FastBitmapDrawable can draw an icon badge (notification count)
- Added BadgeInfo to contain data to be shown in a badge
(currently just notification count).
- Added BadgeRenderer in DeviceProfile to contain things
relevant to drawing the badge, such as size and Paint's.
- Added IconPalette to compute colors for the badge based
on a dominant color (will also be used for notifications)
- FastBitmapDrawable uses these classes to draw the badge.
Bug: 32410600
Change-Id: I6595a4879943357590f7d20c22594691a573ecaf
diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index 0cefc57..b3e59f9 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -33,6 +33,10 @@
import android.util.SparseArray;
import android.view.animation.DecelerateInterpolator;
+import com.android.launcher3.graphics.IconPalette;
+import com.android.launcher3.badge.BadgeRenderer;
+import com.android.launcher3.badge.BadgeInfo;
+
public class FastBitmapDrawable extends Drawable {
private static final float DISABLED_DESATURATION = 1f;
private static final float DISABLED_BRIGHTNESS = 0.5f;
@@ -99,6 +103,10 @@
private State mState = State.NORMAL;
private boolean mIsDisabled;
+ private BadgeInfo mBadgeInfo;
+ private BadgeRenderer mBadgeRenderer;
+ private IconPalette mIconPalette;
+
// The saturation and brightness are values that are mapped to REDUCED_FILTER_VALUE_SPACE and
// as a result, can be used to compose the key for the cached ColorMatrixColorFilters
private int mDesaturation = 0;
@@ -114,9 +122,21 @@
setBounds(0, 0, b.getWidth(), b.getHeight());
}
+ public void applyIconBadge(BadgeInfo badgeInfo, BadgeRenderer badgeRenderer) {
+ mBadgeInfo = badgeInfo;
+ mBadgeRenderer = badgeRenderer;
+ if (mIconPalette == null) {
+ mIconPalette = IconPalette.fromDominantColor(Utilities
+ .findDominantColorByHue(mBitmap, 20));
+ }
+ invalidateSelf();
+ }
+
@Override
public void draw(Canvas canvas) {
drawInternal(canvas);
+ // Draw the icon badge in the top right corner.
+ drawBadgeIfNecessary(canvas);
}
public void drawWithBrightness(Canvas canvas, float brightness) {
@@ -130,6 +150,16 @@
canvas.drawBitmap(mBitmap, null, getBounds(), mPaint);
}
+ protected void drawBadgeIfNecessary(Canvas canvas) {
+ if (hasBadge()) {
+ mBadgeRenderer.draw(canvas, mIconPalette, mBadgeInfo, getBounds());
+ }
+ }
+
+ private boolean hasBadge() {
+ return mBadgeInfo != null && mBadgeInfo.getNotificationCount() != null;
+ }
+
@Override
public void setColorFilter(ColorFilter cf) {
// No op