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00020 #include <QtGui/QGraphicsSceneContextMenuEvent>
00021 #include <QtGui/QGraphicsSceneDragDropEvent>
00022 #include <QtGui/QGraphicsSceneMouseEvent>
00023 #include <QtGui/QGraphicsSceneWheelEvent>
00024 #include <QtGui/QKeyEvent>
00025 #include <QtGui/QStyleOptionGraphicsItem>
00026 #include <QtWebKit/QWebFrame>
00027 #include <QtWebKit/QWebPage>
00028
00029 #include <kdebug.h>
00030
00031 #include "plasma/widgets/webview.h"
00032
00033 namespace Plasma
00034 {
00035
00036 class WebViewPrivate
00037 {
00038 public:
00039 WebViewPrivate(WebView *parent)
00040 : q(parent)
00041 {
00042 }
00043
00044 void loadingFinished(bool success);
00045 void updateRequested(const QRect &dirtyRect);
00046 void scrollRequested(int dx, int dy, const QRect &scrollRect);
00047
00048 WebView *q;
00049 QWebPage *page;
00050 bool loaded;
00051 };
00052
00053 WebView::WebView(QGraphicsItem *parent)
00054 : QGraphicsWidget(parent),
00055 d(new WebViewPrivate(this))
00056 {
00057 d->page = 0;
00058 d->loaded = false;
00059 setPage(new QWebPage(this));
00060 setAcceptsHoverEvents(true);
00061 setFlags(QGraphicsItem::ItemIsFocusable);
00062 }
00063
00064 WebView::~WebView()
00065 {
00066 delete d;
00067 }
00068
00069 void WebView::setUrl(const KUrl &url)
00070 {
00071 d->loaded = false;
00072 if (d->page) {
00073 d->page->mainFrame()->load(url);
00074 }
00075 }
00076
00077 void WebView::setHtml(const QByteArray &html, const KUrl &baseUrl)
00078 {
00079 d->loaded = false;
00080 if (d->page) {
00081 d->page->mainFrame()->setContent(html, QString(), baseUrl);
00082 }
00083 }
00084
00085 void WebView::setHtml(const QString &html, const KUrl &baseUrl)
00086 {
00087 d->loaded = false;
00088 if (d->page) {
00089 d->page->mainFrame()->setHtml(html, baseUrl);
00090 }
00091 }
00092
00093 QRectF WebView::geometry() const
00094 {
00095 if (d->loaded && d->page) {
00096 return d->page->mainFrame()->geometry();
00097 }
00098
00099 return QGraphicsWidget::geometry();
00100 }
00101
00102 void WebView::setPage(QWebPage *page)
00103 {
00104 if (page == d->page) {
00105 return;
00106 }
00107
00108 if (d->page) {
00109 if (d->page->parent() == this) {
00110 delete d->page;
00111 } else {
00112 disconnect(d->page, 0, this, 0);
00113 }
00114 }
00115
00116 d->page = page;
00117
00118 if (d->page) {
00119 connect(d->page, SIGNAL(loadProgress(int)),
00120 this, SIGNAL(loadProgress(int)));
00121 connect(d->page, SIGNAL(loadFinished(bool)),
00122 this, SLOT(loadingFinished(bool)));
00123 connect(d->page, SIGNAL(repaintRequested(const QRect&)),
00124 this, SLOT(updateRequested(const QRect&)));
00125 connect(d->page, SIGNAL(scrollRequested(int, int, const QRect &)),
00126 this, SLOT(scrollRequested(int, int, const QRect &)));
00127 }
00128 }
00129
00130 QWebPage *WebView::page() const
00131 {
00132 return d->page;
00133 }
00134
00135 QWebFrame *WebView::mainFrame() const
00136 {
00137 return d->page ? d->page->mainFrame() : 0;
00138 }
00139
00140 void WebView::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
00141 {
00142 Q_UNUSED(widget)
00143
00144 if (d->loaded && d->page) {
00145
