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authoradjam <adjam@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-05-03 23:51:22 +0000
committeradjam <adjam@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-05-03 23:51:22 +0000
commitc0190e41f7f2e5fe30fa8556fa35f43950afbfdb (patch)
tree086794c886f413b3e4dbcfad9d3697a55f8dd64b /src/webview.cpp
parentInitial rekcommit.. (diff)
downloadrekonq-c0190e41f7f2e5fe30fa8556fa35f43950afbfdb.tar.xz
Importing recode (rekonq code).
I'm sorry I coudn't perform this with gitsvn or tailor.. but I cannot lose all the evening just for this. And I need to sleep now.. git-svn-id: svn+ssh://svn.kde.org/home/kde/trunk/playground/network/rekonq@963146 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
+* Copyright (C) 2008 Benjamin C. Meyer <ben@meyerhome.net>
+* Copyright (C) 2008-2009 by Andrea Diamantini <adjam7 at gmail dot com>
+* Copyright (C) 2009 by Paweł Prażak <pawelprazak 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, or (at your option) 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.
+*
+* ============================================================ */
+
+
+// Self Includes
+#include "webview.h"
+#include "webview.moc"
+
+// Auto Includes
+#include "rekonq.h"
+
+// Local Includes
+#include "application.h"
+#include "mainwindow.h"
+#include "mainview.h"
+#include "cookiejar.h"
+#include "networkaccessmanager.h"
+#include "download.h"
+#include "history.h"
+
+
+// KDE Includes
+#include <KStandardDirs>
+#include <KUrl>
+#include <KActionCollection>
+#include <KDebug>
+#include <KToolInvocation>
+
+// Qt Includes
+#include <QtCore>
+#include <QtGui>
+#include <QtWebKit>
+#include <QUiLoader>
+
+
+WebPage::WebPage(QObject *parent)
+ : QWebPage(parent)
+ , m_keyboardModifiers(Qt::NoModifier)
+ , m_pressedButtons(Qt::NoButton)
+ , m_openInNewTab(false)
+{
+ setNetworkAccessManager(Application::networkAccessManager());
+
+ setForwardUnsupportedContent(true);
+ connect(this, SIGNAL(unsupportedContent(QNetworkReply *)), this, SLOT(handleUnsupportedContent(QNetworkReply *)));
+}
+
+
+WebPage::~WebPage()
+{
+}
+
+
+bool WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type)
+{
+ QString scheme = request.url().scheme();
+ if (scheme == QLatin1String("mailto"))
+ {
+ KToolInvocation::invokeMailer(request.url());
+ return false;
+ }
+
+ WebView *webView;
+
+ switch (type)
+ {
+
+ // user clicked on a link or pressed return on a focused link.
+ case QWebPage::NavigationTypeLinkClicked:
+
+ if (m_keyboardModifiers & Qt::ControlModifier || m_pressedButtons == Qt::MidButton)
+ {
+ webView = Application::instance()->newWebView();
+ webView->setFocus();
+ webView->load(request);
+ m_keyboardModifiers = Qt::NoModifier;
+ m_pressedButtons = Qt::NoButton;
+ return false;
+ }
+
+ if (frame == mainFrame())
+ {
+ m_loadingUrl = request.url();
+ emit loadingUrl(m_loadingUrl);
+ }
+ else
+ {
+ // if frame doesn't exists (perhaps) we are pointing to a blank target..
+ if (!frame)
+ {
+ webView = Application::instance()->newWebView();
+ webView->setFocus();
+ webView->load(request);
+ return false;
+ }
+ }
+ break;
+
+ // user activated a submit button for an HTML form.
+ case QWebPage::NavigationTypeFormSubmitted:
+ break;
+
+ // Navigation to a previously shown document in the back or forward history is requested.
+ case QWebPage::NavigationTypeBackOrForward:
+ break;
+
+ // user activated the reload action.
+ case QWebPage::NavigationTypeReload:
+
+#if QT_VERSION <= 040500
+ // HACK Ported from Arora
+ // A short term hack until QtWebKit can get a reload without cache QAction
+ // *FYI* currently type is never NavigationTypeReload
+ // See: https://bugs.webkit.org/show_bug.cgi?id=24283
+ if (qApp->keyboardModifiers() & Qt::ShiftModifier)
+ {
+ QNetworkRequest newRequest(request);
+ newRequest.setAttribute(QNetworkRequest::CacheLoadControlAttribute,
+ QNetworkRequest::AlwaysNetwork);
+ mainFrame()->load(request);
+ return false;
+ }
+#endif
+
+ break;
+
+ // An HTML form was submitted a second time.
