Merge "Allow Overlay Display to take display flags" into rvc-dev (07fbb638) · Commits · e / os / android_frameworks_base

core/java/android/provider/Settings.java

+23 −3

Original line number	Diff line number	Diff line
		@@ -10737,13 +10737,33 @@ public final class Settings {
		* The associated value is a specially formatted string that describes the
		* size and density of simulated secondary display devices.
		* <p>
		* Format: {width}x{height}/{dpi};...
		* Format:
		* <pre>
		* [display1];[display2];...
		* </pre>
		* with each display specified as:
		* <pre>
		* [mode1]\|[mode2]\|...,[flag1],[flag2],...
		* </pre>
		* with each mode specified as:
		* <pre>
		* [width]x[height]/[densityDpi]
		* </pre>
		* Supported flags:
		* <ul>
		* <li><pre>secure</pre>: creates a secure display</li>
		* <li><pre>own_content_only</pre>: only shows this display's own content</li>
		* <li><pre>should_show_system_decorations</pre>: supports system decorations</li>
		* </ul>
		* </p><p>
		* Example:
		* <ul>
		* <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
		* <li><code>1920x1080/320;1280x720/213</code>: make two overlays, the first
		* at 1080p and the second at 720p.</li>
		* <li><code>1920x1080/320,secure;1280x720/213</code>: make two overlays, the first at
		* 1080p and secure; the second at 720p.</li>
		* <li><code>1920x1080/320\|3840x2160/640</code>: make one overlay that is 1920x1080 at
		* 213dpi by default, but can also be upscaled to 3840x2160 at 640dpi by the system if the
		* display device allows.</li>
		* <li>If the value is empty, then no overlay display devices are created.</li>
		* </ul></p>
		*

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

+131 −25

Original line number	Diff line number	Diff line
		@@ -16,12 +16,14 @@

		package com.android.server.display;

		import android.annotation.Nullable;
		import android.content.Context;
		import android.database.ContentObserver;
		import android.graphics.SurfaceTexture;
		import android.os.Handler;
		import android.os.IBinder;
		import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.DisplayMetrics;
		import android.util.Slog;
		import android.view.Display;
		@@ -54,6 +56,10 @@ import java.util.regex.Pattern;
		* {@link android.provider.Settings.Global#OVERLAY_DISPLAY_DEVICES} setting. This setting should be
		* formatted as follows:
		* <pre>
		* [display1];[display2];...
		* </pre>
		* with each display specified as:
		* <pre>
		* [mode1]\|[mode2]\|...,[flag1],[flag2],...
		* </pre>
		* with each mode specified as:
		@@ -63,22 +69,56 @@ import java.util.regex.Pattern;
		* Supported flags:
		* <ul>
		* <li><pre>secure</pre>: creates a secure display</li>
		* <li><pre>own_content_only</pre>: only shows this display's own content</li>
		* <li><pre>should_show_system_decorations</pre>: supports system decorations</li>
		* </ul>
		* </p>
		* </p><p>
		* Example:
		* <ul>
		* <li><code>1280x720/213</code>: make one overlay that is 1280x720 at 213dpi.</li>
		* <li><code>1920x1080/320,secure;1280x720/213</code>: make two overlays, the first at 1080p and
		* secure; the second at 720p.</li>
		* <li><code>1920x1080/320\|3840x2160/640</code>: make one overlay that is 1920x1080 at
		* 213dpi by default, but can also be upscaled to 3840x2160 at 640dpi by the system if the
		* display device allows.</li>
		* <li>If the value is empty, then no overlay display devices are created.</li>
		* </ul></p>
		*/
		final class OverlayDisplayAdapter extends DisplayAdapter {
		static final String TAG = "OverlayDisplayAdapter";
		static final boolean DEBUG = false;

		/**
		* When this flag is set, the overlay display is considered secure.
		* @see DisplayDeviceInfo#FLAG_SECURE
		*/
		private static final String OVERLAY_DISPLAY_FLAG_SECURE = "secure";

		/**
		* When this flag is set, only show this display's own content; do not mirror the content of
		* another display.
		* @see DisplayDeviceInfo#FLAG_OWN_CONTENT_ONLY
		*/
		private static final String OVERLAY_DISPLAY_FLAG_OWN_CONTENT_ONLY = "own_content_only";

