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670 lines
21 KiB
670 lines
21 KiB
/*
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* Copyright (C) 2015-2022 Département de l'Instruction Publique (DIP-SEM)
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*
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* Copyright (C) 2013 Open Education Foundation
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*
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* Copyright (C) 2010-2013 Groupement d'Intérêt Public pour
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* l'Education Numérique en Afrique (GIP ENA)
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*
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* This file is part of OpenBoard.
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*
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* OpenBoard is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License,
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* with a specific linking exception for the OpenSSL project's
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* "OpenSSL" library (or with modified versions of it that use the
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* same license as the "OpenSSL" library).
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*
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* OpenBoard is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with OpenBoard. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <QtGui>
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#include <QDomDocument>
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#include <QXmlQuery>
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#include <QWebFrame>
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#include <QWebElementCollection>
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#include "frameworks/UBPlatformUtils.h"
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#include "UBWebController.h"
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#include "UBOEmbedParser.h"
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#include "UBTrapFlashController.h"
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#include "web/browser/WBBrowserWindow.h"
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#include "web/browser/WBWebView.h"
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#include "web/browser/WBDownloadManager.h"
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#include "web/browser/WBTabWidget.h"
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#include "network/UBServerXMLHttpRequest.h"
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#include "network/UBNetworkAccessManager.h"
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#include "gui/UBWidgetMirror.h"
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#include "gui/UBMainWindow.h"
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#include "gui/UBWebToolsPalette.h"
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#include "gui/UBKeyboardPalette.h"
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#include "core/UBSettings.h"
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#include "core/UBSetting.h"
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#include "core/UBApplication.h"
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#include "core/UBApplicationController.h"
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#include "core/UBDisplayManager.h"
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#include "board/UBBoardController.h"
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#include "board/UBDrawingController.h"
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#include "domain/UBGraphicsScene.h"
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#include "desktop/UBCustomCaptureWindow.h"
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#include "board/UBBoardPaletteManager.h"
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#include "core/memcheck.h"
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UBWebController::UBWebController(UBMainWindow* mainWindow)
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: QObject(mainWindow->centralWidget())
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, mMainWindow(mainWindow)
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, mCurrentWebBrowser(0)
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, mBrowserWidget(0)
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, mTrapFlashController(0)
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, mToolsCurrentPalette(0)
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, mToolsPalettePositionned(false)
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, mDownloadViewIsVisible(false)
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{
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connect(&mOEmbedParser, SIGNAL(oembedParsed(QVector<sOEmbedContent>)), this, SLOT(onOEmbedParsed(QVector<sOEmbedContent>)));
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// TODO : Comment the next line to continue the Youtube button bugfix
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initialiazemOEmbedProviders();
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connect(mMainWindow->actionOpenTutorial,SIGNAL(triggered()),this, SLOT(onOpenTutorial()));
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}
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UBWebController::~UBWebController()
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{
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// NOOP
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}
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void UBWebController::onOpenTutorial()
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{
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loadUrl(QUrl(UBSettings::settings()->tutorialUrl->get().toString()));
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}
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void UBWebController::initialiazemOEmbedProviders()
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{
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mOEmbedProviders << "5min.com";
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mOEmbedProviders << "amazon.com";
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mOEmbedProviders << "flickr";
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mOEmbedProviders << "video.google.";
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mOEmbedProviders << "hulu.com";
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mOEmbedProviders << "imdb.com";
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mOEmbedProviders << "metacafe.com";
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mOEmbedProviders << "qik.com";
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mOEmbedProviders << "slideshare";
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mOEmbedProviders << "5min.com";
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mOEmbedProviders << "twitpic.com";
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mOEmbedProviders << "viddler.com";
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mOEmbedProviders << "vimeo.com";
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mOEmbedProviders << "wikipedia.org";
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mOEmbedProviders << "wordpress.com";
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mOEmbedProviders << "youtube.com";
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}
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void UBWebController::webBrowserInstance()
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{
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QString webHomePage = UBSettings::settings()->webHomePage->get().toString();
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QUrl currentUrl = WBBrowserWindow::guessUrlFromString(webHomePage);
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if (UBSettings::settings()->webUseExternalBrowser->get().toBool())
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{
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QDesktopServices::openUrl(currentUrl);
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}
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else
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{
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if (!mCurrentWebBrowser)
