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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef nsOfflineCacheUpdateGlue_h
       7             : #define nsOfflineCacheUpdateGlue_h
       8             : 
       9             : #include "nsIOfflineCacheUpdate.h"
      10             : 
      11             : #include "nsCOMPtr.h"
      12             : #include "nsAutoPtr.h"
      13             : #include "nsString.h"
      14             : #include "nsWeakReference.h"
      15             : #include "mozilla/Attributes.h"
      16             : 
      17             : class nsOfflineCacheUpdate;
      18             : 
      19             : namespace mozilla {
      20             : namespace docshell {
      21             : 
      22             : // Like FORWARD_SAFE except methods:
      23             : //    Schedule
      24             : //    Init
      25             : #define NS_ADJUSTED_FORWARD_NSIOFFLINECACHEUPDATE(_to) \
      26             :   NS_IMETHOD GetStatus(uint16_t *aStatus) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetStatus(aStatus); } \
      27             :   NS_IMETHOD GetPartial(bool *aPartial) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetPartial(aPartial); } \
      28             :   NS_IMETHOD GetIsUpgrade(bool *aIsUpgrade) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetIsUpgrade(aIsUpgrade); } \
      29             :   NS_IMETHOD GetUpdateDomain(nsACString & aUpdateDomain) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetUpdateDomain(aUpdateDomain); } \
      30             :   NS_IMETHOD GetManifestURI(nsIURI **aManifestURI) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetManifestURI(aManifestURI); } \
      31             :   NS_IMETHOD GetSucceeded(bool *aSucceeded) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetSucceeded(aSucceeded); } \
      32             :   NS_IMETHOD InitPartial(nsIURI *aManifestURI, const nsACString & aClientID, nsIURI *aDocumentURI, nsIPrincipal *aLoadingPrincipal) override { return !_to ? NS_ERROR_NULL_POINTER : _to->InitPartial(aManifestURI, aClientID, aDocumentURI, aLoadingPrincipal); } \
      33             :   NS_IMETHOD InitForUpdateCheck(nsIURI *aManifestURI, nsIPrincipal* aLoadingPrincipal, nsIObserver *aObserver) override { return !_to ? NS_ERROR_NULL_POINTER : _to->InitForUpdateCheck(aManifestURI, aLoadingPrincipal, aObserver); } \
      34             :   NS_IMETHOD AddDynamicURI(nsIURI *aURI) override { return !_to ? NS_ERROR_NULL_POINTER : _to->AddDynamicURI(aURI); } \
      35             :   NS_IMETHOD AddObserver(nsIOfflineCacheUpdateObserver *aObserver, bool aHoldWeak) override { return !_to ? NS_ERROR_NULL_POINTER : _to->AddObserver(aObserver, aHoldWeak); } \
      36             :   NS_IMETHOD RemoveObserver(nsIOfflineCacheUpdateObserver *aObserver) override { return !_to ? NS_ERROR_NULL_POINTER : _to->RemoveObserver(aObserver); } \
      37             :   NS_IMETHOD GetByteProgress(uint64_t * _result) override { return !_to ? NS_ERROR_NULL_POINTER : _to->GetByteProgress(_result); } \
      38             :   NS_IMETHOD Cancel() override { return !_to ? NS_ERROR_NULL_POINTER : _to->Cancel(); }
      39             : 
      40             : class OfflineCacheUpdateGlue final : public nsSupportsWeakReference
      41             :                                    , public nsIOfflineCacheUpdate
      42             :                                    , public nsIOfflineCacheUpdateObserver
      43             : {
      44             : public:
      45             :     NS_DECL_ISUPPORTS
      46             : 
      47             : private:
      48             :     nsIOfflineCacheUpdate* EnsureUpdate();
      49             : 
      50             : public:
      51           0 :     NS_ADJUSTED_FORWARD_NSIOFFLINECACHEUPDATE(EnsureUpdate())
      52             :     NS_IMETHOD Schedule(void) override;
      53             :     NS_IMETHOD Init(nsIURI *aManifestURI,
      54             :                     nsIURI *aDocumentURI,
      55             :                     nsIPrincipal* aLoadingPrincipal,
      56             :                     nsIDOMDocument *aDocument,
      57             :                     nsIFile *aCustomProfileDir) override;
      58             : 
      59             :     NS_DECL_NSIOFFLINECACHEUPDATEOBSERVER
      60             : 
      61             :     OfflineCacheUpdateGlue();
      62             : 
      63             :     void SetDocument(nsIDOMDocument *aDocument);
      64             : 
      65             : private:
      66             :     ~OfflineCacheUpdateGlue();
      67             : 
      68             :     RefPtr<nsOfflineCacheUpdate> mUpdate;
      69             :     bool mCoalesced;
      70             : 
      71             :     /* Document that requested this update */
      72             :     nsCOMPtr<nsIDOMDocument> mDocument;
      73             :     nsCOMPtr<nsIURI> mDocumentURI;
      74             :     nsCOMPtr<nsIPrincipal> mLoadingPrincipal;
      75             : };
      76             : 
      77             : } // namespace docshell
      78             : } // namespace mozilla
      79             : 
      80             : #endif