1 files changed, 141 insertions, 0 deletions
diff --git a/chromium/mojo/shell/context.cc b/chromium/mojo/shell/context.cc
new file mode 100644
index 00000000000..b47967e59c7
--- /dev/null
+++ b/chromium/mojo/shell/context.cc
@@ -0,0 +1,141 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "mojo/shell/context.h"
+
+#include "build/build_config.h"
+#include "base/command_line.h"
+#include "base/lazy_instance.h"
+#include "base/memory/scoped_vector.h"
+#include "mojo/embedder/embedder.h"
+#include "mojo/gles2/gles2_support_impl.h"
+#include "mojo/public/cpp/application/application.h"
+#include "mojo/service_manager/background_service_loader.h"
+#include "mojo/service_manager/service_loader.h"
+#include "mojo/service_manager/service_manager.h"
+#include "mojo/services/native_viewport/native_viewport_service.h"
+#include "mojo/shell/dynamic_service_loader.h"
+#include "mojo/shell/in_process_dynamic_service_runner.h"
+#include "mojo/shell/out_of_process_dynamic_service_runner.h"
+#include "mojo/shell/switches.h"
+#include "mojo/spy/spy.h"
+
+#if defined(OS_LINUX)
+#include "mojo/shell/dbus_service_loader_linux.h"
+#endif  // defined(OS_LINUX)
+
+#if defined(USE_AURA)
+#include "mojo/shell/view_manager_loader.h"
+#endif
+
+namespace mojo {
+namespace shell {
+namespace {
+
+// These mojo: URLs are loaded directly from the local filesystem. They
+// correspond to shared libraries bundled alongside the mojo_shell.
+const char* kLocalMojoURLs[] = {
+  "mojo:mojo_network_service",
+};
+
+// Used to ensure we only init once.
+class Setup {
+ public:
+  Setup() {
+    embedder::Init();
+    gles2::GLES2SupportImpl::Init();
+  }
+
+  ~Setup() {
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Setup);
+};
+
+static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER;
+
+}  // namespace
+
+class Context::NativeViewportServiceLoader : public ServiceLoader {
+ public:
+  explicit NativeViewportServiceLoader(Context* context) : context_(context) {}
+  virtual ~NativeViewportServiceLoader() {}
+
+ private:
+  virtual void LoadService(ServiceManager* manager,
+                           const GURL& url,
+                           ScopedMessagePipeHandle service_handle) OVERRIDE {
+    app_.reset(::CreateNativeViewportService(context_, service_handle.Pass()));
+  }
+
+  virtual void OnServiceError(ServiceManager* manager,
+                              const GURL& url) OVERRIDE {
+  }
+
+  Context* context_;
+  scoped_ptr<Application> app_;
+  DISALLOW_COPY_AND_ASSIGN(NativeViewportServiceLoader);
+};
+
+Context::Context()
+    : task_runners_(base::MessageLoop::current()->message_loop_proxy()) {
+  setup.Get();
+
+  for (size_t i = 0; i < arraysize(kLocalMojoURLs); ++i)
+    mojo_url_resolver_.AddLocalFileMapping(GURL(kLocalMojoURLs[i]));
+
+  base::CommandLine* cmdline = base::CommandLine::ForCurrentProcess();
+  scoped_ptr<DynamicServiceRunnerFactory> runner_factory;
+  if (cmdline->HasSwitch(switches::kEnableMultiprocess))
+    runner_factory.reset(new OutOfProcessDynamicServiceRunnerFactory());
+  else
+    runner_factory.reset(new InProcessDynamicServiceRunnerFactory());
+
+  service_manager_.set_default_loader(
+      scoped_ptr<ServiceLoader>(
+          new DynamicServiceLoader(this, runner_factory.Pass())));
+  // The native viewport service synchronously waits for certain messages. If we
+  // don't run it on its own thread we can easily deadlock. Long term native
+  // viewport should run its own process so that this isn't an issue.
+  service_manager_.SetLoaderForURL(
+      scoped_ptr<ServiceLoader>(
+          new BackgroundServiceLoader(
+              scoped_ptr<ServiceLoader>(new NativeViewportServiceLoader(this)),
+              "native_viewport",
+              base::MessageLoop::TYPE_UI)),
+      GURL("mojo:mojo_native_viewport_service"));
+#if defined(USE_AURA)
+  // TODO(sky): need a better way to find this. It shouldn't be linked in.
+  service_manager_.SetLoaderForURL(
+      scoped_ptr<ServiceLoader>(new ViewManagerLoader()),
+      GURL("mojo:mojo_view_manager"));
+#endif
+
+#if defined(OS_LINUX)
+  service_manager_.SetLoaderForScheme(
+      scoped_ptr<ServiceLoader>(new DBusServiceLoader(this)),
+      "dbus");
+#endif  // defined(OS_LINUX)
+
+  if (cmdline->HasSwitch(switches::kSpy)) {
+    spy_.reset(new mojo::Spy(&service_manager_,
+                             cmdline->GetSwitchValueASCII(switches::kSpy)));
+  }
+}
+
+Context::~Context() {
+  // mojo_view_manager uses native_viewport. Destroy mojo_view_manager first so
+  // that there aren't shutdown ordering issues. Once native viewport service is
+  // moved into its own process this can likely be nuked.
+#if defined(USE_AURA)
+  service_manager_.SetLoaderForURL(
+      scoped_ptr<ServiceLoader>(),
+      GURL("mojo:mojo_view_manager"));
+#endif
+  service_manager_.set_default_loader(scoped_ptr<ServiceLoader>());
+}
+
+}  // namespace shell
+}  // namespace mojo