Move global grayscale to ColorDisplayService
Bug: 111215474
Test: atest FrameworksServicesTests:ColorDisplayServiceTest
Change-Id: I9b72d53b2614f225422f15f3b4018383d75071cd
diff --git a/services/core/java/com/android/server/display/ColorDisplayService.java b/services/core/java/com/android/server/display/ColorDisplayService.java
index 73d3d95..b332c47 100644
--- a/services/core/java/com/android/server/display/ColorDisplayService.java
+++ b/services/core/java/com/android/server/display/ColorDisplayService.java
@@ -18,7 +18,9 @@
import static com.android.server.display.DisplayTransformManager.LEVEL_COLOR_MATRIX_DISPLAY_WHITE_BALANCE;
import static com.android.server.display.DisplayTransformManager.LEVEL_COLOR_MATRIX_NIGHT_DISPLAY;
+import static com.android.server.display.DisplayTransformManager.LEVEL_COLOR_MATRIX_SATURATION;
+import android.Manifest;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.TypeEvaluator;
@@ -31,6 +33,7 @@
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
+import android.content.pm.PackageManager;
import android.database.ContentObserver;
import android.hardware.display.ColorDisplayManager;
import android.hardware.display.IColorDisplayManager;
@@ -39,6 +42,7 @@
import android.os.Binder;
import android.os.Handler;
import android.os.Looper;
+import android.os.Message;
import android.os.UserHandle;
import android.provider.Settings.Secure;
import android.provider.Settings.System;
@@ -61,6 +65,7 @@
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.format.DateTimeParseException;
+import java.util.Arrays;
/**
* Controls the display's color transforms.
@@ -83,6 +88,10 @@
Matrix.setIdentityM(MATRIX_IDENTITY, 0);
}
+ private static final int MSG_APPLY_NIGHT_DISPLAY_IMMEDIATE = 0;
+ private static final int MSG_APPLY_NIGHT_DISPLAY_ANIMATED = 1;
+ private static final int MSG_APPLY_GLOBAL_SATURATION = 2;
+
/**
* Evaluator used to animate color matrix transitions.
*/
@@ -161,6 +170,53 @@
}
};
+ private final TintController mGlobalSaturationTintController = new TintController() {
+
+ private float[] mMatrixGlobalSaturation = new float[16];
+
+ @Override
+ public void setUp(Context context, boolean needsLinear) {
+ }
+
+ @Override
+ public float[] getMatrix() {
+ return Arrays.copyOf(mMatrixGlobalSaturation, mMatrixGlobalSaturation.length);
+ }
+
+ @Override
+ public void setMatrix(int saturationLevel) {
+ if (saturationLevel < 0) {
+ saturationLevel = 0;
+ } else if (saturationLevel > 100) {
+ saturationLevel = 100;
+ }
+ Slog.d(TAG, "Setting saturation level: " + saturationLevel);
+
+ if (saturationLevel == 100) {
+ Matrix.setIdentityM(mMatrixGlobalSaturation, 0);
+ } else {
+ float saturation = saturationLevel * 0.1f;
+ float desaturation = 1.0f - saturation;
+ float[] luminance = {0.231f * desaturation, 0.715f * desaturation,
+ 0.072f * desaturation};
+ mMatrixGlobalSaturation[0] = luminance[0] + saturation;
+ mMatrixGlobalSaturation[1] = luminance[0];
+ mMatrixGlobalSaturation[2] = luminance[0];
+ mMatrixGlobalSaturation[4] = luminance[1];
+ mMatrixGlobalSaturation[5] = luminance[1] + saturation;
+ mMatrixGlobalSaturation[6] = luminance[1];
+ mMatrixGlobalSaturation[8] = luminance[2];
+ mMatrixGlobalSaturation[9] = luminance[2];
+ mMatrixGlobalSaturation[10] = luminance[2] + saturation;
+ }
+ }
+
+ @Override
+ public int getLevel() {
+ return LEVEL_COLOR_MATRIX_SATURATION;
+ }
+ };
+
private final Handler mHandler;
private int mCurrentUser = UserHandle.USER_NULL;
@@ -178,7 +234,7 @@
public ColorDisplayService(Context context) {
super(context);
- mHandler = new Handler(Looper.getMainLooper());
+ mHandler = new TintHandler(Looper.getMainLooper());
}
@Override
@@ -904,6 +960,23 @@
void onDisplayWhiteBalanceStatusChanged(boolean enabled);
}
+ private final class TintHandler extends Handler {
+
+ TintHandler(Looper looper) {
+ super(looper, null, true /* async */);
+ }
+
+ @Override
+ public void handleMessage(Message msg) {
+ switch (msg.what) {
+ case MSG_APPLY_GLOBAL_SATURATION:
+ mGlobalSaturationTintController.setMatrix(msg.arg1);
+ applyTint(mGlobalSaturationTintController, false);
+ break;
+ }
+ }
+ }
+
private final class BinderService extends IColorDisplayManager.Stub {
@Override
@@ -915,5 +988,27 @@
Binder.restoreCallingIdentity(token);
}
}
+
+ @Override
+ public boolean setSaturationLevel(int level) {
+ final boolean hasTransformsPermission = getContext()
+ .checkCallingPermission(Manifest.permission.CONTROL_DISPLAY_COLOR_TRANSFORMS)
+ == PackageManager.PERMISSION_GRANTED;
+ final boolean hasLegacyPermission = getContext()
+ .checkCallingPermission(Manifest.permission.CONTROL_DISPLAY_SATURATION)
+ == PackageManager.PERMISSION_GRANTED;
+ if (!hasTransformsPermission && !hasLegacyPermission) {
+ throw new SecurityException("Permission required to set display saturation level");
+ }
+ final long token = Binder.clearCallingIdentity();
+ try {
+ final Message message = mHandler.obtainMessage(MSG_APPLY_GLOBAL_SATURATION);
+ message.arg1 = level;
+ mHandler.sendMessage(message);
+ } finally {
+ Binder.restoreCallingIdentity(token);
+ }
+ return true;
+ }
}
}