		/**
		* When this flag is set, the overlay display should support system decorations.
		* @see DisplayDeviceInfo#FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS
		*/
		private static final String OVERLAY_DISPLAY_FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS =
		"should_show_system_decorations";

		private static final int MIN_WIDTH = 100;
		private static final int MIN_HEIGHT = 100;
		private static final int MAX_WIDTH = 4096;
		private static final int MAX_HEIGHT = 4096;

		private static final Pattern DISPLAY_PATTERN =
		Pattern.compile("([^,]+)(,[a-z]+)*");
		private static final Pattern MODE_PATTERN =
		Pattern.compile("(\\d+)x(\\d+)/(\\d+)");
		private static final String DISPLAY_SPLITTER = ";";
		private static final String MODE_SPLITTER = "\\\|";
		private static final String FLAG_SPLITTER = ",";

		private static final Pattern DISPLAY_PATTERN = Pattern.compile("([^,]+)(,[,_a-z]+)*");
		private static final Pattern MODE_PATTERN = Pattern.compile("(\\d+)x(\\d+)/(\\d+)");

		// Unique id prefix for overlay displays.
		private static final String UNIQUE_ID_PREFIX = "overlay:";
		@@ -154,7 +194,7 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		}

		int count = 0;
		for (String part : value.split(";")) {
		for (String part : value.split(DISPLAY_SPLITTER)) {
		Matcher displayMatcher = DISPLAY_PATTERN.matcher(part);
		if (displayMatcher.matches()) {
		if (count >= 4) {
		@@ -164,7 +204,7 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		String modeString = displayMatcher.group(1);
		String flagString = displayMatcher.group(2);
		ArrayList<OverlayMode> modes = new ArrayList<>();
		for (String mode : modeString.split("\\\|")) {
		for (String mode : modeString.split(MODE_SPLITTER)) {
		Matcher modeMatcher = MODE_PATTERN.matcher(mode);
		if (modeMatcher.matches()) {
		try {
		@@ -192,12 +232,13 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		com.android.internal.R.string.display_manager_overlay_display_name,
		number);
		int gravity = chooseOverlayGravity(number);
		boolean secure = flagString != null && flagString.contains(",secure");
		OverlayFlags flags = OverlayFlags.parseFlags(flagString);

		Slog.i(TAG, "Showing overlay display device #" + number
		+ ": name=" + name + ", modes=" + Arrays.toString(modes.toArray()));
		+ ": name=" + name + ", modes=" + Arrays.toString(modes.toArray())
		+ ", flags=" + flags);

		mOverlays.add(new OverlayDisplayHandle(name, modes, gravity, secure, number));
		mOverlays.add(new OverlayDisplayHandle(name, modes, gravity, flags, number));
		continue;
		}
		}
		@@ -223,7 +264,7 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		private final String mName;
		private final float mRefreshRate;
		private final long mDisplayPresentationDeadlineNanos;
		private final boolean mSecure;
		private final OverlayFlags mFlags;
		private final List<OverlayMode> mRawModes;
		private final Display.Mode[] mModes;
		private final int mDefaultMode;
		@@ -234,16 +275,15 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		private DisplayDeviceInfo mInfo;
		private int mActiveMode;

		public OverlayDisplayDevice(IBinder displayToken, String name,
		OverlayDisplayDevice(IBinder displayToken, String name,
		List<OverlayMode> modes, int activeMode, int defaultMode,
		float refreshRate, long presentationDeadlineNanos,
		boolean secure, int state,
		SurfaceTexture surfaceTexture, int number) {
		OverlayFlags flags, int state, SurfaceTexture surfaceTexture, int number) {
		super(OverlayDisplayAdapter.this, displayToken, UNIQUE_ID_PREFIX + number);
		mName = name;
		mRefreshRate = refreshRate;
		mDisplayPresentationDeadlineNanos = presentationDeadlineNanos;
		mSecure = secure;
		mFlags = flags;
		mState = state;
		mSurfaceTexture = surfaceTexture;
		mRawModes = modes;
		@@ -304,9 +344,15 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		mInfo.presentationDeadlineNanos = mDisplayPresentationDeadlineNanos +
		1000000000L / (int) mRefreshRate; // display's deadline + 1 frame
		mInfo.flags = DisplayDeviceInfo.FLAG_PRESENTATION;
		if (mSecure) {
		if (mFlags.mSecure) {
		mInfo.flags \|= DisplayDeviceInfo.FLAG_SECURE;
		}
		if (mFlags.mOwnContentOnly) {
		mInfo.flags \|= DisplayDeviceInfo.FLAG_OWN_CONTENT_ONLY;
		}
		if (mFlags.mShouldShowSystemDecorations) {
		mInfo.flags \|= DisplayDeviceInfo.FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS;
		}
		mInfo.type = Display.TYPE_OVERLAY;
		mInfo.touch = DisplayDeviceInfo.TOUCH_VIRTUAL;
		mInfo.state = mState;
		@@ -363,19 +409,23 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		private final String mName;
		private final List<OverlayMode> mModes;
		private final int mGravity;
		private final boolean mSecure;
		private final OverlayFlags mFlags;
		private final int mNumber;

