// debug gpu overdraw
// debug non-rectangular clip operations
controllers.add(new ForceMSAAPreferenceController(context));
- // disable hw overlays
+ controllers.add(new HardwareOverlaysPreferenceController(context));
// simulate color space
// set gpu renderer
// disable usb audio routing
--- /dev/null
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development;
+
+import android.content.Context;
+import android.os.IBinder;
+import android.os.Parcel;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.support.annotation.VisibleForTesting;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+
+public class HardwareOverlaysPreferenceController extends DeveloperOptionsPreferenceController
+ implements Preference.OnPreferenceChangeListener {
+
+ private static final String DISABLE_OVERLAYS_KEY = "disable_overlays";
+
+ private static final int SETTING_VALUE_ON = 1;
+ private static final int SETTING_VALUE_OFF = 0;
+ private static final String SURFACE_FLINGER_SERVICE_KEY = "SurfaceFlinger";
+
+ @VisibleForTesting
+ static final int SURFACE_FLINGER_READ_CODE = 1010;
+
+ private static final int SURFACE_FLINGER_DISABLE_OVERLAYS_CODE = 1008;
+ private static final String SURFACE_COMPOSER_INTERFACE_KEY = "android.ui.ISurfaceComposer";
+
+ private final IBinder mSurfaceFlinger;
+ private SwitchPreference mPreference;
+
+ public HardwareOverlaysPreferenceController(Context context) {
+ super(context);
+ mSurfaceFlinger = ServiceManager.getService(SURFACE_FLINGER_SERVICE_KEY);
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return DISABLE_OVERLAYS_KEY;
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+
+ mPreference = (SwitchPreference) screen.findPreference(getPreferenceKey());
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object newValue) {
+ final boolean isEnabled = (Boolean) newValue;
+ writeHardwareOverlaysSetting(isEnabled);
+ return true;
+ }
+
+ @Override
+ public void updateState(Preference preference) {
+ updateHardwareOverlaysSetting();
+ }
+
+ @Override
+ protected void onDeveloperOptionsSwitchEnabled() {
+ mPreference.setEnabled(true);
+ }
+
+ @Override
+ protected void onDeveloperOptionsSwitchDisabled() {
+ if (mPreference.isChecked()) {
+ // Writing false to the preference when the setting is already off will have a
+ // side effect of turning on the preference that we wish to avoid
+ writeHardwareOverlaysSetting(false);
+ mPreference.setChecked(false);
+ }
+ mPreference.setEnabled(false);
+ }
+
+ @VisibleForTesting
+ void updateHardwareOverlaysSetting() {
+ if (mSurfaceFlinger == null) {
+ return;
+ }
+ // magic communication with surface flinger.
+ try {
+ final Parcel data = Parcel.obtain();
+ final Parcel reply = Parcel.obtain();
+ data.writeInterfaceToken(SURFACE_COMPOSER_INTERFACE_KEY);
+ mSurfaceFlinger.transact(SURFACE_FLINGER_READ_CODE, data, reply, 0 /* flags */);
+ @SuppressWarnings("unused") final int showCpu = reply.readInt();
+ @SuppressWarnings("unused") final int enableGL = reply.readInt();
+ @SuppressWarnings("unused") final int showUpdates = reply.readInt();
+ @SuppressWarnings("unused") final int showBackground = reply.readInt();
+ final int disableOverlays = reply.readInt();
+ mPreference.setChecked(disableOverlays != SETTING_VALUE_OFF);
+ reply.recycle();
+ data.recycle();
+ } catch (RemoteException ex) {
+ // intentional no-op
+ }
+ }
+
+ @VisibleForTesting
+ void writeHardwareOverlaysSetting(boolean isEnabled) {
+ if (mSurfaceFlinger == null) {
+ return;
+ }
+ try {
+ final Parcel data = Parcel.obtain();
+ data.writeInterfaceToken(SURFACE_COMPOSER_INTERFACE_KEY);
+ final int disableOverlays = isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF;
+ data.writeInt(disableOverlays);
+ mSurfaceFlinger.transact(SURFACE_FLINGER_DISABLE_OVERLAYS_CODE, data,
+ null /* reply */, 0 /* flags */);
+ data.recycle();
+ } catch (RemoteException ex) {
+ // intentional no-op
+ }
+ updateHardwareOverlaysSetting();
+ }
+}
--- /dev/null
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.development;
+
+import static com.android.settings.development.HardwareOverlaysPreferenceController
+ .SURFACE_FLINGER_READ_CODE;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doNothing;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.IBinder;
