Lazy loading high res icons
> Loading low-res icons for icons which are not visible on
the homescreen.
Change-Id: I8ac7bf09f6030ed554cb60a4cd402f3f36ffe12b
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index 8ef234b..50549ca 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -34,6 +34,8 @@
import android.view.ViewConfiguration;
import android.widget.TextView;
+import com.android.launcher3.IconCache.IconLoadRequest;
+
/**
* TextView that draws a bubble behind the text. We cannot use a LineBackgroundSpan
* because we want to make the bubble taller than the text and TextView's clip is
@@ -74,6 +76,8 @@
private boolean mStayPressed;
private boolean mIgnorePressedStateChange;
+ private IconLoadRequest mIconLoadRequest;
+
public BubbleTextView(Context context) {
this(context, null, 0);
}
@@ -163,6 +167,9 @@
}
// We don't need to check the info since it's not a ShortcutInfo
super.setTag(info);
+
+ // Verify high res immediately
+ verifyHighRes();
}
@Override
@@ -450,4 +457,42 @@
}
return icon;
}
+
+ /**
+ * Applies the item info if it is same as what the view is pointing to currently.
+ */
+ public void reapplyItemInfo(final ItemInfo info) {
+ if (getTag() == info) {
+ mIconLoadRequest = null;
+ if (info instanceof AppInfo) {
+ applyFromApplicationInfo((AppInfo) info);
+ } else if (info instanceof ShortcutInfo) {
+ applyFromShortcutInfo((ShortcutInfo) info,
+ LauncherAppState.getInstance().getIconCache(), false);
+ }
+ }
+ }
+
+ /**
+ * Verifies that the current icon is high-res otherwise posts a request to load the icon.
+ */
+ public void verifyHighRes() {
+ if (mIconLoadRequest != null) {
+ mIconLoadRequest.cancel();
+ mIconLoadRequest = null;
+ }
+ if (getTag() instanceof AppInfo) {
+ AppInfo info = (AppInfo) getTag();
+ if (info.usingLowResIcon) {
+ mIconLoadRequest = LauncherAppState.getInstance().getIconCache()
+ .updateIconInBackground(BubbleTextView.this, info);
+ }
+ } else if (getTag() instanceof ShortcutInfo) {
+ ShortcutInfo info = (ShortcutInfo) getTag();
+ if (info.usingLowResIcon) {
+ mIconLoadRequest = LauncherAppState.getInstance().getIconCache()
+ .updateIconInBackground(BubbleTextView.this, info);
+ }
+ }
+ }
}