summaryrefslogtreecommitdiffstats
path: root/dom/quota/QuotaRequests.h
diff options
context:
space:
mode:
Diffstat (limited to 'dom/quota/QuotaRequests.h')
-rw-r--r--dom/quota/QuotaRequests.h142
1 files changed, 142 insertions, 0 deletions
diff --git a/dom/quota/QuotaRequests.h b/dom/quota/QuotaRequests.h
new file mode 100644
index 000000000..cb483753b
--- /dev/null
+++ b/dom/quota/QuotaRequests.h
@@ -0,0 +1,142 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef mozilla_dom_quota_UsageRequest_h
+#define mozilla_dom_quota_UsageRequest_h
+
+#include "nsCOMPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIQuotaRequests.h"
+
+class nsIPrincipal;
+class nsIQuotaCallback;
+class nsIQuotaUsageCallback;
+struct PRThread;
+
+namespace mozilla {
+namespace dom {
+namespace quota {
+
+class QuotaUsageRequestChild;
+
+class RequestBase
+ : public nsIQuotaRequestBase
+{
+protected:
+#ifdef DEBUG
+ PRThread* mOwningThread;
+#endif
+
+ nsCOMPtr<nsIPrincipal> mPrincipal;
+
+ nsresult mResultCode;
+ bool mHaveResultOrErrorCode;
+
+public:
+ void
+ AssertIsOnOwningThread() const
+#ifdef DEBUG
+ ;
+#else
+ { }
+#endif
+
+ void
+ SetError(nsresult aRv);
+
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_NSIQUOTAREQUESTBASE
+ NS_DECL_CYCLE_COLLECTION_CLASS(RequestBase)
+
+protected:
+ RequestBase();
+
+ RequestBase(nsIPrincipal* aPrincipal);
+
+ virtual ~RequestBase()
+ {
+ AssertIsOnOwningThread();
+ }
+
+ virtual void
+ FireCallback() = 0;
+};
+
+class UsageRequest final
+ : public RequestBase
+ , public nsIQuotaUsageRequest
+{
+ nsCOMPtr<nsIQuotaUsageCallback> mCallback;
+
+ nsCOMPtr<nsIVariant> mResult;
+
+ QuotaUsageRequestChild* mBackgroundActor;
+
+ bool mCanceled;
+
+public:
+ explicit UsageRequest(nsIQuotaUsageCallback* aCallback);
+
+ UsageRequest(nsIPrincipal* aPrincipal,
+ nsIQuotaUsageCallback* aCallback);
+
+ void
+ SetBackgroundActor(QuotaUsageRequestChild* aBackgroundActor);
+
+ void
+ ClearBackgroundActor()
+ {
+ AssertIsOnOwningThread();
+
+ mBackgroundActor = nullptr;
+ }
+
+ void
+ SetResult(nsIVariant* aResult);
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_FORWARD_NSIQUOTAREQUESTBASE(RequestBase::)
+ NS_DECL_NSIQUOTAUSAGEREQUEST
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(UsageRequest, RequestBase)
+
+private:
+ ~UsageRequest();
+
+ virtual void
+ FireCallback() override;
+};
+
+class Request final
+ : public RequestBase
+ , public nsIQuotaRequest
+{
+ nsCOMPtr<nsIQuotaCallback> mCallback;
+
+public:
+ Request();
+
+ explicit Request(nsIPrincipal* aPrincipal);
+
+ void
+ SetResult();
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_FORWARD_NSIQUOTAREQUESTBASE(RequestBase::)
+ NS_DECL_NSIQUOTAREQUEST
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Request, RequestBase)
+
+private:
+ ~Request();
+
+ virtual void
+ FireCallback() override;
+};
+
+} // namespace quota
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_quota_UsageRequest_h