Adjust notification dots

- Use consistent bounds for folders as other icons, to ensure dot
  has a consistent placement (moved right+up a bit)
- Strengthen the ambient shadow to improve contrast
  - Increased blur size and opacity
- Use a dark gray rather than black for dots on dark folders

Bug: 73331123
Change-Id: I888f4645d3a48465af93f5003dda8f8b7c3129f3

res/values/attrs.xml

@@ -33,6 +33,7 @@
     <attr name="workspaceKeyShadowColor" format="color" />
     <attr name="workspaceStatusBarScrim" format="reference" />
     <attr name="widgetsTheme" format="reference" />
+    <attr name="folderBadgeColor" format="color" />
 
     <!-- BubbleTextView specific attributes. -->
     <declare-styleable name="BubbleTextView">

res/values/styles.xml

@@ -42,6 +42,7 @@
         <item name="workspaceKeyShadowColor">#44000000</item>
         <item name="workspaceStatusBarScrim">@drawable/workspace_bg</item>
         <item name="widgetsTheme">@style/WidgetContainerTheme</item>
+        <item name="folderBadgeColor">?android:attr/colorPrimary</item>
     </style>
 
     <style name="LauncherTheme" parent="@style/BaseLauncherThemeWithCustomAttrs"></style>
@@ -70,6 +71,7 @@
         <item name="popupColorSecondary">#424242</item> <!-- Gray 800 -->
         <item name="popupColorTertiary">#757575</item> <!-- Gray 600 -->
         <item name="widgetsTheme">@style/WidgetContainerTheme.Dark</item>
+        <item name="folderBadgeColor">#FF464646</item>
         <item name="isMainColorDark">true</item>
     </style>
 

src/com/android/launcher3/BubbleTextView.java

@@ -386,10 +386,14 @@ public class BubbleTextView extends TextView implements ItemInfoUpdateReceiver,
     }
 
     public void getIconBounds(Rect outBounds) {
-        int top = getPaddingTop();
-        int left = (getWidth() - mIconSize) / 2;
-        int right = left + mIconSize;
-        int bottom = top + mIconSize;
+        getIconBounds(this, outBounds, mIconSize);
+    }
+
+    public static void getIconBounds(View iconView, Rect outBounds, int iconSize) {
+        int top = iconView.getPaddingTop();
+        int left = (iconView.getWidth() - iconSize) / 2;
+        int right = left + iconSize;
+        int bottom = top + iconSize;
         outBounds.set(left, top, right, bottom);
     }
 

src/com/android/launcher3/badge/BadgeRenderer.java

@@ -60,6 +60,7 @@ public class BadgeRenderer {
 
         int size = (int) (DOT_SCALE * mDotCenterOffset);
         ShadowGenerator.Builder builder = new ShadowGenerator.Builder(Color.TRANSPARENT);
+        builder.ambientShadowAlpha = 88;
         mBackgroundWithShadow = builder.setupBlurForSize(size).createPill(size, size);
         mCircleRadius = builder.radius;
 

src/com/android/launcher3/folder/FolderIcon.java

@@ -25,7 +25,6 @@ import android.content.Context;
 import android.graphics.Canvas;
 import android.graphics.Point;
 import android.graphics.Rect;
-import android.graphics.Region;
 import android.graphics.drawable.Drawable;
 import android.os.Parcelable;
 import android.support.annotation.NonNull;
@@ -490,10 +489,7 @@ public class FolderIcon extends FrameLayout implements FolderListener {
 
     public void drawBadge(Canvas canvas) {
         if ((mBadgeInfo != null && mBadgeInfo.hasBadge()) || mBadgeScale > 0) {
-            int offsetX = mBackground.getOffsetX();
-            int offsetY = mBackground.getOffsetY();
-            int previewSize = (int) (mBackground.previewSize * mBackground.mScale);
-            mTempBounds.set(offsetX, offsetY, offsetX + previewSize, offsetY + previewSize);
+            BubbleTextView.getIconBounds(this, mTempBounds, mLauncher.getDeviceProfile().iconSizePx);
 
             // If we are animating to the accepting state, animate the badge out.
             float badgeScale = Math.max(0, mBadgeScale - mBackground.getScaleProgress());

src/com/android/launcher3/folder/PreviewBackground.java

@@ -38,6 +38,7 @@ import com.android.launcher3.CellLayout;
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAnimUtils;
+import com.android.launcher3.R;
 import com.android.launcher3.util.Themes;
 
 /**
@@ -70,6 +71,7 @@ public class PreviewBackground {
     float mScale = 1f;
     private float mColorMultiplier = 1f;
     private int mBgColor;
+    private int mBadgeColor;
     private float mStrokeWidth;
     private int mStrokeAlpha = MAX_BG_OPACITY;
     private int mShadowAlpha = 255;
@@ -132,6 +134,7 @@ public class PreviewBackground {
                       int availableSpaceX, int topPadding) {
         mInvalidateDelegate = invalidateDelegate;
         mBgColor = Themes.getAttrColor(launcher, android.R.attr.colorPrimary);
+        mBadgeColor = Themes.getAttrColor(launcher, R.attr.folderBadgeColor);
 
         DeviceProfile grid = launcher.getDeviceProfile();
         previewSize = grid.folderIconSizePx;
@@ -198,7 +201,7 @@ public class PreviewBackground {
     }
 
     public int getBadgeColor() {
-        return mBgColor;
+        return mBadgeColor;
     }
 
     public void drawBackground(Canvas canvas) {

src/com/android/launcher3/graphics/ShadowGenerator.java

@@ -120,7 +120,7 @@ public class ShadowGenerator {
         }
 
         public Builder setupBlurForSize(int height) {
-            shadowBlur = height * 1f / 32;
+            shadowBlur = height * 1f / 24;
             keyShadowDistance = height * 1f / 16;
             return this;
         }