gecko-dev/dom/datastore/DataStore.cpp

189 строки
4.4 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/DataStore.h"
#include "mozilla/dom/DataStoreCursor.h"
#include "mozilla/dom/DataStoreBinding.h"
#include "mozilla/dom/DataStoreImplBinding.h"
#include "mozilla/dom/Navigator.h"
#include "mozilla/dom/Promise.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/Preferences.h"
#include "AccessCheck.h"
namespace mozilla {
namespace dom {
NS_IMPL_ADDREF_INHERITED(DataStore, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(DataStore, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DataStore)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
NS_IMPL_CYCLE_COLLECTION_INHERITED(DataStore, DOMEventTargetHelper, mStore)
DataStore::DataStore(nsPIDOMWindow* aWindow)
: DOMEventTargetHelper(aWindow)
{
}
already_AddRefed<DataStore>
DataStore::Constructor(GlobalObject& aGlobal, ErrorResult& aRv)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());
if (!window) {
aRv.Throw(NS_ERROR_FAILURE);
return nullptr;
}
nsRefPtr<DataStore> store = new DataStore(window);
return store.forget();
}
JSObject*
DataStore::WrapObject(JSContext* aCx)
{
return DataStoreBinding::Wrap(aCx, this);
}
/*static*/ bool
DataStore::EnabledForScope(JSContext* aCx, JS::Handle<JSObject*> aObj)
{
// Only expose the interface when it is:
// 1. enabled by the preference and
// 2. accessed by the chrome codes in Gecko.
return (Navigator::HasDataStoreSupport(aCx, aObj) &&
nsContentUtils::ThreadsafeIsCallerChrome());
}
void
DataStore::GetName(nsAString& aName, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
nsAutoString name;
mStore->GetName(name, aRv);
aName.Assign(name);
}
void
DataStore::GetOwner(nsAString& aOwner, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
nsAutoString owner;
mStore->GetOwner(owner, aRv);
aOwner.Assign(owner);
}
bool
DataStore::GetReadOnly(ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->GetReadOnly(aRv);
}
already_AddRefed<Promise>
DataStore::Get(const Sequence<OwningStringOrUnsignedLong>& aId,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Get(aId, aRv);
}
already_AddRefed<Promise>
DataStore::Put(JSContext* aCx,
JS::Handle<JS::Value> aObj,
const StringOrUnsignedLong& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Put(aObj, aId, aRevisionId, aRv);
}
already_AddRefed<Promise>
DataStore::Add(JSContext* aCx,
JS::Handle<JS::Value> aObj,
const Optional<StringOrUnsignedLong>& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Add(aObj, aId, aRevisionId, aRv);
}
already_AddRefed<Promise>
DataStore::Remove(const StringOrUnsignedLong& aId,
const nsAString& aRevisionId,
ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Remove(aId, aRevisionId, aRv);
}
already_AddRefed<Promise>
DataStore::Clear(const nsAString& aRevisionId, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Clear(aRevisionId, aRv);
}
void
DataStore::GetRevisionId(nsAString& aRevisionId, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
nsAutoString revisionId;
mStore->GetRevisionId(revisionId, aRv);
aRevisionId.Assign(revisionId);
}
already_AddRefed<Promise>
DataStore::GetLength(ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->GetLength(aRv);
}
already_AddRefed<DataStoreCursor>
DataStore::Sync(const nsAString& aRevisionId, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(mStore);
return mStore->Sync(aRevisionId, aRv);
}
void
DataStore::SetDataStoreImpl(DataStoreImpl& aStore, ErrorResult& aRv)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(!mStore);
mStore = &aStore;
mStore->SetEventTarget(*this, aRv);
}
} //namespace dom
} //namespace mozilla