content/utility/utility_process_control_impl.cc

   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/utility/utility_process_control_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "base/stl_util.h"
   9 #include "content/public/common/content_client.h"
  10 #include "content/public/utility/content_utility_client.h"
  11 #include "content/public/utility/utility_thread.h"
  12 #include "mojo/shell/static_application_loader.h"
  13 #include "url/gurl.h"
  14
  15 #if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
  16 #include "media/mojo/services/mojo_media_application.h"
  17 #endif
  18
  19 namespace content {
  20
  21 namespace {
  22
  23 // Called when a static application terminates.
  24 void QuitProcess() {
  25   UtilityThread::Get()->ReleaseProcessIfNeeded();
  26 }
  27
  28 }  // namespace
  29
  30 UtilityProcessControlImpl::UtilityProcessControlImpl() {
  31   ContentUtilityClient::StaticMojoApplicationMap apps;
  32   GetContentClient()->utility()->RegisterMojoApplications(&apps);
  33   for (const auto& entry : apps) {
  34     url_to_loader_map_[entry.first] = new mojo::shell::StaticApplicationLoader(
  35         entry.second, base::Bind(&QuitProcess));
  36   }
  37
  38 #if defined(ENABLE_MOJO_MEDIA_IN_UTILITY_PROCESS)
  39   url_to_loader_map_[media::MojoMediaApplication::AppUrl()] =
  40       new mojo::shell::StaticApplicationLoader(
  41           base::Bind(&media::MojoMediaApplication::CreateApp),
  42           base::Bind(&QuitProcess));
  43 #endif
  44 }
  45
  46 UtilityProcessControlImpl::~UtilityProcessControlImpl() {
  47   STLDeleteValues(&url_to_loader_map_);
  48 }
  49
  50 void UtilityProcessControlImpl::LoadApplication(
  51     const mojo::String& url,
  52     mojo::InterfaceRequest<mojo::Application> request,
  53     const LoadApplicationCallback& callback) {
  54   GURL application_url = GURL(url.To<std::string>());
  55   auto it = url_to_loader_map_.find(application_url);
  56   if (it == url_to_loader_map_.end()) {
  57     callback.Run(false);
  58     return;
  59   }
  60
  61   callback.Run(true);
  62   it->second->Load(application_url, request.Pass());
  63 }
  64
  65 }  // namespace content