X-Git-Url: https://gitweb.stoutner.com/?a=blobdiff_plain;f=src%2Fviews%2FBrowserView.cpp;h=2a23d8126ca54b80aa8afdf7747c79be853cacf0;hb=1ce11bc5f6630bf81aa67bdaca411fbea93dc017;hp=591e16aa3ae44361e6f43c70d40b20d51af406fe;hpb=cd1c3d0483b9026736fdcb151d90dda872d8a400;p=PrivacyBrowserPC.git diff --git a/src/views/BrowserView.cpp b/src/views/BrowserView.cpp index 591e16a..2a23d81 100644 --- a/src/views/BrowserView.cpp +++ b/src/views/BrowserView.cpp @@ -23,14 +23,23 @@ #include "ui_BrowserView.h" #include "databases/CookiesDatabase.h" #include "databases/DomainsDatabase.h" +#include "dialogs/SaveDialog.h" #include "filters/MouseEventFilter.h" #include "helpers/SearchEngineHelper.h" #include "helpers/UserAgentHelper.h" #include "interceptors/UrlRequestInterceptor.h" #include "windows/BrowserWindow.h" -// Qt framework headers. +// KDE Framework headers. +#include +#include + +// Qt toolkit headers. #include +#include +#include +#include +#include // Initialize the public static variables. QString BrowserView::webEngineDefaultUserAgent = QStringLiteral(""); @@ -59,6 +68,9 @@ BrowserView::BrowserView(QWidget *parent) : QWidget(parent) // Set the WebEngine page. webEngineViewPointer->setPage(webEnginePagePointer); + // Handle full screen requests. + connect(webEnginePagePointer, SIGNAL(fullScreenRequested(QWebEngineFullScreenRequest)), this, SLOT(fullScreenRequested(QWebEngineFullScreenRequest))); + // Get handles for the aspects of the WebEngine. webEngineHistoryPointer = webEnginePagePointer->history(); webEngineSettingsPointer = webEngineViewPointer->settings(); @@ -73,20 +85,43 @@ BrowserView::BrowserView(QWidget *parent) : QWidget(parent) // Set the local storage filter. webEngineCookieStorePointer->setCookieFilter([this](const QWebEngineCookieStore::FilterRequest &filterRequest) { - // qDebug() << "Page URL: " << filterRequest.firstPartyUrl << ", Local storage URL: " << filterRequest.origin << ", Is third-party: " << filterRequest.thirdParty; + //qDebug().noquote().nospace() << "Page URL: " << filterRequest.firstPartyUrl << ", Local storage URL: " << filterRequest.origin << ", Is third-party: " << filterRequest.thirdParty; // Block all third party local storage requests, including the sneaky ones that don't register a first party URL. if (filterRequest.thirdParty || (filterRequest.firstPartyUrl == QStringLiteral(""))) + { + //qDebug() << "Request blocked."; + + // Return false. return false; + } + /* TODO. Waiting for a solution to . // Check each tab to see if this local storage request should be allowed. for (PrivacyWebEngine *privacyWebEnginePointer : *privacyWebEngineListPointer) { + //qDebug().noquote().nospace() << "Local storage: " << privacyWebEnginePointer->localStorageEnabled << ". WebEngine URL: " << webEngineViewPointer->url().host() << ". Request Host: " << filterRequest.firstPartyUrl.host(); + // Allow this local storage request if it comes from a tab with local storage enabled. if (privacyWebEnginePointer->localStorageEnabled && (webEngineViewPointer->url().host() == filterRequest.firstPartyUrl.host())) + { + //qDebug() << "Request allowed."; + + // Return true. return true; + } + } + */ + + // Allow the request if it is first party and local storage is enabled. + if (!filterRequest.thirdParty && currentPrivacyWebEnginePointer->localStorageEnabled) + { + // Return true. + return true; } + //qDebug() << "Request blocked."; + // Block any remaining local storage requests. return false; }); @@ -132,6 +167,9 @@ BrowserView::BrowserView(QWidget *parent) : QWidget(parent) // Set the URL request interceptor. webEngineProfilePointer->setUrlRequestInterceptor(urlRequestInterceptorPointer); + // Handle