00146 d->page->mainFrame()->render(painter, option->rect);
00147 }
00148 }
00149
00150 void WebView::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
00151 {
00152 if (!d->page) {
00153 QGraphicsWidget::mouseMoveEvent(event);
00154 return;
00155 }
00156
00157 QMouseEvent me(QEvent::MouseMove, event->pos().toPoint(), event->button(),
00158 event->buttons(), event->modifiers());
00159 d->page->event(&me);
00160 if (me.isAccepted()) {
00161 event->accept();
00162 }
00163 }
00164
00165 void WebView::hoverMoveEvent(QGraphicsSceneHoverEvent *event)
00166 {
00167 if (!d->page) {
00168 QGraphicsWidget::hoverMoveEvent(event);
00169 return;
00170 }
00171
00172 QMouseEvent me(QEvent::MouseMove, event->pos().toPoint(), Qt::NoButton, Qt::NoButton, Qt::NoModifier);
00173 d->page->event(&me);
00174 if (me.isAccepted()) {
00175 event->accept();
00176 }
00177 }
00178
00179 void WebView::mousePressEvent(QGraphicsSceneMouseEvent *event)
00180 {
00181 if (!d->page) {
00182 QGraphicsWidget::mousePressEvent(event);
00183 return;
00184 }
00185
00186 setFocus();
00187
00188 QMouseEvent me(QEvent::MouseButtonPress, event->pos().toPoint(), event->button(),
00189 event->buttons(), event->modifiers());
00190 d->page->event(&me);
00191 if (me.isAccepted()) {
00192 event->accept();
00193 }
00194 }
00195
00196 void WebView::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event)
00197 {
00198 if (!d->page) {
00199 QGraphicsWidget::mouseDoubleClickEvent(event);
00200 return;
00201 }
00202
00203 QMouseEvent me(QEvent::MouseButtonDblClick, event->pos().toPoint(), event->button(),
00204 event->buttons(), event->modifiers());
00205 d->page->event(&me);
00206 if (me.isAccepted()) {
00207 event->accept();
00208 }
00209 }
00210
00211 void WebView::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
00212 {
00213 if (!d->page) {
00214 QGraphicsWidget::mouseReleaseEvent(event);
00215 return;
00216 }
00217
00218 QMouseEvent me(QEvent::MouseButtonRelease, event->pos().toPoint(), event->button(),
00219 event->buttons(), event->modifiers());
00220 d->page->event(&me);
00221 if (me.isAccepted()) {
00222 event->accept();
00223 }
00224 }
00225
00226 void WebView::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
00227 {
00228 if (!d->page) {
00229 QGraphicsWidget::contextMenuEvent(event);
00230 return;
00231 }
00232
00233 QContextMenuEvent ce(static_cast<QContextMenuEvent::Reason>(event->reason()),
00234 event->pos().toPoint(), event->screenPos());
00235 d->page->event(&ce);
00236 if (ce.isAccepted()) {
00237 event->accept();
00238 }
00239 }
00240
00241 void WebView::wheelEvent(QGraphicsSceneWheelEvent *event)
00242 {
00243 if (!d->page) {
00244 QGraphicsWidget::wheelEvent(event);
00245 return;
00246 }
00247
00248 QWheelEvent we(event->pos().toPoint(), event->delta(), event->buttons(),
00249 event->modifiers(), event->orientation());
00250
00251 d->page->event(&we);
00252
00253 if (we.isAccepted()) {
00254 event->accept();
00255 } else {
00256 QGraphicsWidget::wheelEvent(event);
00257 }
00258 }
00259
00260 void WebView::keyPressEvent(QKeyEvent * event)
00261 {
00262 if (!d->page) {
00263 QGraphicsWidget::keyPressEvent(event);
00264 return;
00265 }
00266
