93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.development.mediadrm;
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import android.content.Context;
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import android.media.MediaDrm;
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import android.sysprop.WidevineProperties;
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import android.util.Log;
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import androidx.preference.Preference;
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import java.util.UUID;
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import com.android.internal.annotations.VisibleForTesting;
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import com.android.settings.R;
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import com.android.settings.core.TogglePreferenceController;
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import com.android.settingslib.development.DevelopmentSettingsEnabler;
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import com.android.settings.media_drm.Flags;
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/**
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* The controller (in the Media Drm settings) enforces software secure crypto.
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*/
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public class ForceSwSecureCryptoFallbackPreferenceController extends TogglePreferenceController {
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private static final String TAG = "ForceSwSecureCryptoFallbackPreferenceController";
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private static final UUID WIDEVINE_UUID =
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new UUID(0xEDEF8BA979D64ACEL, 0xA3C827DCD51D21EDL);
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public ForceSwSecureCryptoFallbackPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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}
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@Override
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public boolean isChecked() {
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return WidevineProperties.forcel3_enabled().orElse(false);
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}
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@Override
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public boolean setChecked(boolean isChecked) {
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WidevineProperties.forcel3_enabled(isChecked);
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return true;
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}
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@Override
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public void updateState(Preference preference) {
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boolean isEnable = false;
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if (Flags.forceL3Enabled()) {
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try (MediaDrm drm = new MediaDrm(WIDEVINE_UUID)) {
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String version = drm.getPropertyString(MediaDrm.PROPERTY_VERSION);
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if (Integer.parseInt(version.split("\\.", 2)[0]) >= 19) {
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isEnable = true;
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}
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} catch (Exception ex) {
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Log.e(TAG, "An exception occurred:", ex);
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}
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}
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preference.setEnabled(isEnable);
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if (!isEnable) {
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// In case of flag rollback, the controller should be unchecked.
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WidevineProperties.forcel3_enabled(false);
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}
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Log.i(TAG, "Force software crypto is " + isEnable);
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super.updateState(preference);
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}
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@Override
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public int getAvailabilityStatus() {
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if (DevelopmentSettingsEnabler.isDevelopmentSettingsEnabled(mContext)) {
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return AVAILABLE;
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} else {
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return CONDITIONALLY_UNAVAILABLE;
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}
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}
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@Override
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public int getSliceHighlightMenuRes() {
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return R.string.menu_key_system;
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}
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} |