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Diffstat (limited to 'src/modules/objects/KvsObject_webView.cpp')
| -rw-r--r-- | src/modules/objects/KvsObject_webView.cpp | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/src/modules/objects/KvsObject_webView.cpp b/src/modules/objects/KvsObject_webView.cpp new file mode 100644 index 000000000..f68013ed2 --- /dev/null +++ b/src/modules/objects/KvsObject_webView.cpp @@ -0,0 +1,414 @@ +//============================================================================= +// +// File : KvsObject_webView.cpp +// Creation date : Wed Mar 9 23:34:48 CEST 2011 +// by Alessandro Carbone(Noldor) +// +// This file is part of the KVIrc irc client distribution +// Copyright (C) 2011 Alessandro Carbone (elfonol at gmail dot com) +// +// This program is FREE software. You can redistribute it and/or +// modify it under the terms of the GNU General Public License +// as published by the Free Software Foundation; either version 2 +// of the License, or (at your opinion) any later version. +// +// This program is distributed in the HOPE that it will be USEFUL, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +// See the GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, write to the Free Software Foundation, +// Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +// +//============================================================================= +// + +#include "kvi_settings.h" +#ifdef COMPILE_WEBKIT_SUPPORT +#include <QtWebKit/QWebView> +#include <QWebElement> +#include <QPixmap> +#include <QSize> +#include "KvsObject_webView.h" +#include "KvsObject_pixmap.h" +#include "KviError.h" +#include "kvi_debug.h" +#include "KviLocale.h" + +/* + @doc: webview + @keyterms: + An embedded webview widget, + @title: + + @type: + class + @short: + Provides web support in a widget using webkit. + @inherits: + [class]object[/class] + [class]widget[/class] + @description: + + @functions: + !fn: $load() + +*/ + + +KVSO_BEGIN_REGISTERCLASS(KvsObject_webView,"webview","widget") + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,load) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,frames) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,firstChild) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,findAll) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,findFirst) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,pushCurrentToStack) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,popCurrentFromStack) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,clearElementStack) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,parentElement) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,nextSibling) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,currentElementTagName) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,moveToQueryResultsAt) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,elementStackCount) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,queryResultsCount) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,getDocumentElement) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,attributeNames) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,attribute) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,makePreview) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,toPlainText) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,setAttribute) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,loadFinishedEvent) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,loadProgressEvent) + KVSO_REGISTER_HANDLER_BY_NAME(KvsObject_webView,loadStartedEvent) +KVSO_END_REGISTERCLASS(KvsObject_webView) + +KVSO_BEGIN_CONSTRUCTOR(KvsObject_webView,KviKvsObject) + +KVSO_END_CONSTRUCTOR(KvsObject_webView) + + +KVSO_BEGIN_DESTRUCTOR(KvsObject_webView) +lStack.clear(); +KVSO_END_CONSTRUCTOR(KvsObject_webView) + +bool KvsObject_webView::init(KviKvsRunTimeContext * ,KviKvsVariantList *) +{ + SET_OBJECT(QWebView); + // fixme: this is for testing purpose only + ((QWebView *)widget())->settings()->setAttribute(QWebSettings::PluginsEnabled,true); + // + connect(((QWebView *)widget()),SIGNAL(loadStarted()),this,SLOT(slotLoadStarted())); + connect(((QWebView *)widget()),SIGNAL(loadFinished(bool)),this,SLOT(slotLoadFinished(bool))); + connect(((QWebView *)widget()),SIGNAL(loadProgress(int)),this,SLOT(slotLoadProgress(int))); + return true; +} +void KvsObject_webView::getFrames(QWebFrame *pFrame,KviKvsArray *pArray, kvs_uint_t &uIdx) +{ + m_dictFrames.insert(pFrame->title(),pFrame); + pArray->set(uIdx,new KviKvsVariant(pFrame->title())); + uIdx++; + QList<QWebFrame *> lFrames = pFrame->childFrames(); + for(int i=0;i<lFrames.count();i++) + { + QWebFrame *pChildFrame = lFrames.at(i); + if (pChildFrame->childFrames().count()) getFrames(pChildFrame,pArray,uIdx); + else + { + pArray->set(uIdx,new KviKvsVariant(pChildFrame->title())); + uIdx++; + } + } +} + +KVSO_CLASS_FUNCTION(webView,load) +{ + CHECK_INTERNAL_POINTER(widget()) + QString szUrl; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("text",KVS_PT_STRING,0,szUrl) + KVSO_PARAMETERS_END(c) + ((QWebView *)widget())->load(QUrl(szUrl)); + return true; +} +KVSO_CLASS_FUNCTION(webView,makePreview) +{ + CHECK_INTERNAL_POINTER(widget()) + QSize size=((QWebView *)widget())->page()->mainFrame()->contentsSize(); + qDebug("contents size %d - %d",size.width(),size.height()); + QImage image(212,142, QImage::Format_RGB32); + QWebFrame *pFrame=((QWebView *)widget())->page()->mainFrame(); + QPainter painter(&image); + painter.setRenderHint(QPainter::Antialiasing, true); + painter.setRenderHint(QPainter::TextAntialiasing, true); + painter.setRenderHint(QPainter::SmoothPixmapTransform, true); + painter.setClipRect(0,0,size.width(),768); + painter.scale(0.20,0.34); + pFrame->documentElement().render(&painter); + painter.end(); + QPixmap *pPixmap=new QPixmap(); + *pPixmap=pPixmap->fromImage(image); + KviKvsObjectClass * pClass = KviKvsKernel::instance()->objectController()->lookupClass("pixmap"); + KviKvsVariantList params; + KviKvsObject * pObject = pClass->allocateInstance(0,"internalpixmap",c->context(),¶ms); + ((KvsObject_pixmap *)pObject)->setInternalPixmap(pPixmap); + c->returnValue()->setHObject(pObject->handle()); + return true; +} +KVSO_CLASS_FUNCTION(webView,findAll) +{ + CHECK_INTERNAL_POINTER(widget()) + QString szQuery; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("query",KVS_PT_STRING,0,szQuery) + KVSO_PARAMETERS_END(c) + m_webElementCollection=m_currentElement.findAll(szQuery); + return true; +} +KVSO_CLASS_FUNCTION(webView,findFirst) +{ + QString szQuery; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("query",KVS_PT_STRING,0,szQuery) + KVSO_PARAMETERS_END(c) + QWebElement tempElement=m_currentElement.findFirst(szQuery); + if(!tempElement.isNull()) + { + m_currentElement=tempElement; + c->returnValue()->setBoolean(true); + } + else c->returnValue()->setBoolean(false); + + return true; +} +KVSO_CLASS_FUNCTION(webView,moveToQueryResultsAt) +{ + CHECK_INTERNAL_POINTER(widget()) + kvs_int_t iIdx; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("index",KVS_PT_INTEGER,0,iIdx) + KVSO_PARAMETERS_END(c) + m_currentElement=m_webElementCollection.at(iIdx); + return true; +} +KVSO_CLASS_FUNCTION(webView,elementStackCount) +{ + CHECK_INTERNAL_POINTER(widget()) + c->returnValue()->setInteger((kvs_int_t) lStack.count()); + return true; +} +KVSO_CLASS_FUNCTION(webView,clearElementStack) +{ + Q_UNUSED(c); + lStack.clear(); + return true; +} + +KVSO_CLASS_FUNCTION(webView,queryResultsCount) +{ + CHECK_INTERNAL_POINTER(widget()) + c->returnValue()->setInteger((kvs_int_t) m_webElementCollection.count()); + return true; +} +KVSO_CLASS_FUNCTION(webView,pushCurrentToStack) +{ + Q_UNUSED(c); + lStack.append(m_currentElement); + return true; +} +KVSO_CLASS_FUNCTION(webView,popCurrentFromStack) +{ + if(!lStack.isEmpty()) + m_currentElement = lStack.takeLast(); + else c->warning(__tr2qs_ctx("Stack is empty","objects")); + return true; +} +KVSO_CLASS_FUNCTION(webView,frames) +{ + CHECK_INTERNAL_POINTER(widget()) + m_dictFrames.clear(); + QWebFrame *pFrame=((QWebView *)widget())->page()->mainFrame(); + KviKvsArray *pArray=new KviKvsArray(); + kvs_uint_t uIdx=0; + getFrames(pFrame,pArray,uIdx); + c->returnValue()->setArray(pArray); + return true; +} +KVSO_CLASS_FUNCTION(webView,currentElementTagName) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + c->returnValue()->setString(m_currentElement.tagName()); + return true; +} + +KVSO_CLASS_FUNCTION(webView,setAttribute) +{ + CHECK_INTERNAL_POINTER(widget()) + QString szName,szValue; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("name",KVS_PT_NONEMPTYSTRING,0,szName) + KVSO_PARAMETER("value",KVS_PT_STRING,0,szValue) + KVSO_PARAMETERS_END(c) + m_currentElement.setAttribute(szName,szValue); + return true; +} +KVSO_CLASS_FUNCTION(webView,attribute) +{ + CHECK_INTERNAL_POINTER(widget()) + QString szName; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("name",KVS_PT_NONEMPTYSTRING,0,szName) + KVSO_PARAMETERS_END(c) + c->returnValue()->setString(m_currentElement.attribute(szName)); + return true; +} +KVSO_CLASS_FUNCTION(webView,attributeNames) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + QString szAttributeNames; + szAttributeNames=m_currentElement.attributeNames().join(","); + c->returnValue()->setString(szAttributeNames); + return true; +} + +KVSO_CLASS_FUNCTION(webView,toPlainText) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + c->returnValue()->setString(m_currentElement.toPlainText()); + return true; +} + +KVSO_CLASS_FUNCTION(webView,firstChild) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + if (!m_currentElement.firstChild().isNull()) + { + m_currentElement=m_currentElement.firstChild(); + c->returnValue()->setBoolean(true); + return true; + } + c->returnValue()->setBoolean(false); + return true; +} +KVSO_CLASS_FUNCTION(webView,parentElement) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + QWebElement element=m_currentElement.parent(); + if (!element.isNull()) + { + m_currentElement=element; + c->returnValue()->setBoolean(true); + return true; + } + c->returnValue()->setBoolean(false); + return true; +} +KVSO_CLASS_FUNCTION(webView,nextSibling) +{ + CHECK_INTERNAL_POINTER(widget()) + if(m_currentElement.isNull()) + { + c->warning(__tr2qs_ctx("Document element is null: you must call getDocumentElement first","objects")); + return true; + } + QWebElement element=m_currentElement.nextSibling(); + if (!element.isNull()) + { + m_currentElement=element; + c->returnValue()->setBoolean(true); + return true; + } + c->returnValue()->setBoolean(false); + return true; +} + + +KVSO_CLASS_FUNCTION(webView,getDocumentElement) +{ + CHECK_INTERNAL_POINTER(widget()) + QString szFrameName; + KVSO_PARAMETERS_BEGIN(c) + KVSO_PARAMETER("frame_name",KVS_PT_STRING,KVS_PF_OPTIONAL,szFrameName) + KVSO_PARAMETERS_END(c) + QWebFrame *pFrame; + if(szFrameName.isEmpty()) + pFrame=((QWebView *)widget())->page()->mainFrame(); + else{ + pFrame=m_dictFrames.value(szFrameName); + if(!pFrame) + { + c->warning(__tr2qs_ctx("Unknown frame '%Q'","objects"),&szFrameName); + return true; + } + } + m_currentElement=pFrame->documentElement(); + // m_documentElement=m_currentElement; + return true; +} + + + +KVSO_CLASS_FUNCTION(webView,loadFinishedEvent) +{ + emitSignal("loadFinished",c,c->params()); + return true; +} + +KVSO_CLASS_FUNCTION(webView,loadProgressEvent) +{ + emitSignal("loadProgress",c,c->params()); + return true; +} +KVSO_CLASS_FUNCTION(webView,loadStartedEvent) +{ + emitSignal("loadStarted",c); + return true; +} + +// slots +void KvsObject_webView::slotLoadFinished(bool bOk) +{ + if (bOk) + m_currentElement=((QWebView *)widget())->page()->mainFrame()->documentElement(); + KviKvsVariantList params(new KviKvsVariant(bOk)); + callFunction(this,"loadFinishedEvent",¶ms); +} + +void KvsObject_webView::slotLoadStarted() +{ + KviKvsVariantList *lParams=0; + callFunction(this,"loadStartedEvent",lParams); +} +void KvsObject_webView::slotLoadProgress(int iProgress) +{ + KviKvsVariantList params(new KviKvsVariant((kvs_int_t) iProgress)); + callFunction(this,"loadProgressEvent" ,¶ms); +} + +#endif + |