Merge "Extend stack management to other displays." into klp-modular-dev (88bfc6dd) · Commits · e / os / android_frameworks_base

cmds/am/src/com/android/commands/am/Am.java

+7 −10

Original line number	Diff line number	Diff line
		@@ -109,7 +109,7 @@ public class Am extends BaseCommand {
		" am to-intent-uri [INTENT]\n" +
		" am switch-user <USER_ID>\n" +
		" am stop-user <USER_ID>\n" +
		" am stack create <TASK_ID> <DISPLAY_ID>\n" +
		" am stack start <DISPLAY_ID> <INTENT>\n" +
		" am stack movetask <TASK_ID> <STACK_ID> [true\|false]\n" +
		" am stack resize <STACK_ID> <LEFT,TOP,RIGHT,BOTTOM>\n" +
		" am stack list\n" +
		@@ -207,7 +207,7 @@ public class Am extends BaseCommand {
		"am stop-user: stop execution of USER_ID, not allowing it to run any\n" +
		" code until a later explicit switch to it.\n" +
		"\n" +
		"am stack create: create a new stack containing <TASK_ID> which must exist\n" +
		"am stack start: start a new activity on <DISPLAY_ID> using <INTENT>.\n" +
		"\n" +
		"am stack movetask: move <TASK_ID> from its current stack to the top (true) or" +
		" bottom (false) of <STACK_ID>.\n" +
		@@ -1541,8 +1541,8 @@ public class Am extends BaseCommand {

		private void runStack() throws Exception {
		String op = nextArgRequired();
		if (op.equals("create")) {
		runStackCreate();
		if (op.equals("start")) {
		runStackStart();
		} else if (op.equals("movetask")) {
		runStackMoveTask();
		} else if (op.equals("resize")) {
		@@ -1557,19 +1557,16 @@ public class Am extends BaseCommand {
		}
		}

		private void runStackCreate() throws Exception {
		String taskIdStr = nextArgRequired();
		int taskId = Integer.valueOf(taskIdStr);
		private void runStackStart() throws Exception {
		String displayIdStr = nextArgRequired();
		int displayId = Integer.valueOf(displayIdStr);
		Intent intent = makeIntent(UserHandle.USER_CURRENT);

		try {
		IBinder homeActivityToken = mAm.getHomeActivityToken();
		IActivityContainer container = mAm.createActivityContainer(homeActivityToken, null);
		final int stackId = container.getStackId();
		System.out.println("createStack returned new stackId=" + stackId + "\n");
		container.attachToDisplay(displayId);
		mAm.moveTaskToStack(taskId, stackId, true);
		container.startActivity(intent);
		} catch (RemoteException e) {
		}
		}

core/java/android/app/ActivityManagerNative.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -2031,6 +2031,15 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		return true;
		}

		case GET_ACTIVITY_CONTAINER_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		IBinder activityToken = data.readStrongBinder();
		IActivityContainer activityContainer = getEnclosingActivityContainer(activityToken);
		reply.writeNoException();
		reply.writeStrongBinder(activityContainer.asBinder());
		return true;
		}

		case GET_HOME_ACTIVITY_TOKEN_TRANSACTION: {
		data.enforceInterface(IActivityManager.descriptor);
		IBinder homeActivityToken = getHomeActivityToken();
		@@ -4668,6 +4677,21 @@ class ActivityManagerProxy implements IActivityManager
		return res;
		}

		public IActivityContainer getEnclosingActivityContainer(IBinder activityToken)
		throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		data.writeStrongBinder(activityToken);
		mRemote.transact(GET_ACTIVITY_CONTAINER_TRANSACTION, data, reply, 0);
		reply.readException();
		IActivityContainer res =
		IActivityContainer.Stub.asInterface(reply.readStrongBinder());
		data.recycle();
		reply.recycle();
		return res;
		}

		public IBinder getHomeActivityToken() throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();

core/java/android/app/ActivityThread.java

+13 −2

Original line number	Diff line number	Diff line
		@@ -2219,15 +2219,26 @@ public final class ActivityThread {
		ContextImpl appContext = new ContextImpl();
		appContext.init(r.packageInfo, r.token, this);
		appContext.setOuterContext(activity);
		Context baseContext = appContext;

		final DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance();
		try {
		IActivityContainer container =
		ActivityManagerNative.getDefault().getEnclosingActivityContainer(r.token);
		final int displayId = container.getDisplayId();
		if (displayId > Display.DEFAULT_DISPLAY) {
		Display display = dm.getRealDisplay(displayId, r.token);
		baseContext = appContext.createDisplayContext(display);
		}
		} catch (RemoteException e) {
		}

		// For debugging purposes, if the activity's package name contains the value of
		// the "debug.use-second-display" system property as a substring, then show
		// its content on a secondary display if there is one.
		Context baseContext = appContext;
		String pkgName = SystemProperties.get("debug.second-display.pkg");
		if (pkgName != null && !pkgName.isEmpty()
		&& r.packageInfo.mPackageName.contains(pkgName)) {
		DisplayManagerGlobal dm = DisplayManagerGlobal.getInstance();
		for (int displayId : dm.getDisplayIds()) {
		if (displayId != Display.DEFAULT_DISPLAY) {
		Display display = dm.getRealDisplay(displayId, r.token);

core/java/android/app/IActivityContainer.aidl

+2 −2

Original line number	Diff line number	Diff line
		@@ -23,7 +23,7 @@ import android.os.IBinder;
		/** @hide */
		interface IActivityContainer {
		void attachToDisplay(int displayId);
		int getStackId();
		int getDisplayId();
		void detachFromDisplay();
		void startActivity(in Intent intent);
		int startActivity(in Intent intent);
		}

core/java/android/app/IActivityManager.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -410,6 +410,9 @@ public interface IActivityManager extends IInterface {
		public IActivityContainer createActivityContainer(IBinder parentActivityToken,
		IActivityContainerCallback callback) throws RemoteException;

		public IActivityContainer getEnclosingActivityContainer(IBinder activityToken)
		throws RemoteException;

		public IBinder getHomeActivityToken() throws RemoteException;

		/*
		@@ -699,4 +702,5 @@ public interface IActivityManager extends IInterface {
		int GET_PERSISTED_URI_PERMISSIONS_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+181;
		int APP_NOT_RESPONDING_VIA_PROVIDER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+182;
		int GET_HOME_ACTIVITY_TOKEN_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+183;
		int GET_ACTIVITY_CONTAINER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+184;
		}