Merge "Update KQS task view layouts to new specs" into 24D1-dev
diff --git a/quickstep/res/layout-land/keyboard_quick_switch_taskview.xml b/quickstep/res/layout-land/keyboard_quick_switch_taskview.xml
index 69e1574..38df756 100644
--- a/quickstep/res/layout-land/keyboard_quick_switch_taskview.xml
+++ b/quickstep/res/layout-land/keyboard_quick_switch_taskview.xml
@@ -36,19 +36,19 @@
         app:layout_constraintEnd_toEndOf="parent">
 
         <include
-            layout="@layout/keyboard_quick_switch_thumbnail"
-            android:id="@+id/thumbnail1"
+            layout="@layout/keyboard_quick_switch_taskview_thumbnail"
+            android:id="@+id/thumbnail_1"
             android:layout_width="0dp"
             android:layout_height="match_parent"
 
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintEnd_toStartOf="@id/thumbnail2"/>
+            app:layout_constraintEnd_toStartOf="@id/thumbnail_2"/>
 
         <include
-            layout="@layout/keyboard_quick_switch_thumbnail"
-            android:id="@+id/thumbnail2"
+            layout="@layout/keyboard_quick_switch_taskview_thumbnail"
+            android:id="@+id/thumbnail_2"
             android:layout_width="0dp"
             android:layout_height="match_parent"
             android:visibility="gone"
@@ -56,31 +56,33 @@
 
             app:layout_constraintTop_toTopOf="parent"
             app:layout_constraintBottom_toBottomOf="parent"
-            app:layout_constraintStart_toEndOf="@id/thumbnail1"
+            app:layout_constraintStart_toEndOf="@id/thumbnail_1"
             app:layout_constraintEnd_toEndOf="parent"/>
 
         <ImageView
-            android:id="@+id/icon1"
+            android:id="@+id/icon_1"
             android:layout_width="@dimen/keyboard_quick_switch_taskview_icon_size"
             android:layout_height="@dimen/keyboard_quick_switch_taskview_icon_size"
-            android:layout_marginTop="@dimen/keyboard_quick_switch_taskview_icon_margin"
-            android:layout_marginStart="@dimen/keyboard_quick_switch_taskview_icon_margin"
             android:importantForAccessibility="no"
+            android:scaleType="centerCrop"
 
-            app:layout_constraintTop_toTopOf="@id/thumbnail1"
-            app:layout_constraintStart_toStartOf="@id/thumbnail1"/>
+            app:layout_constraintTop_toTopOf="@id/thumbnail_1"
+            app:layout_constraintBottom_toBottomOf="@id/thumbnail_1"
+            app:layout_constraintStart_toStartOf="@id/thumbnail_1"
+            app:layout_constraintEnd_toEndOf="@id/thumbnail_1"/>
 
         <ImageView
-            android:id="@+id/icon2"
+            android:id="@+id/icon_2"
             android:layout_width="@dimen/keyboard_quick_switch_taskview_icon_size"
             android:layout_height="@dimen/keyboard_quick_switch_taskview_icon_size"
-            android:layout_marginTop="@dimen/keyboard_quick_switch_taskview_icon_margin"
-            android:layout_marginStart="@dimen/keyboard_quick_switch_taskview_icon_margin"
             android:importantForAccessibility="no"
             android:visibility="gone"
+            android:scaleType="centerCrop"
 
-            app:layout_constraintTop_toTopOf="@id/thumbnail2"
-            app:layout_constraintStart_toStartOf="@id/thumbnail2"/>
+            app:layout_constraintTop_toTopOf="@id/thumbnail_2"
+            app:layout_constraintBottom_toBottomOf="@id/thumbnail_2"
+            app:layout_constraintStart_toStartOf="@id/thumbnail_2"
+            app:layout_constraintEnd_toEndOf="@id/thumbnail_2"/>
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
diff --git a/quickstep/res/layout/keyboard_quick_switch_taskview.xml b/quickstep/res/layout/keyboard_quick_switch_taskview.xml
index 6ed3c6e..c0ace9a 100644
--- a/quickstep/res/layout/keyboard_quick_switch_taskview.xml
+++ b/quickstep/res/layout/keyboard_quick_switch_taskview.xml
@@ -36,51 +36,53 @@
         app:layout_constraintEnd_toEndOf="parent">
 
         <include
-            layout="@layout/keyboard_quick_switch_thumbnail"
-            android:id="@+id/thumbnail1"
+            layout="@layout/keyboard_quick_switch_taskview_thumbnail"
+            android:id="@+id/thumbnail_1"
             android:layout_width="match_parent"
             android:layout_height="0dp"
 
             app:layout_constraintTop_toTopOf="parent"
-            app:layout_constraintBottom_toTopOf="@id/thumbnail2"
+            app:layout_constraintBottom_toTopOf="@id/thumbnail_2"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent"/>
 