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{
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mCurrentWebBrowser = new WBBrowserWindow(mMainWindow->centralWidget(), mMainWindow);
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mMainWindow->addWebWidget(mCurrentWebBrowser);
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connect(mCurrentWebBrowser, SIGNAL(activeViewChange(QWidget*)), this, SLOT(setSourceWidget(QWidget*)));
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WBBrowserWindow::downloadManager()->setParent(mCurrentWebBrowser, Qt::Tool);
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UBApplication::app()->insertSpaceToToolbarBeforeAction(mMainWindow->webToolBar, mMainWindow->actionBoard, 32);
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UBApplication::app()->decorateActionMenu(mMainWindow->actionMenu);
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showTabAtTop(UBSettings::settings()->appToolBarPositionedAtTop->get().toBool());
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adaptToolBar();
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mTrapFlashController = new UBTrapFlashController(mCurrentWebBrowser);
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connect(mCurrentWebBrowser, SIGNAL(activeViewPageChanged()), this, SLOT(activePageChanged()));
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mCurrentWebBrowser->loadUrl(currentUrl);
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mCurrentWebBrowser->tabWidget()->tabBar()->show();
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mCurrentWebBrowser->tabWidget()->lineEdits()->show();
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}
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UBApplication::applicationController->setMirrorSourceWidget(mCurrentWebBrowser->paintWidget());
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mMainWindow->switchToWebWidget();
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setupPalettes();
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screenLayoutChanged();
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bool mirroring = UBSettings::settings()->webShowPageImmediatelyOnMirroredScreen->get().toBool();
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UBApplication::mainWindow->actionWebShowHideOnDisplay->setChecked(mirroring);
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mToolsCurrentPalette->show();
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}
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if (mDownloadViewIsVisible)
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WBBrowserWindow::downloadManager()->show();
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}
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void UBWebController::show()
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{
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webBrowserInstance();
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}
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void UBWebController::setSourceWidget(QWidget* pWidget)
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{
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mBrowserWidget = pWidget;
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UBApplication::applicationController->setMirrorSourceWidget(pWidget);
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}
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void UBWebController::trapFlash()
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{
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mTrapFlashController->showTrapFlash();
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activePageChanged();
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}
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void UBWebController::activePageChanged()
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{
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if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
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{
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if (mTrapFlashController && mCurrentWebBrowser->currentTabWebView()->page())
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mTrapFlashController->updateTrapFlashFromPage(mCurrentWebBrowser->currentTabWebView()->page()->currentFrame());
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mMainWindow->actionWebTrap->setChecked(false);
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QUrl latestUrl = mCurrentWebBrowser->currentTabWebView()->url();
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// TODO : Uncomment the next line to continue the youtube button bugfix
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//UBApplication::mainWindow->actionWebOEmbed->setEnabled(hasEmbeddedContent());
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// And remove this line once the previous one is uncommented
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UBApplication::mainWindow->actionWebOEmbed->setEnabled(isOEmbedable(latestUrl));
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UBApplication::mainWindow->actionEduMedia->setEnabled(isEduMedia(latestUrl));
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emit activeWebPageChanged(mCurrentWebBrowser->currentTabWebView());
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}
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}
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bool UBWebController::hasEmbeddedContent()
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{
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bool bHasContent = false;
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if(mCurrentWebBrowser){
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QString html = mCurrentWebBrowser->currentTabWebView()->webPage()->mainFrame()->toHtml();
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// search the presence of "+oembed"
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QString query = "\\+oembed([^>]*)>";
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QRegExp exp(query);
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exp.indexIn(html);
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QStringList results = exp.capturedTexts();
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if(2 <= results.size() && "" != results.at(1)){
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// An embedded content has been found, no need to check the other ones
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bHasContent = true;
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}else{
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QList<QUrl> contentUrls;
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lookForEmbedContent(&html, "embed", "src", &contentUrls);
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lookForEmbedContent(&html, "video", "src", &contentUrls);
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lookForEmbedContent(&html, "object", "data", &contentUrls);
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// TODO: check the hidden iFrame
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if(!contentUrls.empty()){
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bHasContent = true;
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}
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}
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}
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return bHasContent;
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}
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QPixmap UBWebController::captureCurrentPage()
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{
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QPixmap pix;
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if (mCurrentWebBrowser
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&& mCurrentWebBrowser->currentTabWebView()
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&& mCurrentWebBrowser->currentTabWebView()->page()
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&& mCurrentWebBrowser->currentTabWebView()->page()->mainFrame())
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{
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QWebFrame* frame = mCurrentWebBrowser->currentTabWebView()->page()->mainFrame();
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QSize size = frame->contentsSize();
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qDebug() << size;
