diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 7f09b6e8ed..c1acaa0219 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -364,6 +364,7 @@
150dp
24dp
40dp
+ 1dp
10dp
32dp
8dp
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
index a59e81b68e..bc13c89855 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarBackground.kt
@@ -19,7 +19,9 @@ import android.content.Context
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.ColorFilter
+import android.graphics.Matrix
import android.graphics.Paint
+import android.graphics.Path
import android.graphics.PixelFormat
import android.graphics.drawable.Drawable
import com.android.app.animation.Interpolators
@@ -28,28 +30,28 @@ import com.android.launcher3.Utilities
import com.android.launcher3.Utilities.mapToRange
import com.android.launcher3.icons.GraphicsUtils.setColorAlphaBound
import com.android.launcher3.popup.RoundedArrowDrawable
+import kotlin.math.max
+import kotlin.math.min
/** Drawable for the background of the bubble bar. */
class BubbleBarBackground(context: Context, private var backgroundHeight: Float) : Drawable() {
- private val DARK_THEME_SHADOW_ALPHA = 51f
- private val LIGHT_THEME_SHADOW_ALPHA = 25f
-
- private val paint: Paint = Paint()
- private val pointerWidth: Float
- private val pointerHeight: Float
- private val pointerTipRadius: Float
- private val pointerVisibleHeight: Float
+ private val fillPaint: Paint = Paint()
+ private val strokePaint: Paint = Paint()
+ private val arrowWidth: Float
+ private val arrowHeight: Float
+ private val arrowTipRadius: Float
+ private val arrowVisibleHeight: Float
private val shadowAlpha: Float
private var shadowBlur = 0f
private var keyShadowDistance = 0f
+ private var arrowHeightFraction = 1f
var arrowPositionX: Float = 0f
private set
private var showingArrow: Boolean = false
- private var arrowDrawable: RoundedArrowDrawable
var width: Float = 0f
@@ -70,34 +72,31 @@ class BubbleBarBackground(context: Context, private var backgroundHeight: Float)
}
init {
- paint.color = context.getColor(R.color.taskbar_background)
- paint.flags = Paint.ANTI_ALIAS_FLAG
- paint.style = Paint.Style.FILL
-
val res = context.resources
+ // configure fill paint
+ fillPaint.color = context.getColor(R.color.taskbar_background)
+ fillPaint.flags = Paint.ANTI_ALIAS_FLAG
+ fillPaint.style = Paint.Style.FILL
+ // configure stroke paint
+ strokePaint.color = context.getColor(R.color.taskbar_stroke)
+ strokePaint.flags = Paint.ANTI_ALIAS_FLAG
+ strokePaint.style = Paint.Style.STROKE
+ strokePaint.strokeWidth = res.getDimension(R.dimen.transient_taskbar_stroke_width)
+ // apply theme alpha attributes
+ if (Utilities.isDarkTheme(context)) {
+ strokePaint.alpha = DARK_THEME_STROKE_ALPHA
+ shadowAlpha = DARK_THEME_SHADOW_ALPHA
+ } else {
+ strokePaint.alpha = LIGHT_THEME_STROKE_ALPHA
+ shadowAlpha = LIGHT_THEME_SHADOW_ALPHA
+ }
+
shadowBlur = res.getDimension(R.dimen.transient_taskbar_shadow_blur)
keyShadowDistance = res.getDimension(R.dimen.transient_taskbar_key_shadow_distance)
- pointerWidth = res.getDimension(R.dimen.bubblebar_pointer_width)
- pointerHeight = res.getDimension(R.dimen.bubblebar_pointer_height)
- pointerVisibleHeight = res.getDimension(R.dimen.bubblebar_pointer_visible_size)
- pointerTipRadius = res.getDimension(R.dimen.bubblebar_pointer_radius)
-
- shadowAlpha =
- if (Utilities.isDarkTheme(context)) {
- DARK_THEME_SHADOW_ALPHA
- } else {
- LIGHT_THEME_SHADOW_ALPHA
- }
-
- arrowDrawable =
- RoundedArrowDrawable.createVerticalRoundedArrow(
- pointerWidth,
- pointerHeight,
- pointerTipRadius,
- /* isPointingUp= */ true,
- context.getColor(R.color.taskbar_background)
- )
- arrowDrawable.setBounds(0, 0, pointerWidth.toInt(), pointerHeight.toInt())
+ arrowWidth = res.getDimension(R.dimen.bubblebar_pointer_width)
+ arrowHeight = res.getDimension(R.dimen.bubblebar_pointer_height)
+ arrowVisibleHeight = res.getDimension(R.dimen.bubblebar_pointer_visible_size)
+ arrowTipRadius = res.getDimension(R.dimen.bubblebar_pointer_radius)
}
fun showArrow(show: Boolean) {
@@ -115,40 +114,53 @@ class BubbleBarBackground(context: Context, private var backgroundHeight: Float)
// TODO (b/277359345): Should animate the alpha similar to taskbar (see TaskbarDragLayer)
// Draw shadows.
