third_party/WebKit/Source/modules/quota/NavigatorStorageQuota.cpp

/*
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#include "modules/quota/NavigatorStorageQuota.h"

#include "core/frame/Navigator.h"
#include "modules/quota/DeprecatedStorageQuota.h"
#include "modules/quota/StorageManager.h"

namespace blink {

NavigatorStorageQuota::NavigatorStorageQuota(Navigator& navigator)
    : Supplement<Navigator>(navigator) {}

const char* NavigatorStorageQuota::SupplementName() {
  return "NavigatorStorageQuota";
}

NavigatorStorageQuota& NavigatorStorageQuota::From(Navigator& navigator) {
  NavigatorStorageQuota* supplement = static_cast<NavigatorStorageQuota*>(
      Supplement<Navigator>::From(navigator, SupplementName()));
  if (!supplement) {
    supplement = new NavigatorStorageQuota(navigator);
    ProvideTo(navigator, SupplementName(), supplement);
  }
  return *supplement;
}


DeprecatedStorageQuota* NavigatorStorageQuota::webkitTemporaryStorage(
    Navigator& navigator) {
  return NavigatorStorageQuota::From(navigator).webkitTemporaryStorage();
}

DeprecatedStorageQuota* NavigatorStorageQuota::webkitPersistentStorage(
    Navigator& navigator) {
  return NavigatorStorageQuota::From(navigator).webkitPersistentStorage();
}

StorageManager* NavigatorStorageQuota::storage(Navigator& navigator) {
  return NavigatorStorageQuota::From(navigator).storage();
}

DeprecatedStorageQuota* NavigatorStorageQuota::webkitTemporaryStorage() const {
  if (!temporary_storage_)
    temporary_storage_ =
        DeprecatedStorageQuota::Create(DeprecatedStorageQuota::kTemporary);
  return temporary_storage_.Get();
}

DeprecatedStorageQuota* NavigatorStorageQuota::webkitPersistentStorage() const {
  if (!persistent_storage_)
    persistent_storage_ =
        DeprecatedStorageQuota::Create(DeprecatedStorageQuota::kPersistent);
  return persistent_storage_.Get();
}

StorageManager* NavigatorStorageQuota::storage() const {
  if (!storage_manager_)
    storage_manager_ = new StorageManager();
  return storage_manager_.Get();
}

void NavigatorStorageQuota::Trace(blink::Visitor* visitor) {
  visitor->Trace(temporary_storage_);
  visitor->Trace(persistent_storage_);
  visitor->Trace(storage_manager_);
  Supplement<Navigator>::Trace(visitor);
}

}  // namespace blink