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430 lines
16 KiB
C++
430 lines
16 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "net.h"
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#include "mktrace.h"
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#include "structs.h"
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#include "ctxtfunc.h"
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#include "nsIStreamListener.h"
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#include "nsNetStream.h"
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/****************************************************************************/
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/* Beginning of MWContext Evil!!! */
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/* ------------------------------- */
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/* */
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/* Define a dummy MWContext where all of the upcalls are stubbed out. */
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/* */
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/****************************************************************************/
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PRIVATE int
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stub_noop(int x, ...)
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{
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#ifdef XP_MAC
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#pragma unused (x)
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#endif
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/* DebugBreak(); */
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return 0;
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}
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PRIVATE void stub_GraphProgressInit(MWContext *context,
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URL_Struct *URL_s,
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int32 content_length)
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{
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nsConnectionInfo *pConn;
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if (NULL != URL_s->fe_data) {
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/*
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* Retrieve the nsConnectionInfo object from the fe_data field
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* of the URL_Struct...
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*/
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pConn = (nsConnectionInfo *)URL_s->fe_data;
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if ((NULL != pConn) && (NULL != pConn->pConsumer)) {
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pConn->pConsumer->OnProgress(0, content_length, NULL);
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}
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}
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}
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PRIVATE void stub_GraphProgress(MWContext *context,
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URL_Struct *URL_s,
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int32 bytes_received,
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int32 bytes_since_last_time,
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int32 content_length)
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{
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nsConnectionInfo *pConn;
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if (NULL != URL_s->fe_data) {
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/*
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* Retrieve the nsConnectionInfo object from the fe_data field
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* of the URL_Struct...
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*/
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pConn = (nsConnectionInfo *)URL_s->fe_data;
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if ((NULL != pConn) && (NULL != pConn->pConsumer)) {
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pConn->pConsumer->OnProgress(bytes_received, content_length, NULL);
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}
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}
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}
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PRIVATE void stub_GraphProgressDestroy(MWContext *context,
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URL_Struct *URL_s,
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int32 content_length,
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int32 total_bytes_read)
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{
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nsConnectionInfo *pConn;
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if (NULL != URL_s->fe_data) {
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/*
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* Retrieve the nsConnectionInfo object from the fe_data field
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* of the URL_Struct...
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*/
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pConn = (nsConnectionInfo *)URL_s->fe_data;
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if ((NULL != pConn) && (NULL != pConn->pConsumer)) {
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pConn->pConsumer->OnProgress(total_bytes_read, content_length, NULL);
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}
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}
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}
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#define MAKE_FE_TYPES_PREFIX(func) func##_t
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#define MAKE_FE_FUNCS_TYPES
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#include "mk_cx_fn.h"
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#undef MAKE_FE_FUNCS_TYPES
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#define stub_CreateNewDocWindow (CreateNewDocWindow_t)stub_noop
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#define stub_LayoutNewDocument (LayoutNewDocument_t)stub_noop
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#define stub_SetDocTitle (SetDocTitle_t)stub_noop
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#define stub_FinishedLayout (FinishedLayout_t)stub_noop
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#define stub_TranslateISOText (TranslateISOText_t)stub_noop
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#define stub_GetTextInfo (GetTextInfo_t)stub_noop
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#define stub_MeasureText (MeasureText_t)stub_noop
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#define stub_GetEmbedSize (GetEmbedSize_t)stub_noop
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#define stub_GetJavaAppSize (GetJavaAppSize_t)stub_noop
