import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

uriloader/prefetch/OfflineCacheUpdateChild.h

@@ -0,0 +1,94 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 nsOfflineCacheUpdateChild_h
+#define nsOfflineCacheUpdateChild_h
+
+#include "mozilla/docshell/POfflineCacheUpdateChild.h"
+#include "nsIOfflineCacheUpdate.h"
+
+#include "nsCOMArray.h"
+#include "nsCOMPtr.h"
+#include "nsIDOMDocument.h"
+#include "nsIObserver.h"
+#include "nsIObserverService.h"
+#include "nsIURI.h"
+#include "nsString.h"
+#include "nsWeakReference.h"
+
+class nsPIDOMWindowInner;
+
+namespace mozilla {
+namespace docshell {
+
+class OfflineCacheUpdateChild : public nsIOfflineCacheUpdate
+                              , public POfflineCacheUpdateChild
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIOFFLINECACHEUPDATE
+
+    virtual bool
+    RecvNotifyStateEvent(const uint32_t& stateEvent,
+                         const uint64_t& byteProgress) override;
+
+    virtual bool
+    RecvAssociateDocuments(
+            const nsCString& cacheGroupId,
+            const nsCString& cacheClientId) override;
+
+    virtual bool
+    RecvFinish(const bool& succeeded,
+               const bool& isUpgrade) override;
+
+    explicit OfflineCacheUpdateChild(nsPIDOMWindowInner* aWindow);
+
+    void SetDocument(nsIDOMDocument *aDocument);
+
+private:
+    ~OfflineCacheUpdateChild();
+
+    nsresult AssociateDocument(nsIDOMDocument *aDocument,
+                               nsIApplicationCache *aApplicationCache);
+    void GatherObservers(nsCOMArray<nsIOfflineCacheUpdateObserver> &aObservers);
+    nsresult Finish();
+
+    enum {
+        STATE_UNINITIALIZED,
+        STATE_INITIALIZED,
+        STATE_CHECKING,
+        STATE_DOWNLOADING,
+        STATE_CANCELLED,
+        STATE_FINISHED
+    } mState;
+
+    bool mIsUpgrade;
+    bool mSucceeded;
+
+    nsCString mUpdateDomain;
+    nsCOMPtr<nsIURI> mManifestURI;
+    nsCOMPtr<nsIURI> mDocumentURI;
+    nsCOMPtr<nsIPrincipal> mLoadingPrincipal;
+
+    nsCOMPtr<nsIObserverService> mObserverService;
+
+    /* Clients watching this update for changes */
+    nsCOMArray<nsIWeakReference> mWeakObservers;
+    nsCOMArray<nsIOfflineCacheUpdateObserver> mObservers;
+
+    /* Document that requested this update */
+    nsCOMPtr<nsIDOMDocument> mDocument;
+
+    /* Keep reference to the window that owns this update to call the
+       parent offline cache update construcor */
+    nsCOMPtr<nsPIDOMWindowInner> mWindow;
+
+    uint64_t mByteProgress;
+};
+
+} // namespace docshell
+} // namespace mozilla
+
+#endif