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      1 /*
      2     Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
      3 
      4     This library is free software; you can redistribute it and/or
      5     modify it under the terms of the GNU Library General Public
      6     License as published by the Free Software Foundation; either
      7     version 2 of the License, or (at your option) any later version.
      8 
      9     This library is distributed in the hope that it will be useful,
     10     but WITHOUT ANY WARRANTY; without even the implied warranty of
     11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12     Library General Public License for more details.
     13 
     14     You should have received a copy of the GNU Library General Public License
     15     along with this library; see the file COPYING.LIB.  If not, write to
     16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17     Boston, MA 02110-1301, USA.
     18 */
     19 
     20 #include "config.h"
     21 #include "PlatformVideoWindow.h"
     22 
     23 #include "HTMLVideoElement.h"
     24 #include "PlatformVideoWindowPrivate.h"
     25 
     26 #include <QApplication>
     27 #include <QDesktopWidget>
     28 #include <QKeyEvent>
     29 #include <QPalette>
     30 using namespace WebCore;
     31 
     32 static const int gHideMouseCursorDelay = 3000;
     33 
     34 FullScreenVideoWindow::FullScreenVideoWindow()
     35     : QWidget(0, Qt::Window)
     36     , m_mediaElement(0)
     37 {
     38     setAttribute(Qt::WA_NativeWindow);
     39     setWindowModality(Qt::ApplicationModal);
     40     setAttribute(Qt::WA_NoSystemBackground, true);
     41     setAttribute(Qt::WA_PaintOnScreen, true);
     42 
     43     m_cursorTimer.setSingleShot(true);
     44     connect(&m_cursorTimer, SIGNAL(timeout()), this, SLOT(hideCursor()));
     45 }
     46 
     47 void FullScreenVideoWindow::setVideoElement(HTMLVideoElement* element)
     48 {
     49     m_mediaElement = element;
     50 }
     51 
     52 void FullScreenVideoWindow::closeEvent(QCloseEvent*)
     53 {
     54     m_cursorTimer.stop();
     55     setMouseTracking(false);
     56     releaseMouse();
     57     QApplication::restoreOverrideCursor();
     58 }
     59 
     60 void FullScreenVideoWindow::keyPressEvent(QKeyEvent* ev)
     61 {
     62     if (m_mediaElement && ev->key() == Qt::Key_Space) {
     63         if (!m_mediaElement->paused())
     64             m_mediaElement->pause(true);
     65         else
     66             m_mediaElement->play(true);
     67     } else if (ev->key() == Qt::Key_Escape)
     68         emit closed();
     69     QWidget::keyPressEvent(ev);
     70 }
     71 
     72 bool FullScreenVideoWindow::event(QEvent* ev)
     73 {
     74     switch (ev->type()) {
     75     case QEvent::MouseMove:
     76         showCursor();
     77         ev->accept();
     78         return true;
     79     case QEvent::MouseButtonDblClick:
     80         emit closed();
     81         ev->accept();
     82         return true;
     83     default:
     84         return QWidget::event(ev);
     85     }
     86 }
     87 
     88 void FullScreenVideoWindow::showFullScreen()
     89 {
     90     QWidget::showFullScreen();
     91     setMouseTracking(true);
     92     raise();
     93     setFocus();
     94     hideCursor();
     95 }
     96 
     97 void FullScreenVideoWindow::hideCursor()
     98 {
     99     QApplication::setOverrideCursor(QCursor(Qt::BlankCursor));
    100 }
    101 
    102 void FullScreenVideoWindow::showCursor()
    103 {
    104     QApplication::restoreOverrideCursor();
    105     m_cursorTimer.start(gHideMouseCursorDelay);
    106 }
    107 
    108 
    109 PlatformVideoWindow::PlatformVideoWindow()
    110 {
    111     m_window = new FullScreenVideoWindow();
    112     m_window->setWindowFlags(m_window->windowFlags() | Qt::FramelessWindowHint);
    113     QPalette p;
    114     p.setColor(QPalette::Base, Qt::black);
    115     p.setColor(QPalette::Window, Qt::black);
    116     m_window->setPalette(p);
    117     m_window->showFullScreen();
    118     m_videoWindowId = m_window->winId();
    119 }
    120 
    121 PlatformVideoWindow::~PlatformVideoWindow()
    122 {
    123     delete m_window;
    124     m_videoWindowId = 0;
    125 }
    126 
    127 void PlatformVideoWindow::prepareForOverlay(GstMessage*)
    128 {
    129 }
    130