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| 1 // Copyright 2015 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 #include "content/common/mojo/static_loader.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "base/memory/ref_counted.h" | |
| 12 #include "base/task_runner.h" | |
| 13 #include "base/thread_task_runner_handle.h" | |
| 14 #include "base/threading/simple_thread.h" | |
| 15 #include "mojo/public/cpp/bindings/interface_request.h" | |
| 16 #include "services/shell/public/cpp/application_runner.h" | |
| 17 #include "services/shell/public/cpp/shell_client.h" | |
| 18 #include "services/shell/public/interfaces/shell_client.mojom.h" | |
| 19 | |
| 20 namespace content { | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 class RunnerThread : public base::SimpleThread { | |
| 25 public: | |
| 26 RunnerThread(const std::string& name, | |
| 27 shell::mojom::ShellClientRequest request, | |
| 28 scoped_refptr<base::TaskRunner> exit_task_runner, | |
| 29 const base::Closure& exit_callback, | |
| 30 const StaticLoader::ApplicationFactory& factory) | |
| 31 : base::SimpleThread("Mojo Application: " + name), | |
| 32 request_(std::move(request)), | |
| 33 exit_task_runner_(exit_task_runner), | |
| 34 exit_callback_(exit_callback), | |
| 35 factory_(factory) {} | |
| 36 | |
| 37 void Run() override { | |
| 38 std::unique_ptr<shell::ApplicationRunner> runner( | |
| 39 new shell::ApplicationRunner(factory_.Run().release())); | |
| 40 runner->Run(request_.PassMessagePipe().release().value(), | |
| 41 false /* init_base */); | |
| 42 exit_task_runner_->PostTask(FROM_HERE, exit_callback_); | |
| 43 } | |
| 44 | |
| 45 private: | |
| 46 shell::mojom::ShellClientRequest request_; | |
| 47 scoped_refptr<base::TaskRunner> exit_task_runner_; | |
| 48 base::Closure exit_callback_; | |
| 49 StaticLoader::ApplicationFactory factory_; | |
| 50 | |
| 51 DISALLOW_COPY_AND_ASSIGN(RunnerThread); | |
| 52 }; | |
| 53 | |
| 54 } // namespace | |
| 55 | |
| 56 StaticLoader::StaticLoader(const ApplicationFactory& factory) | |
| 57 : StaticLoader(factory, base::Closure()) { | |
| 58 } | |
| 59 | |
| 60 StaticLoader::StaticLoader(const ApplicationFactory& factory, | |
| 61 const base::Closure& quit_callback) | |
| 62 : factory_(factory), quit_callback_(quit_callback), weak_factory_(this) { | |
| 63 } | |
| 64 | |
| 65 StaticLoader::~StaticLoader() { | |
| 66 if (thread_) | |
| 67 StopAppThread(); | |
| 68 } | |
| 69 | |
| 70 void StaticLoader::Load(const std::string& name, | |
| 71 shell::mojom::ShellClientRequest request) { | |
| 72 if (thread_) | |
| 73 return; | |
| 74 | |
| 75 // If the application's thread quits on its own before this loader dies, we | |
| 76 // reset the Thread object, allowing future Load requests to be fulfilled | |
| 77 // with a new app instance. | |
| 78 auto exit_callback = base::Bind(&StaticLoader::StopAppThread, | |
| 79 weak_factory_.GetWeakPtr()); | |
| 80 thread_.reset(new RunnerThread(name, std::move(request), | |
| 81 base::ThreadTaskRunnerHandle::Get(), | |
| 82 exit_callback, factory_)); | |
| 83 thread_->Start(); | |
| 84 } | |
| 85 | |
| 86 void StaticLoader::StopAppThread() { | |
| 87 thread_->Join(); | |
| 88 thread_.reset(); | |
| 89 if (!quit_callback_.is_null()) | |
| 90 quit_callback_.Run(); | |
| 91 } | |
| 92 | |
| 93 } // namespace content | |
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Chromium Code Reviews
Issue 1889253002:
Remove uses of shell::Loader from content (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master