htmlcontrol-for-symbian

#include <Uri16.h> #include <eikenv.h> #include "htmlcontrol.hrh" #ifdef __SERIES60__ #include <aknutils.h> #include <AknsConstants.hrh> #include <AknsConstants.h> #ifdef __SERIES60_3_ONWARDS__ #include <akniconutils.h> #endif #endif #include "controlimpl.h" #include "elementimpl.h" #include "htmlctlenv.h" #include "htmlparser.h" #include "imagepool.h" #include "utils.h" #include "element_div.h" #include "element_hr.h" #include "element_img.h" #include "element_input.h" #include "element_select.h" #include "element_a.h" #include "element_text.h" #include "element_textarea.h" #include "element_object.h" #include "element_p.h" #include "element_form.h" _LIT(KHStrComment,"!--"); CHtmlParser* CHtmlParser::NewL() { CHtmlParser* self = new (ELeave)CHtmlParser(); CleanupStack::PushL(self); self->ConstructL(); CleanupStack::Pop(self); return self; } CHtmlParser::~CHtmlParser() { iBlocks.Close(); } void CHtmlParser::ConstructL() { } void CHtmlParser::AppendBrL(TBool aForce) { if(iCurrent->TypeId()!=EElementTypeText || ((CHtmlElementText*)iCurrent)->iStandAlone) { if(!aForce && iCurrent==iHead) return; AppendElementL(KNullDesC, new (ELeave)CHtmlElementText(iHead->Owner())); THcTextStyle style = iTextStyle; style.Add(iFontStyle); if(iFlags & KParserFlagsIgnoreFontSize) style.Clear(THcTextStyle::ESize); ((CHtmlElementText*)iCurrent)->AppendTextL(style, NULL); } else { if(!aForce && ((CHtmlElementText*)iCurrent)->IsEndingWithBr()) return; ((CHtmlElementText*)iCurrent)->AppendTextL(iTextStyle, NULL); } } void CHtmlParser::AppendTextL(const TDesC& aText, TBool aRaw) { HBufC* text; if(!aRaw) { text = aText.AllocL(); CleanupStack::PushL(text); TPtr textp = text->Des(); HcUtils::TrimRedundant(textp); if(text->Length()>0 && (text->Length()>1 || !(TChar((*text)[0]).IsSpace()))) { HBufC* text2 = HcUtils::DecodeHttpCharactersL(*text); CleanupStack::PopAndDestroy(); text = text2; } else { CleanupStack::PopAndDestroy(); return; } } else text = aText.Alloc(); CleanupStack::PushL(text); if(iCurrent->TypeId()!=EElementTypeText || ((CHtmlElementText*)iCurrent)->iStandAlone) AppendElementL(KNullDesC, new (ELeave)CHtmlElementText(iHead->Owner())); THcTextStyle style = iTextStyle; style.Add(iFontStyle); if(iFlags & KParserFlagsIgnoreFontSize) style.Clear(THcTextStyle::ESize); ((CHtmlElementText*)iCurrent)->AppendTextL(style, text); CleanupStack::Pop(); } void CHtmlParser::AppendElementL(const TDesC& aSource, CHtmlElementImpl* aNewElement) { if(iBlocks.Count()==0) aNewElement->iParent = iHead->iParent; else aNewElement->iParent = iBlocks.Top(); iCurrent->iNext = aNewElement; aNewElement->iPrev = iCurrent; iCurrent = aNewElement; HtmlParser::ParseTag(aSource, iCurrent); } void CHtmlParser::RemoveDiv(CHtmlElementDiv* aDiv) { if(aDiv->iStyle.IsInvisibleStyle()) { CHtmlElementImpl* e = aDiv->iNext; CHtmlElementImpl* n; while(e!=aDiv->iEnd) { n = e->iNext; delete e; e = n; } aDiv->iNext = aDiv->iEnd; aDiv->iEnd->iPrev = aDiv; } else { CHtmlElementImpl* e = aDiv->iNext; while(e!=aDiv->iEnd) { e->iParent = aDiv->iParent; e = e->iNext; } } if(aDiv->iNext!=aDiv->iEnd) { iCurrent = aDiv->iEnd->iPrev; iCurrent->iNext = NULL; aDiv->iPrev->iNext = aDiv->iNext; aDiv->iNext->iPrev = aDiv->iPrev; } else { iCurrent = aDiv->iPrev; iCurrent->iNext = NULL; } delete aDiv->iEnd; delete aDiv; } void CHtmlParser::ParseL(const TDesC& aSource, CHtmlElementImpl* aHead, TInt aFlags) { TInt pos = 0, pos2, length, tagType; TBuf<50> name; TBuf<50> waitingEndTag; TPtrC tagSource; TInt skipText = 0; CHtmlElementImpl* packElement = NULL; CHtmlElementA* link = NULL; CHtmlElementForm* form = NULL; iFlags = aFlags; iCurrent = aHead; iHead = aHead; iBlocks.Reset(); iTextStyle.ClearAll(); iFontStyle.ClearAll(); RHcStack<CHtmlElementP*> PStack; CleanupClosePushL(PStack); while((pos2=HcUtils::EnumTag(aSource, pos, name, length, tagType))!=KErrNotFound) { name.LowerCase(); if(waitingEndTag.Length()>0) { if(tagType==1 && name.Compare(waitingEndTag)==0) waitingEndTag.Zero(); pos = pos2 + length; continue; } if(pos!=pos2 && skipText==0) AppendTextL(aSource.Mid(pos, pos2 - pos), EFalse); tagSource.Set(aSource.Mid(pos2, length)); if(name.Compare(KHStrB)==0 || name.Compare(KHStrStrong)==0) { if(tagType==0) iTextStyle.Set(THcTextStyle::EBold); else if(tagType==1) iTextStyle.Clear(THcTextStyle::EBold); } else if(name.Compare(KHStrI)==0) { if(tagType==0) iTextStyle.Set(THcTextStyle::EItalics); else iTextStyle.Clear(THcTextStyle::EItalics); } else if(name.Compare(KHStrU)==0) { if(tagType==0) iTextStyle.Set(THcTextStyle::EUnderline); else iTextStyle.Clear(THcTextStyle::EUnderline); } else if(name.Compare(KHStrSub)==0) { if(tagType==0) iTextStyle.Set(THcTextStyle::ESub); else if(tagType==1) iTextStyle.C