Support mouse hover event for BatteryChartView to highlight slot (8eff5cc1) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/fuelgauge/BatteryChartPreferenceController.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -350,7 +350,7 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
		private void addAllPreferences() {
		final List<BatteryDiffEntry> entries =
		mBatteryIndexedMap.get(Integer.valueOf(mTrapezoidIndex));
		addFooterPreferenceIfNeeded(!entries.isEmpty());
		addFooterPreferenceIfNeeded(entries != null && !entries.isEmpty());
		if (entries == null) {
		Log.w(TAG, "cannot find BatteryDiffEntry for:" + mTrapezoidIndex);
		return;

src/com/android/settings/fuelgauge/BatteryChartView.java

+39 −6

Original line number	Diff line number	Diff line
		@@ -79,12 +79,14 @@ public class BatteryChartView extends AppCompatImageView implements View.OnClick
		private boolean mIsSlotsClickabled;
		private String[] mPercentages = getPercentages();

		@VisibleForTesting int mSelectedIndex;
		@VisibleForTesting int mHoveredIndex = SELECTED_INDEX_INVALID;
		@VisibleForTesting int mSelectedIndex = SELECTED_INDEX_INVALID;
		@VisibleForTesting String[] mTimestamps;

		// Colors for drawing the trapezoid shape and dividers.
		private int mTrapezoidColor;
		private int mTrapezoidSolidColor;
		private int mTrapezoidHoverColor;
		// For drawing the percentage information.
		private int mTextPadding;
		private final Rect mIndent = new Rect();
		@@ -254,14 +256,42 @@ public class BatteryChartView extends AppCompatImageView implements View.OnClick
		public boolean onTouchEvent(MotionEvent event) {
		// Caches the location to calculate selected trapezoid index.
		final int action = event.getAction();
		if (action == MotionEvent.ACTION_UP) {
		switch (action) {
		case MotionEvent.ACTION_UP:
		mTouchUpEventX = event.getX();
		} else if (action == MotionEvent.ACTION_CANCEL) {
		break;
		case MotionEvent.ACTION_CANCEL:
		mTouchUpEventX = Float.MIN_VALUE; // reset
		break;
		}
		return super.onTouchEvent(event);
		}

		@Override
		public boolean onHoverEvent(MotionEvent event) {
		final int action = event.getAction();
		switch (action) {
		case MotionEvent.ACTION_HOVER_ENTER:
		case MotionEvent.ACTION_HOVER_MOVE:
		final int trapezoidIndex = getTrapezoidIndex(event.getX());
		if (mHoveredIndex != trapezoidIndex) {
		mHoveredIndex = trapezoidIndex;
		invalidate();
		}
		break;
		}
		return super.onHoverEvent(event);
		}

		@Override
		public void onHoverChanged(boolean hovered) {
		super.onHoverChanged(hovered);
		if (!hovered) {
		mHoveredIndex = SELECTED_INDEX_INVALID; // reset
		invalidate();
		}
		}

		@Override
		public void onClick(View view) {
		if (mTouchUpEventX == Float.MIN_VALUE) {
		@@ -347,6 +377,8 @@ public class BatteryChartView extends AppCompatImageView implements View.OnClick
		setBackgroundColor(Color.TRANSPARENT);
		mTrapezoidSolidColor = Utils.getColorAccentDefaultColor(context);
		mTrapezoidColor = Utils.getDisabled(context, mTrapezoidSolidColor);
		mTrapezoidHoverColor = Utils.getColorAttrDefaultColor(context,
		com.android.internal.R.attr.colorAccentSecondaryVariant);
		// Initializes the divider line paint.
		final Resources resources = getContext().getResources();
		mDividerWidth = resources.getDimensionPixelSize(R.dimen.chartview_divider_width);
		@@ -494,7 +526,8 @@ public class BatteryChartView extends AppCompatImageView implements View.OnClick
		? mTrapezoidColor
		: mSelectedIndex == index \|\| mSelectedIndex == SELECTED_INDEX_ALL
		? mTrapezoidSolidColor : mTrapezoidColor;
		mTrapezoidPaint.setColor(trapezoidColor);
		final boolean isHover = mHoveredIndex == index && isValidToDraw(mHoveredIndex);
		mTrapezoidPaint.setColor(isHover ? mTrapezoidHoverColor : trapezoidColor);

		final float leftTop = round(trapezoidBottom - mLevels[index] * unitHeight);
		final float rightTop = round(trapezoidBottom - mLevels[index + 1] * unitHeight);