		private OverlayDisplayWindow mWindow;
		private OverlayDisplayDevice mDevice;
		private int mActiveMode;

		public OverlayDisplayHandle(String name, List<OverlayMode> modes, int gravity,
		boolean secure, int number) {
		OverlayDisplayHandle(
		String name,
		List<OverlayMode> modes,
		int gravity,
		OverlayFlags flags,
		int number) {
		mName = name;
		mModes = modes;
		mGravity = gravity;
		mSecure = secure;
		mFlags = flags;
		mNumber = number;

		mActiveMode = 0;
		@@ -405,10 +455,10 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		public void onWindowCreated(SurfaceTexture surfaceTexture, float refreshRate,
		long presentationDeadlineNanos, int state) {
		synchronized (getSyncRoot()) {
		IBinder displayToken = SurfaceControl.createDisplay(mName, mSecure);
		IBinder displayToken = SurfaceControl.createDisplay(mName, mFlags.mSecure);
		mDevice = new OverlayDisplayDevice(displayToken, mName, mModes, mActiveMode,
		DEFAULT_MODE_INDEX, refreshRate, presentationDeadlineNanos,
		mSecure, state, surfaceTexture, mNumber) {
		mFlags, state, surfaceTexture, mNumber) {
		@Override
		public void onModeChangedLocked(int index) {
		onActiveModeChangedLocked(index);
		@@ -446,7 +496,7 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		pw.println(" mModes=" + Arrays.toString(mModes.toArray()));
		pw.println(" mActiveMode=" + mActiveMode);
		pw.println(" mGravity=" + mGravity);
		pw.println(" mSecure=" + mSecure);
		pw.println(" mFlags=" + mFlags);
		pw.println(" mNumber=" + mNumber);

		// Try to dump the window state.
		@@ -463,8 +513,8 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		public void run() {
		OverlayMode mode = mModes.get(mActiveMode);
		OverlayDisplayWindow window = new OverlayDisplayWindow(getContext(),
		mName, mode.mWidth, mode.mHeight, mode.mDensityDpi, mGravity, mSecure,
		OverlayDisplayHandle.this);
		mName, mode.mWidth, mode.mHeight, mode.mDensityDpi, mGravity,
		mFlags.mSecure, OverlayDisplayHandle.this);
		window.show();

		synchronized (getSyncRoot()) {
		@@ -531,4 +581,60 @@ final class OverlayDisplayAdapter extends DisplayAdapter {
		.toString();
		}
		}

		/** Represents the flags of the overlay display. */
		private static final class OverlayFlags {
		/** See {@link #OVERLAY_DISPLAY_FLAG_SECURE}. */
		final boolean mSecure;

		/** See {@link #OVERLAY_DISPLAY_FLAG_OWN_CONTENT_ONLY}. */
		final boolean mOwnContentOnly;

		/** See {@link #OVERLAY_DISPLAY_FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS}. */
		final boolean mShouldShowSystemDecorations;

		OverlayFlags(
		boolean secure,
		boolean ownContentOnly,
		boolean shouldShowSystemDecorations) {
		mSecure = secure;
		mOwnContentOnly = ownContentOnly;
		mShouldShowSystemDecorations = shouldShowSystemDecorations;
		}

		static OverlayFlags parseFlags(@Nullable String flagString) {
		if (TextUtils.isEmpty(flagString)) {
		return new OverlayFlags(
		false /* secure */,
		false /* ownContentOnly */,
		false /* shouldShowSystemDecorations */);
		}

		boolean secure = false;
		boolean ownContentOnly = false;
		boolean shouldShowSystemDecorations = false;
		for (String flag: flagString.split(FLAG_SPLITTER)) {
		if (OVERLAY_DISPLAY_FLAG_SECURE.equals(flag)) {
		secure = true;
		}
		if (OVERLAY_DISPLAY_FLAG_OWN_CONTENT_ONLY.equals(flag)) {
		ownContentOnly = true;
		}
		if (OVERLAY_DISPLAY_FLAG_SHOULD_SHOW_SYSTEM_DECORATIONS.equals(flag)) {
		shouldShowSystemDecorations = true;
		}
		}
		return new OverlayFlags(secure, ownContentOnly, shouldShowSystemDecorations);
		}

		@Override
		public String toString() {
		return new StringBuilder("{")
		.append("secure=").append(mSecure)
		.append(", ownContentOnly=").append(mOwnContentOnly)
		.append(", shouldShowSystemDecorations=").append(mShouldShowSystemDecorations)
		.append("}")
		.toString();
		}
		}
		}