message_view::message_view(QWidget* parent, msg_list_window* sub_parent) : QWidget(parent)
{
m_pmsg=NULL;
m_content_type_shown = 0;
m_zoom_factor=1.0;
m_parent = sub_parent;
setAutoFillBackground(true);
QPalette pal = palette();
pal.setColor(QPalette::Active, QPalette::Background, Qt::white);
pal.setColor(QPalette::Inactive, QPalette::Background, Qt::white);
setPalette(pal);
enable_page_nav(false, false);
m_bodyv = new body_view();
QVBoxLayout* top_layout=new QVBoxLayout(this);
top_layout->setContentsMargins(0,0,0,0);
top_layout->setSpacing(0);
top_layout->addWidget(m_bodyv);
connect(m_bodyv, SIGNAL(loadFinished(bool)), this, SLOT(load_finished(bool)));
connect(m_bodyv, SIGNAL(external_contents_requested()), this,
SLOT(ask_for_external_contents()));
connect(m_bodyv, SIGNAL(popup_body_context_menu()), SIGNAL(popup_body_context_menu()));
if (m_parent) {
connect(m_bodyv->page(),
SIGNAL(linkHovered(const QString&,const QString, const QString&)),
this, SLOT(display_link(const QString&)));
}
connect(m_bodyv, SIGNAL(linkClicked(const QUrl&)), this, SLOT(link_clicked(const QUrl&)));
QShortcut* t = new QShortcut(QKeySequence(tr("Ctrl+A", "Select all")), this);
t->setContext(Qt::WidgetWithChildrenShortcut);
connect(t, SIGNAL(activated()), this, SLOT(select_all_text()));
}
message_view::message_view(QWidget* parent, msg_list_window* sub_parent) : QScrollArea(parent)
{
m_pmsg=NULL;
m_content_type_shown = 0;
m_zoom_factor=1.0;
m_parent = sub_parent;
setAutoFillBackground(true);
QPalette pal = palette();
pal.setColor(QPalette::Active, QPalette::Background, Qt::white);
pal.setColor(QPalette::Inactive, QPalette::Background, Qt::white);
setPalette(pal);
enable_page_nav(false, false);
m_headersv = new headers_view();
m_bodyv = new body_view();
QVBoxLayout* top_layout=new QVBoxLayout(this);
m_frame = new QFrame();
m_frame->setFrameStyle(QFrame::Box | QFrame::Raised);
m_frame->setLineWidth(0);
m_frame->setMinimumSize(QSize(200,200));
// m_frame->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
top_layout->addWidget(m_frame);
QVBoxLayout* l =new QVBoxLayout(m_frame);
l->setContentsMargins(0,0,0,0);
l->setSpacing(0);
l->addWidget(m_headersv);
l->setStretchFactor(m_headersv, 0);
l->addWidget(m_bodyv);
l->setStretchFactor(m_bodyv, 1);
this->setWidget(m_frame); // for the scrollarea
connect(m_bodyv, SIGNAL(wheel(QWheelEvent*)), this, SLOT(wheel_body(QWheelEvent*)));
connect(m_bodyv, SIGNAL(loadFinished(bool)), this, SLOT(load_finished(bool)));
connect(m_bodyv, SIGNAL(external_contents_requested()), this,
SLOT(ask_for_external_contents()));
connect(m_bodyv, SIGNAL(key_space_pressed()), this, SLOT(page_down()));
connect(m_bodyv, SIGNAL(popup_body_context_menu()), SIGNAL(popup_body_context_menu()));
if (m_parent) {
connect(m_bodyv->page(),
SIGNAL(linkHovered(const QString&,const QString, const QString&)),
m_parent, SLOT(show_status_message(const QString&)));
}
connect(m_headersv, SIGNAL(fetch_ext_contents()), this, SLOT(allow_external_contents()));
connect(m_headersv, SIGNAL(to_text()), this, SLOT(show_text_part()));
connect(m_headersv, SIGNAL(to_html()), this, SLOT(show_html_part()));
connect(m_headersv, SIGNAL(complete_load_request()), this, SLOT(complete_body_load()));
m_header_has_selection=false;
connect(m_headersv, SIGNAL(copyAvailable(bool)), this, SLOT(headers_own_selection(bool)));
connect(m_headersv, SIGNAL(selectionChanged()), this, SLOT(headers_selection_changed()));