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QVariant top = frame->evaluateJavaScript("document.getElementsByTagName('body')[0].clientTop");
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QVariant left = frame->evaluateJavaScript("document.getElementsByTagName('body')[0].clientLeft");
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QVariant width = frame->evaluateJavaScript("document.getElementsByTagName('body')[0].clientWidth");
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QVariant height = frame->evaluateJavaScript("document.getElementsByTagName('body')[0].clientHeight");
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QSize vieportSize = mCurrentWebBrowser->currentTabWebView()->page()->viewportSize();
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mCurrentWebBrowser->currentTabWebView()->page()->setViewportSize(frame->contentsSize());
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pix = QPixmap(frame->geometry().width(), frame->geometry().height());
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{
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QPainter p(&pix);
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frame->render(&p);
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}
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if (left.isValid() && top.isValid() && width.isValid() && height.isValid())
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{
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bool okLeft, okTop, okWidth, okHeight;
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int iLeft = left.toInt(&okLeft) * frame->zoomFactor();
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int iTop = top.toInt(&okTop) * frame->zoomFactor();
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int iWidth = width.toInt(&okWidth) * frame->zoomFactor();
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int iHeight = height.toInt(&okHeight) * frame->zoomFactor();
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if(okLeft && okTop && okWidth && okHeight)
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{
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pix = pix.copy(iLeft, iTop, iWidth, iHeight);
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}
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}
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mCurrentWebBrowser->currentTabWebView()->page()->setViewportSize(vieportSize);
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}
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return pix;
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}
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void UBWebController::setupPalettes()
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{
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if(!mToolsCurrentPalette)
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{
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mToolsCurrentPalette = new UBWebToolsPalette(UBApplication::mainWindow);
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UBApplication::boardController->paletteManager()->setCurrentWebToolsPalette(mToolsCurrentPalette);
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#ifndef Q_OS_WIN
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if (UBPlatformUtils::hasVirtualKeyboard() && UBApplication::boardController->paletteManager()->mKeyboardPalette)
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connect(UBApplication::boardController->paletteManager()->mKeyboardPalette, SIGNAL(closed()),
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UBApplication::boardController->paletteManager()->mKeyboardPalette, SLOT(onDeactivated()));
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#endif
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connect(mMainWindow->actionCaptureWebContent, SIGNAL(triggered()), this, SLOT(trapFlash()));
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connect(mMainWindow->actionWebCustomCapture, SIGNAL(triggered()), this, SLOT(customCapture()));
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connect(mMainWindow->actionWebWindowCapture, SIGNAL(triggered()), this, SLOT(captureWindow()));
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connect(mMainWindow->actionWebOEmbed, SIGNAL(triggered()), this, SLOT(captureoEmbed()));
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connect(mMainWindow->actionEduMedia, SIGNAL(triggered()), this, SLOT(captureEduMedia()));
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connect(mMainWindow->actionWebShowHideOnDisplay, SIGNAL(toggled(bool)), this, SLOT(toogleMirroring(bool)));
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connect(mMainWindow->actionWebTrap, SIGNAL(toggled(bool)), this, SLOT(toggleWebTrap(bool)));
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mToolsCurrentPalette->hide();
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mToolsCurrentPalette->adjustSizeAndPosition();
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if (controlView()){
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int left = controlView()->width() - 20 - mToolsCurrentPalette->width();
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int top = (controlView()->height() - mToolsCurrentPalette->height()) / 2;
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mToolsCurrentPalette->setCustomPosition(true);
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mToolsCurrentPalette->move(left, top);
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}
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mMainWindow->actionWebTools->trigger();
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}
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}
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void UBWebController::toggleWebTrap(bool checked)
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{
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if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
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mCurrentWebBrowser->currentTabWebView()->setIsTrapping(checked);
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}
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void UBWebController::captureWindow()
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{
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QPixmap webPagePixmap = captureCurrentPage();
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if (!webPagePixmap.isNull())
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emit imageCaptured(webPagePixmap, true, mCurrentWebBrowser->currentTabWebView()->url());
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}
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void UBWebController::customCapture()
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{
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mToolsCurrentPalette->setVisible(false);
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qApp->processEvents();
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UBCustomCaptureWindow customCaptureWindow(mCurrentWebBrowser);
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customCaptureWindow.show();
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if (customCaptureWindow.execute(getScreenPixmap()) == QDialog::Accepted)
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{
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QPixmap selectedPixmap = customCaptureWindow.getSelectedPixmap();
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emit imageCaptured(selectedPixmap, false, mCurrentWebBrowser->currentTabWebView()->url());
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}
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mToolsCurrentPalette->setVisible(true);
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}
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void UBWebController::toogleMirroring(bool checked)
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{
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UBApplication::applicationController->mirroringEnabled(checked);
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}
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QPixmap UBWebController::getScreenPixmap()
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{
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QDesktopWidget *desktop = QApplication::desktop();
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// we capture the screen in which the mouse is.