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#define stub_GetFormElementInfo (GetFormElementInfo_t)stub_noop
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#define stub_GetFormElementValue (GetFormElementValue_t)stub_noop
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#define stub_ResetFormElement (ResetFormElement_t)stub_noop
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#define stub_SetFormElementToggle (SetFormElementToggle_t)stub_noop
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#define stub_FreeFormElement (FreeFormElement_t)stub_noop
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#define stub_FreeImageElement (FreeImageElement_t)stub_noop
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#define stub_FreeEmbedElement (FreeEmbedElement_t)stub_noop
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#define stub_FreeJavaAppElement (FreeJavaAppElement_t)stub_noop
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#define stub_CreateEmbedWindow (CreateEmbedWindow_t)stub_noop
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#define stub_SaveEmbedWindow (SaveEmbedWindow_t)stub_noop
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#define stub_RestoreEmbedWindow (RestoreEmbedWindow_t)stub_noop
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#define stub_DestroyEmbedWindow (DestroyEmbedWindow_t)stub_noop
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#define stub_HideJavaAppElement (HideJavaAppElement_t)stub_noop
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#define stub_FreeEdgeElement (FreeEdgeElement_t)stub_noop
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#define stub_FormTextIsSubmit (FormTextIsSubmit_t)stub_noop
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#define stub_DisplaySubtext (DisplaySubtext_t)stub_noop
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#define stub_DisplayText (DisplayText_t)stub_noop
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#define stub_DisplayImage (DisplayImage_t)stub_noop
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#define stub_DisplayEmbed (DisplayEmbed_t)stub_noop
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#define stub_DisplayJavaApp (DisplayJavaApp_t)stub_noop
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#define stub_DisplaySubImage (DisplaySubImage_t)stub_noop
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#define stub_DisplayEdge (DisplayEdge_t)stub_noop
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#define stub_DisplayTable (DisplayTable_t)stub_noop
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#define stub_DisplayCell (DisplayCell_t)stub_noop
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#define stub_InvalidateEntireTableOrCell (InvalidateEntireTableOrCell_t)stub_noop
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#define stub_DisplayAddRowOrColBorder (DisplayAddRowOrColBorder_t)stub_noop
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#define stub_DisplaySubDoc (DisplaySubDoc_t)stub_noop
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#define stub_DisplayLineFeed (DisplayLineFeed_t)stub_noop
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#define stub_DisplayHR (DisplayHR_t)stub_noop
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#define stub_DisplayBullet (DisplayBullet_t)stub_noop
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#define stub_DisplayFormElement (DisplayFormElement_t)stub_noop
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#define stub_DisplayBorder (DisplayBorder_t)stub_noop
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#define stub_UpdateEnableStates (UpdateEnableStates_t)stub_noop
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#define stub_DisplayFeedback (DisplayFeedback_t)stub_noop
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#define stub_ClearView (ClearView_t)stub_noop
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#define stub_SetDocDimension (SetDocDimension_t)stub_noop
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#define stub_SetDocPosition (SetDocPosition_t)stub_noop
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#define stub_GetDocPosition (GetDocPosition_t)stub_noop
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#define stub_BeginPreSection (BeginPreSection_t)stub_noop
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#define stub_EndPreSection (EndPreSection_t)stub_noop
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#define stub_SetProgressBarPercent (SetProgressBarPercent_t)stub_noop
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#define stub_SetBackgroundColor (SetBackgroundColor_t)stub_noop
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#define stub_Progress (Progress_t)stub_noop
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#define stub_Alert (Alert_t)stub_noop
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#define stub_SetCallNetlibAllTheTime (SetCallNetlibAllTheTime_t)stub_noop
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#define stub_ClearCallNetlibAllTheTime (ClearCallNetlibAllTheTime_t)stub_noop
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#define stub_GraphProgressInit (GraphProgressInit_t)stub_GraphProgressInit
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#define stub_GraphProgressDestroy (GraphProgressDestroy_t)stub_GraphProgressDestroy
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#define stub_GraphProgress (GraphProgress_t)stub_GraphProgress
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#define stub_UseFancyFTP (UseFancyFTP_t)stub_noop
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#define stub_UseFancyNewsgroupListing (UseFancyNewsgroupListing_t)stub_noop
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#define stub_FileSortMethod (FileSortMethod_t)stub_noop
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#define stub_ShowAllNewsArticles (ShowAllNewsArticles_t)stub_noop
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#define stub_Confirm (Confirm_t)stub_noop
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#define stub_Prompt (Prompt_t)stub_noop
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#define stub_PromptWithCaption (PromptWithCaption_t)stub_noop
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#define stub_PromptUsernameAndPassword (PromptUsernameAndPassword_t)stub_noop
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#define stub_PromptPassword (PromptPassword_t)stub_noop
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#define stub_EnableClicking (EnableClicking_t)stub_noop
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#define stub_AllConnectionsComplete (AllConnectionsComplete_t)stub_noop
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#define stub_ImageSize (ImageSize_t)stub_noop
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#define stub_ImageData (ImageData_t)stub_noop
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#define stub_ImageIcon (ImageIcon_t)stub_noop
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#define stub_ImageOnScreen (ImageOnScreen_t)stub_noop
