Use std::vector to store slots
We are currently using a raw vector allocated via 'new' to store Slots.
To prepare for simultaneous touch and stylus functionality, let's store
slots in a vector.
Bug: TBD
Test: atest inputflinger_tests
Change-Id: I2506e348e8b93c0ba1c642fb7c1af6268fea72ba
diff --git a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
index b7c3457..fe8af5d 100644
--- a/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
+++ b/services/inputflinger/reader/mapper/MultiTouchInputMapper.h
@@ -46,29 +46,27 @@
private:
friend class MultiTouchMotionAccumulator;
- bool mInUse;
- bool mHaveAbsMTTouchMinor;
- bool mHaveAbsMTWidthMinor;
- bool mHaveAbsMTToolType;
+ bool mInUse = false;
+ bool mHaveAbsMTTouchMinor = false;
+ bool mHaveAbsMTWidthMinor = false;
+ bool mHaveAbsMTToolType = false;
- int32_t mAbsMTPositionX;
- int32_t mAbsMTPositionY;
- int32_t mAbsMTTouchMajor;
- int32_t mAbsMTTouchMinor;
- int32_t mAbsMTWidthMajor;
- int32_t mAbsMTWidthMinor;
- int32_t mAbsMTOrientation;
- int32_t mAbsMTTrackingId;
- int32_t mAbsMTPressure;
- int32_t mAbsMTDistance;
- int32_t mAbsMTToolType;
+ int32_t mAbsMTPositionX = 0;
+ int32_t mAbsMTPositionY = 0;
+ int32_t mAbsMTTouchMajor = 0;
+ int32_t mAbsMTTouchMinor = 0;
+ int32_t mAbsMTWidthMajor = 0;
+ int32_t mAbsMTWidthMinor = 0;
+ int32_t mAbsMTOrientation = 0;
+ int32_t mAbsMTTrackingId = -1;
+ int32_t mAbsMTPressure = 0;
+ int32_t mAbsMTDistance = 0;
+ int32_t mAbsMTToolType = 0;
- Slot();
- void clear();
+ void clear() { *this = Slot(); }
};
MultiTouchMotionAccumulator();
- ~MultiTouchMotionAccumulator();
void configure(InputDeviceContext& deviceContext, size_t slotCount, bool usingSlotsProtocol);
void reset(InputDeviceContext& deviceContext);
@@ -76,13 +74,15 @@
void finishSync();
bool hasStylus() const;
- inline size_t getSlotCount() const { return mSlotCount; }
- inline const Slot* getSlot(size_t index) const { return &mSlots[index]; }
+ inline size_t getSlotCount() const { return mSlots.size(); }
+ inline const Slot& getSlot(size_t index) const {
+ LOG_ALWAYS_FATAL_IF(index < 0 || index >= mSlots.size(), "Invalid index: %zu", index);
+ return mSlots[index];
+ }
private:
int32_t mCurrentSlot;
- Slot* mSlots;
- size_t mSlotCount;
+ std::vector<Slot> mSlots;
bool mUsingSlotsProtocol;
bool mHaveStylus;