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const QRect primaryScreenRect = desktop->screenGeometry(QCursor::pos());
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QCoreApplication::flush ();
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return QPixmap::grabWindow(desktop->winId(),
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primaryScreenRect.x(), primaryScreenRect.y(),
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primaryScreenRect.width(), primaryScreenRect.height());
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}
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void UBWebController::screenLayoutChanged()
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{
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bool hasDisplay = (UBApplication::applicationController &&
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UBApplication::applicationController->displayManager() &&
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UBApplication::applicationController->displayManager()->hasDisplay());
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UBApplication::mainWindow->actionWebShowHideOnDisplay->setVisible(hasDisplay);
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}
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void UBWebController::closing()
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{
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//NOOP
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}
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void UBWebController::adaptToolBar()
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{
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bool highResolution = mMainWindow->width() > 1024;
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mMainWindow->actionWebReload->setVisible(highResolution);
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mMainWindow->actionStopLoading->setVisible(highResolution);
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if(mCurrentWebBrowser )
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mCurrentWebBrowser->adaptToolBar(highResolution);
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}
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void UBWebController::showTabAtTop(bool attop)
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{
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if (mCurrentWebBrowser)
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mCurrentWebBrowser->showTabAtTop(attop);
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}
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void UBWebController::captureoEmbed()
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{
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if ( mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView()){
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// TODO : Uncomment the next lines to continue the youtube button bugfix
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// getEmbeddableContent();
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// And comment from here
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QWebView* webView = mCurrentWebBrowser->currentTabWebView();
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QUrl currentUrl = webView->url();
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if (isOEmbedable(currentUrl))
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{
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UBGraphicsW3CWidgetItem * widget = UBApplication::boardController->activeScene()->addOEmbed(currentUrl);
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if(widget)
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{
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UBApplication::applicationController->showBoard();
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UBDrawingController::drawingController()->setStylusTool(UBStylusTool::Selector);
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}
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}
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// --> Until here
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}
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}
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void UBWebController::lookForEmbedContent(QString* pHtml, QString tag, QString attribute, QList<QUrl> *pList)
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{
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if(NULL != pHtml && NULL != pList){
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QVector<QString> urlsFound;
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// Check for <embed> content
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QRegExp exp(QString("<%0(.*)").arg(tag));
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exp.indexIn(*pHtml);
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QStringList strl = exp.capturedTexts();
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if(2 <= strl.size() && strl.at(1) != ""){
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// Here we call this regular expression:
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// src\s?=\s?['"]([^'"]*)['"]
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// It says: give me all characters that are after src=" (or src = ")
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QRegExp src(QString("%0\\s?=\\s?['\"]([^'\"]*)['\"]").arg(attribute));
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for(int i=1; i<strl.size(); i++){
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src.indexIn(strl.at(i));
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QStringList urls = src.capturedTexts();
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if(2 <= urls.size() && urls.at(1) != "" && !urlsFound.contains(urls.at(1))){
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urlsFound << urls.at(1);
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pList->append(QUrl(urls.at(1)));
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}
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}
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}
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}
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}
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void UBWebController::checkForOEmbed(QString *pHtml)
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{
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mOEmbedParser.parse(*pHtml);
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}