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#define stub_SetColormap (SetColormap_t)stub_noop
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#ifdef LAYERS
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#define stub_EraseBackground (EraseBackground_t)stub_noop
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#define stub_SetDrawable (SetDrawable_t)stub_noop
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#define stub_GetTextFrame (GetTextFrame_t)stub_noop
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#define stub_SetClipRegion (SetClipRegion_t)stub_noop
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#define stub_SetOrigin (SetOrigin_t)stub_noop
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#define stub_GetOrigin (GetOrigin_t)stub_noop
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#define stub_GetTextFrame (GetTextFrame_t)stub_noop
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#endif
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#define stub_GetDefaultBackgroundColor (GetDefaultBackgroundColor_t)stub_noop
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#define stub_LoadFontResource (LoadFontResource_t)stub_noop
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#define stub_DrawJavaApp (DrawJavaApp_t)stub_noop
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#define stub_HandleClippingView (HandleClippingView_t)stub_noop
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/* Just reuse the same set of context functions: */
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ContextFuncs stub_context_funcs;
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MWContext *new_stub_context()
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{
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static int funcsInitialized = 0;
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MWContext *context;
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if (!funcsInitialized) {
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#define MAKE_FE_FUNCS_PREFIX(f) stub_##f
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#define MAKE_FE_FUNCS_ASSIGN stub_context_funcs.
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#include "mk_cx_fn.h"
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funcsInitialized = 1;
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}
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context = (MWContext *)calloc(sizeof(struct MWContext_), 1);
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context->funcs = &stub_context_funcs;
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context->type = MWContextBrowser;
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return context;
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}
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void free_stub_context(MWContext *window_id)
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{
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TRACEMSG(("Freeing stub context...\n"));
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free(window_id);
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}
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/****************************************************************************/
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/* End of MWContext Evil!!! */
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/****************************************************************************/
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nsConnectionInfo *GetConnectionInfoFromStream(NET_StreamClass *stream)
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{
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URL_Struct *URL_s = (URL_Struct *)stream->data_object;
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return (URL_s) ? (nsConnectionInfo *)URL_s->fe_data : NULL;
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}
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/*
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* Define a NET_StreamClass which pushes its data into an nsIStream
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* and fires off notifications through the nsIStreamListener interface
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*/
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void stub_complete(NET_StreamClass *stream)
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{
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URL_Struct *URL_s = (URL_Struct *)stream->data_object;
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nsConnectionInfo *pConn = GetConnectionInfoFromStream(stream);
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TRACEMSG(("+++ stream complete.\n"));
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/* Close the stream and remove it from the ConnectionInfo... */
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pConn->pNetStream->Close();
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pConn->pNetStream->Release();
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pConn->pNetStream = NULL;
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/* Notify the Data Consumer that the Binding has completed... */
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if (pConn->pConsumer) {
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pConn->pConsumer->OnStopBinding(NS_BINDING_SUCCEEDED, nsnull);
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pConn->pConsumer->Release();
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pConn->pConsumer = NULL;
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}
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/* Release the URL_Struct hanging off of the data_object */
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stream->data_object = NULL;
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NET_DropURLStruct(URL_s);
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}
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void stub_abort(NET_StreamClass *stream, int status)
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{
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URL_Struct *URL_s = (URL_Struct *)stream->data_object;
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nsConnectionInfo *pConn = GetConnectionInfoFromStream(stream);
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TRACEMSG(("+++ stream abort. Status = %d\n", status));
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/* Close the stream and remove it from the ConnectionInfo... */
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pConn->pNetStream->Close();
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pConn->pNetStream->Release();
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pConn->pNetStream = NULL;
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/* Notify the Data Consumer that the Binding has completed... */
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/*
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* XXX: Currently, there is no difference between complete and
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* abort...