+import android.os.RemoteException;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.settings.TestConfig;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class HardwareOverlaysPreferenceControllerTest {
+
+ @Mock
+ private Context mContext;
+ @Mock
+ private PreferenceScreen mScreen;
+ @Mock
+ private SwitchPreference mPreference;
+ @Mock
+ private IBinder mSurfaceFlinger;
+
+ private HardwareOverlaysPreferenceController mController;
+
+ @Before
+ public void setUp() {
+ MockitoAnnotations.initMocks(this);
+ mController = spy(new HardwareOverlaysPreferenceController(mContext));
+ ReflectionHelpers.setField(mController, "mSurfaceFlinger", mSurfaceFlinger);
+ doNothing().when(mController).writeHardwareOverlaysSetting(anyBoolean());
+ when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+ mController.displayPreference(mScreen);
+ }
+
+ @Test
+ public void onPreferenceChange_settingToggledOn_shouldWriteTrueToHardwareOverlaysSetting() {
+ mController.onPreferenceChange(mPreference, true /* new value */);
+
+ verify(mController).writeHardwareOverlaysSetting(true);
+ }
+
+ @Test
+ public void onPreferenceChange_settingToggledOff_shouldWriteFalseToHardwareOverlaysSetting() {
+ mController.onPreferenceChange(mPreference, false /* new value */);
+
+ verify(mController).writeHardwareOverlaysSetting(false);
+ }
+
+ @Test
+ @Config(shadows = {ShadowParcel.class})
+ public void updateState_settingEnabled_shouldCheckPreference() throws RemoteException {
+ ShadowParcel.sReadIntResult = 1;
+ doReturn(true).when(mSurfaceFlinger).transact(eq(SURFACE_FLINGER_READ_CODE), any(), any(),
+ eq(0 /* flags */));
+ mController.updateState(mPreference);
+
+ verify(mPreference).setChecked(true);
+ }
+
+ @Test
+ @Config(shadows = {ShadowParcel.class})
+ public void updateState_settingDisabled_shouldUnCheckPreference() throws RemoteException {
+ ShadowParcel.sReadIntResult = 0;
+ doReturn(true).when(mSurfaceFlinger).transact(eq(SURFACE_FLINGER_READ_CODE), any(), any(),
+ eq(0 /* flags */));
+ mController.updateState(mPreference);
+
+ verify(mPreference).setChecked(false);
+ }
+
+ @Test
+ public void onDeveloperOptionsSwitchDisabled_preferenceChecked_shouldTurnOffPreference() {
+ when(mPreference.isChecked()).thenReturn(true);
+ mController.onDeveloperOptionsSwitchDisabled();
+
+ verify(mController).writeHardwareOverlaysSetting(false);
+ verify(mPreference).setChecked(false);
+ verify(mPreference).setEnabled(false);
+ }
+
+ @Test
+ public void onDeveloperOptionsSwitchDisabled_preferenceUnchecked_shouldNotTurnOffPreference() {
+ when(mPreference.isChecked()).thenReturn(false);
+ mController.onDeveloperOptionsSwitchDisabled();
+
+ verify(mController, never()).writeHardwareOverlaysSetting(anyBoolean());
+ verify(mPreference, never()).setChecked(anyBoolean());
+ verify(mPreference).setEnabled(false);
+ }
+
+ @Test
+ public void onDeveloperOptionsSwitchEnabled_shouldEnablePreference() {
+ mController.onDeveloperOptionsSwitchEnabled();
+
+ verify(mPreference).setEnabled(true);
+ }
+}
--- /dev/null
+package com.android.settings.development;
+
+import android.os.Parcel;
+
+import org.robolectric.annotation.Implementation;
+import org.robolectric.annotation.Implements;
+
+/**
+ * This class provides helpers to test logic that reads from parcels.
+ */
+@Implements(Parcel.class)
+public class ShadowParcel {
+
+ static int sReadIntResult;
+
+ @Implementation
+ public int readInt() {
+ return sReadIntResult;
+ }
+}
\ No newline at end of file
import android.content.Context;
import android.os.IBinder;
-import android.os.Parcel;
import android.os.RemoteException;
import android.support.v14.preference.SwitchPreference;
import android.support.v7.preference.PreferenceScreen;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.annotation.Config;
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
import org.robolectric.util.ReflectionHelpers;
@RunWith(SettingsRobolectricTestRunner.class)
verify(mPreference).setEnabled(true);
}
-
-
- @Implements(Parcel.class)
- public static class ShadowParcel {
-
- static int sReadIntResult;
-
- @Implementation
- public int readInt() {
- return sReadIntResult;
- }
- }
}
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