--- /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.RemoteException;
+import android.os.ServiceManager;
+import android.support.annotation.VisibleForTesting;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.IWindowManager;
+
+import com.android.settings.R;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.development.DeveloperOptionsPreferenceController;
+
+public class AnimatorDurationScalePreferenceController extends
+ DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
+ PreferenceControllerMixin {
+
+ private static final String ANIMATOR_DURATION_SCALE_KEY = "animator_duration_scale";
+
+ @VisibleForTesting
+ static final int ANIMATOR_DURATION_SCALE_SELECTOR = 2;
+ @VisibleForTesting
+ static final float DEFAULT_VALUE = 1;
+
+ private final IWindowManager mWindowManager;
+ private final String[] mListValues;
+ private final String[] mListSummaries;
+
+ private ListPreference mPreference;
+
+ public AnimatorDurationScalePreferenceController(Context context) {
+ super(context);
+
+ mWindowManager = IWindowManager.Stub.asInterface(
+ ServiceManager.getService(Context.WINDOW_SERVICE));
+ mListValues = context.getResources().getStringArray(R.array.animator_duration_scale_values);
+ mListSummaries = context.getResources().getStringArray(
+ R.array.animator_duration_scale_entries);
+ }
+
+ @Override
+ public String getPreferenceKey() {
+ return ANIMATOR_DURATION_SCALE_KEY;
+ }
+
+ @Override
+ public void displayPreference(PreferenceScreen screen) {
+ super.displayPreference(screen);
+
+ mPreference = (ListPreference) screen.findPreference(getPreferenceKey());
+ }
+
+ @Override
+ public boolean onPreferenceChange(Preference preference, Object newValue) {
+ writeAnimationScaleOption(newValue);
+ return true;
+ }
+
+ @Override
+ public void updateState(Preference preference) {
+ updateAnimationScaleValue();
+ }
+
+ @Override
+ protected void onDeveloperOptionsSwitchEnabled() {
+ mPreference.setEnabled(true);
+ }
+
+ @Override
+ protected void onDeveloperOptionsSwitchDisabled() {
+ writeAnimationScaleOption(null);
+ mPreference.setEnabled(false);
+ }
+
+ private void writeAnimationScaleOption(Object newValue) {
+ try {
+ float scale = newValue != null ? Float.parseFloat(newValue.toString()) : DEFAULT_VALUE;
+ mWindowManager.setAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR, scale);
+ updateAnimationScaleValue();
+ } catch (RemoteException e) {
+ // intentional no-op
+ }
+ }
+
+ private void updateAnimationScaleValue() {
+ try {
+ final float scale = mWindowManager.getAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR);
+ int index = 0; // default
+ for (int i = 0; i < mListValues.length; i++) {
+ float val = Float.parseFloat(mListValues[i]);
+ if (scale <= val) {
+ index = i;
+ break;
+ }
+ }
+ mPreference.setValue(mListValues[index]);
+ mPreference.setSummary(mListSummaries[index]);
+ } catch (RemoteException e) {
+ // intentional no-op
+ }
+ }
+}
--- /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.AnimatorDurationScalePreferenceController
+ .ANIMATOR_DURATION_SCALE_SELECTOR;
+import static com.android.settings.development.AnimatorDurationScalePreferenceController
+ .DEFAULT_VALUE;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.RemoteException;
+import android.support.v7.preference.ListPreference;
+import android.support.v7.preference.PreferenceScreen;
+import android.view.IWindowManager;
+
+import com.android.settings.R;
+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.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+import org.robolectric.util.ReflectionHelpers;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class AnimatorDurationScalePreferenceControllerTest {
+
+ @Mock
+ private ListPreference mPreference;
+ @Mock
+ private PreferenceScreen mScreen;
+ @Mock
+ private IWindowManager mWindowManager;
+
+ /**
+ * 0: Animation off
+ * 1: Animation scale .5x
+ * 2: Animation scale 1x
+ * 3: Animation scale 1.5x
+ * 4: Animation scale 2x
+ * 5: Animation scale 5x
+ * 6: Animation scale 10x
+ */
+ private String[] mListValues;
+ private String[] mListSummaries;
+ private Context mContext;
+ private AnimatorDurationScalePreferenceController mController;
+
+ @Before
+ public void setup() {
+ MockitoAnnotations.initMocks(this);
+ mContext = RuntimeEnvironment.application;
+ mListValues = mContext.getResources().getStringArray(
+ R.array.animator_duration_scale_values);
+ mListSummaries = mContext.getResources().getStringArray(
+ R.array.animator_duration_scale_entries);
+ mController = new AnimatorDurationScalePreferenceController(mContext);
+ ReflectionHelpers.setField(mController, "mWindowManager", mWindowManager);
+ when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
+ mController.displayPreference(mScreen);
+ }
+
+ @Test
+ public void onPreferenceChange_noValueSet_shouldSetDefault() throws RemoteException {
+ mController.onPreferenceChange(mPreference, null /* new value */);
+
+ verify(mWindowManager).setAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR, DEFAULT_VALUE);
+ }
+
+ @Test
+ public void onPreferenceChange_option5Selected_shouldSetOption5() throws RemoteException {
+ mController.onPreferenceChange(mPreference, mListValues[5]);
+
+ verify(mWindowManager).setAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR,
+ Float.valueOf(mListValues[5]));
+ }
+
+ @Test
+ public void updateState_option5Set_shouldUpdatePreferenceToOption5() throws RemoteException {
+ when(mWindowManager.getAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR)).thenReturn(
+ Float.valueOf(mListValues[5]));
+
+ mController.updateState(mPreference);
+
+ verify(mPreference).setValue(mListValues[5]);
+ verify(mPreference).setSummary(mListSummaries[5]);
+ }
+
+ @Test
+ public void updateState_option3Set_shouldUpdatePreferenceToOption3() throws RemoteException {
+ when(mWindowManager.getAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR)).thenReturn(
+ Float.valueOf(mListValues[3]));
+
+ mController.updateState(mPreference);
+
+ verify(mPreference).setValue(mListValues[3]);
+ verify(mPreference).setSummary(mListSummaries[3]);
+ }
+
+ @Test
+ public void onDeveloperOptionsSwitchDisabled_shouldDisablePreference() throws RemoteException {
+ mController.onDeveloperOptionsSwitchDisabled();
+
+ verify(mWindowManager).setAnimationScale(ANIMATOR_DURATION_SCALE_SELECTOR, DEFAULT_VALUE);
+ verify(mPreference).setEnabled(false);
+ }
+
+ @Test
+ public void onDeveloperOptionsSwitchEnabled_shouldEnablePreference() throws RemoteException {
+ mController.onDeveloperOptionsSwitchEnabled();
+
+ verify(mPreference).setEnabled(true);
+ }
+}
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