Changes view manager test to connect via shell

mojo/shell/context.cc

 // 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 "build/build_config.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/shell/application.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/services/view_manager/root_node_manager.h"
+#include "mojo/services/view_manager/view_manager_connection.h"
 #include "mojo/shell/dynamic_service_loader.h"
 #include "mojo/shell/in_process_dynamic_service_runner.h"
 #include "mojo/shell/network_delegate.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)
 
 namespace mojo {
 namespace shell {
+namespace {
+
+// 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> setup = LAZY_INSTANCE_INITIALIZER;
+
+class ViewManagerLoader : public ServiceLoader {
+ public:
+  ViewManagerLoader() {}
+  virtual ~ViewManagerLoader() {}
+
+ private:
+  virtual void LoadService(ServiceManager* manager,
+                           const GURL& url,
+                           ScopedShellHandle shell_handle) OVERRIDE {
+    scoped_ptr<Application> app(new Application(shell_handle.Pass()));
+    app->AddServiceConnector(
+        new ServiceConnector<services::view_manager::ViewManagerConnection,
+                             services::view_manager::RootNodeManager>(
+                                 &root_node_manager_));
+    apps_.push_back(app.release());
+  }
+
+  virtual void OnServiceError(ServiceManager* manager,
+                              const GURL& url) OVERRIDE {
+  }
+
+  services::view_manager::RootNodeManager root_node_manager_;
+  ScopedVector<Application> apps_;
+
+  DISALLOW_COPY_AND_ASSIGN(ViewManagerLoader);
+};
+
+}  // namespace
 
 class Context::NativeViewportServiceLoader : public ServiceLoader {
  public:
   explicit NativeViewportServiceLoader(Context* context) : context_(context) {}
   virtual ~NativeViewportServiceLoader() {}
 
  private:
   virtual void LoadService(ServiceManager* manager,
                            const GURL& url,
                            ScopedShellHandle service_handle) OVERRIDE {
@@ skipping 10 matching lines @@
 };
 
 Context::Context()
     : task_runners_(base::MessageLoop::current()->message_loop_proxy()),
       storage_(),
       loader_(task_runners_.io_runner(),
               task_runners_.file_runner(),
               task_runners_.cache_runner(),
               scoped_ptr<net::NetworkDelegate>(new NetworkDelegate()),
               storage_.profile_path()) {
-  embedder::Init();
-  gles2::GLES2SupportImpl::Init();
-
+  setup.Get();
   CommandLine* cmdline = 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())));
   service_manager_.SetLoaderForURL(
       scoped_ptr<ServiceLoader>(new NativeViewportServiceLoader(this)),
       GURL("mojo:mojo_native_viewport_service"));
+  // TODO(sky): need a better way to find this. It shouldn't be linked in.

[Ben Goodger (Google), 2014/04/28 19:21:09]

this is related to mojo_view_manager being a component instead of a shared
library right? what was the issue that prevented it from being a shared lib
again?

[sky, 2014/04/28 21:16:05]

Things didn't work well when the rest of chrome was built as a static lib. I'll
revisit this separately.

+  service_manager_.SetLoaderForURL(
+      scoped_ptr<ServiceLoader>(new ViewManagerLoader()),
+      GURL("mojo:mojo_view_manager"));
 
 #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() {
   service_manager_.set_default_loader(scoped_ptr<ServiceLoader>());
 }
 
 }  // namespace shell
 }  // namespace mojo