Move mojo/runner to mojo/shell/standalone

mojo/runner/context.cc

Index: mojo/runner/context.cc
diff --git a/mojo/runner/context.cc b/mojo/runner/context.cc
deleted file mode 100644
index c7b8c9a80fdbee107e12ec5b4a9b1ca288ffa39c..0000000000000000000000000000000000000000
--- a/mojo/runner/context.cc
+++ /dev/null
@@ -1,356 +0,0 @@
-// 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/runner/context.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <utility>
-#include <vector>
-
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/files/file_path.h"
-#include "base/i18n/icu_util.h"
-#include "base/lazy_instance.h"
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/path_service.h"
-#include "base/process/process_info.h"
-#include "base/run_loop.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_split.h"
-#include "base/strings/string_util.h"
-#include "base/trace_event/trace_event.h"
-#include "build/build_config.h"
-#include "components/devtools_service/public/cpp/switches.h"
-#include "components/devtools_service/public/interfaces/devtools_service.mojom.h"
-#include "components/tracing/tracing_switches.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "mojo/runner/register_local_aliases.h"
-#include "mojo/runner/switches.h"
-#include "mojo/runner/tracer.h"
-#include "mojo/services/tracing/public/cpp/switches.h"
-#include "mojo/services/tracing/public/cpp/trace_provider_impl.h"
-#include "mojo/services/tracing/public/cpp/tracing_impl.h"
-#include "mojo/services/tracing/public/interfaces/tracing.mojom.h"
-#include "mojo/shell/application_loader.h"
-#include "mojo/shell/connect_to_application_params.h"
-#include "mojo/shell/package_manager/package_manager_impl.h"
-#include "mojo/shell/public/cpp/application_connection.h"
-#include "mojo/shell/public/cpp/application_delegate.h"
-#include "mojo/shell/public/cpp/application_impl.h"
-#include "mojo/shell/query_util.h"
-#include "mojo/shell/runner/host/in_process_native_runner.h"
-#include "mojo/shell/runner/host/out_of_process_native_runner.h"
-#include "mojo/shell/switches.h"
-#include "mojo/util/filename_util.h"
-#include "third_party/mojo/src/mojo/edk/embedder/embedder.h"
-#include "url/gurl.h"
-
-namespace mojo {
-namespace runner {
-namespace {
-
-// Used to ensure we only init once.
-class Setup {
- public:
-  Setup() {
-    embedder::PreInitializeParentProcess();
-    embedder::Init();
-  }
-
-  ~Setup() {}
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(Setup);
-};
-
-void InitContentHandlers(shell::PackageManagerImpl* manager,
-                         const base::CommandLine& command_line) {
-  // Default content handlers.
-  manager->RegisterContentHandler("application/javascript",
-                                  GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("application/pdf", GURL("mojo:pdf_viewer"));
-  manager->RegisterContentHandler("image/gif", GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("image/jpeg", GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("image/png", GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("text/css", GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("text/html", GURL("mojo:html_viewer"));
-  manager->RegisterContentHandler("text/plain", GURL("mojo:html_viewer"));
-
-  // Command-line-specified content handlers.
-  std::string handlers_spec =
-      command_line.GetSwitchValueASCII(switches::kContentHandlers);
-  if (handlers_spec.empty())
-    return;
-
-#if defined(OS_ANDROID)
-  // TODO(eseidel): On Android we pass command line arguments is via the
-  // 'parameters' key on the intent, which we specify during 'am shell start'
-  // via --esa, however that expects comma-separated values and says:
-  //   am shell --help:
-  //     [--esa <EXTRA_KEY> <EXTRA_STRING_VALUE>[,<EXTRA_STRING_VALUE...]]
-  //     (to embed a comma into a string escape it using "\,")
-  // Whatever takes 'parameters' and constructs a CommandLine is failing to
-  // un-escape the commas, we need to move this fix to that file.
-  base::ReplaceSubstringsAfterOffset(&handlers_spec, 0, "\\,", ",");
-#endif
-
-  std::vector<std::string> parts = base::SplitString(
-      handlers_spec, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
-  if (parts.size() % 2 != 0) {
-    LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers
-               << ": must be a comma-separated list of mimetype/url pairs."
-               << handlers_spec;
-    return;
-  }
-
-  for (size_t i = 0; i < parts.size(); i += 2) {
-    GURL url(parts[i + 1]);
-    if (!url.is_valid()) {
-      LOG(ERROR) << "Invalid value for switch " << switches::kContentHandlers
-                 << ": '" << parts[i + 1] << "' is not a valid URL.";
-      return;
-    }
-    // TODO(eseidel): We should also validate that the mimetype is valid
-    // net/base/mime_util.h could do this, but we don't want to depend on net.
