprite(const SpriteIcon* icon, float x, float y, ui::LogicalDisplayId displayId,
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bool skipScreenshot);
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void dump(std::string& out, const char* prefix = "") const;
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private:
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const SpriteIcon* mLastIcon;
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};
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ui::LogicalDisplayId mDisplayId;
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mutable std::mutex mLock;
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PointerResources mResources;
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PointerControllerContext& mContext;
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static constexpr size_t MAX_RECYCLED_SPRITES = 12;
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static constexpr size_t MAX_SPOTS = 12;
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struct Locked {
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std::vector<Spot*> displaySpots;
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std::vector<sp<Sprite>> recycledSprites;
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bool animating{false};
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} mLocked GUARDED_BY(mLock);
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Spot* getSpot(uint32_t id, const std::vector<Spot*>& spots);
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Spot* createAndAddSpotLocked(uint32_t id, std::vector<Spot*>& spots);
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Spot* removeFirstFadingSpotLocked(std::vector<Spot*>& spots);
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void releaseSpotLocked(Spot* spot);
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void fadeOutAndReleaseSpotLocked(Spot* spot);
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void fadeOutAndReleaseAllSpotsLocked();
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bool doFadingAnimationLocked(nsecs_t timestamp);
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void startAnimationLocked();
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};
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} // namespace android
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#endif // _UI_TOUCH_SPOT_CONTROLLER_H
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