1 /*
2  * Copyright (C) 2017 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_0_CAS_IMPL_H_
18 #define ANDROID_HARDWARE_CAS_V1_0_CAS_IMPL_H_
19 
20 #include <media/stagefright/foundation/ABase.h>
21 #include <android/hardware/cas/1.0/ICas.h>
22 
23 namespace android {
24 struct CasPlugin;
25 
26 namespace hardware {
27 namespace cas {
28 namespace V1_0 {
29 struct ICasListener;
30 namespace implementation {
31 
32 class SharedLibrary;
33 
34 class CasImpl : public ICas {
35 public:
36     CasImpl(const sp<ICasListener> &listener);
37     virtual ~CasImpl();
38 
39     static void OnEvent(
40             void *appData,
41             int32_t event,
42             int32_t arg,
43             uint8_t *data,
44             size_t size);
45 
46     void init(const sp<SharedLibrary>& library, CasPlugin *plugin);
47     void onEvent(
48             int32_t event,
49             int32_t arg,
50             uint8_t *data,
51             size_t size);
52 
53     // ICas inherits
54 
55     virtual Return<Status> setPrivateData(
56             const HidlCasData& pvtData) override;
57 
58     virtual Return<void> openSession(
59             openSession_cb _hidl_cb) override;
60 
61     virtual Return<Status> closeSession(
62             const HidlCasSessionId& sessionId) override;
63 
64     virtual Return<Status> setSessionPrivateData(
65             const HidlCasSessionId& sessionId,
66             const HidlCasData& pvtData) override;
67 
68     virtual Return<Status> processEcm(
69             const HidlCasSessionId& sessionId,
70             const HidlCasData& ecm) override;
71 
72     virtual Return<Status> processEmm(
73             const HidlCasData& emm) override;
74 
75     virtual Return<Status> sendEvent(
76             int32_t event, int32_t arg,
77             const HidlCasData& eventData) override;
78 
79     virtual Return<Status> provision(
80             const hidl_string& provisionString) override;
81 
82     virtual Return<Status> refreshEntitlements(
83             int32_t refreshType,
84             const HidlCasData& refreshData) override;
85 
86     virtual Return<Status> release() override;
87 
88 private:
89     struct PluginHolder;
90     sp<SharedLibrary> mLibrary;
91     std::shared_ptr<CasPlugin> mPluginHolder;
92     sp<ICasListener> mListener;
93 
94     DISALLOW_EVIL_CONSTRUCTORS(CasImpl);
95 };
96 
97 } // namespace implementation
98 } // namespace V1_0
99 } // namespace cas
100 } // namespace hardware
101 } // namespace android
102 
103 #endif // ANDROID_HARDWARE_CAS_V1_0_CAS_IMPL_H_
104