val newShadowAlpha =
- mapToRange(paint.alpha.toFloat(), 0f, 255f, 0f, shadowAlpha, Interpolators.LINEAR)
- paint.setShadowLayer(
+ mapToRange(fillPaint.alpha.toFloat(), 0f, 255f, 0f, shadowAlpha, Interpolators.LINEAR)
+ fillPaint.setShadowLayer(
shadowBlur,
0f,
keyShadowDistance,
setColorAlphaBound(Color.BLACK, Math.round(newShadowAlpha))
)
- arrowDrawable.setShadowLayer(
- shadowBlur,
- 0f,
- keyShadowDistance,
- setColorAlphaBound(Color.BLACK, Math.round(newShadowAlpha))
- )
-
- // Draw background.
+ // Create background path
+ val backgroundPath = Path()
val radius = backgroundHeight / 2f
val left = bounds.left + (if (anchorLeft) 0f else bounds.width().toFloat() - width)
val right = bounds.left + (if (anchorLeft) width else bounds.width().toFloat())
- val top = bounds.top + pointerVisibleHeight
+ val top = bounds.top + arrowVisibleHeight
val bottom = bounds.top + bounds.height().toFloat()
- canvas.drawRoundRect(left, top, right, bottom, radius, radius, paint)
+ backgroundPath.addRoundRect(left, top, right, bottom, radius, radius, Path.Direction.CW)
+ addArrowPathIfNeeded(backgroundPath)
- if (showingArrow) {
- // Draw arrow.
- val transX = bounds.left + arrowPositionX - pointerWidth / 2f
- canvas.translate(transX, 0f)
- arrowDrawable.draw(canvas)
- }
+ // Draw background.
+ canvas.drawPath(backgroundPath, fillPaint)
+ canvas.drawPath(backgroundPath, strokePaint)
canvas.restore()
}
+ private fun addArrowPathIfNeeded(sourcePath: Path) {
+ if (!showingArrow || arrowHeightFraction <= 0) return
+ val arrowPath = Path()
+ RoundedArrowDrawable.addDownPointingRoundedTriangleToPath(
+ arrowWidth,
+ arrowHeight,
+ arrowTipRadius,
+ arrowPath
+ )
+ // flip it horizontally
+ val pathTransform = Matrix()
+ pathTransform.setRotate(180f, arrowWidth * 0.5f, arrowHeight * 0.5f)
+ arrowPath.transform(pathTransform)
+ // shift to arrow position
+ val arrowStart = bounds.left + arrowPositionX - (arrowWidth / 2f)
+ val arrowTop = (1 - arrowHeightFraction) * arrowVisibleHeight
+ arrowPath.offset(arrowStart, arrowTop)
+ // union with rectangle
+ sourcePath.op(arrowPath, Path.Op.UNION)
+ }
+
override fun getOpacity(): Int {
- return when (paint.alpha) {
+ return when (fillPaint.alpha) {
255 -> PixelFormat.OPAQUE
0 -> PixelFormat.TRANSPARENT
else -> PixelFormat.TRANSLUCENT
@@ -156,24 +168,40 @@ class BubbleBarBackground(context: Context, private var backgroundHeight: Float)
}
override fun setAlpha(alpha: Int) {
- paint.alpha = alpha
- arrowDrawable.alpha = alpha
+ fillPaint.alpha = alpha
invalidateSelf()
}
override fun getAlpha(): Int {
- return paint.alpha
+ return fillPaint.alpha
}
override fun setColorFilter(colorFilter: ColorFilter?) {
- paint.colorFilter = colorFilter
- }
-
- fun setArrowAlpha(alpha: Int) {
- arrowDrawable.alpha = alpha
+ fillPaint.colorFilter = colorFilter
}
fun setHeight(newHeight: Float) {
backgroundHeight = newHeight
}
+
+ /**
+ * Set fraction of the arrow height that should be displayed. Allowed values range are [0..1].