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void UBWebController::getEmbeddableContent()
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{
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// Get the source code of the page
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if(mCurrentWebBrowser){
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QNetworkAccessManager* pNam = mCurrentWebBrowser->currentTabWebView()->webPage()->networkAccessManager();
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if(NULL != pNam){
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QString html = mCurrentWebBrowser->currentTabWebView()->webPage()->mainFrame()->toHtml();
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mOEmbedParser.setNetworkAccessManager(pNam);
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// First, we have to check if there is some oembed content
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checkForOEmbed(&html);
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// Note: The other contents will be verified once the oembed ones have been checked
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}
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}
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}
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void UBWebController::captureEduMedia()
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{
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if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
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{
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QWebView* webView = mCurrentWebBrowser->currentTabWebView();
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QUrl currentUrl = webView->url();
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if (isEduMedia(currentUrl))
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{
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QWebElementCollection objects = webView->page()->currentFrame()->findAllElements("object");
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foreach(QWebElement object, objects)
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{
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foreach(QWebElement param, object.findAll("param"))
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{
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if(param.attribute("name") == "flashvars")
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{
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QString value = param.attribute("value");
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QString midValue;
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QString langValue;
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QString hostValue;
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QStringList flashVars = value.split("&");
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foreach(QString flashVar, flashVars)
|
|
{
|
|
QStringList var = flashVar.split("=");
|
|
|
|
if (var.length() < 2)
|
|
break;
|
|
|
|
if (var.at(0) == "mid")
|
|
midValue = var.at(1);
|
|
else if (var.at(0) == "lang")
|
|
langValue = var.at(1);
|
|
else if (var.at(0) == "host")
|
|
hostValue = var.at(1);
|
|
|
|
}
|
|
|
|
if (midValue.length() > 0 && langValue.length() > 0 && hostValue.length() > 0)
|
|
{
|
|
QString swfUrl = "http://" + hostValue + "/" + langValue + "/fl/" + midValue;
|
|
|
|
UBApplication::boardController->downloadURL(QUrl(swfUrl));
|
|
|
|
UBApplication::applicationController->showBoard();
|
|
UBDrawingController::drawingController()->setStylusTool(UBStylusTool::Selector);
|
|
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
UBApplication::showMessage("Cannot find any reference to eduMedia content");
|
|
}
|
|
}
|
|
|
|
bool UBWebController::isOEmbedable(const QUrl& pUrl)
|
|
{
|
|
QString urlAsString = pUrl.toString();
|
|
|
|
foreach(QString provider, mOEmbedProviders)
|
|
{
|
|
if(urlAsString.contains(provider))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool UBWebController::isEduMedia(const QUrl& pUrl)
|
|
{
|
|
QString urlAsString = pUrl.toString();
|
|
|
|
if (urlAsString.contains("edumedia-sciences.com"))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
void UBWebController::loadUrl(const QUrl& url)
|
|
{
|
|
UBApplication::applicationController->showInternet();
|
|
if (UBSettings::settings()->webUseExternalBrowser->get().toBool())
|
|
|
|
QDesktopServices::openUrl(url);
|
|
else
|
|
mCurrentWebBrowser->loadUrlInNewTab(url);
|
|
|
|
|
|
}
|
|
|
|
|
|
QWebView* UBWebController::createNewTab()
|
|
{
|
|
if (mCurrentWebBrowser)
|
|
UBApplication::applicationController->showInternet();
|
|
|
|
return mCurrentWebBrowser->createNewTab();
|
|
}
|
|
|
|
|
|
void UBWebController::copy()
|
|
{
|
|
if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
|
|
{
|
|
QWebView* webView = mCurrentWebBrowser->currentTabWebView();
|
|
QAction *act = webView->pageAction(QWebPage::Copy);
|
|
if(act)
|
|
act->trigger();
|
|
}
|
|
}
|
|
|
|
|
|
void UBWebController::paste()
|
|
{
|
|
if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
|
|
{
|
|
QWebView* webView = mCurrentWebBrowser->currentTabWebView();
|
|
QAction *act = webView->pageAction(QWebPage::Paste);
|
|
if(act)
|
|
act->trigger();
|
|
}
|
|
}
|
|
|
|
|
|
void UBWebController::cut()
|
|
{
|
|
if (mCurrentWebBrowser && mCurrentWebBrowser->currentTabWebView())
|
|
{
|
|
QWebView* webView = mCurrentWebBrowser->currentTabWebView();
|
|
QAction *act = webView->pageAction(QWebPage::Cut);
|
|
if(act)
|
|
act->trigger();
|
|
}
|
|
}
|
|
|
|
void UBWebController::onOEmbedParsed(QVector<sOEmbedContent> contents)
|
|
{
|
|
QList<QUrl> urls;
|
|
|
|
foreach(sOEmbedContent cnt, contents){
|
|
urls << QUrl(cnt.url);
|
|
}
|
|
|
|
// TODO : Implement this
|
|
//lookForEmbedContent(&html, "embed", "src", &urls);
|
|
//lookForEmbedContent(&html, "video", "src", &contentUrls);
|
|
//lookForEmbedContent(&html, "object", "data", &contentUrls);
|
|
|
|
// TODO: check the hidden iFrame
|
|
|
|
if(!urls.empty()){
|
|
QUrl contentUrl; // The selected content url
|
|
|
|
if(1 == urls.size()){
|
|
contentUrl = urls.at(0);
|
|
}else{
|
|
// TODO : Display a dialog box asking the user which content to get and set contentUrl to the selected content
|
|
|
|
}
|
|
|
|
UBGraphicsW3CWidgetItem * widget = UBApplication::boardController->activeScene()->addOEmbed(contentUrl);
|
|
|
|
if(widget)
|
|
{
|
|
UBApplication::applicationController->showBoard();
|
|
UBDrawingController::drawingController()->setStylusTool(UBStylusTool::Selector);
|
|
}
|
|
}
|
|
}
|
|
|