connect(m_headersv, SIGNAL(msg_display_request()), this, SIGNAL(on_demand_show_request()));
connect(m_bodyv->page(), SIGNAL(selectionChanged()), this, SLOT(body_selection_changed()));
}
body_view::body_view(QWidget* parent) : QWebView(parent)
{
m_pmsg=NULL;
m_loaded=false;
page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
m_netman = new network_manager(this);
page()->setNetworkAccessManager(m_netman);
connect(m_netman, SIGNAL(external_contents_requested()), this,
SLOT(ask_perm_for_contents()));
QWebSettings* settings=page()->settings();
settings->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
settings->setAttribute(QWebSettings::JavascriptEnabled, false);
settings->setAttribute(QWebSettings::JavaEnabled, false);
settings->setAttribute(QWebSettings::PluginsEnabled, false);
settings->setAttribute(QWebSettings::LinksIncludedInFocusChain, false);
set_body_style();
}
/* outgoingData is always 0 for Get and Head requests */
QNetworkReply*
network_manager::createRequest(Operation op, const QNetworkRequest& req, QIODevice* outgoingData)
{
DBG_PRINTF(5, "createRequest for %s", req.url().toString().toLocal8Bit().constData());
if (op!=GetOperation) {
// only GET is currently supported, see if HEAD should be
return empty_network_reply(op, req);
}
const QUrl& url = req.url();
// the request refers to attached contents
if (req.url().scheme() == "cid") {
// refers to a MIME part that should be attached
if (m_pmsg) {
attachment* a = m_pmsg->attachments().get_by_content_id(req.url().path());
if (a!=NULL) {
attachment_network_reply* reply = a->network_reply(req, this);
connect(reply, SIGNAL(error(QNetworkReply::NetworkError)),
this, SLOT(download_error(QNetworkReply::NetworkError)));
connect(reply, SIGNAL(downloadProgress(qint64,qint64)),
this, SLOT(download_progress(qint64,qint64)));
connect(reply, SIGNAL(finished()), this, SLOT(download_finished()));
return reply;
}
}
return empty_network_reply(op, req);
}
else if (url.scheme()=="manitou" && (url.authority()=="xface" || url.authority()=="face")) {
if (url.hasQueryItem("id") && url.hasQueryItem("o")) {
QString headers = m_pmsg->get_headers();
bool id_ok, o_ok;
uint id = url.queryItemValue("id").toUInt(&id_ok);
int offset = url.queryItemValue("o").toInt(&o_ok);
if (id_ok && o_ok && id == m_pmsg->get_id()) {
int lf_pos = headers.indexOf('\n', offset);
QString ascii_line;
if (lf_pos>0) {
ascii_line = headers.mid(offset, lf_pos-offset);
}
else {
ascii_line = headers.mid(offset);
}
ascii_line.replace(" ", "");
int type = url.authority()=="face" ? 1:2;
return new internal_img_network_reply(req, ascii_line, type, this);
}
}
return empty_network_reply(op, req);
}
else if (req.url().scheme()=="style") { // internal scheme for styling contents
return new internal_style_network_reply(req, m_body_style, this);
}
// the request refers to external contents
if (m_ext_download_permitted) {
// qDebug() << "op accepted for " << req.url().toString();
return QNetworkAccessManager::createRequest(op, req, outgoingData);
}
else {
if (!m_ext_download_permission_asked) {
// let know that contents were skipped so that the user can be
// presented with the choice to fetch them or not
emit external_contents_requested();
m_ext_download_permission_asked=true;
}
return empty_network_reply(op, req);
}
}
void
body_view::ask_perm_for_contents()
{
// transmit signal upwards
emit external_contents_requested();
}
