| OLD | NEW |
| (Empty) |
| 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 CONTENT_COMMON_MOJO_MOJO_CHILD_CONNECTION_H_ | |
| 6 #define CONTENT_COMMON_MOJO_MOJO_CHILD_CONNECTION_H_ | |
| 7 | |
| 8 #include <memory> | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/macros.h" | |
| 12 #include "base/memory/ref_counted.h" | |
| 13 #include "base/memory/weak_ptr.h" | |
| 14 #include "base/process/process_handle.h" | |
| 15 #include "base/sequenced_task_runner.h" | |
| 16 #include "content/common/content_export.h" | |
| 17 #include "services/shell/public/cpp/identity.h" | |
| 18 #include "services/shell/public/cpp/interface_provider.h" | |
| 19 #include "services/shell/public/interfaces/connector.mojom.h" | |
| 20 | |
| 21 namespace shell { | |
| 22 class Connection; | |
| 23 class Connector; | |
| 24 } | |
| 25 | |
| 26 namespace content { | |
| 27 | |
| 28 // Helper class to establish a connection between the shell and a single child | |
| 29 // process. Process hosts can use this when launching new processes which | |
| 30 // should be registered with the shell. | |
| 31 class CONTENT_EXPORT MojoChildConnection { | |
| 32 public: | |
| 33 // Prepares a new child connection for a child process which will be | |
| 34 // identified to the shell as |application_name|. |instance_id| must be | |
| 35 // unique among all child connections using the same |application_name|. | |
| 36 // |connector| is the connector to use to establish the connection. | |
| 37 MojoChildConnection(const std::string& application_name, | |
| 38 const std::string& instance_id, | |
| 39 const std::string& child_token, | |
| 40 shell::Connector* connector, | |
| 41 scoped_refptr<base::SequencedTaskRunner> io_task_runner); | |
| 42 ~MojoChildConnection(); | |
| 43 | |
| 44 shell::InterfaceProvider* GetRemoteInterfaces() { | |
| 45 return &remote_interfaces_; | |
| 46 } | |
| 47 | |
| 48 const shell::Identity& child_identity() const { | |
| 49 return child_identity_; | |
| 50 } | |
| 51 | |
| 52 // A token which must be passed to the child process via | |
| 53 // |switches::kPrimordialPipeToken| in order for the child to initialize its | |
| 54 // end of the shell connection pipe. | |
| 55 std::string service_token() const { return service_token_; } | |
| 56 | |
| 57 // Sets the child connection's process handle. This should be called as soon | |
| 58 // as the process has been launched, and the connection will not be fully | |
| 59 // functional until this is called. | |
| 60 void SetProcessHandle(base::ProcessHandle handle); | |
| 61 | |
| 62 private: | |
| 63 class IOThreadContext; | |
| 64 | |
| 65 scoped_refptr<IOThreadContext> context_; | |
| 66 shell::Identity child_identity_; | |
| 67 const std::string service_token_; | |
| 68 | |
| 69 shell::InterfaceProvider remote_interfaces_; | |
| 70 | |
| 71 base::WeakPtrFactory<MojoChildConnection> weak_factory_; | |
| 72 | |
| 73 DISALLOW_COPY_AND_ASSIGN(MojoChildConnection); | |
| 74 }; | |
| 75 | |
| 76 } // namespace content | |
| 77 | |
| 78 #endif // CONTENT_COMMON_MOJO_MOJO_CHILD_CONNECTION_H_ | |
| OLD | NEW |