The Tor Browser: widget/qt/mozqwidget.cpp@ac0c01689b40 (annotated)

widget/qt/mozqwidget.cpp@ac0c01689b40 (annotated)

widget/qt/mozqwidget.cpp

Thu, 15 Jan 2015 15:59:08 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 15 Jan 2015 15:59:08 +0100
branch: TOR_BUG_9701
changeset 10: ac0c01689b40
permissions: -rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* vim: set ts=4 et sw=4 tw=80: */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include <QtCore/QCoreApplication>
 #include <QtGui/QResizeEvent>
 #include "mozqwidget.h"
 #include "nsWindow.h"
 using namespace mozilla::widget;
 MozQWidget::MozQWidget(nsWindow* aReceiver, QWindow* aParent)
   : QWindow(aParent)
   , mReceiver(aReceiver)
   , mUpdatePending(false)
 {
     mWindowType = mReceiver->WindowType();
 }
 MozQWidget::~MozQWidget()
 {
 }
 void MozQWidget::render(QPainter* painter)
 {
     Q_UNUSED(painter);
 }
 void MozQWidget::renderLater()
 {
     if (!isExposed() || eWindowType_child != mWindowType || !isVisible()) {
         return;
     }
     if (!mUpdatePending) {
         mUpdatePending = true;
         QCoreApplication::postEvent(this, new QEvent(QEvent::UpdateRequest));
     }
 }
 void MozQWidget::renderNow()
 {
     if (!isExposed() || eWindowType_child != mWindowType || !isVisible()) {
         return;
     }
     mReceiver->OnPaint();
 }
 bool MozQWidget::event(QEvent* event)
 {
     switch (event->type()) {
     case QEvent::UpdateRequest:
         mUpdatePending = false;
         renderNow();
         return true;
     default:
         return QWindow::event(event);
     }
 }
 void MozQWidget::exposeEvent(QExposeEvent* event)
 {
     Q_UNUSED(event);
     if (!isExposed() || eWindowType_child != mWindowType || !isVisible()) {
         return;
     }
     LOG(("MozQWidget::%s [%p] flags:%x\n", __FUNCTION__, (void *)this, flags()));
     renderNow();
 }
 void MozQWidget::resizeEvent(QResizeEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->resizeEvent(event);
     QWindow::resizeEvent(event);
 }
 void MozQWidget::focusInEvent(QFocusEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->focusInEvent(event);
     QWindow::focusInEvent(event);
 }
 void MozQWidget::focusOutEvent(QFocusEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->focusOutEvent(event);
     QWindow::focusOutEvent(event);
 }
 void MozQWidget::hideEvent(QHideEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->hideEvent(event);
     QWindow::hideEvent(event);
 }
 void MozQWidget::keyPressEvent(QKeyEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->keyPressEvent(event);
     QWindow::keyPressEvent(event);
 }
 void MozQWidget::keyReleaseEvent(QKeyEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->keyReleaseEvent(event);
     QWindow::keyReleaseEvent(event);
 }
 void MozQWidget::mouseDoubleClickEvent(QMouseEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->mouseDoubleClickEvent(event);
     QWindow::mouseDoubleClickEvent(event);
 }
 void MozQWidget::mouseMoveEvent(QMouseEvent* event)
 {
     mReceiver->mouseMoveEvent(event);
     QWindow::mouseMoveEvent(event);
 }
 void MozQWidget::mousePressEvent(QMouseEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->mousePressEvent(event);
     QWindow::mousePressEvent(event);
 }
 void MozQWidget::mouseReleaseEvent(QMouseEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->mouseReleaseEvent(event);
     QWindow::mouseReleaseEvent(event);
 }
 void MozQWidget::moveEvent(QMoveEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->moveEvent(event);
     QWindow::moveEvent(event);
 }
 void MozQWidget::showEvent(QShowEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->showEvent(event);
     QWindow::showEvent(event);
 }
 void MozQWidget::wheelEvent(QWheelEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     mReceiver->wheelEvent(event);
     QWindow::wheelEvent(event);
 }
 void MozQWidget::tabletEvent(QTabletEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     QWindow::tabletEvent(event);
 }
 void MozQWidget::touchEvent(QTouchEvent* event)
 {
     LOG(("MozQWidget::%s [%p]\n", __FUNCTION__, (void *)this));
     QWindow::touchEvent(event);
 }
 void MozQWidget::SetCursor(nsCursor aCursor)
 {
     Qt::CursorShape cursor = Qt::ArrowCursor;
     switch(aCursor) {
     case eCursor_standard:
         cursor = Qt::ArrowCursor;
         break;
     case eCursor_wait:
         cursor = Qt::WaitCursor;
         break;
     case eCursor_select:
         cursor = Qt::IBeamCursor;
         break;
     case eCursor_hyperlink:
         cursor = Qt::PointingHandCursor;
         break;
     case eCursor_ew_resize:
         cursor = Qt::SplitHCursor;
         break;
     case eCursor_ns_resize:
         cursor = Qt::SplitVCursor;
         break;
     case eCursor_nw_resize:
     case eCursor_se_resize:
         cursor = Qt::SizeBDiagCursor;
         break;
     case eCursor_ne_resize:
     case eCursor_sw_resize:
         cursor = Qt::SizeFDiagCursor;
         break;
     case eCursor_crosshair:
     case eCursor_move:
         cursor = Qt::SizeAllCursor;
         break;
     case eCursor_help:
         cursor = Qt::WhatsThisCursor;
         break;
     case eCursor_copy:
     case eCursor_alias:
         break;
     case eCursor_context_menu:
     case eCursor_cell:
     case eCursor_grab:
     case eCursor_grabbing:
     case eCursor_spinning:
     case eCursor_zoom_in:
     case eCursor_zoom_out:
     default:
         break;
     }
     setCursor(cursor);
 }

The Tor Browser / annotate

widget/qt/mozqwidget.cpp@ac0c01689b40 (annotated)

widget/qt/mozqwidget.cpp