1 /*
2  * Copyright (C) 2019 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 
17 #ifndef ANDROID_HARDWARE_CAS_V1_1_CAS_IMPL_H_
18 #define ANDROID_HARDWARE_CAS_V1_1_CAS_IMPL_H_
19 
20 #include <android/hardware/cas/1.1/ICas.h>
21 #include <media/stagefright/foundation/ABase.h>
22 
23 namespace android {
24 struct CasPlugin;
25 
26 namespace hardware {
27 namespace cas {
28 namespace V1_1 {
29 struct ICasListener;
30 namespace implementation {
31 
32 using ::android::hardware::cas::V1_0::HidlCasData;
33 using ::android::hardware::cas::V1_0::HidlCasSessionId;
34 using ::android::hardware::cas::V1_0::Status;
35 
36 class SharedLibrary;
37 
38 class CasImpl : public ICas {
39    public:
40     CasImpl(const sp<ICasListener>& listener);
41     virtual ~CasImpl();
42 
43     static void OnEvent(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size);
44 
45     static void CallBackExt(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size,
46                             const CasSessionId* sessionId);
47 
48     void init(const sp<SharedLibrary>& library, CasPlugin* plugin);
49     void onEvent(int32_t event, int32_t arg, uint8_t* data, size_t size);
50 
51     void onEvent(const CasSessionId* sessionId, int32_t event, int32_t arg, uint8_t* data,
52                  size_t size);
53 
54     // ICas inherits
55 
56     virtual Return<Status> setPrivateData(const HidlCasData& pvtData) override;
57 
58     virtual Return<void> openSession(openSession_cb _hidl_cb) override;
59 
60     virtual Return<Status> closeSession(const HidlCasSessionId& sessionId) override;
61 
62     virtual Return<Status> setSessionPrivateData(const HidlCasSessionId& sessionId,
63                                                  const HidlCasData& pvtData) override;
64 
65     virtual Return<Status> processEcm(const HidlCasSessionId& sessionId,
66                                       const HidlCasData& ecm) override;
67 
68     virtual Return<Status> processEmm(const HidlCasData& emm) override;
69 
70     virtual Return<Status> sendEvent(int32_t event, int32_t arg,
71                                      const HidlCasData& eventData) override;
72 
73     virtual Return<Status> sendSessionEvent(const HidlCasSessionId& sessionId, int32_t event,
74                                             int32_t arg, const HidlCasData& eventData) override;
75 
76     virtual Return<Status> provision(const hidl_string& provisionString) override;
77 
78     virtual Return<Status> refreshEntitlements(int32_t refreshType,
79                                                const HidlCasData& refreshData) override;
80 
81     virtual Return<Status> release() override;
82 
83    private:
84     struct PluginHolder;
85     sp<SharedLibrary> mLibrary;
86     std::shared_ptr<CasPlugin> mPluginHolder;
87     sp<ICasListener> mListener;
88 
89     DISALLOW_EVIL_CONSTRUCTORS(CasImpl);
90 };
91 
92 }  // namespace implementation
93 }  // namespace V1_1
94 }  // namespace cas
95 }  // namespace hardware
96 }  // namespace android
97 
98 #endif  // ANDROID_HARDWARE_CAS_V1_1_CAS_IMPL_H_
99