Ignore canDisplayOnRemoteDevices=false on secure displays (b0582c7a) · Commits · e / os / android_frameworks_base

core/java/android/content/pm/ActivityInfo.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -626,7 +626,8 @@ public class ActivityInfo extends ComponentInfo implements Parcelable {
		*/
		public static final int FLAG_ENABLE_VR_MODE = 0x8000;
		/**
		* Bit in {@link #flags} indicating if the activity can be displayed on a virtual display.
		* Bit in {@link #flags} indicating if the activity can be displayed on an insecure virtual
		* display.
		* Corresponds to {@link android.R.attr#canDisplayOnRemoteDevices}
		* @hide
		*/

services/companion/java/com/android/server/companion/virtual/GenericWindowPolicyController.java

+5 −9

Original line number	Diff line number	Diff line
		@@ -124,6 +124,7 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		// and waitAndGetIsMirrorDisplay()
		private int mDisplayId = Display.INVALID_DISPLAY;
		private boolean mIsMirrorDisplay = false;
		private boolean mIsSecureDisplay = false;
		private final CountDownLatch mDisplayIdSetLatch = new CountDownLatch(1);

		// Used for detecting changes in the window flags.
		@@ -148,8 +149,6 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		* Creates a window policy controller that is generic to the different use cases of virtual
		* device.
		*
		* @param windowFlags The window flags that this controller is interested in.
		* @param systemWindowFlags The system window flags that this controller is interested in.
		* @param attributionSource The AttributionSource of the VirtualDevice owner application.
		* @param allowedUsers The set of users that are allowed to stream in this display.
		* @param activityLaunchAllowedByDefault Whether activities are default allowed to be launched
		@@ -170,8 +169,6 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		* virtual display flag.
		*/
		public GenericWindowPolicyController(
		int windowFlags,
		int systemWindowFlags,
		AttributionSource attributionSource,
		@NonNull ArraySet<UserHandle> allowedUsers,
		boolean activityLaunchAllowedByDefault,
		@@ -191,7 +188,6 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		mActivityPolicyPackageExemptions = new ArraySet<>(activityPolicyPackageExemptions);
		mCrossTaskNavigationAllowedByDefault = crossTaskNavigationAllowedByDefault;
		mCrossTaskNavigationExemptions = new ArraySet<>(crossTaskNavigationExemptions);
		setInterestedWindowFlags(windowFlags, systemWindowFlags);
		mActivityListener = activityListener;
		mDisplayCategories = displayCategories;
		mShowTasksInHostDeviceRecents = showTasksInHostDeviceRecents;
		@@ -201,9 +197,10 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		/**
		* Expected to be called once this object is associated with a newly created display.
		*/
		void setDisplayId(int displayId, boolean isMirrorDisplay) {
		void setDisplayId(int displayId, boolean isMirrorDisplay, boolean isSecureDisplay) {
		mDisplayId = displayId;
		mIsMirrorDisplay = isMirrorDisplay;
		mIsSecureDisplay = isSecureDisplay;
		mDisplayIdSetLatch.countDown();
		}

		@@ -324,9 +321,8 @@ public class GenericWindowPolicyController extends DisplayWindowPolicyController
		"Virtual device doesn't support windowing mode " + windowingMode);
		return false;
		}
		if ((activityInfo.flags & FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES) == 0) {
		logActivityLaunchBlocked(
		"Activity requires android:canDisplayOnRemoteDevices=true");
		if (!mIsSecureDisplay && (activityInfo.flags & FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES) == 0) {
		logActivityLaunchBlocked("Display requires android:canDisplayOnRemoteDevices=true");
		return false;
		}
		final UserHandle activityUser =

services/companion/java/com/android/server/companion/virtual/VirtualDeviceImpl.java

+8 −6

Original line number	Diff line number	Diff line
		@@ -1465,8 +1465,6 @@ final class VirtualDeviceImpl extends IVirtualDevice.Stub
		}

		return new GenericWindowPolicyController(
		WindowManager.LayoutParams.FLAG_SECURE,
		WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS,
		mAttributionSource,
		getAllowedUserHandles(),
		activityLaunchAllowedByDefault,
		@@ -1608,12 +1606,16 @@ final class VirtualDeviceImpl extends IVirtualDevice.Stub
		DisplayWindowPolicyController dwpc) {
		final boolean isMirrorDisplay =
		mDisplayManagerInternal.getDisplayIdToMirror(displayId) != Display.INVALID_DISPLAY;
		final boolean isTrustedDisplay =
		(mDisplayManagerInternal.getDisplayInfo(displayId).flags & Display.FLAG_TRUSTED)
		== Display.FLAG_TRUSTED;
		final int flags = mDisplayManagerInternal.getDisplayInfo(displayId).flags;
		final boolean isTrustedDisplay = (flags & Display.FLAG_TRUSTED) == Display.FLAG_TRUSTED;
		final boolean isSecureDisplay = (flags & Display.FLAG_SECURE) == Display.FLAG_SECURE;

		GenericWindowPolicyController gwpc = (GenericWindowPolicyController) dwpc;
		gwpc.setDisplayId(displayId, isMirrorDisplay);
		if (!isSecureDisplay) {
		gwpc.setInterestedWindowFlags(WindowManager.LayoutParams.FLAG_SECURE,
		WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
		}
		gwpc.setDisplayId(displayId, isMirrorDisplay, isSecureDisplay);
		PowerManager.WakeLock wakeLock =
		isTrustedDisplay ? createWakeLockForDisplay(displayId) : null;
		synchronized (mVirtualDeviceLock) {

services/core/java/com/android/server/wm/DisplayWindowPolicyControllerHelper.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -136,7 +136,9 @@ class DisplayWindowPolicyControllerHelper {
		if (displayType != Display.TYPE_VIRTUAL && displayType != Display.TYPE_WIFI) {
		return true;
		}
		if ((aInfo.flags & FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES) == 0) {

		if ((aInfo.flags & FLAG_CAN_DISPLAY_ON_REMOTE_DEVICES) == 0
		&& (mDisplayContent.getDisplay().getFlags() & Display.FLAG_SECURE) == 0) {
		Slog.d(TAG,
		String.format("Checking activity launch on display %d, activity requires"
		+ " android:canDisplayOnRemoteDevices=true",

services/tests/servicestests/src/com/android/server/companion/virtual/GenericWindowPolicyControllerTest.java

+25 −100

File changed.

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