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*/
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if (pConn->pConsumer) {
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pConn->pConsumer->OnStopBinding(NS_BINDING_ABORTED, nsnull);
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pConn->pConsumer->Release();
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pConn->pConsumer = NULL;
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}
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/* Release the URL_Struct hanging off of the data_object */
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stream->data_object = NULL;
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NET_DropURLStruct(URL_s);
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}
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int stub_put_block(NET_StreamClass *stream, const char *buffer, int32 length)
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{
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PRInt32 bytesWritten, errorCode;
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nsConnectionInfo *pConn = GetConnectionInfoFromStream(stream);
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TRACEMSG(("+++ stream put_block. Length = %d\n", length));
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/*
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* XXX: Sometimes put_block(...) will be called without having
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* called is_write_ready(...) first. Once case is when a stream
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* is interrupted... In this case, Netlib will call put_block(...)
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* with the string "Transfer Interrupted!"
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*/
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bytesWritten = pConn->pNetStream->Write(&errorCode, buffer, 0, length);
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/* Abort the connection... */
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if (NS_INPUTSTREAM_EOF == errorCode) {
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return -1;
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}
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/* XXX: check return value to abort connection if necessary */
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if (pConn->pConsumer && (0 < bytesWritten)) {
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pConn->pConsumer->OnDataAvailable(pConn->pNetStream, bytesWritten);
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}
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return (bytesWritten == length);
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}
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unsigned int stub_is_write_ready(NET_StreamClass *stream)
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{
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PRInt32 errorCode;
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unsigned int free_space = 0;
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URL_Struct *URL_s = (URL_Struct *)stream->data_object;
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nsConnectionInfo *pConn = GetConnectionInfoFromStream(stream);
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free_space = (unsigned int)pConn->pNetStream->GetAvailableSpace(&errorCode);
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/*
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* If the InputStream has been closed... Return 1 byte available so
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* Netlib will call put_block(...) one more time...
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*/
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if (NS_INPUTSTREAM_EOF == errorCode) {
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free_space = 1;
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}
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TRACEMSG(("+++ stream is_write_ready. Returning %d\n", free_space));
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return free_space;
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}
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extern "C" {
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/*
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*Find a converter routine to create a stream and return the stream struct
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*/
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PUBLIC NET_StreamClass *
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NET_StreamBuilder (FO_Present_Types format_out,
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URL_Struct *URL_s,
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MWContext *context)
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{
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// MOZ_FUNCTION_STUB;
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NET_StreamClass *stream = NULL;
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PRBool bSuccess = PR_TRUE;
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/*
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* Only create a stream if an nsConnectionInfo object is
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* available from the fe_data...
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*/
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if (NULL != URL_s->fe_data) {
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stream = (NET_StreamClass *)calloc(sizeof(NET_StreamClass), 1);
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if (NULL != stream) {
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nsConnectionInfo *pConn;
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/*
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* Initialize the NET_StreamClass instance...
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*/
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stream->name = "Stub Stream";
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stream->window_id = context;
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stream->complete = stub_complete;
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stream->abort = stub_abort;
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stream->put_block = stub_put_block;
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stream->is_write_ready = stub_is_write_ready;
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/*
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* Retrieve the nsConnectionInfo object from the fe_data field
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* of the URL_Struct...
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*/
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pConn = (nsConnectionInfo *)URL_s->fe_data;
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/*
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* If the URL address has been rewritten by netlib then update
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* the cached info in the URL object...
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*/
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if ((URL_s->address_modified) && (NULL != pConn->pURL)) {
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pConn->pURL->Set(NET_URLStruct_Address(URL_s));
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}
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/*
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* Create an Async stream unless a blocking stream is already
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* available in the ConnectionInfo...
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*/
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if (NULL == pConn->pNetStream) {
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pConn->pNetStream = new nsAsyncStream(8192);
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if (NULL == pConn->pNetStream) {
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free(stream);
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return NULL;
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}
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pConn->pNetStream->AddRef();
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}
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/* Hang the URL_Struct off of the NET_StreamClass */
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NET_HoldURLStruct(URL_s);
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stream->data_object = URL_s;
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/* Notify the data consumer that Binding is beginning...*/
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/* XXX: check result to terminate connection if necessary */
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printf("+++ Created a stream for %s\n", URL_s->address);
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if (pConn->pConsumer) {
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pConn->pConsumer->OnStartBinding();
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}
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}
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}
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return stream;
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}
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}; /* extern "C" */
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