-    manager->RegisterContentHandler(parts[i], url);
-  }
-}
-
-void InitDevToolsServiceIfNeeded(shell::ApplicationManager* manager,
-                                 const base::CommandLine& command_line) {
-  if (!command_line.HasSwitch(devtools_service::kRemoteDebuggingPort))
-    return;
-
-  std::string port_str =
-      command_line.GetSwitchValueASCII(devtools_service::kRemoteDebuggingPort);
-  unsigned port;
-  if (!base::StringToUint(port_str, &port) || port > 65535) {
-    LOG(ERROR) << "Invalid value for switch "
-               << devtools_service::kRemoteDebuggingPort << ": '" << port_str
-               << "' is not a valid port number.";
-    return;
-  }
-
-  ServiceProviderPtr devtools_service_provider;
-  scoped_ptr<shell::ConnectToApplicationParams> params(
-      new shell::ConnectToApplicationParams);
-  params->set_source(shell::Identity(GURL("mojo:shell"), std::string(),
-                                     shell::GetPermissiveCapabilityFilter()));
-  params->SetTarget(shell::Identity(GURL("mojo:devtools_service"),
-                                    std::string(),
-                                    shell::GetPermissiveCapabilityFilter()));
-  params->set_services(GetProxy(&devtools_service_provider));
-  manager->ConnectToApplication(std::move(params));
-
-  devtools_service::DevToolsCoordinatorPtr devtools_coordinator;
-  devtools_service_provider->ConnectToService(
-      devtools_service::DevToolsCoordinator::Name_,
-      GetProxy(&devtools_coordinator).PassMessagePipe());
-  devtools_coordinator->Initialize(static_cast<uint16_t>(port));
-}
-
-class TracingServiceProvider : public ServiceProvider {
- public:
-  TracingServiceProvider(Tracer* tracer,
-                         InterfaceRequest<ServiceProvider> request)
-      : tracer_(tracer), binding_(this, std::move(request)) {}
-  ~TracingServiceProvider() override {}
-
-  void ConnectToService(const mojo::String& service_name,
-                        ScopedMessagePipeHandle client_handle) override {
-    if (tracer_ && service_name == tracing::TraceProvider::Name_) {
-      tracer_->ConnectToProvider(
-          MakeRequest<tracing::TraceProvider>(std::move(client_handle)));
-    }
-  }
-
- private:
-  Tracer* tracer_;
-  StrongBinding<ServiceProvider> binding_;
-
-  DISALLOW_COPY_AND_ASSIGN(TracingServiceProvider);
-};
-
-}  // namespace
-
-Context::Context()
-    : package_manager_(nullptr), main_entry_time_(base::Time::Now()) {}
-
-Context::~Context() {
-  DCHECK(!base::MessageLoop::current());
-}
-
-// static
-void Context::EnsureEmbedderIsInitialized() {
-  static base::LazyInstance<Setup>::Leaky setup = LAZY_INSTANCE_INITIALIZER;
-  setup.Get();
-}
-
-bool Context::Init(const base::FilePath& shell_file_root) {
-  TRACE_EVENT0("mojo_shell", "Context::Init");
-  const base::CommandLine& command_line =
-      *base::CommandLine::ForCurrentProcess();
-
-  bool trace_startup = command_line.HasSwitch(switches::kTraceStartup);
-  if (trace_startup) {
-    tracer_.Start(
-        command_line.GetSwitchValueASCII(switches::kTraceStartup),
-        command_line.GetSwitchValueASCII(switches::kTraceStartupDuration),
-        "mojo_runner.trace");
-  }
-
-  // ICU data is a thing every part of the system needs. This here warms
-  // up the copy of ICU in the mojo runner.
-  CHECK(base::i18n::InitializeICU());
-
-  EnsureEmbedderIsInitialized();
-  task_runners_.reset(
-      new TaskRunners(base::MessageLoop::current()->task_runner()));
-
-  // TODO(vtl): This should be MASTER, not NONE.
-  embedder::InitIPCSupport(embedder::ProcessType::NONE, this,
-                           task_runners_->io_runner(),
-                           embedder::ScopedPlatformHandle());
-
-  package_manager_ = new shell::PackageManagerImpl(
-      shell_file_root, task_runners_->blocking_pool());
-  InitContentHandlers(package_manager_, command_line);
-
-  RegisterLocalAliases(package_manager_);
-
-  scoped_ptr<shell::NativeRunnerFactory> runner_factory;
-  if (command_line.HasSwitch(switches::kMojoSingleProcess)) {
-#if defined(COMPONENT_BUILD)
-    LOG(ERROR) << "Running Mojo in single process component build, which isn't "
-               << "supported because statics in apps interact. Use static build"
-               << " or don't pass --single-process.";
-#endif
-    runner_factory.reset(new shell::InProcessNativeRunnerFactory(
-        task_runners_->blocking_pool()));
-  } else {
-    runner_factory.reset(new shell::OutOfProcessNativeRunnerFactory(
-        task_runners_->blocking_pool()));
-  }
-  application_manager_.reset(new shell::ApplicationManager(
-      make_scoped_ptr(package_manager_), std::move(runner_factory),
-      task_runners_->blocking_pool()));
-
-  ServiceProviderPtr tracing_services;
-  ServiceProviderPtr tracing_exposed_services;
-  new TracingServiceProvider(&tracer_, GetProxy(&tracing_exposed_services));
-
-  scoped_ptr<shell::ConnectToApplicationParams> params(
-      new shell::ConnectToApplicationParams);
-  params->set_source(shell::Identity(GURL("mojo:shell"), std::string(),
-                                     shell::GetPermissiveCapabilityFilter()));
-  params->SetTarget(shell::Identity(GURL("mojo:tracing"), std::string(),
-                                    shell::GetPermissiveCapabilityFilter()));
-  params->set_services(GetProxy(&tracing_services));
-  params->set_exposed_services(std::move(tracing_exposed_services));
-  application_manager_->ConnectToApplication(std::move(params));
-
-  if (command_line.HasSwitch(tracing::kTraceStartup)) {
-    tracing::TraceCollectorPtr coordinator;
-    auto coordinator_request = GetProxy(&coordinator);
-    tracing_services->ConnectToService(tracing::TraceCollector::Name_,
-                                       coordinator_request.PassMessagePipe());
-    tracer_.StartCollectingFromTracingService(std::move(coordinator));
-  }
-
-  // Record the shell startup metrics used for performance testing.
