/* * 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.window.flags.Flags.predictiveBackSystemAnims; import android.content.Context; import android.provider.Settings; import androidx.annotation.Nullable; import androidx.preference.Preference; import androidx.preference.TwoStatePreference; import com.android.internal.annotations.VisibleForTesting; import com.android.settings.core.PreferenceControllerMixin; import com.android.settingslib.development.DeveloperOptionsPreferenceController; /** * PreferenceController for enabling/disabling animation related to back button and back gestures. */ public class BackAnimationPreferenceController extends DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { private static final String BACK_NAVIGATION_ANIMATION_KEY = "back_navigation_animation"; private static final int SETTING_VALUE_OFF = 0; private static final int SETTING_VALUE_ON = 1; @Nullable private final DevelopmentSettingsDashboardFragment mFragment; @VisibleForTesting BackAnimationPreferenceController(Context context) { super(context); mFragment = null; } public BackAnimationPreferenceController(Context context, @Nullable DevelopmentSettingsDashboardFragment fragment) { super(context); mFragment = fragment; } @Override public boolean isAvailable() { return !predictiveBackSystemAnims(); } @Override public String getPreferenceKey() { return BACK_NAVIGATION_ANIMATION_KEY; } @Override public boolean onPreferenceChange(Preference preference, Object newValue) { final boolean isEnabled = (Boolean) newValue; Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.ENABLE_BACK_ANIMATION, isEnabled ? SETTING_VALUE_ON : SETTING_VALUE_OFF); if (mFragment != null && isEnabled) { BackAnimationPreferenceDialog.show(mFragment); } return true; } @Override public void updateState(Preference preference) { final int mode = Settings.Global.getInt(mContext.getContentResolver(), Settings.Global.ENABLE_BACK_ANIMATION, SETTING_VALUE_OFF); ((TwoStatePreference) mPreference).setChecked(mode != SETTING_VALUE_OFF); } @Override protected void onDeveloperOptionsSwitchDisabled() { super.onDeveloperOptionsSwitchDisabled(); Settings.Global.putInt(mContext.getContentResolver(), Settings.Global.ENABLE_BACK_ANIMATION, SETTING_VALUE_OFF); ((TwoStatePreference) mPreference).setChecked(false); } }