1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H
17 #define OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H
18 
19 #include <stdint.h>
20 #include <map>
21 #include <vector>
22 #include <hdf_base.h>
23 #include <hdi_base.h>
24 #include "drm/v1_0/media_key_system_types.h"
25 
26 #ifndef HDI_BUFF_MAX_SIZE
27 #define HDI_BUFF_MAX_SIZE (1024 * 200)
28 #endif
29 
30 #ifndef HDI_CHECK_VALUE_RETURN
31 #define HDI_CHECK_VALUE_RETURN(lv, compare, rv, ret) do { \
32     if ((lv) compare (rv)) { \
33         return ret; \
34     } \
35 } while (false)
36 #endif
37 
38 #ifndef HDI_CHECK_VALUE_RET_GOTO
39 #define HDI_CHECK_VALUE_RET_GOTO(lv, compare, rv, ret, value, table) do { \
40     if ((lv) compare (rv)) { \
41         ret = value; \
42         goto table; \
43     } \
44 } while (false)
45 #endif
46 
47 namespace OHOS {
48 namespace HDI {
49 namespace Drm {
50 namespace V1_0 {
51 using namespace OHOS;
52 using namespace OHOS::HDI;
53 
54 enum {
55     CMD_MEDIA_KEY_SESSION_CALLBACK_GET_VERSION = 0,
56     CMD_MEDIA_KEY_SESSION_CALLBACK_SEND_EVENT = 1,
57     CMD_MEDIA_KEY_SESSION_CALLBACK_SEND_EVENT_KEY_CHANGE = 2,
58 };
59 
60 class IMediaKeySessionCallback : public HdiBase {
61 public:
62     DECLARE_HDI_DESCRIPTOR(u"ohos.hdi.drm.v1_0.IMediaKeySessionCallback");
63 
64     virtual ~IMediaKeySessionCallback() = default;
65 
66     virtual int32_t SendEvent(OHOS::HDI::Drm::V1_0::EventType eventType, int32_t extra,
67          const std::vector<uint8_t>& data) = 0;
68 
69     virtual int32_t SendEventKeyChange(const std::map<std::vector<uint8_t>,
70          OHOS::HDI::Drm::V1_0::MediaKeySessionKeyStatus>& keyStatus, bool newKeysAvailable) = 0;
71 
GetVersion(uint32_t & majorVer,uint32_t & minorVer)72     virtual int32_t GetVersion(uint32_t& majorVer, uint32_t& minorVer)
73     {
74         majorVer = 1;
75         minorVer = 0;
76         return HDF_SUCCESS;
77     }
78 
IsProxy()79     virtual bool IsProxy()
80     {
81         return false;
82     }
83 
GetDesc()84     virtual const std::u16string GetDesc()
85     {
86         return metaDescriptor_;
87     }
88 };
89 } // V1_0
90 } // Drm
91 } // HDI
92 } // OHOS
93 
94 #endif // OHOS_HDI_DRM_V1_0_IMEDIAKEYSESSIONCALLBACK_H