00267 d->page->event(event);
00268 kWarning()<<event;
00269 if (!event->isAccepted()) {
00270 QGraphicsWidget::keyPressEvent(event);
00271 }
00272 }
00273
00274 void WebView::keyReleaseEvent(QKeyEvent * event)
00275 {
00276 if (!d->page) {
00277 QGraphicsWidget::keyReleaseEvent(event);
00278 return;
00279 }
00280
00281 d->page->event(event);
00282
00283 if (!event->isAccepted()) {
00284 QGraphicsWidget::keyPressEvent(event);
00285 }
00286 }
00287
00288 void WebView::focusInEvent(QFocusEvent * event)
00289 {
00290 if (d->page) {
00291 d->page->event(event);
00292 }
00293
00294 QGraphicsWidget::focusInEvent(event);
00295 }
00296
00297 void WebView::focusOutEvent(QFocusEvent * event)
00298 {
00299 if (d->page) {
00300 d->page->event(event);
00301 }
00302
00303 QGraphicsWidget::focusOutEvent(event);
00304 }
00305
00306 void WebView::dragEnterEvent(QGraphicsSceneDragDropEvent * event)
00307 {
00308 if (!d->page) {
00309 QGraphicsWidget::dragEnterEvent(event);
00310 return;
00311 }
00312
00313 QDragEnterEvent de(event->pos().toPoint(), event->possibleActions(), event->mimeData(),
00314 event->buttons(), event->modifiers());
00315 d->page->event(&de);
00316
00317 if (de.isAccepted()) {
00318 event->accept();
00319 }
00320 }
00321
00322 void WebView::dragLeaveEvent(QGraphicsSceneDragDropEvent * event)
00323 {
00324 if (!d->page) {
00325 QGraphicsWidget::dragLeaveEvent(event);
00326 return;
00327 }
00328
00329 QDragLeaveEvent de;
00330 d->page->event(&de);
00331
00332 if (de.isAccepted()) {
00333 event->accept();
00334 }
00335 }
00336
00337 void WebView::dragMoveEvent(QGraphicsSceneDragDropEvent * event)
00338 {
00339 if (!d->page) {
00340 QGraphicsWidget::dragMoveEvent(event);
00341 return;
00342 }
00343
00344
00345
00346 QDragMoveEvent de(event->pos().toPoint(), event->possibleActions(), event->mimeData(),
00347 event->buttons(), event->modifiers());
00348 d->page->event(&de);
00349
00350 if (de.isAccepted()) {
00351 event->accept();
00352 }
00353 }
00354
00355 void WebView::dropEvent(QGraphicsSceneDragDropEvent * event)
00356 {
00357 if (!d->page) {
00358 QGraphicsWidget::dropEvent(event);
00359 return;
00360 }
00361
00362 QDragMoveEvent de(event->pos().toPoint(), event->possibleActions(), event->mimeData(),
00363 event->buttons(), event->modifiers());
00364 d->page->event(&de);
00365
00366 if (de.isAccepted()) {
00367 event->accept();
00368 }
00369 }
00370
00371 void WebView::setGeometry(const QRectF &geometry)
00372 {
00373 QGraphicsWidget::setGeometry(geometry);
00374 d->page->setViewportSize(geometry.size().toSize());
00375 }
00376
00377 void WebViewPrivate::loadingFinished(bool success)
00378 {
00379 loaded = success;
00380 emit q->loadFinished(success);
00381 q->update();
00382 }
00383
00384 void WebViewPrivate::updateRequested(const QRect &dirtyRect)
00385 {
00386 if (loaded && page) {
00387 q->update(QRectF(dirtyRect.topLeft().x(), dirtyRect.topLeft().y(),
00388 dirtyRect.width(), dirtyRect.height()));
00389 }
00390 }
00391
00392 void WebViewPrivate::scrollRequested(int dx, int dy, const QRect &scrollRect)
00393 {
00394 updateRequested(scrollRect);
00395 }
00396
00397 }
00398
00399 #include "webview.moc"
00400