Add Display Category Rear (fc15d209) · Commits · e / os / android_frameworks_base

core/java/android/hardware/display/DisplayManager.java

+37 −11

Original line number	Diff line number	Diff line
		@@ -114,6 +114,23 @@ public final class DisplayManager {
		public static final String DISPLAY_CATEGORY_PRESENTATION =
		"android.hardware.display.category.PRESENTATION";

		/**
		* Display category: Rear displays.
		* <p>
		* This category can be used to identify complementary internal displays that are facing away
		* from the user.
		* Certain applications may present to this display.
		* Similar to presentation displays.
		* </p>
		*
		* @see android.app.Presentation
		* @see Display#FLAG_PRESENTATION
		* @see #getDisplays(String)
		* @hide
		*/
		public static final String DISPLAY_CATEGORY_REAR =
		"android.hardware.display.category.REAR";

		/**
		* Display category: All displays, including disabled displays.
		* <p>
		@@ -619,11 +636,19 @@ public final class DisplayManager {
		synchronized (mLock) {
		try {
		if (DISPLAY_CATEGORY_PRESENTATION.equals(category)) {
		addPresentationDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_WIFI);
		addPresentationDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_EXTERNAL);
		addPresentationDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_OVERLAY);
		addPresentationDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_VIRTUAL);
		addPresentationDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_INTERNAL);
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_WIFI,
		Display.FLAG_PRESENTATION);
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_EXTERNAL,
		Display.FLAG_PRESENTATION);
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_OVERLAY,
		Display.FLAG_PRESENTATION);
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_VIRTUAL,
		Display.FLAG_PRESENTATION);
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_INTERNAL,
		Display.FLAG_PRESENTATION);
		} else if (DISPLAY_CATEGORY_REAR.equals(category)) {
		addDisplaysLocked(mTempDisplays, displayIds, Display.TYPE_INTERNAL,
		Display.FLAG_REAR);
		} else if (category == null
		\|\| DISPLAY_CATEGORY_ALL_INCLUDING_DISABLED.equals(category)) {
		addAllDisplaysLocked(mTempDisplays, displayIds);
		@@ -644,15 +669,16 @@ public final class DisplayManager {
		}
		}

		private void addPresentationDisplaysLocked(
		ArrayList<Display> displays, int[] displayIds, int matchType) {
		for (int i = 0; i < displayIds.length; i++) {
		if (displayIds[i] == DEFAULT_DISPLAY) {
		private void addDisplaysLocked(
		ArrayList<Display> displays, int[] displayIds, int matchType, int flagMask) {
		for (int displayId : displayIds) {
		if (displayId == DEFAULT_DISPLAY) {
		continue;
		}
		Display display = getOrCreateDisplayLocked(displayIds[i], true /assumeValid/);

		Display display = getOrCreateDisplayLocked(displayId, /* assumeValid= */ true);
		if (display != null
		&& (display.getFlags() & Display.FLAG_PRESENTATION) != 0
		&& (display.getFlags() & flagMask) == flagMask
		&& display.getType() == matchType) {
		displays.add(display);
		}

core/java/android/view/Display.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -359,6 +359,17 @@ public final class Display {
		*/
		public static final int FLAG_STEAL_TOP_FOCUS_DISABLED = 1 << 12;

		/**
		* Display flag: Indicates that the display is a rear display.
		* <p>
		* This flag identifies complementary displays that are facing away from the user.
		* </p>
		*
		* @hide
		* @see #getFlags()
		*/
		public static final int FLAG_REAR = 1 << 13;

		/**
		* Display flag: Indicates that the contents of the display should not be scaled
		* to fit the physical screen dimensions. Used for development only to emulate

core/java/android/view/DisplayInfo.java

+3 −0

Original line number	Diff line number	Diff line
		@@ -906,6 +906,9 @@ public final class DisplayInfo implements Parcelable {
		if ((flags & Display.FLAG_TOUCH_FEEDBACK_DISABLED) != 0) {
		result.append(", FLAG_TOUCH_FEEDBACK_DISABLED");
		}
		if ((flags & Display.FLAG_REAR) != 0) {
		result.append(", FLAG_REAR_DISPLAY");
		}
		return result.toString();
		}
		}

services/core/java/com/android/server/display/DeviceStateToLayoutMap.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -118,6 +118,7 @@ class DeviceStateToLayoutMap {
		final int state = l.getState().intValue();
		final Layout layout = createLayout(state);
		for (com.android.server.display.config.layout.Display d: l.getDisplay()) {
		assert layout != null;
		Layout.Display display = layout.createDisplayLocked(
		DisplayAddress.fromPhysicalDisplayId(d.getAddress().longValue()),
		d.isDefaultDisplay(),

services/core/java/com/android/server/display/LogicalDisplay.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.view.DisplayInfo;
		import android.view.Surface;
		import android.view.SurfaceControl;

		import com.android.server.display.layout.Layout;
		import com.android.server.wm.utils.InsetUtils;

		import java.io.PrintWriter;
		@@ -152,6 +153,10 @@ final class LogicalDisplay {
		// the {@link mIsEnabled} is changing, or the underlying mPrimiaryDisplayDevice is changing.
		private boolean mIsInTransition;

		// Indicates the position of the display, POSITION_UNKNOWN could mean it hasn't been specified,
		// or this is a virtual display etc.
		private int mPosition = Layout.Display.POSITION_UNKNOWN;

		/**
		* The ID of the brightness throttling data that should be used. This can change e.g. in
		* concurrent displays mode in which a stricter brightness throttling policy might need to be
		@@ -170,6 +175,13 @@ final class LogicalDisplay {
		mBrightnessThrottlingDataId = DisplayDeviceConfig.DEFAULT_BRIGHTNESS_THROTTLING_DATA_ID;
		}

		public void setPositionLocked(int position) {
		mPosition = position;
		}
		public int getPositionLocked() {
		return mPosition;
		}

		/**
		* Gets the logical display id of this logical display.
		*
		@@ -424,6 +436,11 @@ final class LogicalDisplay {
		mBaseDisplayInfo.roundedCorners = deviceInfo.roundedCorners;
		mBaseDisplayInfo.installOrientation = deviceInfo.installOrientation;
		mBaseDisplayInfo.displayShape = deviceInfo.displayShape;

		if (mPosition == Layout.Display.POSITION_REAR) {
		mBaseDisplayInfo.flags \|= Display.FLAG_REAR;
		}

		mPrimaryDisplayDeviceInfo = deviceInfo;
		mInfo.set(null);
		}
		@@ -814,6 +831,7 @@ final class LogicalDisplay {
		pw.println("mIsEnabled=" + mIsEnabled);
		pw.println("mIsInTransition=" + mIsInTransition);
		pw.println("mLayerStack=" + mLayerStack);
		pw.println("mPosition=" + mPosition);
		pw.println("mHasContent=" + mHasContent);
		pw.println("mDesiredDisplayModeSpecs={" + mDesiredDisplayModeSpecs + "}");
		pw.println("mRequestedColorMode=" + mRequestedColorMode);