[Media Galleries] Move RemovableStorageInfo notifications to chrome namespace (part 2)

chrome/browser/system_monitor/removable_storage_notifications.cc

+// Copyright (c) 2012 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 "base/stl_util.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/system_monitor/removable_storage_notifications.h"
+
+namespace chrome {
+
+RemovableStorageNotifications::RemovableStorageInfo::RemovableStorageInfo() {
+}
+
+RemovableStorageNotifications::RemovableStorageInfo::RemovableStorageInfo(
+    const std::string& id,
+    const string16& device_name,
+    const FilePath::StringType& device_location)
+    : device_id(id),
+      name(device_name),
+      location(device_location) {
+}
+
+RemovableStorageNotifications::RemovableStorageNotifications()
+    : observer_list_(
+          new ObserverListThreadSafe<RemovableStorageObserver>()) {
+}
+
+void RemovableStorageNotifications::ProcessRemovableStorageAttached(
+    const std::string& id,
+    const string16& name,
+    const FilePath::StringType& location) {
+  {
+    base::AutoLock lock(removable_storage_lock_);
+    if (ContainsKey(removable_storage_map_, id)) {
+      // This can happen if our unique id scheme fails. Ignore the incoming
+      // non-unique attachment.
+      return;
+    }
+    RemovableStorageInfo info(id, name, location);
+    removable_storage_map_.insert(std::make_pair(id, info));
+  }
+  NotifyRemovableStorageAttached(id, name, location);
+}
+
+void RemovableStorageNotifications::ProcessRemovableStorageDetached(
+    const std::string& id) {
+  {
+    base::AutoLock lock(removable_storage_lock_);
+    RemovableStorageMap::iterator it = removable_storage_map_.find(id);
+    if (it == removable_storage_map_.end())
+      return;
+    removable_storage_map_.erase(it);
+  }
+  NotifyRemovableStorageDetached(id);
+}
+
+std::vector<RemovableStorageNotifications::RemovableStorageInfo>
+RemovableStorageNotifications::GetAttachedRemovableStorage() const {
+  std::vector<RemovableStorageInfo> results;
+
+  base::AutoLock lock(removable_storage_lock_);
+  for (RemovableStorageMap::const_iterator it = removable_storage_map_.begin();
+       it != removable_storage_map_.end();
+       ++it) {
+    results.push_back(it->second);
+  }
+  return results;
+}
+
+void RemovableStorageNotifications::AddRemovableStorageObserver(
+    RemovableStorageObserver* obs) {
+  observer_list_->AddObserver(obs);
+}
+
+void RemovableStorageNotifications::RemoveRemovableStorageObserver(
+    RemovableStorageObserver* obs) {
+  observer_list_->RemoveObserver(obs);
+}
+
+void RemovableStorageNotifications::NotifyRemovableStorageAttached(
+    const std::string& id,
+    const string16& name,
+    const FilePath::StringType& location) {
+  DVLOG(1) << "RemovableStorageAttached with name " << UTF16ToUTF8(name)
+           << " and id " << id;
+  observer_list_->Notify(
+    &RemovableStorageObserver::OnRemovableStorageAttached, id, name, location);
+}
+
+void RemovableStorageNotifications::NotifyRemovableStorageDetached(
+    const std::string& id) {
+  DVLOG(1) << "RemovableStorageDetached for id " << id;
+  observer_list_->Notify(
+    &RemovableStorageObserver::OnRemovableStorageDetached, id);
+}
+
+
+
+
+}  // namespace chrome