Adding support for listening to icon config changes (b233058b) · Commits · e / os / android_frameworks_libs_systemui

iconloaderlib/src/com/android/launcher3/icons/BaseIconFactory.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -84,7 +84,7 @@ public class BaseIconFactory implements AutoCloseable {
		clear();
		}

		protected BaseIconFactory(Context context, int fillResIconDpi, int iconBitmapSize) {
		public BaseIconFactory(Context context, int fillResIconDpi, int iconBitmapSize) {
		this(context, fillResIconDpi, iconBitmapSize, false);
		}

iconloaderlib/src/com/android/launcher3/icons/IconProvider.java

+98 −50

Original line number	Diff line number	Diff line
		@@ -16,6 +16,9 @@

		package com.android.launcher3.icons;

		import static android.content.Intent.ACTION_DATE_CHANGED;
		import static android.content.Intent.ACTION_TIMEZONE_CHANGED;
		import static android.content.Intent.ACTION_TIME_CHANGED;
		import static android.content.res.Resources.ID_NULL;

		import android.content.BroadcastReceiver;
		@@ -32,6 +35,7 @@ import android.content.res.XmlResourceParser;
		import android.graphics.drawable.Drawable;
		import android.os.Bundle;
		import android.os.Handler;
		import android.os.PatternMatcher;
		import android.os.Process;
		import android.os.UserHandle;
		import android.os.UserManager;
		@@ -45,7 +49,8 @@ import com.android.launcher3.util.SafeCloseable;
		import org.xmlpull.v1.XmlPullParser;

		import java.util.Calendar;
		import java.util.function.BiConsumer;
		import java.util.Collections;
		import java.util.Map;
		import java.util.function.Supplier;

		/**
		@@ -53,6 +58,10 @@ import java.util.function.Supplier;
		*/
		public class IconProvider {

		private final String ACTION_OVERLAY_CHANGED = "android.intent.action.OVERLAY_CHANGED";
		private static final int CONFIG_ICON_MASK_RES_ID = Resources.getSystem().getIdentifier(
		"config_icon_mask", "string", "android");

		private static final String TAG_ICON = "icon";
		private static final String ATTR_PACKAGE = "package";
		private static final String ATTR_DRAWABLE = "drawable";
		@@ -65,7 +74,9 @@ public class IconProvider {
		private static final String SYSTEM_STATE_SEPARATOR = " ";
		private static final String THEMED_ICON_MAP_FILE = "grayscale_icon_map";

		private ArrayMap<String, ThemeData> mThemedIconMap;
		private static final Map<String, ThemeData> DISABLED_MAP = Collections.emptyMap();

		private Map<String, ThemeData> mThemedIconMap;

		private final Context mContext;
		private final ComponentName mCalendar;
		@@ -81,8 +92,15 @@ public class IconProvider {
		mClock = parseComponentOrNull(context, R.string.clock_component_name);
		if (!supportsIconTheme) {
		// Initialize an empty map if theming is not supported
		mThemedIconMap = new ArrayMap<>();
		mThemedIconMap = DISABLED_MAP;
		}
		}

		/**
		* Enables or disables icon theme support
		*/
		public void setIconThemeSupported(boolean isSupported) {
		mThemedIconMap = isSupported ? null : DISABLED_MAP;
		}

		/**
		@@ -97,15 +115,6 @@ public class IconProvider {
		}
		}

		/**
		* Loads the icon for the provided ActivityInfo such that it can be drawn directly
		* on the UI
		* @deprecated Use {@link #getIcon}
		*/
		public Drawable getIconForUI(ActivityInfo info, UserHandle user) {
		return getIcon(info);
		}

		/**
		* Loads the icon for the provided LauncherActivityInfo
		*/
		@@ -165,7 +174,7 @@ public class IconProvider {
		return icon;
		}

		private ArrayMap<String, ThemeData> getThemedIconMap() {
		private Map<String, ThemeData> getThemedIconMap() {
		if (mThemedIconMap != null) {
		return mThemedIconMap;
		}
		@@ -260,60 +269,99 @@ public class IconProvider {
		return Calendar.getInstance().get(Calendar.DAY_OF_MONTH) - 1;
		}

		/**
		* Registers a callback to listen for calendar icon changes.
		* The callback receives the packageName for the calendar icon
		*/
		public static SafeCloseable registerIconChangeListener(Context context,
		BiConsumer<String, UserHandle> callback, Handler handler) {
		ComponentName calendar = parseComponentOrNull(context, R.string.calendar_component_name);
		ComponentName clock = parseComponentOrNull(context, R.string.clock_component_name);

		if (calendar == null && clock == null) {
		return () -> { };
		private static ComponentName parseComponentOrNull(Context context, int resId) {
		String cn = context.getString(resId);
		return TextUtils.isEmpty(cn) ? null : ComponentName.unflattenFromString(cn);
		}

