Snap for 10697761 from 771f87445d52adac1b736b68fbf7539fe34280d4 to udc-qpr1-release (9ceb2a4b) · Commits · e / os / android_frameworks_libs_systemui

iconloaderlib/src/com/android/launcher3/icons/FastBitmapDrawable.java

+39 −19

Original line number	Diff line number	Diff line
		@@ -34,16 +34,21 @@ import android.util.FloatProperty;
		import android.view.animation.AccelerateInterpolator;
		import android.view.animation.DecelerateInterpolator;
		import android.view.animation.Interpolator;
		import android.view.animation.PathInterpolator;

		import androidx.annotation.Nullable;
		import androidx.annotation.VisibleForTesting;
		import androidx.core.graphics.ColorUtils;

		public class FastBitmapDrawable extends Drawable implements Drawable.Callback {

		private static final Interpolator ACCEL = new AccelerateInterpolator();
		private static final Interpolator DEACCEL = new DecelerateInterpolator();
		private static final Interpolator HOVER_EMPHASIZED_DECELERATE_INTERPOLATOR =
		new PathInterpolator(0.05f, 0.7f, 0.1f, 1.0f);

		private static final float PRESSED_SCALE = 1.1f;
		@VisibleForTesting protected static final float PRESSED_SCALE = 1.1f;
		@VisibleForTesting protected static final float HOVERED_SCALE = 1.1f;
		public static final int WHITE_SCRIM_ALPHA = 138;

		private static final float DISABLED_DESATURATION = 1f;
		@@ -51,6 +56,9 @@ public class FastBitmapDrawable extends Drawable implements Drawable.Callback {
		protected static final int FULLY_OPAQUE = 255;

		public static final int CLICK_FEEDBACK_DURATION = 200;
		public static final int HOVER_FEEDBACK_DURATION = 300;

		private static boolean sFlagHoverEnabled = false;

		protected final Paint mPaint = new Paint(Paint.FILTER_BITMAP_FLAG \| Paint.ANTI_ALIAS_FLAG);
		protected final Bitmap mBitmap;
		@@ -58,12 +66,13 @@ public class FastBitmapDrawable extends Drawable implements Drawable.Callback {

		@Nullable private ColorFilter mColorFilter;

		private boolean mIsPressed;
		@VisibleForTesting protected boolean mIsPressed;
		@VisibleForTesting protected boolean mIsHovered;
		protected boolean mIsDisabled;
		float mDisabledAlpha = 1f;

		// Animator and properties for the fast bitmap drawable's scale
		private static final FloatProperty<FastBitmapDrawable> SCALE
		@VisibleForTesting protected static final FloatProperty<FastBitmapDrawable> SCALE
		= new FloatProperty<FastBitmapDrawable>("scale") {
		@Override
		public Float get(FastBitmapDrawable fastBitmapDrawable) {
		@@ -76,7 +85,7 @@ public class FastBitmapDrawable extends Drawable implements Drawable.Callback {
		fastBitmapDrawable.invalidateSelf();
		}
		};
		private ObjectAnimator mScaleAnimation;
		@VisibleForTesting protected ObjectAnimator mScaleAnimation;
		private float mScale = 1;
		private int mAlpha = 255;

		@@ -223,37 +232,41 @@ public class FastBitmapDrawable extends Drawable implements Drawable.Callback {
		@Override
		protected boolean onStateChange(int[] state) {
		boolean isPressed = false;
		boolean isHovered = false;
		for (int s : state) {
		if (s == android.R.attr.state_pressed) {
		isPressed = true;
		break;
		} else if (sFlagHoverEnabled && s == android.R.attr.state_hovered) {
		isHovered = true;
		// Do not break on hovered state, as pressed state should take precedence.
		}
		}
		if (mIsPressed != isPressed) {
		mIsPressed = isPressed;

		if (mIsPressed != isPressed \|\| mIsHovered != isHovered) {
		if (mScaleAnimation != null) {
		mScaleAnimation.cancel();
		mScaleAnimation = null;
		}

		if (mIsPressed) {
		// Animate when going to pressed state
		mScaleAnimation = ObjectAnimator.ofFloat(this, SCALE, PRESSED_SCALE);
		mScaleAnimation.setDuration(CLICK_FEEDBACK_DURATION);
		mScaleAnimation.setInterpolator(ACCEL);
		mScaleAnimation.start();
		} else {
		float endScale = isPressed ? PRESSED_SCALE : (isHovered ? HOVERED_SCALE : 1f);
		if (mScale != endScale) {
		if (isVisible()) {
		mScaleAnimation = ObjectAnimator.ofFloat(this, SCALE, 1f);
		mScaleAnimation.setDuration(CLICK_FEEDBACK_DURATION);
		mScaleAnimation.setInterpolator(DEACCEL);
		Interpolator interpolator =
		isPressed != mIsPressed ? (isPressed ? ACCEL : DEACCEL)
		: HOVER_EMPHASIZED_DECELERATE_INTERPOLATOR;
		int duration =
		isPressed != mIsPressed ? CLICK_FEEDBACK_DURATION
		: HOVER_FEEDBACK_DURATION;
		mScaleAnimation = ObjectAnimator.ofFloat(this, SCALE, endScale);
		mScaleAnimation.setDuration(duration);
		mScaleAnimation.setInterpolator(interpolator);
		mScaleAnimation.start();
		} else {
		mScale = 1f;
		mScale = endScale;
		invalidateSelf();
		}
		}
		mIsPressed = isPressed;
		mIsHovered = isHovered;
		return true;
		}
		return false;
		@@ -366,6 +379,13 @@ public class FastBitmapDrawable extends Drawable implements Drawable.Callback {
		unscheduleSelf(what);
		}

		/**
		* Sets whether hover state functionality is enabled.
		*/
		public static void setFlagHoverEnabled(boolean isFlagHoverEnabled) {
		sFlagHoverEnabled = isFlagHoverEnabled;
		}

		protected static class FastBitmapConstantState extends ConstantState {
		protected final Bitmap mBitmap;
		protected final int mIconColor;