+ case QWebPage::NavigationTypeFormResubmitted:
+ break;
+
+ // A navigation to another document using a method not listed above.
+ case QWebPage::NavigationTypeOther:
+ break;
+
+ // should be nothing..
+ default:
+ break;
+ }
+
+ return QWebPage::acceptNavigationRequest(frame, request, type);
+}
+
+
+QWebPage *WebPage::createWindow(QWebPage::WebWindowType type)
+{
+ // added to manage web modal dialogs
+ if (type == QWebPage::WebModalDialog)
+ {
+ // FIXME : need a "real" implementation..
+ kWarning() << "Modal Dialog ---------------------------------------";
+ QWebView *w = new QWebView();
+ w->show();
+ return w->page();
+ }
+
+ if (m_keyboardModifiers & Qt::ControlModifier || m_pressedButtons == Qt::MidButton)
+ {
+ m_openInNewTab = true;
+ }
+
+ if (m_openInNewTab)
+ {
+ m_openInNewTab = false;
+ return Application::instance()->newWebView()->page();
+ }
+
+ MainWindow *mainWindow = Application::instance()->mainWindow();
+ return mainWindow->currentTab()->page();
+}
+
+
+QObject *WebPage::createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues)
+{
+ kWarning() << "creating PLUGIN for rekonq ";
+ kWarning() << "classId = " << classId;
+ kWarning() << "url = " << url;
+ kWarning() << "Param Names = " << paramNames;
+ kWarning() << "Param Values = " << paramValues;
+
+ QUiLoader loader;
+ return loader.createWidget(classId, view());
+}
+
+
+void WebPage::handleUnsupportedContent(QNetworkReply *reply)
+{
+ // create convenience fake api:// protocol for KDE apidox search and Qt docs
+ if (reply->url().scheme() == "api")
+ {
+ QString path;
+ QString className = reply->url().host().toLower();
+ if (className[0] == 'k')
+ {
+ path = QString("http://api.kde.org/new.classmapper.php?class=%1").arg(className);
+ }
+ else if (className[0] == 'q')
+ {
+ path = QString("http://doc.trolltech.com/4.5/%1.html").arg(className);
+ }
+ QUrl url(path);
+
+ Application::instance()->mainWindow()->loadUrl(url);
+ return;
+ }
+
+ if (reply->error() == QNetworkReply::NoError)
+ {
+ // st iframe unwanted download fix
+ if (reply->header(QNetworkRequest::ContentTypeHeader).isValid())
+ {
+ KUrl srcUrl = reply->url();
+ Application::downloadManager()->newDownload(srcUrl);
+ }
+ return;
+ }
+
+ // display "not found" page
+ QString notfoundFilePath = KStandardDirs::locate("data", "rekonq/htmls/notfound.html");
+ QFile file(notfoundFilePath);
+ bool isOpened = file.open(QIODevice::ReadOnly);
+ if (!isOpened)
+ {
+ kWarning() << "Couldn't open the notfound.html file";
+ return;
+ }
+ QString title = i18n("Error loading page: ") + reply->url().toString();
+
+ QString imagePath = KIconLoader::global()->iconPath("rekonq", KIconLoader::NoGroup, false);
+
+ QString html = QString(QLatin1String(file.readAll()))
+ .arg(title)
+ .arg("file://" + imagePath)
+ .arg(reply->errorString())
+ .arg(reply->url().toString());
+
+ QList<QWebFrame*> frames;
+ frames.append(mainFrame());
+ while (!frames.isEmpty())
+ {
+ QWebFrame *firstFrame = frames.takeFirst();
+ if (firstFrame->url() == reply->url())
+ {
+ firstFrame->setHtml(html, reply->url());
+ return;
+ }
+ QList<QWebFrame *> children = firstFrame->childFrames();
+ foreach(QWebFrame *frame, children)
+ {
+ frames.append(frame);
+ }
+ }
+ if (m_loadingUrl == reply->url())
+ {
+ mainFrame()->setHtml(html, reply->url());
+ // Don't put error pages to the history.