		BroadcastReceiver receiver = new DateTimeChangeReceiver(callback);
		final IntentFilter filter = new IntentFilter(Intent.ACTION_TIMEZONE_CHANGED);
		if (calendar != null) {
		filter.addAction(Intent.ACTION_TIME_CHANGED);
		filter.addAction(Intent.ACTION_DATE_CHANGED);
		/**
		* Returns a string representation of the current system icon state
		*/
		public String getSystemIconState() {
		return (CONFIG_ICON_MASK_RES_ID == ID_NULL
		? "" : mContext.getResources().getString(CONFIG_ICON_MASK_RES_ID))
		+ (mThemedIconMap == DISABLED_MAP ? ",no-theme" : ",with-theme");
		}
		context.registerReceiver(receiver, filter, null, handler);

		return () -> context.unregisterReceiver(receiver);
		/**
		* Registers a callback to listen for various system dependent icon changes.
		*/
		public SafeCloseable registerIconChangeListener(IconChangeListener listener, Handler handler) {
		return new IconChangeReceiver(listener, handler);
		}

		private static class DateTimeChangeReceiver extends BroadcastReceiver {
		private class IconChangeReceiver extends BroadcastReceiver implements SafeCloseable {

		private final BiConsumer<String, UserHandle> mCallback;
		private final IconChangeListener mCallback;
		private String mIconState;

		DateTimeChangeReceiver(BiConsumer<String, UserHandle> callback) {
		IconChangeReceiver(IconChangeListener callback, Handler handler) {
		mCallback = callback;
		}
		mIconState = getSystemIconState();

		@Override
		public void onReceive(Context context, Intent intent) {
		if (Intent.ACTION_TIMEZONE_CHANGED.equals(intent.getAction())) {
		ComponentName clock = parseComponentOrNull(context, R.string.clock_component_name);
		if (clock != null) {
		mCallback.accept(clock.getPackageName(), Process.myUserHandle());

		IntentFilter packageFilter = new IntentFilter(ACTION_OVERLAY_CHANGED);
		packageFilter.addDataScheme("package");
		packageFilter.addDataSchemeSpecificPart("android", PatternMatcher.PATTERN_LITERAL);
		mContext.registerReceiver(this, packageFilter, null, handler);

		if (mCalendar != null \|\| mClock != null) {
		final IntentFilter filter = new IntentFilter(ACTION_TIMEZONE_CHANGED);
		if (mCalendar != null) {
		filter.addAction(Intent.ACTION_TIME_CHANGED);
		filter.addAction(ACTION_DATE_CHANGED);
		}
		mContext.registerReceiver(this, filter, null, handler);
		}
		}

		ComponentName calendar =
		parseComponentOrNull(context, R.string.calendar_component_name);
		if (calendar != null) {
		@Override
		public void onReceive(Context context, Intent intent) {
		switch (intent.getAction()) {
		case ACTION_TIMEZONE_CHANGED:
		if (mClock != null) {
		mCallback.onAppIconChanged(mClock.getPackageName(), Process.myUserHandle());
		}
		// follow through
		case ACTION_DATE_CHANGED:
		case ACTION_TIME_CHANGED:
		if (mCalendar != null) {
		for (UserHandle user
		: context.getSystemService(UserManager.class).getUserProfiles()) {
		mCallback.accept(calendar.getPackageName(), user);
		mCallback.onAppIconChanged(mCalendar.getPackageName(), user);
		}
		}
		break;
		case ACTION_OVERLAY_CHANGED: {
		String newState = getSystemIconState();
		if (!mIconState.equals(newState)) {
		mIconState = newState;
		mCallback.onSystemIconStateChanged(mIconState);
		}
		break;
		}
		}
		}

		private static ComponentName parseComponentOrNull(Context context, int resId) {
		String cn = context.getString(resId);
		return TextUtils.isEmpty(cn) ? null : ComponentName.unflattenFromString(cn);
		@Override
		public void close() {
		mContext.unregisterReceiver(this);
		}
		}

		/**
		* Listener for receiving icon changes
		*/
		public interface IconChangeListener {

		/**
		* Called when the icon for a particular app changes
		*/
		void onAppIconChanged(String packageName, UserHandle user);

		/**
		* Called when the global icon state changed, which can typically affect all icons
		*/
		void onSystemIconStateChanged(String iconState);
		}
		}