1 | /* |
2 | * Copyright (C) 2018 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #if ENABLE(ENCRYPTED_MEDIA) |
29 | |
30 | #include "CDMKeyStatus.h" |
31 | #include "CDMMessageType.h" |
32 | #include "CDMSessionType.h" |
33 | #include <wtf/CompletionHandler.h> |
34 | #include <wtf/RefCounted.h> |
35 | #include <wtf/Vector.h> |
36 | #include <wtf/WeakPtr.h> |
37 | |
38 | namespace WebCore { |
39 | |
40 | class SharedBuffer; |
41 | |
42 | class CDMInstanceSessionClient { |
43 | public: |
44 | virtual ~CDMInstanceSessionClient() = default; |
45 | |
46 | using KeyStatus = CDMKeyStatus; |
47 | using KeyStatusVector = Vector<std::pair<Ref<SharedBuffer>, KeyStatus>>; |
48 | virtual void updateKeyStatuses(KeyStatusVector&&) = 0; |
49 | virtual void sendMessage(CDMMessageType, Ref<SharedBuffer>&& message) = 0; |
50 | virtual void sessionIdChanged(const String&) = 0; |
51 | }; |
52 | |
53 | class CDMInstanceSession : public RefCounted<CDMInstanceSession> { |
54 | public: |
55 | virtual ~CDMInstanceSession() = default; |
56 | |
57 | using KeyStatus = CDMKeyStatus; |
58 | using LicenseType = CDMSessionType; |
59 | using MessageType = CDMMessageType; |
60 | |
61 | virtual void setClient(WeakPtr<CDMInstanceSessionClient>&&) { } |
62 | virtual void clearClient() { } |
63 | |
64 | enum SuccessValue { |
65 | Failed, |
66 | Succeeded, |
67 | }; |
68 | |
69 | using LicenseCallback = CompletionHandler<void(Ref<SharedBuffer>&& message, const String& sessionId, bool needsIndividualization, SuccessValue succeeded)>; |
70 | virtual void requestLicense(LicenseType, const AtomicString& initDataType, Ref<SharedBuffer>&& initData, LicenseCallback&&) = 0; |
71 | |
72 | using KeyStatusVector = CDMInstanceSessionClient::KeyStatusVector; |
73 | using Message = std::pair<MessageType, Ref<SharedBuffer>>; |
74 | using LicenseUpdateCallback = CompletionHandler<void(bool sessionWasClosed, Optional<KeyStatusVector>&& changedKeys, Optional<double>&& changedExpiration, Optional<Message>&& message, SuccessValue succeeded)>; |
75 | virtual void updateLicense(const String& sessionId, LicenseType, const SharedBuffer& response, LicenseUpdateCallback&&) = 0; |
76 | |
77 | enum class SessionLoadFailure { |
78 | None, |
79 | NoSessionData, |
80 | MismatchedSessionType, |
81 | QuotaExceeded, |
82 | Other, |
83 | }; |
84 | |
85 | using LoadSessionCallback = CompletionHandler<void(Optional<KeyStatusVector>&&, Optional<double>&&, Optional<Message>&&, SuccessValue, SessionLoadFailure)>; |
86 | virtual void loadSession(LicenseType, const String& sessionId, const String& origin, LoadSessionCallback&&) = 0; |
87 | |
88 | using CloseSessionCallback = CompletionHandler<void()>; |
89 | virtual void closeSession(const String& sessionId, CloseSessionCallback&&) = 0; |
90 | |
91 | using RemoveSessionDataCallback = CompletionHandler<void(KeyStatusVector&&, Optional<Ref<SharedBuffer>>&&, SuccessValue)>; |
92 | virtual void removeSessionData(const String& sessionId, LicenseType, RemoveSessionDataCallback&&) = 0; |
93 | |
94 | virtual void storeRecordOfKeyUsage(const String& sessionId) = 0; |
95 | }; |
96 | |
97 | } // namespace WebCore |
98 | |
99 | #define SPECIALIZE_TYPE_TRAITS_CDM_INSTANCE(ToValueTypeName, ImplementationTypeName) \ |
100 | SPECIALIZE_TYPE_TRAITS_BEGIN(ToValueTypeName) \ |
101 | static bool isType(const WebCore::CDMInstance& instance) { return instance.implementationType() == ImplementationTypeName; } \ |
102 | SPECIALIZE_TYPE_TRAITS_END() |
103 | |
104 | #endif |
105 | |