+ * If value passed is out of range it will be converted to the closest value in tha allowed
+ * range.
+ */
+ fun setArrowHeightFraction(arrowHeightFraction: Float) {
+ var newHeightFraction = arrowHeightFraction
+ if (newHeightFraction !in 0f..1f) {
+ newHeightFraction = min(max(newHeightFraction, 0f), 1f)
+ }
+ this.arrowHeightFraction = newHeightFraction
+ invalidateSelf()
+ }
+
+ companion object {
+ private const val DARK_THEME_STROKE_ALPHA = 51
+ private const val LIGHT_THEME_STROKE_ALPHA = 41
+ private const val DARK_THEME_SHADOW_ALPHA = 51f
+ private const val LIGHT_THEME_SHADOW_ALPHA = 25f
+ }
}
diff --git a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
index f3ac1e44ba..5f9a7527b6 100644
--- a/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/bubbles/BubbleBarView.java
@@ -729,7 +729,7 @@ public class BubbleBarView extends FrameLayout {
}
}
mBubbleBarBackground.setArrowPosition(arrowPosition);
- mBubbleBarBackground.setArrowAlpha((int) (255 * widthState));
+ mBubbleBarBackground.setArrowHeightFraction(widthState);
mBubbleBarBackground.setWidth(interpolatedWidth);
}
@@ -882,7 +882,8 @@ public class BubbleBarView extends FrameLayout {
// bubbles than the current bubble and overflow.
bubblePosition = index == 0 && getChildCount() > MAX_VISIBLE_BUBBLES_COLLAPSED ? 1 : 0;
} else {
- bubblePosition = index;
+ bubblePosition = index >= MAX_VISIBLE_BUBBLES_COLLAPSED
+ ? MAX_VISIBLE_BUBBLES_COLLAPSED - 1 : index;
}
return getPaddingStart() + bubblePosition * (mIconOverlapAmount) + mIconSize / 2f;
}
diff --git a/res/color-night-v31/taskbar_stroke.xml b/res/color-night-v31/taskbar_stroke.xml
new file mode 100644
index 0000000000..db7a510620
--- /dev/null
+++ b/res/color-night-v31/taskbar_stroke.xml
@@ -0,0 +1,19 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/res/color/taskbar_stroke.xml b/res/color/taskbar_stroke.xml
new file mode 100644
index 0000000000..b691082c98
--- /dev/null
+++ b/res/color/taskbar_stroke.xml
@@ -0,0 +1,19 @@
+
+
+
+
+
\ No newline at end of file
diff --git a/src/com/android/launcher3/popup/RoundedArrowDrawable.java b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
index 575052ccc5..2610bd67c3 100644
--- a/src/com/android/launcher3/popup/RoundedArrowDrawable.java
+++ b/src/com/android/launcher3/popup/RoundedArrowDrawable.java
@@ -175,7 +175,10 @@ public class RoundedArrowDrawable extends Drawable {
mPaint.setShadowLayer(shadowBlur, dx, dy, shadowColor);
}
- private static void addDownPointingRoundedTriangleToPath(float width, float height,
+ /**
+ * Adds rounded triangle pointing down to the provided {@link Path path} argument
+ */
+ public static void addDownPointingRoundedTriangleToPath(float width, float height,
float radius, Path path) {
// Calculated for the arrow pointing down, will be flipped later if needed.