         <include
-            layout="@layout/keyboard_quick_switch_thumbnail"
-            android:id="@+id/thumbnail2"
+            layout="@layout/keyboard_quick_switch_taskview_thumbnail"
+            android:id="@+id/thumbnail_2"
             android:layout_width="match_parent"
             android:layout_height="0dp"
             android:visibility="gone"
             android:layout_marginTop="@dimen/keyboard_quick_switch_split_view_spacing"
 
-            app:layout_constraintTop_toBottomOf="@id/thumbnail1"
+            app:layout_constraintTop_toBottomOf="@id/thumbnail_1"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintEnd_toEndOf="parent"/>
 
         <ImageView
-            android:id="@+id/icon1"
+            android:id="@+id/icon_1"
             android:layout_width="@dimen/keyboard_quick_switch_taskview_icon_size"
             android:layout_height="@dimen/keyboard_quick_switch_taskview_icon_size"
-            android:layout_marginTop="@dimen/keyboard_quick_switch_taskview_icon_margin"
-            android:layout_marginStart="@dimen/keyboard_quick_switch_taskview_icon_margin"
             android:importantForAccessibility="no"
+            android:scaleType="centerCrop"
 
-            app:layout_constraintTop_toTopOf="@id/thumbnail1"
-            app:layout_constraintStart_toStartOf="@id/thumbnail1"/>
+            app:layout_constraintTop_toTopOf="@id/thumbnail_1"
+            app:layout_constraintBottom_toBottomOf="@id/thumbnail_1"
+            app:layout_constraintStart_toStartOf="@id/thumbnail_1"
+            app:layout_constraintEnd_toEndOf="@id/thumbnail_1"/>
 
         <ImageView
-            android:id="@+id/icon2"
+            android:id="@+id/icon_2"
             android:layout_width="@dimen/keyboard_quick_switch_taskview_icon_size"
             android:layout_height="@dimen/keyboard_quick_switch_taskview_icon_size"
-            android:layout_marginTop="@dimen/keyboard_quick_switch_taskview_icon_margin"
-            android:layout_marginStart="@dimen/keyboard_quick_switch_taskview_icon_margin"
             android:importantForAccessibility="no"
             android:visibility="gone"
+            android:scaleType="centerCrop"
 
-            app:layout_constraintTop_toTopOf="@id/thumbnail2"
-            app:layout_constraintStart_toStartOf="@id/thumbnail2"/>
+            app:layout_constraintTop_toTopOf="@id/thumbnail_2"
+            app:layout_constraintBottom_toBottomOf="@id/thumbnail_2"
+            app:layout_constraintStart_toStartOf="@id/thumbnail_2"
+            app:layout_constraintEnd_toEndOf="@id/thumbnail_2"/>
 
