/*********************************************************************** * RegisterBindStatusCallback (urlmon.@) * * Register a bind status callback. * * PARAMS * pbc [I] Binding context * pbsc [I] Callback to register * ppbscPrevious [O] Destination for previous callback * dwReserved [I] Reserved, must be 0. * * RETURNS * Success: S_OK. * Failure: E_INVALIDARG, if any argument is invalid, or * E_OUTOFMEMORY if memory allocation fails. */ HRESULT WINAPI RegisterBindStatusCallback(IBindCtx *pbc, IBindStatusCallback *pbsc, IBindStatusCallback **ppbscPrevious, DWORD dwReserved) { BindStatusCallback *holder; IBindStatusCallback *bsc, *prev = NULL; IUnknown *unk; HRESULT hres; TRACE("(%p %p %p %x)\n", pbc, pbsc, ppbscPrevious, dwReserved); if (!pbc || !pbsc) return E_INVALIDARG; hres = IBindCtx_GetObjectParam(pbc, BSCBHolder, &unk); if(SUCCEEDED(hres)) { hres = IUnknown_QueryInterface(unk, &IID_IBindStatusCallback, (void**)&bsc); IUnknown_Release(unk); if(SUCCEEDED(hres)) { hres = IBindStatusCallback_QueryInterface(bsc, &IID_IBindStatusCallbackHolder, (void**)&holder); if(SUCCEEDED(hres)) { if(ppbscPrevious) { IBindStatusCallback_AddRef(holder->callback); *ppbscPrevious = holder->callback; } set_callback(holder, pbsc); IBindStatusCallback_Release(bsc); IBindStatusCallback_Release(STATUSCLB(holder)); return S_OK; }else { prev = bsc; } } IBindCtx_RevokeObjectParam(pbc, BSCBHolder); } hres = wrap_callback(pbsc, &bsc); if(SUCCEEDED(hres)) { hres = IBindCtx_RegisterObjectParam(pbc, BSCBHolder, (IUnknown*)bsc); IBindStatusCallback_Release(bsc); } if(FAILED(hres)) { if(prev) IBindStatusCallback_Release(prev); return hres; } if(ppbscPrevious) *ppbscPrevious = prev; return S_OK; }
HRESULT create_default_callback(IBindStatusCallback **ret) { IBindStatusCallback *callback; HRESULT hres; hres = DownloadBSC_Create(NULL, NULL, &callback); if(FAILED(hres)) return hres; hres = wrap_callback(callback, ret); IBindStatusCallback_Release(callback); return hres; }
/*********************************************************************** * RegisterBindStatusCallback (urlmon.@) * * Register a bind status callback. * * PARAMS * pbc [I] Binding context * pbsc [I] Callback to register * ppbscPrevious [O] Destination for previous callback * dwReserved [I] Reserved, must be 0. * * RETURNS * Success: S_OK. * Failure: E_INVALIDARG, if any argument is invalid, or * E_OUTOFMEMORY if memory allocation fails. */ HRESULT WINAPI RegisterBindStatusCallback(IBindCtx *pbc, IBindStatusCallback *pbsc, IBindStatusCallback **ppbscPrevious, DWORD dwReserved) { BindStatusCallback *holder; IBindStatusCallback *bsc, *prev = NULL; HRESULT hres; TRACE("(%p %p %p %x)\n", pbc, pbsc, ppbscPrevious, dwReserved); if (!pbc || !pbsc) return E_INVALIDARG; bsc = bsch_from_bctx(pbc); if(bsc) { hres = IBindStatusCallback_QueryInterface(bsc, &IID_IBindStatusCallbackHolder, (void**)&holder); if(SUCCEEDED(hres)) { if(ppbscPrevious) { IBindStatusCallback_AddRef(holder->callback); *ppbscPrevious = holder->callback; } set_callback(holder, pbsc); IBindStatusCallback_Release(bsc); IBindStatusCallbackEx_Release(&holder->IBindStatusCallbackEx_iface); return S_OK; }else { prev = bsc; } IBindCtx_RevokeObjectParam(pbc, bscb_holderW); } hres = wrap_callback(pbsc, &bsc); if(SUCCEEDED(hres)) { hres = IBindCtx_RegisterObjectParam(pbc, bscb_holderW, (IUnknown*)bsc); IBindStatusCallback_Release(bsc); } if(FAILED(hres)) { if(prev) IBindStatusCallback_Release(prev); return hres; } if(ppbscPrevious) *ppbscPrevious = prev; return S_OK; }