Exposing public API to retrieve current setting of 'Match Content Frame Rate'. (518898d9) · Commits · e / os / android_frameworks_base

core/api/current.txt

+5 −0

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		@@ -18809,9 +18809,14 @@ package android.hardware.display {
		method public android.view.Display getDisplay(int);
		method public android.view.Display[] getDisplays();
		method public android.view.Display[] getDisplays(String);
		method public int getMatchContentFrameRateUserPreference();
		method public void registerDisplayListener(android.hardware.display.DisplayManager.DisplayListener, android.os.Handler);
		method public void unregisterDisplayListener(android.hardware.display.DisplayManager.DisplayListener);
		field public static final String DISPLAY_CATEGORY_PRESENTATION = "android.hardware.display.category.PRESENTATION";
		field public static final int MATCH_CONTENT_FRAMERATE_ALWAYS = 2; // 0x2
		field public static final int MATCH_CONTENT_FRAMERATE_NEVER = 0; // 0x0
		field public static final int MATCH_CONTENT_FRAMERATE_SEAMLESSS_ONLY = 1; // 0x1
		field public static final int MATCH_CONTENT_FRAMERATE_UNKNOWN = -1; // 0xffffffff
		field public static final int VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR = 16; // 0x10
		field public static final int VIRTUAL_DISPLAY_FLAG_OWN_CONTENT_ONLY = 8; // 0x8
		field public static final int VIRTUAL_DISPLAY_FLAG_PRESENTATION = 2; // 0x2

core/api/test-current.txt

+0 −1

Original line number	Diff line number	Diff line
		@@ -1141,7 +1141,6 @@ package android.hardware.display {

		public final class DisplayManager {
		method public boolean areUserDisabledHdrTypesAllowed();
		method @RequiresPermission(android.Manifest.permission.MODIFY_REFRESH_RATE_SWITCHING_TYPE) public int getRefreshRateSwitchingType();
		method @NonNull public int[] getUserDisabledHdrTypes();
		method public boolean isMinimalPostProcessingRequested(int);
		method @RequiresPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS) public void setAreUserDisabledHdrTypesAllowed(boolean);

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

+61 −7

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		@@ -38,6 +38,7 @@ import android.media.projection.MediaProjection;
		import android.os.Build;
		import android.os.Handler;
		import android.util.Pair;
		import android.util.Slog;
		import android.util.SparseArray;
		import android.view.Display;
		import android.view.Surface;
		@@ -347,6 +348,37 @@ public final class DisplayManager {
		public static final int VIRTUAL_DISPLAY_FLAG_OWN_DISPLAY_GROUP = 1 << 11;


		/** @hide */
		@IntDef(prefix = {"MATCH_CONTENT_FRAMERATE_"}, value = {
		MATCH_CONTENT_FRAMERATE_UNKNOWN,
		MATCH_CONTENT_FRAMERATE_NEVER,
		MATCH_CONTENT_FRAMERATE_SEAMLESSS_ONLY,
		MATCH_CONTENT_FRAMERATE_ALWAYS,
		})
		@Retention(RetentionPolicy.SOURCE)
		public @interface MatchContentFrameRateType {}

		/**
		* Match content frame rate user preference is unknown.
		*/
		public static final int MATCH_CONTENT_FRAMERATE_UNKNOWN = -1;

		/**
		* No mode switching is allowed.
		*/
		public static final int MATCH_CONTENT_FRAMERATE_NEVER = 0;

		/**
		* Only refresh rate switches without visual interruptions are allowed.
		*/
		public static final int MATCH_CONTENT_FRAMERATE_SEAMLESSS_ONLY = 1;

		/**
		* Refresh rate switches between all refresh rates are allowed even if they have visual
		* interruptions for the user.
		*/
		public static final int MATCH_CONTENT_FRAMERATE_ALWAYS = 2;

		/** @hide */
		@IntDef(prefix = {"SWITCHING_TYPE_"}, value = {
		SWITCHING_TYPE_NONE,
		@@ -1076,14 +1108,36 @@ public final class DisplayManager {
		}

		/**
		* Returns the refresh rate switching type.
		*
		* @hide
		* Returns the user preference for "Match content frame rate".
		* <p>
		* Never: Even if the app requests it, the device will never try to match its output to the
		* original frame rate of the content.
		* </p><p>
		* Seamless: If the app requests it, the device will match its output to the original frame
		* rate of the content, ONLY if the display can transition seamlessly.
		* </p><p>
		* Always: If the app requests it, the device will match its output to the original
		* frame rate of the content. This may cause the screen to go blank for a
		* second when exiting or entering a video playback.
		* </p>
		*/
		@TestApi
		@RequiresPermission(Manifest.permission.MODIFY_REFRESH_RATE_SWITCHING_TYPE)
		@SwitchingType public int getRefreshRateSwitchingType() {
		return mGlobal.getRefreshRateSwitchingType();
		@MatchContentFrameRateType public int getMatchContentFrameRateUserPreference() {
		return toMatchContentFrameRateSetting(mGlobal.getRefreshRateSwitchingType());
		}

		@MatchContentFrameRateType
		private int toMatchContentFrameRateSetting(@SwitchingType int switchingType) {
		switch (switchingType) {
		case SWITCHING_TYPE_NONE:
		return MATCH_CONTENT_FRAMERATE_NEVER;
		case SWITCHING_TYPE_WITHIN_GROUPS:
		return MATCH_CONTENT_FRAMERATE_SEAMLESSS_ONLY;
		case SWITCHING_TYPE_ACROSS_AND_WITHIN_GROUPS:
		return MATCH_CONTENT_FRAMERATE_ALWAYS;
		default:
		Slog.e(TAG, switchingType + " is not a valid value of switching type.");
		return MATCH_CONTENT_FRAMERATE_UNKNOWN;
		}
		}

		/**

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

+0 −3

Original line number	Diff line number	Diff line
		@@ -2932,9 +2932,6 @@ public final class DisplayManagerService extends SystemService {

		@Override // Binder call
		public int getRefreshRateSwitchingType() {
		mContext.enforceCallingOrSelfPermission(
		Manifest.permission.MODIFY_REFRESH_RATE_SWITCHING_TYPE,
		"Permission required read refresh rate switching type.");
		final long token = Binder.clearCallingIdentity();
		try {
		return getRefreshRateSwitchingTypeInternal();