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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2022, Matthew Costa <ucosty@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "Tab.h"
#include "BrowserWindow.h"
#include "History.h"
#include "Settings.h"
#include "Utilities.h"
#include <QCoreApplication>
#include <QFont>
#include <QFontMetrics>
#include <QPlainTextEdit>
#include <QPoint>
#include <QResizeEvent>
extern String s_serenity_resource_root;
extern Browser::Settings* s_settings;
Tab::Tab(BrowserWindow* window)
: QWidget(window)
, m_window(window)
{
m_layout = new QBoxLayout(QBoxLayout::Direction::TopToBottom, this);
m_layout->setSpacing(0);
m_layout->setContentsMargins(0, 0, 0, 0);
m_view = new WebContentView;
m_toolbar = new QToolBar(this);
m_location_edit = new QLineEdit(this);
m_hover_label = new QLabel(this);
m_hover_label->hide();
m_hover_label->setFrameShape(QFrame::Shape::Box);
m_hover_label->setAutoFillBackground(true);
auto* focus_location_editor_action = new QAction("Edit Location");
focus_location_editor_action->setShortcut(QKeySequence("Ctrl+L"));
addAction(focus_location_editor_action);
m_layout->addWidget(m_toolbar);
m_layout->addWidget(m_view);
auto back_icon_path = QString("%1/res/icons/16x16/go-back.png").arg(s_serenity_resource_root.characters());
auto forward_icon_path = QString("%1/res/icons/16x16/go-forward.png").arg(s_serenity_resource_root.characters());
auto home_icon_path = QString("%1/res/icons/16x16/go-home.png").arg(s_serenity_resource_root.characters());
auto reload_icon_path = QString("%1/res/icons/16x16/reload.png").arg(s_serenity_resource_root.characters());
m_back_action = make<QAction>(QIcon(back_icon_path), "Back");
m_back_action->setEnabled(false);
m_back_action->setShortcuts(QKeySequence::keyBindings(QKeySequence::StandardKey::Back));
m_forward_action = make<QAction>(QIcon(forward_icon_path), "Forward");
m_forward_action->setEnabled(false);
m_forward_action->setShortcuts(QKeySequence::keyBindings(QKeySequence::StandardKey::Forward));
m_home_action = make<QAction>(QIcon(home_icon_path), "Home");
m_reload_action = make<QAction>(QIcon(reload_icon_path), "Reload");
m_reload_action->setShortcut(QKeySequence("Ctrl+R"));
m_toolbar->addAction(m_back_action);
m_toolbar->addAction(m_forward_action);
m_toolbar->addAction(m_reload_action);
m_toolbar->addAction(m_home_action);
m_toolbar->addWidget(m_location_edit);
QObject::connect(m_view, &WebContentView::link_hovered, [this](QString const& title) {
m_hover_label->setText(title);
update_hover_label();
m_hover_label->show();
});
QObject::connect(m_view, &WebContentView::link_unhovered, [this] {
m_hover_label->hide();
});
QObject::connect(m_view, &WebContentView::load_started, [this](const URL& url) {
m_location_edit->setText(url.to_string().characters());
m_history.push(url, m_title.toUtf8().data());
m_back_action->setEnabled(m_history.can_go_back());
m_forward_action->setEnabled(m_history.can_go_forward());
});
QObject::connect(m_location_edit, &QLineEdit::returnPressed, this, &Tab::location_edit_return_pressed);
QObject::connect(m_view, &WebContentView::title_changed, this, &Tab::page_title_changed);
QObject::connect(m_view, &WebContentView::favicon_changed, this, &Tab::page_favicon_changed);
QObject::connect(m_back_action, &QAction::triggered, this, &Tab::back);
QObject::connect(m_forward_action, &QAction::triggered, this, &Tab::forward);
QObject::connect(m_home_action, &QAction::triggered, this, &Tab::home);
QObject::connect(m_reload_action, &QAction::triggered, this, &Tab::reload);
QObject::connect(focus_location_editor_action, &QAction::triggered, this, &Tab::focus_location_editor);
QObject::connect(m_view, &WebContentView::got_source, this, [this](AK::URL, QString const& source) {
auto* text_edit = new QPlainTextEdit(this);
text_edit->setWindowFlags(Qt::Window);
text_edit->setFont(QFontDatabase::systemFont(QFontDatabase::SystemFont::FixedFont));
text_edit->resize(800, 600);
text_edit->setPlainText(source);
text_edit->show();
});
// FIXME: This is a hack to make the JS console usable in new windows.
// Something else should ensure that there's an initial about:blank document loaded in the view.
m_view->load("about:blank"sv);
}
void Tab::focus_location_editor()
{
m_location_edit->setFocus();
m_location_edit->selectAll();
}
void Tab::navigate(QString url)
{
if (!url.startsWith("http://", Qt::CaseInsensitive) && !url.startsWith("https://", Qt::CaseInsensitive) && !url.startsWith("file://", Qt::CaseInsensitive))
url = "http://" + url;
view().load(akstring_from_qstring(url));
}
void Tab::back()
{
if (!m_history.can_go_back())
return;
m_history.go_back();
view().load(m_history.current().url.to_string());
}
void Tab::forward()
{
if (!m_history.can_go_forward())
return;
m_history.go_forward();
view().load(m_history.current().url.to_string());
}
void Tab::home()
{
navigate(s_settings->homepage());
}
void Tab::reload()
{
view().reload();
}
void Tab::location_edit_return_pressed()
{
navigate(m_location_edit->text());
}
void Tab::page_title_changed(QString title)
{
m_title = title;
m_history.update_title(akstring_from_qstring(m_title));
emit title_changed(tab_index(), std::move(title));
}
void Tab::page_favicon_changed(QIcon icon)
{
emit favicon_changed(tab_index(), std::move(icon));
}
int Tab::tab_index()
{
return m_window->tab_index(this);
}
void Tab::debug_request(String const& request, String const& argument)
{
if (request == "dump-history")
m_history.dump();
else
m_view->debug_request(request, argument);
}
void Tab::resizeEvent(QResizeEvent* event)
{
QWidget::resizeEvent(event);
if (m_hover_label->isVisible())
update_hover_label();
}
void Tab::update_hover_label()
{
m_hover_label->resize(QFontMetrics(m_hover_label->font()).boundingRect(m_hover_label->text()).adjusted(-4, -2, 4, 2).size());
m_hover_label->move(6, height() - m_hover_label->height() - 8);
m_hover_label->raise();
}
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