     </androidx.constraintlayout.widget.ConstraintLayout>
 
diff --git a/quickstep/res/layout/keyboard_quick_switch_thumbnail.xml b/quickstep/res/layout/keyboard_quick_switch_taskview_thumbnail.xml
similarity index 100%
rename from quickstep/res/layout/keyboard_quick_switch_thumbnail.xml
rename to quickstep/res/layout/keyboard_quick_switch_taskview_thumbnail.xml
diff --git a/quickstep/res/values/dimens.xml b/quickstep/res/values/dimens.xml
index 89a193b..c8fb402 100644
--- a/quickstep/res/values/dimens.xml
+++ b/quickstep/res/values/dimens.xml
@@ -443,8 +443,7 @@
     <dimen name="keyboard_quick_switch_border_width">4dp</dimen>
     <dimen name="keyboard_quick_switch_taskview_width">104dp</dimen>
     <dimen name="keyboard_quick_switch_taskview_height">134dp</dimen>
-    <dimen name="keyboard_quick_switch_taskview_icon_size">28dp</dimen>
-    <dimen name="keyboard_quick_switch_taskview_icon_margin">4dp</dimen>
+    <dimen name="keyboard_quick_switch_taskview_icon_size">52dp</dimen>
     <dimen name="keyboard_quick_switch_recents_icon_size">20dp</dimen>
     <dimen name="keyboard_quick_switch_margin_top">56dp</dimen>
     <dimen name="keyboard_quick_switch_margin_ends">16dp</dimen>
diff --git a/quickstep/src/com/android/launcher3/taskbar/BlurredBitmapDrawable.kt b/quickstep/src/com/android/launcher3/taskbar/BlurredBitmapDrawable.kt
new file mode 100644
index 0000000..8aee1aa
--- /dev/null
+++ b/quickstep/src/com/android/launcher3/taskbar/BlurredBitmapDrawable.kt
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.taskbar
+
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.PixelFormat
+import android.graphics.RenderEffect
+import android.graphics.RenderNode
+import android.graphics.Shader
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.DrawableWrapper
+
+/* BitmapDrawable that can blur the given bitmap. */
+class BlurredBitmapDrawable(bitmap: Bitmap?, radiusX: Float, radiusY: Float) :
+    DrawableWrapper(BitmapDrawable(bitmap)) {
+    private val mBlurRenderNode: RenderNode = RenderNode("BlurredConstraintLayoutBlurNode")
+
+    constructor(bitmap: Bitmap?, radius: Float) : this(bitmap, radius, radius)
+
+    init {
+        mBlurRenderNode.setRenderEffect(
+            RenderEffect.createBlurEffect(radiusX, radiusY, Shader.TileMode.CLAMP)
+        )
+    }
+
+    override fun draw(canvas: Canvas) {
+        if (!canvas.isHardwareAccelerated) {
+            super.draw(canvas)
+            return
+        }
+        mBlurRenderNode.setPosition(bounds)
+        if (!mBlurRenderNode.hasDisplayList()) {
+            // Record render node if its display list is not recorded or discarded
+            // (which happens when it's no longer drawn by anything).
+            val recordingCanvas = mBlurRenderNode.beginRecording()
+            super.draw(recordingCanvas)
+            mBlurRenderNode.endRecording()
+        }
+        canvas.drawRenderNode(mBlurRenderNode)
+    }
+
+    override fun getOpacity(): Int {
+        return PixelFormat.OPAQUE
+    }
+}
diff --git a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
index a9d50b9..5b407f0 100644
--- a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
@@ -23,6 +23,7 @@
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.view.View;
 import android.widget.ImageView;
@@ -47,6 +48,8 @@
  */
 public class KeyboardQuickSwitchTaskView extends ConstraintLayout {
 
+    private static final float THUMBNAIL_BLUR_RADIUS = 1f;
+
     @ColorInt private final int mBorderColor;
 
     @Nullable private BorderAnimator mBorderAnimator;
@@ -89,10 +92,10 @@
     @Override
     protected void onFinishInflate() {
         super.onFinishInflate();
-        mThumbnailView1 = findViewById(R.id.thumbnail1);
-        mThumbnailView2 = findViewById(R.id.thumbnail2);
-        mIcon1 = findViewById(R.id.icon1);
-        mIcon2 = findViewById(R.id.icon2);
+        mThumbnailView1 = findViewById(R.id.thumbnail_1);
+        mThumbnailView2 = findViewById(R.id.thumbnail_2);
+        mIcon1 = findViewById(R.id.icon_1);
+        mIcon2 = findViewById(R.id.icon_2);
         mContent = findViewById(R.id.content);
 
         Resources resources = mContext.getResources();
@@ -167,10 +170,7 @@
             @Nullable ImageView thumbnailView,
             @Nullable Task task,
             @Nullable ThumbnailUpdateFunction updateFunction) {
-        if (thumbnailView == null) {
-            return;
-        }
-        if (task == null) {
+        if (thumbnailView == null || task == null) {
             return;
         }
         if (updateFunction == null) {
@@ -182,19 +182,30 @@
     }
 
     private void applyThumbnail(
-            @NonNull ImageView thumbnailView, ThumbnailData thumbnailData) {
+            @NonNull ImageView thumbnailView,
+            ThumbnailData thumbnailData) {
         Bitmap bm = thumbnailData == null ? null : thumbnailData.thumbnail;
 
-        thumbnailView.setVisibility(VISIBLE);
-        thumbnailView.setImageBitmap(bm);
+        if (thumbnailView.getVisibility() != VISIBLE) {
+            thumbnailView.setVisibility(VISIBLE);
+        }
+        thumbnailView.setImageDrawable(new BlurredBitmapDrawable(bm, THUMBNAIL_BLUR_RADIUS));
     }
 
     private void applyIcon(@Nullable ImageView iconView, @Nullable Task task) {
-        if (iconView == null || task == null) {
+        if (iconView == null || task == null || task.icon == null) {
             return;
         }
-        iconView.setVisibility(VISIBLE);
-        iconView.setImageDrawable(task.icon);
+        Drawable.ConstantState constantState = task.icon.getConstantState();
+        if (constantState == null) {
+            return;
+        }
+        if (iconView.getVisibility() != VISIBLE) {
+            iconView.setVisibility(VISIBLE);
+        }
+        // Use the bitmap directly since the drawable's scale can change
+        iconView.setImageDrawable(
+                constantState.newDrawable(getResources(), getContext().getTheme()));
     }
 
     protected interface ThumbnailUpdateFunction {