+ Application::historyManager()->removeHistoryEntry(reply->url(), mainFrame()->title());
+ }
+}
+
+
+// -----------------------------------------------------------------------------------------------------------------
+
+
+KActionCollection* WebView::s_webActionCollection;
+
+
+WebView::WebView(QWidget* parent)
+ : QWebView(parent)
+ , m_page(new WebPage(this))
+ , m_progress(0)
+{
+ setPage(m_page);
+ connect(page(), SIGNAL(statusBarMessage(const QString&)), this, SLOT(setStatusBarText(const QString&)));
+ connect(this, SIGNAL(loadProgress(int)), this, SLOT(setProgress(int)));
+ connect(this, SIGNAL(loadFinished(bool)), this, SLOT(loadFinished()));
+ connect(page(), SIGNAL(loadingUrl(const QUrl&)), this, SIGNAL(urlChanged(const QUrl &)));
+ connect(page(), SIGNAL(downloadRequested(const QNetworkRequest &)), this, SLOT(downloadRequested(const QNetworkRequest &)));
+ page()->setForwardUnsupportedContent(true);
+}
+
+
+KActionCollection* WebView::webActions()
+{
+ if (!s_webActionCollection)
+ {
+ s_webActionCollection = new KActionCollection(this);
+
+ QAction *a;
+
+ a = new KAction(KIcon("tab-new"), i18n("Open Link in New &Tab"), this);
+ connect(a, SIGNAL(triggered()), this, SLOT(openLinkInNewTab()));
+ s_webActionCollection->addAction(QLatin1String("open_link_in_new_tab"), a);
+
+ a = pageAction(QWebPage::Cut);
+ a->setIcon(KIcon("edit-cut"));
+ a->setText(i18n("Cu&t"));
+ s_webActionCollection->addAction(QLatin1String("edit_cut"), a);
+
+ a = pageAction(QWebPage::Copy);
+ a->setIcon(KIcon("edit-copy"));
+ a->setText(i18n("&Copy"));
+ s_webActionCollection->addAction(QLatin1String("edit_copy"), a);
+
+ a = pageAction(QWebPage::Paste);
+ a->setIcon(KIcon("edit-paste"));
+ a->setText(i18n("&Paste"));
+ s_webActionCollection->addAction(QLatin1String("edit_paste"), a);
+
+ a = pageAction(QWebPage::DownloadImageToDisk);
+ a->setIcon(KIcon("folder-image"));
+ a->setText(i18n("&Save Image As..."));
+ s_webActionCollection->addAction(QLatin1String("save_image_as"), a);
+
+ a = pageAction(QWebPage::CopyImageToClipboard);
+ a->setIcon(KIcon("insert-image"));
+ a->setText(i18n("&Copy This Image"));
+ s_webActionCollection->addAction(QLatin1String("copy_this_image"), a);
+
+ a = pageAction(QWebPage::DownloadLinkToDisk);
+ a->setIcon(KIcon("folder-downloads"));
+ a->setText(i18n("&Save Link As..."));
+ s_webActionCollection->addAction(QLatin1String("save_link_as"), a);
+
+ a = pageAction(QWebPage::CopyLinkToClipboard);
+ a->setIcon(KIcon("insert-link"));
+ a->setText(i18n("&Copy Link Location"));
+ s_webActionCollection->addAction(QLatin1String("copy_link_location"), a);
+
+ a = pageAction(QWebPage::InspectElement);
+ a->setIcon(KIcon("tools-report-bug"));
+ a->setText(i18n("&Inspect Element"));
+ s_webActionCollection->addAction(QLatin1String("inspect_element"), a);
+ }
+
+ return s_webActionCollection;
+}
+
+
+void WebView::contextMenuEvent(QContextMenuEvent *event)
+{
+ QWebHitTestResult result = page()->mainFrame()->hitTestContent(event->pos());
+ MainWindow *mainwindow = Application::instance()->mainWindow();
+
+ QAction *addBookmarkAction = Application::bookmarkProvider()->actionByName("add_bookmark_payload");
+ addBookmarkAction->setText(i18n("Bookmark This Page"));
+ addBookmarkAction->setData(QVariant());
+ KMenu menu(this);
+
