/** Returns a high res icon for the given intent and user */
public synchronized Bitmap getIcon(Intent intent, UserHandleCompat user) {
ComponentName component = intent.getComponent();
// null info means not installed, but if we have a component from the intent then
// we should still look in the cache for restored app icons.
if (component == null) {
return getDefaultIcon(user);
}
LauncherActivityInfoCompat launcherActInfo = mLauncherApps.resolveActivity(intent, user);
CacheEntry entry = cacheLocked(component, launcherActInfo, user, true, false /* useLowRes */);
return entry.icon;
}
/** Updates the entries related to the given package in memory and persistent DB. */
public synchronized void updateIconsForPkg(String packageName, UserHandleCompat user) {
removeIconsForPkg(packageName, user);
try {
PackageInfo info =
mPackageManager.getPackageInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES);
long userSerial = mUserManager.getSerialNumberForUser(user);
for (LauncherActivityInfoCompat app : mLauncherApps.getActivityList(packageName, user)) {
addIconToDBAndMemCache(app, info, userSerial);
}
} catch (NameNotFoundException e) {
Log.d(TAG, "Package not found", e);
return;
}
}
/**
* Fill in {@param shortcutInfo} with the icon and label for {@param intent}. If the corresponding
* activity is not found, it reverts to the package icon.
*/
public synchronized void getTitleAndIcon(
ShortcutInfo shortcutInfo, Intent intent, UserHandleCompat user, boolean useLowResIcon) {
ComponentName component = intent.getComponent();
// null info means not installed, but if we have a component from the intent then
// we should still look in the cache for restored app icons.
if (component == null) {
shortcutInfo.setIcon(getDefaultIcon(user));
shortcutInfo.title = "";
shortcutInfo.usingFallbackIcon = true;
shortcutInfo.usingLowResIcon = false;
} else {
LauncherActivityInfoCompat info = mLauncherApps.resolveActivity(intent, user);
getTitleAndIcon(shortcutInfo, component, info, user, true, useLowResIcon);
}
}
public IconCache(Context context, InvariantDeviceProfile inv) {
mContext = context;
mPackageManager = context.getPackageManager();
mUserManager = UserManagerCompat.getInstance(mContext);
mLauncherApps = LauncherAppsCompat.getInstance(mContext);
mIconDpi = inv.fillResIconDpi;
mIconDb = new IconDB(context);
mWorkerHandler = new Handler(LauncherModel.getWorkerLooper());
mActivityBgColor = context.getResources().getColor(R.color.quantum_panel_bg_color);
mPackageBgColor = context.getResources().getColor(R.color.quantum_panel_bg_color_dark);
mLowResOptions = new BitmapFactory.Options();
// Always prefer RGB_565 config for low res. If the bitmap has transparency, it will
// automatically be loaded as ALPHA_8888.
mLowResOptions.inPreferredConfig = Bitmap.Config.RGB_565;
updateSystemStateString();
}
public void updateDbIcons(Set<String> ignorePackagesForMainUser) {
// Remove all active icon update tasks.
mWorkerHandler.removeCallbacksAndMessages(ICON_UPDATE_TOKEN);
updateSystemStateString();
for (UserHandleCompat user : mUserManager.getUserProfiles()) {
// Query for the set of apps
final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user);
// Fail if we don't have any apps
// TODO: Fix this. Only fail for the current user.
if (apps == null || apps.isEmpty()) {
return;
}
// Update icon cache. This happens in segments and {@link #onPackageIconsUpdated}
// is called by the icon cache when the job is complete.
updateDBIcons(
user,
apps,
UserHandleCompat.myUserHandle().equals(user)
? ignorePackagesForMainUser
: Collections.<String>emptySet());
}
}