mediaview: Mount ARC documents provider file system volumes.

components/arc/arc_service_manager.cc

 // Copyright 2015 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 "components/arc/arc_service_manager.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/task_runner.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_session.h"
 #include "components/arc/arc_session_runner.h"
+#include "components/arc/file_system/arc_file_system_observer.h"
 #include "components/arc/intent_helper/arc_intent_helper_observer.h"
 
 namespace arc {
 namespace {
 
 // Weak pointer.  This class is owned by arc::ArcServiceLauncher.
 ArcServiceManager* g_arc_service_manager = nullptr;
 
 }  // namespace
 
@@ skipping 13 matching lines @@
 ArcServiceManager::IntentHelperObserverImpl::IntentHelperObserverImpl(
     ArcServiceManager* manager)
     : manager_(manager) {}
 
 void ArcServiceManager::IntentHelperObserverImpl::OnIntentFiltersUpdated() {
   DCHECK(manager_->thread_checker_.CalledOnValidThread());
   for (auto& observer : manager_->observer_list_)
     observer.OnIntentFiltersUpdated();
 }
 
+class ArcServiceManager::FileSystemObserverImpl : public ArcFileSystemObserver {
+ public:
+  explicit FileSystemObserverImpl(ArcServiceManager* manager);
+  ~FileSystemObserverImpl() override = default;
+
+ private:
+  void OnFileSystemsReady() override;
+  ArcServiceManager* const manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileSystemObserverImpl);
+};
+
+ArcServiceManager::FileSystemObserverImpl::FileSystemObserverImpl(
+    ArcServiceManager* manager)
+    : manager_(manager) {}
+
+void ArcServiceManager::FileSystemObserverImpl::OnFileSystemsReady() {
+  DCHECK(manager_->thread_checker_.CalledOnValidThread());
+  for (auto& observer : manager_->observer_list_)
+    observer.OnFileSystemsReady();
+}
+
 ArcServiceManager::ArcServiceManager(
     scoped_refptr<base::TaskRunner> blocking_task_runner)
     : blocking_task_runner_(blocking_task_runner),
       intent_helper_observer_(base::MakeUnique<IntentHelperObserverImpl>(this)),
+      file_system_observer_(base::MakeUnique<FileSystemObserverImpl>(this)),
       arc_bridge_service_(base::MakeUnique<ArcBridgeService>()),
       icon_loader_(new ActivityIconLoader()),
       activity_resolver_(new LocalActivityResolver()) {
   DCHECK(!g_arc_service_manager);
   g_arc_service_manager = this;
 }
 
 ArcServiceManager::~ArcServiceManager() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK_EQ(g_arc_service_manager, this);
@@ skipping 34 matching lines @@
   // Before actual shutdown, notify observers for clean up.
   for (auto& observer : observer_list_)
     observer.OnArcShutdown();
 
   icon_loader_ = nullptr;
   activity_resolver_ = nullptr;
   services_.clear();
 }
 
 }  // namespace arc