Adding recents experiment override. (4727ab93) · Commits · e / os / android_frameworks_base

packages/SystemUI/src/com/android/systemui/recents/Recents.java

+48 −0

Original line number	Diff line number	Diff line
		@@ -21,9 +21,11 @@ import android.content.Context;
		import android.content.Intent;
		import android.content.ServiceConnection;
		import android.content.res.Configuration;
		import android.os.Build;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.RemoteException;
		import android.os.SystemProperties;
		import android.os.UserHandle;
		import android.util.Log;
		import android.view.Display;
		@@ -52,10 +54,21 @@ public class Recents extends SystemUI
		public final static int EVENT_BUS_PRIORITY = 1;
		public final static int BIND_TO_SYSTEM_USER_RETRY_DELAY = 5000;

		// Purely for experimentation
		private final static String RECENTS_OVERRIDE_SYSPROP_KEY = "persist.recents_override_pkg";
		private final static String ACTION_SHOW_RECENTS = "com.android.systemui.recents.ACTION_SHOW";
		private final static String ACTION_HIDE_RECENTS = "com.android.systemui.recents.ACTION_HIDE";
		private final static String ACTION_TOGGLE_RECENTS = "com.android.systemui.recents.ACTION_TOGGLE";

		private static SystemServicesProxy sSystemServicesProxy;
		private static RecentsTaskLoader sTaskLoader;
		private static RecentsConfiguration sConfiguration;

		// For experiments only, allows another package to handle recents if it is defined in the system
		// properties. This is limited to show/toggle/hide, and does not tie into the ActivityManager,
		// and does not reside in the home stack.
		private String mOverrideRecentsPackageName;

		private Handler mHandler;
		private RecentsImpl mImpl;

		@@ -142,6 +155,14 @@ public class Recents extends SystemUI
		mHandler = new Handler();
		mImpl = new RecentsImpl(mContext);

		// Check if there is a recents override package
		if ("userdebug".equals(Build.TYPE) \|\| "eng".equals(Build.TYPE)) {
		String cnStr = SystemProperties.get(RECENTS_OVERRIDE_SYSPROP_KEY);
		if (!cnStr.isEmpty()) {
		mOverrideRecentsPackageName = cnStr;
		}
		}

		// Register with the event bus
		EventBus.getDefault().register(this, EVENT_BUS_PRIORITY);
		EventBus.getDefault().register(sTaskLoader, EVENT_BUS_PRIORITY);
		@@ -172,6 +193,10 @@ public class Recents extends SystemUI
		*/
		@Override
		public void showRecents(boolean triggeredFromAltTab, View statusBarView) {
		if (proxyToOverridePackage(ACTION_SHOW_RECENTS)) {
		return;
		}

		int currentUser = sSystemServicesProxy.getCurrentUser();
		if (sSystemServicesProxy.isSystemUser(currentUser)) {
		mImpl.showRecents(triggeredFromAltTab);
		@@ -197,6 +222,10 @@ public class Recents extends SystemUI
		*/
		@Override
		public void hideRecents(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) {
		if (proxyToOverridePackage(ACTION_HIDE_RECENTS)) {
		return;
		}

		int currentUser = sSystemServicesProxy.getCurrentUser();
		if (sSystemServicesProxy.isSystemUser(currentUser)) {
		mImpl.hideRecents(triggeredFromAltTab, triggeredFromHomeKey);
		@@ -222,6 +251,10 @@ public class Recents extends SystemUI
		*/
		@Override
		public void toggleRecents(Display display, int layoutDirection, View statusBarView) {
		if (proxyToOverridePackage(ACTION_TOGGLE_RECENTS)) {
		return;
		}

		int currentUser = sSystemServicesProxy.getCurrentUser();
		if (sSystemServicesProxy.isSystemUser(currentUser)) {
		mImpl.toggleRecents();
		@@ -421,4 +454,19 @@ public class Recents extends SystemUI
		}
		mOnConnectRunnables.clear();
		}

		/**
		* Attempts to proxy the following action to the override recents package.
		* @return whether the proxying was successful
		*/
		private boolean proxyToOverridePackage(String action) {
		if (mOverrideRecentsPackageName != null) {
		Intent intent = new Intent(action);
		intent.setPackage(mOverrideRecentsPackageName);
		intent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND);
		mContext.sendBroadcast(intent);
		return true;
		}
		return false;
		}
		}