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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3 ` *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 #define LOG_TAG "android.hardware.drm (at) 1.0-impl"
     17 
     18 #include "DrmFactory.h"
     19 #include <log/log.h>
     20 #include "DrmPlugin.h"
     21 #include "LegacyPluginPath.h"
     22 #include "TypeConvert.h"
     23 
     24 namespace android {
     25 namespace hardware {
     26 namespace drm {
     27 namespace V1_0 {
     28 namespace implementation {
     29 
     30     DrmFactory::DrmFactory() :
     31         loader(getDrmPluginPath(), "createDrmFactory") {
     32     }
     33 
     34     // Methods from ::android::hardware::drm::V1_0::IDrmFactory follow.
     35     Return<bool> DrmFactory::isCryptoSchemeSupported (
     36             const hidl_array<uint8_t, 16>& uuid) {
     37         for (size_t i = 0; i < loader.factoryCount(); i++) {
     38             if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) {
     39                 return true;
     40             }
     41         }
     42         return false;
     43     }
     44 
     45     Return<bool> DrmFactory::isContentTypeSupported (
     46             const hidl_string& mimeType) {
     47         for (size_t i = 0; i < loader.factoryCount(); i++) {
     48             if (loader.getFactory(i)->isContentTypeSupported(String8(mimeType.c_str()))) {
     49                 return true;
     50             }
     51         }
     52         return false;
     53     }
     54 
     55     Return<void> DrmFactory::createPlugin(const hidl_array<uint8_t, 16>& uuid,
     56             const hidl_string& /* appPackageName */, createPlugin_cb _hidl_cb) {
     57 
     58         for (size_t i = 0; i < loader.factoryCount(); i++) {
     59             if (loader.getFactory(i)->isCryptoSchemeSupported(uuid.data())) {
     60                 android::DrmPlugin *legacyPlugin = NULL;
     61                 status_t status = loader.getFactory(i)->createDrmPlugin(
     62                         uuid.data(), &legacyPlugin);
     63                 DrmPlugin *newPlugin = NULL;
     64                 if (legacyPlugin == NULL) {
     65                     ALOGE("Drm legacy HAL: failed to create drm plugin");
     66                 } else {
     67                     newPlugin = new DrmPlugin(legacyPlugin);
     68                 }
     69                 _hidl_cb(toStatus(status), newPlugin);
     70                 return Void();
     71             }
     72         }
     73         _hidl_cb(Status::ERROR_DRM_CANNOT_HANDLE, NULL);
     74         return Void();
     75     }
     76 
     77     IDrmFactory* HIDL_FETCH_IDrmFactory(const char* /* name */) {
     78         return new DrmFactory();
     79     }
     80 
     81 }  // namespace implementation
     82 }  // namespace V1_0
     83 }  // namespace drm
     84 }  // namespace hardware
     85 }  // namespace android
     86