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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef DispatcherBase_h | |
6 #define DispatcherBase_h | |
7 | |
8 #include "platform/inspector_protocol/BackendCallback.h" | |
9 #include "platform/inspector_protocol/Collections.h" | |
10 #include "platform/inspector_protocol/ErrorSupport.h" | |
11 #include "platform/inspector_protocol/Platform.h" | |
12 #include "platform/inspector_protocol/String16.h" | |
13 #include "platform/inspector_protocol/Values.h" | |
14 | |
15 namespace blink { | |
16 namespace protocol { | |
17 | |
18 class FrontendChannel; | |
19 class WeakPtr; | |
20 | |
21 class PLATFORM_EXPORT DispatcherBase { | |
22 PROTOCOL_DISALLOW_COPY(DispatcherBase); | |
23 public: | |
24 static const char kInvalidRequest[]; | |
25 class PLATFORM_EXPORT WeakPtr { | |
26 public: | |
27 explicit WeakPtr(DispatcherBase*); | |
28 ~WeakPtr(); | |
29 DispatcherBase* get() { return m_dispatcher; } | |
30 void dispose() { m_dispatcher = nullptr; } | |
31 | |
32 private: | |
33 DispatcherBase* m_dispatcher; | |
34 }; | |
35 | |
36 class PLATFORM_EXPORT Callback : public protocol::BackendCallback { | |
37 public: | |
38 Callback(std::unique_ptr<WeakPtr> backendImpl, int callId); | |
39 virtual ~Callback(); | |
40 void dispose(); | |
41 | |
42 protected: | |
43 void sendIfActive(std::unique_ptr<protocol::DictionaryValue> partialMess
age, const ErrorString& invocationError); | |
44 | |
45 private: | |
46 std::unique_ptr<WeakPtr> m_backendImpl; | |
47 int m_callId; | |
48 }; | |
49 | |
50 explicit DispatcherBase(FrontendChannel*); | |
51 virtual ~DispatcherBase(); | |
52 | |
53 enum CommonErrorCode { | |
54 ParseError = -32700, | |
55 InvalidRequest = -32600, | |
56 MethodNotFound = -32601, | |
57 InvalidParams = -32602, | |
58 InternalError = -32603, | |
59 ServerError = -32000, | |
60 }; | |
61 | |
62 static bool getCommandName(const String16& message, String16* result); | |
63 | |
64 virtual void dispatch(int callId, const String16& method, std::unique_ptr<pr
otocol::DictionaryValue> messageObject) = 0; | |
65 | |
66 void sendResponse(int callId, const ErrorString&, ErrorSupport*, std::unique
_ptr<protocol::DictionaryValue> result); | |
67 void sendResponse(int callId, const ErrorString&, std::unique_ptr<protocol::
DictionaryValue> result); | |
68 void sendResponse(int callId, const ErrorString&); | |
69 | |
70 void reportProtocolError(int callId, CommonErrorCode, const String16& errorM
essage, ErrorSupport* errors); | |
71 void clearFrontend(); | |
72 | |
73 std::unique_ptr<WeakPtr> weakPtr(); | |
74 | |
75 private: | |
76 FrontendChannel* m_frontendChannel; | |
77 protocol::HashSet<WeakPtr*> m_weakPtrs; | |
78 }; | |
79 | |
80 class PLATFORM_EXPORT UberDispatcher { | |
81 PROTOCOL_DISALLOW_COPY(UberDispatcher); | |
82 public: | |
83 explicit UberDispatcher(FrontendChannel*); | |
84 void registerBackend(const String16& name, std::unique_ptr<protocol::Dispatc
herBase>); | |
85 void dispatch(const String16& message); | |
86 FrontendChannel* channel() { return m_frontendChannel; } | |
87 virtual ~UberDispatcher(); | |
88 | |
89 private: | |
90 FrontendChannel* m_frontendChannel; | |
91 protocol::HashMap<String16, std::unique_ptr<protocol::DispatcherBase>> m_dis
patchers; | |
92 }; | |
93 | |
94 } // namespace platform | |
95 } // namespace blink | |
96 | |
97 #endif // !defined(DispatcherBase_h) | |
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