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nsLoadGroup.h
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00015  * The Original Code is mozilla.org code.
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00024  * Alternatively, the contents of this file may be used under the terms of
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00037 
00038 #ifndef nsLoadGroup_h__
00039 #define nsLoadGroup_h__
00040 
00041 #include "nsILoadGroup.h"
00042 #include "nsIChannel.h"
00043 #include "nsIStreamListener.h"
00044 #include "nsAgg.h"
00045 #include "nsCOMPtr.h"
00046 #include "nsWeakPtr.h"
00047 #include "nsWeakReference.h"
00048 #include "nsIInterfaceRequestor.h"
00049 #include "nsIInterfaceRequestorUtils.h"
00050 #include "nsISupportsPriority.h"
00051 #include "pldhash.h"
00052 
00053 class  nsISupportsArray;
00054 
00055 class nsLoadGroup : public nsILoadGroup,
00056                     public nsISupportsPriority,
00057                     public nsSupportsWeakReference
00058 {
00059 public:
00060     NS_DECL_AGGREGATED
00061     
00063     // nsIRequest methods:
00064     NS_DECL_NSIREQUEST
00065 
00067     // nsILoadGroup methods:
00068     NS_DECL_NSILOADGROUP
00069 
00071     // nsISupportsPriority methods:
00072     NS_DECL_NSISUPPORTSPRIORITY
00073 
00075     // nsLoadGroup methods:
00076 
00077     nsLoadGroup(nsISupports* outer);
00078     
00079     static NS_METHOD
00080     Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
00081 
00082 protected:
00083     virtual ~nsLoadGroup();
00084     nsresult Init();
00085 
00086     nsresult MergeLoadFlags(nsIRequest *aRequest, nsLoadFlags& flags);
00087 
00088 protected:
00089     PRUint32                        mForegroundCount;
00090     PRUint32                        mLoadFlags;
00091 
00092     nsCOMPtr<nsILoadGroup>          mLoadGroup; // load groups can contain load groups
00093     nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
00094 
00095     nsCOMPtr<nsIRequest>            mDefaultLoadRequest;
00096     PLDHashTable                    mRequests;
00097 
00098     nsWeakPtr                       mObserver;
00099     
00100     nsresult                        mStatus;
00101     PRInt32                         mPriority;
00102     PRBool                          mIsCanceling;
00103 };
00104 
00105 #endif // nsLoadGroup_h__