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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 BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_ | |
6 #define BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_ | |
7 | |
8 #include <memory> | |
9 #include <string> | |
10 #include <unordered_map> | |
11 | |
12 #include "base/macros.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/memory/weak_ptr.h" | |
15 #include "base/single_thread_task_runner.h" | |
16 #include "base/threading/thread.h" | |
17 #include "blimp/client/core/compositor/blob_image_serialization_processor.h" | |
18 #include "blimp/client/core/session/client_network_components.h" | |
19 #include "blimp/client/core/session/connection_status.h" | |
20 #include "blimp/client/core/session/identity_source.h" | |
21 #include "blimp/client/core/settings/blimp_settings_delegate.h" | |
22 #include "blimp/client/public/blimp_client_context.h" | |
23 #include "blimp/client/public/contents/blimp_contents.h" | |
24 #include "blimp/client/public/session/assignment.h" | |
25 #include "blimp/net/thread_pipe_manager.h" | |
26 #include "url/gurl.h" | |
27 | |
28 namespace blimp { | |
29 namespace client { | |
30 | |
31 class BlimpCompositorDependencies; | |
32 class BlimpContentsManager; | |
33 class BlobChannelFeature; | |
34 class CompositorDependencies; | |
35 class GeolocationFeature; | |
36 class ImeFeature; | |
37 class NavigationFeature; | |
38 class RenderWidgetFeature; | |
39 class SettingsFeature; | |
40 class TabControlFeature; | |
41 | |
42 // BlimpClientContextImpl is the implementation of the main context-class for | |
43 // the blimp client. | |
44 class BlimpClientContextImpl | |
45 : public BlimpClientContext, | |
46 public BlimpSettingsDelegate, | |
47 public BlobImageSerializationProcessor::ErrorDelegate { | |
48 public: | |
49 // The |io_thread_task_runner| must be the task runner to use for IO | |
50 // operations. | |
51 // The |file_thread_task_runner| must be the task runner to use for file | |
52 // operations. | |
53 BlimpClientContextImpl( | |
54 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner, | |
55 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner, | |
56 std::unique_ptr<CompositorDependencies> compositor_dependencies); | |
57 ~BlimpClientContextImpl() override; | |
58 | |
59 // BlimpClientContext implementation. | |
60 void SetDelegate(BlimpClientContextDelegate* delegate) override; | |
61 std::unique_ptr<BlimpContents> CreateBlimpContents( | |
62 gfx::NativeWindow window) override; | |
63 void Connect() override; | |
64 void ConnectWithAssignment(const Assignment& assignment) override; | |
65 | |
66 // Creates a data object containing data about Blimp to be used for feedback. | |
67 std::unordered_map<std::string, std::string> CreateFeedbackData(); | |
68 | |
69 protected: | |
70 // Returns the URL to use for connections to the assigner. Used to construct | |
71 // the AssignmentSource. | |
72 virtual GURL GetAssignerURL(); | |
73 | |
74 // BlimpSettingsDelegate implementation. | |
75 IdentitySource* GetIdentitySource() override; | |
76 ConnectionStatus* GetConnectionStatus() override; | |
77 | |
78 private: | |
79 // Called when an OAuth2 token is received. Will then ask the | |
80 // AssignmentSource for an Assignment with this token. | |
81 virtual void OnAuthTokenReceived(const std::string& client_auth_token); | |
82 | |
83 // Called when the AssignmentSource is finished getting an Assignment. Will | |
84 // then call |ConnectWithAssignment| to initiate the actual connection. | |
85 virtual void OnAssignmentReceived(AssignmentRequestResult result, | |
86 const Assignment& assignment); | |
87 | |
88 void RegisterFeatures(); | |
89 void InitializeSettings(); | |
90 | |
91 // Terminates the active connection held by |net_connections_|. | |
92 // May be called on any thread. | |
93 void DropConnection(); | |
94 | |
95 // Create IdentitySource which provides user sign in states and OAuth2 token | |
96 // service. | |
97 void CreateIdentitySource(); | |
98 | |
99 // BlobImageSerializationProcessor::ErrorDelegate implementation. | |
100 void OnImageDecodeError() override; | |
101 | |
102 // Provides functionality from the embedder. | |
103 BlimpClientContextDelegate* delegate_ = nullptr; | |
104 | |
105 // The task runner to use for IO operations. | |
106 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_; | |
107 | |
108 // The task runner to use for file operations. | |
109 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner_; | |
110 | |
111 // The AssignmentSource is used when the user of BlimpClientContextImpl calls | |
112 // Connect() to get a valid assignment and later connect to the engine. | |
113 std::unique_ptr<AssignmentSource> assignment_source_; | |
114 | |
115 // A set of dependencies required by all BlimpCompositor instances. | |
116 std::unique_ptr<BlimpCompositorDependencies> blimp_compositor_dependencies_; | |
117 | |
118 // Features to handle all incoming and outgoing protobuf messages. | |
119 std::unique_ptr<BlobChannelFeature> blob_channel_feature_; | |
120 std::unique_ptr<GeolocationFeature> geolocation_feature_; | |
121 std::unique_ptr<ImeFeature> ime_feature_; | |
122 std::unique_ptr<NavigationFeature> navigation_feature_; | |
123 std::unique_ptr<RenderWidgetFeature> render_widget_feature_; | |
124 std::unique_ptr<SettingsFeature> settings_feature_; | |
125 std::unique_ptr<TabControlFeature> tab_control_feature_; | |
126 | |
127 std::unique_ptr<BlimpContentsManager> blimp_contents_manager_; | |
128 | |
129 // Container struct for network components. | |
130 // Must be deleted on the IO thread. | |
131 std::unique_ptr<ClientNetworkComponents> net_components_; | |
132 | |
133 std::unique_ptr<ThreadPipeManager> thread_pipe_manager_; | |
134 | |
135 // Provide OAuth2 token and propagate account sign in states change. | |
136 std::unique_ptr<IdentitySource> identity_source_; | |
137 | |
138 // Connection status to the engine. | |
139 ConnectionStatus connection_status_; | |
140 | |
141 base::WeakPtrFactory<BlimpClientContextImpl> weak_factory_; | |
142 | |
143 DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImpl); | |
144 }; | |
145 | |
146 } // namespace client | |
147 } // namespace blimp | |
148 | |
149 #endif // BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_ | |
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