+ bool linkIsEmpty = result.linkUrl().isEmpty();
+ if (!linkIsEmpty)
+ {
+ menu.addAction(webActions()->action("open_link_in_new_tab"));
+ }
+ else
+ {
+ menu.addAction(mainwindow->actionByName("new_tab"));
+ }
+ menu.addAction(mainwindow->actionByName("view_redisplay"));
+ menu.addSeparator();
+
+ if (page()->settings()->testAttribute(QWebSettings::DeveloperExtrasEnabled))
+ {
+ menu.addAction(webActions()->action("inspect_element"));
+ menu.addSeparator();
+ }
+
+ menu.addAction(mainwindow->actionByName("history_back"));
+ menu.addAction(mainwindow->actionByName("history_forward"));
+ menu.addSeparator();
+
+ if (result.isContentSelected() && result.isContentEditable())
+ {
+ menu.addAction(webActions()->action("edit_cut"));
+ }
+
+ if (result.isContentSelected())
+ {
+ menu.addAction(webActions()->action("edit_copy"));
+ }
+
+ if (result.isContentEditable())
+ {
+ menu.addAction(webActions()->action("edit_paste"));
+ }
+
+ if (!linkIsEmpty)
+ {
+ menu.addSeparator();
+ if (!result.pixmap().isNull())
+ {
+ // TODO Add "View Image"
+ menu.addAction(webActions()->action("save_image_as"));
+ menu.addAction(webActions()->action("copy_this_image"));
+ }
+ menu.addAction(webActions()->action("save_link_as"));
+ menu.addAction(webActions()->action("copy_link_location"));
+ addBookmarkAction->setData(result.linkUrl());
+ addBookmarkAction->setText(i18n("&Bookmark This Link"));
+ }
+ menu.addSeparator();
+
+ menu.addAction(addBookmarkAction);
+ menu.exec(mapToGlobal(event->pos()));
+}
+
+
+void WebView::wheelEvent(QWheelEvent *event)
+{
+ if (QApplication::keyboardModifiers() & Qt::ControlModifier)
+ {
+ int numDegrees = event->delta() / 8;
+ int numSteps = numDegrees / 15;
+ setTextSizeMultiplier(textSizeMultiplier() + numSteps * 0.1);
+ event->accept();
+ return;
+ }
+ QWebView::wheelEvent(event);
+}
+
+
+void WebView::openLinkInNewTab()
+{
+ m_page->m_openInNewTab = true;
+ pageAction(QWebPage::OpenLinkInNewWindow)->trigger();
+}
+
+
+void WebView::loadFinished()
+{
+ if (m_progress != 100)
+ {
+ kWarning() << "Recieved finished signal while progress is still:" << progress()
+ << "Url:" << url();
+ }
+ m_progress = 0;
+}
+
+
+void WebView::mousePressEvent(QMouseEvent *event)
+{
+ m_page->m_pressedButtons = event->buttons();
+ m_page->m_keyboardModifiers = event->modifiers();
+ QWebView::mousePressEvent(event);
+}
+
+
+void WebView::mouseReleaseEvent(QMouseEvent *event)
+{
+ QWebView::mouseReleaseEvent(event);
+ if (!event->isAccepted() && (m_page->m_pressedButtons & Qt::MidButton))
+ {
+ KUrl url(QApplication::clipboard()->text(QClipboard::Selection));
+ if (!url.isEmpty() && url.isValid() && !url.scheme().isEmpty())
+ {
+ setUrl(url);
+ }
+ }
+}
+
+
+void WebView::downloadRequested(const QNetworkRequest &request)
+{
+ KUrl srcUrl = request.url();
+ QString path = ReKonfig::downloadDir() + QString("/") + srcUrl.fileName();
+ KUrl destUrl = KUrl(path);
+ Application::downloadManager()->newDownload(srcUrl);
+}
+
+
+void WebView::keyPressEvent(QKeyEvent *event)
+{
+ if ((event->modifiers() == Qt::ControlModifier) && (event->key() == Qt::Key_Tab))
+ {
+ emit ctrlTabPressed();
+ return;
+ }
+
+ if ((event->modifiers() == Qt::ControlModifier + Qt::ShiftModifier) && (event->key() == Qt::Key_Backtab))
+ {
+ emit shiftCtrlTabPressed();
+ return;
+ }
+
+ QWebView::keyPressEvent(event);
+}