file downloads. + connect(webEngineProfilePointer, SIGNAL(downloadRequested(QWebEngineDownloadItem *)), this, SLOT(showSaveDialog(QWebEngineDownloadItem *))); + // Reapply the domain settings when the host changes. connect(urlRequestInterceptorPointer, SIGNAL(applyDomainSettings(QString)), this, SLOT(applyDomainSettingsWithoutReloading(QString))); @@ -187,7 +225,7 @@ void BrowserView::applyApplicationSettings() searchEngineUrl = SearchEngineHelper::getSearchUrl(Settings::searchEngine()); // Emit the update search engine actions signal. - emit updateSearchEngineActions(Settings::searchEngine()); + emit updateSearchEngineActions(Settings::searchEngine(), true); } // This exists as a separate function from `applyDomainSettings()` so it can be listed as a slot and function without the need for a boolean argument. @@ -351,14 +389,12 @@ void BrowserView::applyDomainSettings(const QString &hostname, const bool reload emit updateJavaScriptAction(webEngineSettingsPointer->testAttribute(QWebEngineSettings::JavascriptEnabled)); emit updateLocalStorageAction(currentPrivacyWebEnginePointer->localStorageEnabled); emit updateDomStorageAction(webEngineSettingsPointer->testAttribute(QWebEngineSettings::LocalStorageEnabled)); - emit updateUserAgentActions(webEngineProfilePointer->httpUserAgent()); + emit updateUserAgentActions(webEngineProfilePointer->httpUserAgent(), true); emit updateZoomFactorAction(webEngineViewPointer->zoomFactor()); // Reload the website if requested. if (reloadWebsite) - { webEngineViewPointer->reload(); - } } void BrowserView::applyOnTheFlySearchEngine(QAction *searchEngineActionPointer) @@ -371,6 +407,9 @@ void BrowserView::applyOnTheFlySearchEngine(QAction *searchEngineActionPointer) // Store the search engine string. searchEngineUrl = SearchEngineHelper::getSearchUrl(searchEngineName); + + // Update the search engine actionas. + emit updateSearchEngineActions(searchEngineName, false); } void BrowserView::applyOnTheFlyUserAgent(QAction *userAgentActionPointer) const @@ -384,6 +423,9 @@ void BrowserView::applyOnTheFlyUserAgent(QAction *userAgentActionPointer) const // Apply the user agent. webEngineProfilePointer->setHttpUserAgent(UserAgentHelper::getUserAgentFromTranslatedName(userAgentName)); + // Update the user agent actions. + emit updateUserAgentActions(webEngineProfilePointer->httpUserAgent(), false); + // Reload the website. webEngineViewPointer->reload(); } @@ -434,6 +476,15 @@ void BrowserView::forward() const webEngineViewPointer->forward(); } +void BrowserView::fullScreenRequested(QWebEngineFullScreenRequest fullScreenRequest) const +{ + // Make it so. + emit fullScreenRequested(fullScreenRequest.toggleOn()); + + // Accept the request. + fullScreenRequest.accept(); +} + void BrowserView::home() const { // Load the homepage. @@ -509,7 +560,7 @@ void BrowserView::loadUrlFromLineEdit(QString url) const void BrowserView::mouseBack() const { // Go back if possible. - if (webEngineHistoryPointer->canGoBack()) + if (webEngineViewPointer->isActiveWindow() && webEngineHistoryPointer->canGoBack()) { // Clear the URL line edit focus. emit clearUrlLineEditFocus(); @@ -522,7 +573,7 @@ void BrowserView::mouseBack() const void BrowserView::mouseForward() const { // Go forward if possible. - if (webEngineHistoryPointer->canGoForward()) + if (webEngineViewPointer->isActiveWindow() && webEngineHistoryPointer->canGoForward()) { // Clear the URL line edit focus. emit clearUrlLineEditFocus(); @@ -538,12 +589,114 @@ void BrowserView::pageLinkHovered(const QString &linkUrl) const emit linkHovered(linkUrl); } +void BrowserView::print() const +{ + // Create a