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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_CONTEXT_BLIMP_CLIENT_CONTEXT_IMPL_H_ | |
| 6 #define BLIMP_CLIENT_CORE_CONTEXT_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/context/assignment_fetcher.h" | |
| 19 #include "blimp/client/core/session/client_network_components.h" | |
| 20 #include "blimp/client/core/session/connection_status.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/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 Settings; | |
| 41 class TabControlFeature; | |
| 42 | |
| 43 // BlimpClientContextImpl is the implementation of the main context-class for | |
| 44 // the blimp client. | |
| 45 class BlimpClientContextImpl | |
| 46 : public BlimpClientContext, | |
| 47 public BlimpSettingsDelegate, | |
| 48 public BlobImageSerializationProcessor::ErrorDelegate, | |
| 49 public NetworkEventObserver { | |
| 50 public: | |
| 51 // The |io_thread_task_runner| must be the task runner to use for IO | |
| 52 // operations. | |
| 53 // The |file_thread_task_runner| must be the task runner to use for file | |
| 54 // operations. | |
| 55 // |pipe_manager| is an optional override. If it's null, a default pipe | |
| 56 // manager will be created. | |
| 57 BlimpClientContextImpl( | |
| 58 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner, | |
| 59 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner, | |
| 60 std::unique_ptr<CompositorDependencies> compositor_dependencies, | |
| 61 std::unique_ptr<Settings> settings, | |
| 62 std::unique_ptr<PipeManager> pipe_manager); | |
| 63 ~BlimpClientContextImpl() override; | |
| 64 | |
| 65 // BlimpClientContext implementation. | |
| 66 void SetDelegate(BlimpClientContextDelegate* delegate) override; | |
| 67 std::unique_ptr<BlimpContents> CreateBlimpContents( | |
| 68 gfx::NativeWindow window) override; | |
| 69 void Connect() override; | |
| 70 void ConnectWithAssignment(const Assignment& assignment) override; | |
| 71 | |
| 72 // Creates a data object containing data about Blimp to be used for feedback. | |
| 73 std::unordered_map<std::string, std::string> CreateFeedbackData(); | |
| 74 | |
| 75 protected: | |
| 76 // Returns the URL to use for connections to the assigner. Used to construct | |
| 77 // the AssignmentSource. | |
| 78 virtual GURL GetAssignerURL(); | |
| 79 | |
| 80 // BlimpSettingsDelegate implementation. | |
| 81 IdentitySource* GetIdentitySource() override; | |
| 82 ConnectionStatus* GetConnectionStatus() override; | |
| 83 | |
| 84 Settings* settings() { return settings_.get(); } | |
| 85 | |
| 86 private: | |
| 87 // Called when the AssignmentSource is finished getting an Assignment. Will | |
| 88 // then call |ConnectWithAssignment| to initiate the actual connection. | |
| 89 virtual void OnAssignmentReceived(AssignmentRequestResult result, | |
| 90 const Assignment& assignment); | |
| 91 | |
| 92 void RegisterFeatures(); | |
| 93 void InitializeSettings(); | |
| 94 | |
| 95 // Terminates the active connection held by |net_connections_|. | |
| 96 // May be called on any thread. | |
| 97 void DropConnection(); | |
| 98 | |
| 99 // BlobImageSerializationProcessor::ErrorDelegate implementation. | |
| 100 void OnImageDecodeError() override; | |
| 101 | |
| 102 // NetworkEventObserver implementation. | |
| 103 void OnConnected() override; | |
| 104 void OnDisconnected(int result) override; | |
| 105 | |
| 106 // Provides functionality from the embedder. | |
| 107 BlimpClientContextDelegate* delegate_ = nullptr; | |
| 108 | |
| 109 // The task runner to use for IO operations. | |
| 110 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_; | |
| 111 | |
| 112 // The task runner to use for file operations. | |
| 113 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner_; | |
| 114 | |
| 115 // A set of dependencies required by all BlimpCompositor instances. | |
| 116 std::unique_ptr<BlimpCompositorDependencies> blimp_compositor_dependencies_; | |
| 117 | |
| 118 // Through this settings are set and retrieved. This should be initialized | |
| 119 // before settings_feature_. | |
| 120 std::unique_ptr<Settings> settings_; | |
| 121 | |
| 122 // Features to handle all incoming and outgoing protobuf messages. | |
| 123 std::unique_ptr<BlobChannelFeature> blob_channel_feature_; | |
| 124 std::unique_ptr<GeolocationFeature> geolocation_feature_; | |
| 125 std::unique_ptr<ImeFeature> ime_feature_; | |
| 126 std::unique_ptr<NavigationFeature> navigation_feature_; | |
| 127 std::unique_ptr<RenderWidgetFeature> render_widget_feature_; | |
| 128 std::unique_ptr<SettingsFeature> settings_feature_; | |
| 129 std::unique_ptr<TabControlFeature> tab_control_feature_; | |
| 130 | |
| 131 std::unique_ptr<BlimpContentsManager> blimp_contents_manager_; | |
| 132 | |
| 133 // Container struct for network components. | |
| 134 // Must be deleted on the IO thread. | |
| 135 std::unique_ptr<ClientNetworkComponents> net_components_; | |
| 136 | |
| 137 std::unique_ptr<PipeManager> pipe_manager_; | |
| 138 | |
| 139 std::unique_ptr<AssignmentFetcher> assignment_fetcher_; | |
| 140 | |
| 141 // Connection status to the engine. | |
| 142 ConnectionStatus connection_status_; | |
| 143 | |
| 144 base::WeakPtrFactory<BlimpClientContextImpl> weak_factory_; | |
| 145 | |
| 146 DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImpl); | |
| 147 }; | |
| 148 | |
| 149 } // namespace client | |
| 150 } // namespace blimp | |
| 151 | |
| 152 #endif // BLIMP_CLIENT_CORE_CONTEXT_BLIMP_CLIENT_CONTEXT_IMPL_H_ | |
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