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          tracing::kEnableStatsCollectionBindings)) {
-    tracing::StartupPerformanceDataCollectorPtr collector;
-    tracing_services->ConnectToService(
-        tracing::StartupPerformanceDataCollector::Name_,
-        GetProxy(&collector).PassMessagePipe());
-#if defined(OS_MACOSX) || defined(OS_WIN) || defined(OS_LINUX)
-    // CurrentProcessInfo::CreationTime is only defined on some platforms.
-    const base::Time creation_time = base::CurrentProcessInfo::CreationTime();
-    collector->SetShellProcessCreationTime(creation_time.ToInternalValue());
-#endif
-    collector->SetShellMainEntryPointTime(main_entry_time_.ToInternalValue());
-  }
-
-  InitDevToolsServiceIfNeeded(application_manager_.get(), command_line);
-
-  return true;
-}
-
-void Context::Shutdown() {
-  // Actions triggered by ApplicationManager's destructor may require a current
-  // message loop, so we should destruct it explicitly now as ~Context() occurs
-  // post message loop shutdown.
-  application_manager_.reset();
-
-  TRACE_EVENT0("mojo_shell", "Context::Shutdown");
-  DCHECK_EQ(base::MessageLoop::current()->task_runner(),
-            task_runners_->shell_runner());
-  // Post a task in case OnShutdownComplete is called synchronously.
-  base::MessageLoop::current()->PostTask(
-      FROM_HERE, base::Bind(embedder::ShutdownIPCSupport));
-  // We'll quit when we get OnShutdownComplete().
-  base::MessageLoop::current()->Run();
-}
-
-void Context::OnShutdownComplete() {
-  DCHECK_EQ(base::MessageLoop::current()->task_runner(),
-            task_runners_->shell_runner());
-  base::MessageLoop::current()->QuitWhenIdle();
-}
-
-void Context::Run(const GURL& url) {
-  DCHECK(app_complete_callback_.is_null());
-  ServiceProviderPtr services;
-  ServiceProviderPtr exposed_services;
-
-  app_urls_.insert(url);
-
-  scoped_ptr<shell::ConnectToApplicationParams> params(
-      new shell::ConnectToApplicationParams);
-  params->SetTarget(shell::Identity(url, std::string(),
-                                    shell::GetPermissiveCapabilityFilter()));
-  params->set_services(GetProxy(&services));
-  params->set_exposed_services(std::move(exposed_services));
-  params->set_on_application_end(
-      base::Bind(&Context::OnApplicationEnd, base::Unretained(this), url));
-  application_manager_->ConnectToApplication(std::move(params));
-}
-
-void Context::RunCommandLineApplication(const base::Closure& callback) {
-  DCHECK(app_urls_.empty());
-  DCHECK(app_complete_callback_.is_null());
-  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
-  base::CommandLine::StringVector args = command_line->GetArgs();
-  for (size_t i = 0; i < args.size(); ++i) {
-    GURL possible_app(args[i]);
-    if (possible_app.SchemeIs("mojo")) {
-      Run(possible_app);
-      app_complete_callback_ = callback;
-      break;
-    }
-  }
-}
-
-void Context::OnApplicationEnd(const GURL& url) {
-  if (app_urls_.find(url) != app_urls_.end()) {
-    app_urls_.erase(url);
-    if (app_urls_.empty() && base::MessageLoop::current()->is_running()) {
-      DCHECK_EQ(base::MessageLoop::current()->task_runner(),
-                task_runners_->shell_runner());
-      if (app_complete_callback_.is_null()) {
-        base::MessageLoop::current()->QuitWhenIdle();
-      } else {
-        app_complete_callback_.Run();
-      }
-    }
-  }
-}
-
-}  // namespace runner
-}  // namespace mojo