diff options
Diffstat (limited to 'WebKit/qt/Api/qwebview.cpp')
| -rw-r--r-- | WebKit/qt/Api/qwebview.cpp | 222 |
1 files changed, 80 insertions, 142 deletions
diff --git a/WebKit/qt/Api/qwebview.cpp b/WebKit/qt/Api/qwebview.cpp index e1a0c98..7bc3168 100644 --- a/WebKit/qt/Api/qwebview.cpp +++ b/WebKit/qt/Api/qwebview.cpp @@ -1,6 +1,7 @@ /* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) Copyright (C) 2008 Holger Hans Peter Freyther + Copyright (C) 2009 Girish Ramakrishnan <girish@forwardbias.in> This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public @@ -20,6 +21,8 @@ #include "config.h" #include "qwebview.h" + +#include "QWebPageClient.h" #include "qwebframe.h" #include "qwebpage_p.h" @@ -36,40 +39,24 @@ public: : view(view) , page(0) , renderHints(QPainter::TextAntialiasing) -#ifndef QT_NO_CURSOR - , cursorSetByWebCore(false) - , usesWebCoreCursor(true) -#endif - {} + { + Q_ASSERT(view); + } + + void _q_pageDestroyed(); QWebView *view; QWebPage *page; QPainter::RenderHints renderHints; - -#ifndef QT_NO_CURSOR - /* - * We keep track of if we have called setCursor and if the CursorChange - * event is sent due our setCursor call and if we currently use the WebCore - * Cursor and use it to decide if we can update to another WebCore Cursor. - */ - bool cursorSetByWebCore; - bool usesWebCoreCursor; - - void setCursor(const QCursor& newCursor) - { - webCoreCursor = newCursor; - - if (usesWebCoreCursor) { - cursorSetByWebCore = true; - view->setCursor(webCoreCursor); - } - } - - QCursor webCoreCursor; -#endif }; +void QWebViewPrivate::_q_pageDestroyed() +{ + page = 0; + view->setPage(0); +} + /*! \class QWebView \since 4.4 @@ -77,11 +64,13 @@ public: web documents. \ingroup advanced + \inmodule QtWebKit + QWebView is the main widget component of the QtWebKit web browsing module. It can be used in various applications to display web content live from the Internet. - The image below shows QWebView previewed in \QD with the Trolltech website. + The image below shows QWebView previewed in \QD with a Nokia website. \image qwebview-url.png @@ -160,7 +149,7 @@ QWebView::QWebView(QWidget *parent) { d = new QWebViewPrivate(this); -#if !defined(Q_WS_QWS) +#if !defined(Q_WS_QWS) && !defined(Q_OS_SYMBIAN) setAttribute(Qt::WA_InputMethodEnabled); #endif @@ -175,8 +164,15 @@ QWebView::QWebView(QWidget *parent) */ QWebView::~QWebView() { - if (d->page) + if (d->page) { +#if QT_VERSION >= 0x040600 + d->page->d->view.clear(); +#else d->page->d->view = 0; +#endif + delete d->page->d->client; + d->page->d->client = 0; + } if (d->page && d->page->parent() == this) delete d->page; @@ -211,6 +207,7 @@ void QWebView::setPage(QWebPage* page) if (d->page == page) return; if (d->page) { + d->page->d->client = 0; // unset the page client if (d->page->parent() == this) delete d->page; else @@ -222,12 +219,12 @@ void QWebView::setPage(QWebPage* page) d->page->setPalette(palette()); // #### connect signals QWebFrame *mainFrame = d->page->mainFrame(); - connect(mainFrame, SIGNAL(titleChanged(const QString&)), - this, SIGNAL(titleChanged(const QString&))); + connect(mainFrame, SIGNAL(titleChanged(QString)), + this, SIGNAL(titleChanged(QString))); connect(mainFrame, SIGNAL(iconChanged()), this, SIGNAL(iconChanged())); - connect(mainFrame, SIGNAL(urlChanged(const QUrl &)), - this, SIGNAL(urlChanged(const QUrl &))); + connect(mainFrame, SIGNAL(urlChanged(QUrl)), + this, SIGNAL(urlChanged(QUrl))); connect(d->page, SIGNAL(loadStarted()), this, SIGNAL(loadStarted())); @@ -235,97 +232,26 @@ void QWebView::setPage(QWebPage* page) this, SIGNAL(loadProgress(int))); connect(d->page, SIGNAL(loadFinished(bool)), this, SIGNAL(loadFinished(bool))); - connect(d->page, SIGNAL(statusBarMessage(const QString &)), - this, SIGNAL(statusBarMessage(const QString &))); - connect(d->page, SIGNAL(linkClicked(const QUrl &)), - this, SIGNAL(linkClicked(const QUrl &))); + connect(d->page, SIGNAL(statusBarMessage(QString)), + this, SIGNAL(statusBarMessage(QString))); + connect(d->page, SIGNAL(linkClicked(QUrl)), + this, SIGNAL(linkClicked(QUrl))); connect(d->page, SIGNAL(microFocusChanged()), this, SLOT(updateMicroFocus())); + connect(d->page, SIGNAL(destroyed()), + this, SLOT(_q_pageDestroyed())); } setAttribute(Qt::WA_OpaquePaintEvent, d->page); update(); } /*! - Returns a valid URL from a user supplied \a string if one can be deducted. - In the case that is not possible, an invalid QUrl() is returned. - - \since 4.6 - - Most applications that can browse the web, allow the user to input a URL - in the form of a plain string. This string can be manually typed into - a location bar, obtained from the clipboard, or passed in via command - line arguments. - - When the string is not already a valid URL, a best guess is performed, - making various web related assumptions. - - In the case the string corresponds to a valid file path on the system, - a file:// URL is constructed, using QUrl::fromLocalFile(). - - If that is not the case, an attempt is made to turn the string into a - http:// or ftp:// URL. The latter in the case the string starts with - 'ftp'. The result is then passed through QUrl's tolerant parser, and - in the case or success, a valid QUrl is returned, or else a QUrl(). - - \section1 Examples: - - \list - \o webkit.org becomes http://webkit.org - \o ftp.webkit.org becomes ftp://ftp.webkit.org - \o localhost becomes http://localhost - \o /home/user/test.html becomes file:///home/user/test.html (if exists) - \endlist - - \section2 Tips when dealing with URLs and strings: - - \list - \o When creating a QString from a QByteArray or a char*, always use - QString::fromUtf8(). - \o Do not use QUrl(string), nor QUrl::toString() anywhere where the URL might - be used, such as in the location bar, as those functions loose data. - Instead use QUrl::fromEncoded() and QUrl::toEncoded(), respectively. - \endlist - */ -QUrl QWebView::guessUrlFromString(const QString &string) -{ - QString trimmedString = string.trimmed(); - - // Check the most common case of a valid url with scheme and host first - QUrl url = QUrl::fromEncoded(trimmedString.toUtf8(), QUrl::TolerantMode); - if (url.isValid() && !url.scheme().isEmpty() && !url.host().isEmpty()) - return url; - - // Absolute files that exists - if (QDir::isAbsolutePath(trimmedString) && QFile::exists(trimmedString)) - return QUrl::fromLocalFile(trimmedString); - - // If the string is missing the scheme or the scheme is not valid prepend a scheme - QString scheme = url.scheme(); - if (scheme.isEmpty() || scheme.contains(QLatin1Char('.')) || scheme == QLatin1String("localhost")) { - // Do not do anything for strings such as "foo", only "foo.com" - int dotIndex = trimmedString.indexOf(QLatin1Char('.')); - if (dotIndex != -1 || trimmedString.startsWith(QLatin1String("localhost"))) { - const QString hostscheme = trimmedString.left(dotIndex).toLower(); - QByteArray scheme = (hostscheme == QLatin1String("ftp")) ? "ftp" : "http"; - trimmedString = QLatin1String(scheme) + QLatin1String("://") + trimmedString; - } - url = QUrl::fromEncoded(trimmedString.toUtf8(), QUrl::TolerantMode); - } - - if (url.isValid()) - return url; - - return QUrl(); -} - -/*! Loads the specified \a url and displays it. \note The view remains the same until enough data has arrived to display the new \a url. - \sa setUrl(), url(), urlChanged(), guessUrlFromString() + \sa setUrl(), url(), urlChanged(), QUrl::fromUserInput() */ void QWebView::load(const QUrl &url) { @@ -344,19 +270,11 @@ void QWebView::load(const QUrl &url) \sa url(), urlChanged() */ -#if QT_VERSION < 0x040400 && !defined(qdoc) -void QWebView::load(const QWebNetworkRequest &request) -#else void QWebView::load(const QNetworkRequest &request, QNetworkAccessManager::Operation operation, const QByteArray &body) -#endif { - page()->mainFrame()->load(request -#if QT_VERSION >= 0x040400 - , operation, body -#endif - ); + page()->mainFrame()->load(request, operation, body); } /*! @@ -613,10 +531,20 @@ qreal QWebView::textSizeMultiplier() const \since 4.6 \brief the default render hints for the view - These hints are used to initialize QPainter before painting the web page. + These hints are used to initialize QPainter before painting the Web page. QPainter::TextAntialiasing is enabled by default. + \note This property is not available on Symbian. However, the getter and + setter functions can still be used directly. + + \sa QPainter::renderHints() +*/ + +/*! + \since 4.6 + Returns the render hints used by the view to render content. + \sa QPainter::renderHints() */ QPainter::RenderHints QWebView::renderHints() const @@ -624,6 +552,12 @@ QPainter::RenderHints QWebView::renderHints() const return d->renderHints; } +/*! + \since 4.6 + Sets the render hints used by the view to the specified \a hints. + + \sa QPainter::setRenderHints() +*/ void QWebView::setRenderHints(QPainter::RenderHints hints) { if (hints == d->renderHints) @@ -633,11 +567,11 @@ void QWebView::setRenderHints(QPainter::RenderHints hints) } /*! - If \a enabled is true, the render hint \a hint is enabled; otherwise it - is disabled. - \since 4.6 - \sa renderHints + If \a enabled is true, enables the specified render \a hint; otherwise + disables it. + + \sa renderHints, QPainter::renderHints() */ void QWebView::setRenderHint(QPainter::RenderHint hint, bool enabled) { @@ -694,20 +628,17 @@ bool QWebView::event(QEvent *e) if (e->type() == QEvent::ShortcutOverride) { d->page->event(e); #ifndef QT_NO_CURSOR - } else if (e->type() == static_cast<QEvent::Type>(WebCore::SetCursorEvent::EventType)) { - d->setCursor(static_cast<WebCore::SetCursorEvent*>(e)->cursor()); -#if QT_VERSION >= 0x040400 } else if (e->type() == QEvent::CursorChange) { - // Okay we might use the WebCore Cursor now. - d->usesWebCoreCursor = d->cursorSetByWebCore; - d->cursorSetByWebCore = false; - - // Go back to the WebCore Cursor. QWidget::unsetCursor is appromixated with this - if (!d->usesWebCoreCursor && cursor().shape() == Qt::ArrowCursor) { - d->usesWebCoreCursor = true; - d->setCursor(d->webCoreCursor); - } -#endif + // An unsetCursor will set the cursor to Qt::ArrowCursor. + // Thus this cursor change might be a QWidget::unsetCursor() + // If this is not the case and it came from WebCore, the + // QWebPageClient already has set its cursor internally + // to Qt::ArrowCursor, so updating the cursor is always + // right, as it falls back to the last cursor set by + // WebCore. + // FIXME: Add a QEvent::CursorUnset or similar to Qt. + if (cursor().shape() == Qt::ArrowCursor) + d->page->d->client->resetCursor(); #endif } else if (e->type() == QEvent::Leave) d->page->event(e); @@ -818,8 +749,12 @@ void QWebView::paintEvent(QPaintEvent *ev) } /*! - This function is called whenever WebKit wants to create a new window of the given \a type, for example as a result of - a JavaScript request to open a document in a new window. + This function is called from the createWindow() method of the associated QWebPage, + each time the page wants to create a new window of the given \a type. This might + be the result, for example, of a JavaScript request to open a document in a new window. + + \note If the createWindow() method of the associated page is reimplemented, this + method is not called, unless explicitly done so in the reimplementation. \sa QWebPage::createWindow() */ @@ -1033,7 +968,7 @@ void QWebView::changeEvent(QEvent *e) /*! \fn void QWebView::statusBarMessage(const QString& text) - This signal is emitted when the statusbar \a text is changed by the page. + This signal is emitted when the status bar \a text is changed by the page. */ /*! @@ -1094,3 +1029,6 @@ void QWebView::changeEvent(QEvent *e) \sa QWebPage::linkDelegationPolicy() */ + +#include "moc_qwebview.cpp" + |