printer. + QPrinter printer; + + // Set the resolution to be 300 dpi. + printer.setResolution(300); + + // Create a printer dialog. + QPrintDialog printDialog(&printer, webEngineViewPointer); + + // Display the dialog and print the page if instructed. + if (printDialog.exec() == QDialog::Accepted) + printWebpage(&printer); +} + +void BrowserView::printPreview() const +{ + // Create a printer. + QPrinter printer; + + // Set the resolution to be 300 dpi. + printer.setResolution(300); + + // Create a print preview dialog. + QPrintPreviewDialog printPreviewDialog(&printer, webEngineViewPointer); + + // Generate the print preview. + connect(&printPreviewDialog, SIGNAL(paintRequested(QPrinter *)), this, SLOT(printWebpage(QPrinter *))); + + // Display the dialog. + printPreviewDialog.exec(); +} + +void BrowserView::printWebpage(QPrinter *printerPointer) const +{ + // Create an event loop. For some reason, the print preview doesn't produce any output unless it is run inside an event loop. + QEventLoop eventLoop; + + // Print the webpage, converting the callback above into a `QWebEngineCallback`. + // Printing requires that the printer be a pointer, not a reference, or it will crash with much cursing. + webEnginePagePointer->print(printerPointer, [&eventLoop](bool printSuccess) + { + // Instruct the compiler to ignore the unused parameter. + (void) printSuccess; + + // Quit the loop. + eventLoop.quit(); + }); + + // Execute the loop. + eventLoop.exec(); +} + void BrowserView::refresh() const { // Reload the website. webEngineViewPointer->reload(); } +void BrowserView::showSaveDialog(QWebEngineDownloadItem *downloadItemPointer) const +{ + // Instantiate the save dialog. + SaveDialog *saveDialogPointer = new SaveDialog(downloadItemPointer); + + // Connect the save button. + connect(saveDialogPointer, SIGNAL(showSaveFilePickerDialog(QUrl &, QString &)), this, SLOT(showSaveFilePickerDialog(QUrl &, QString &))); + + // Show the dialog. + saveDialogPointer->show(); +} + +void BrowserView::showSaveFilePickerDialog(QUrl &downloadUrl, QString &suggestedFileName) +{ + // Create a save file dialog. + QFileDialog *saveFileDialogPointer = new QFileDialog(this, i18nc("Save file dialog caption", "Save File"), QStandardPaths::writableLocation(QStandardPaths::DownloadLocation)); + + // Tell the dialog to use a save button. + saveFileDialogPointer->setAcceptMode(QFileDialog::AcceptSave); + + // Populate the file name from the download item pointer. + saveFileDialogPointer->selectFile(suggestedFileName); + + // Prevent interaction with the parent windows while the dialog is open. + saveFileDialogPointer->setWindowModality(Qt::WindowModal); + + // Process the saving of the file. The save file dialog pointer must be captured directly instead of by reference or nasty crashes occur. + auto saveFile = [saveFileDialogPointer, &downloadUrl] () { + // Get the save location. The dialog box should only allow the selecting of one file location. + QUrl saveLocation = saveFileDialogPointer->selectedUrls().value(0); + + // Create a file copy job. `-1` creates the file with default permissions. + KIO::FileCopyJob *fileCopyJobPointer = KIO::file_copy(downloadUrl, saveLocation, -1, KIO::Overwrite); + + // Set the download job to display any error messages. + fileCopyJobPointer->uiDelegate()->setAutoErrorHandlingEnabled(true); + + // Start the download. + fileCopyJobPointer->start(); + }; + + // Handle clicks on the save button. + connect(saveFileDialogPointer, &QDialog::accepted, this, saveFile); + + // Show the dialog. + saveFileDialogPointer->show(); +} + void BrowserView::toggleDomStorage() const { // Toggle DOM storage.