Urlbar, first code ported to the new API

1 files changed, 664 insertions, 0 deletions

diff --git a/src/urlbar/listitem.cpp b/src/urlbar/listitem.cpp
new file mode 100644
index 00000000..b47d23bf
--- /dev/null
+++ b/src/urlbar/listitem.cpp
@@ -0,0 +1,664 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2009-2012 by Andrea Diamantini <adjam7 at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+// Self Includes
+#include "listitem.h"
+#include "listitem.moc"
+
+// Auto Includes
+#include "rekonq.h"
+
+// Local Includes
+#include "iconmanager.h"
+
+#include "urlsuggester.h"
+#include "completionwidget.h"
+
+#include "websnap.h"
+#include "searchengine.h"
+
+// KDE Includes
+#include <KIcon>
+#include <KAction>
+#include <kio/jobclasses.h>
+#include <kio/scheduler.h>
+
+// Qt Includes
+#include <QApplication>
+#include <QActionGroup>
+#include <QHBoxLayout>
+#include <QVBoxLayout>
+#include <QSizePolicy>
+#include <QPixmap>
+#include <QStylePainter>
+#include <QMouseEvent>
+#include <QWebSettings>
+#include <QFile>
+#include <QTextDocument>
+#include <QBitArray>
+
+
+ListItem::ListItem(const UrlSuggestionItem &item, QWidget *parent)
+    : QWidget(parent)
+    , m_option()
+    , m_url(item.url)
+{
+    m_option.initFrom(this);
+    m_option.direction = Qt::LeftToRight;
+
+    // use the same application palette (hence, the same colors)
+    // Qt docs says that using this cctor is possible & fast (qt:qpalette)
+    QPalette p(QApplication::palette());
+    setPalette(p);
+
+    deactivate();
+}
+
+
+ListItem::~ListItem()
+{
+    disconnect();
+}
+
+
+void ListItem::activate()
+{
+    m_option.state |= QStyle::State_Selected;
+    update();
+}
+
+
+void ListItem::deactivate()
+{
+    m_option.state  &= ~QStyle::State_Selected;
+    update();
+}
+
+
+void ListItem::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event);
+
+    QWidget::paintEvent(event);
+    QPainter painter(this);
+    m_option.rect = QRect(QPoint(), size());
+    painter.fillRect(m_option.rect, palette().brush(backgroundRole()));
+
+    if (m_option.state.testFlag(QStyle::State_Selected) ||  m_option.state.testFlag(QStyle::State_MouseOver))
+    {
+        style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &m_option, &painter, this);
+    }
+
+}
+
+
+void ListItem::enterEvent(QEvent *e)
+{
+    m_option.state |= QStyle::State_MouseOver;
+    update();
+    QWidget::enterEvent(e);
+}
+
+
+void ListItem::leaveEvent(QEvent *e)
+{
+    m_option.state &= ~QStyle::State_MouseOver;
+    update();
+    QWidget::enterEvent(e);
+}
+
+
+void ListItem::mousePressEvent(QMouseEvent *e)
+{
+    emit itemClicked(this, e->button(), e->modifiers());
+    QWidget::mousePressEvent(e);
+}
+
+
+KUrl ListItem::url()
+{
+    return m_url;
+}
+
+
+QString ListItem::text()
+{
+    return m_url.url();
+}
+
+
+void ListItem::nextItemSubChoice()
+{
+    // will be override
+}
+
+
+// ---------------------------------------------------------------
+
+
+TypeIconLabel::TypeIconLabel(int type, QWidget *parent)
+    : QLabel(parent)
+{
+    setMinimumWidth(16);
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setMargin(0);
+    hLayout->setAlignment(Qt::AlignRight);
+    setLayout(hLayout);
+
+    if (type & UrlSuggestionItem::Search)
+        hLayout->addWidget(getIcon("edit-find"));
+    if (type & UrlSuggestionItem::Browse)
+        hLayout->addWidget(getIcon("applications-internet"));
+    if (type & UrlSuggestionItem::Bookmark)
+        hLayout->addWidget(getIcon("rating"));
+    if (type & UrlSuggestionItem::History)
+        hLayout->addWidget(getIcon("view-history"));
+    if (type & UrlSuggestionItem::Suggestion)
+        hLayout->addWidget(getIcon("help-hint"));
+}
+
+
+QLabel *TypeIconLabel::getIcon(QString icon)
+{
+    QLabel *iconLabel = new QLabel(this);
+    iconLabel->setFixedSize(16, 16);
+    QPixmap pixmap = KIcon(icon).pixmap(16);
+    iconLabel->setPixmap(pixmap);
+    return iconLabel;
+}
+
+
+// ---------------------------------------------------------------
+
+
+IconLabel::IconLabel(const QString &icon, QWidget *parent)
+    : QLabel(parent)
+{
+    QPixmap pixmapIcon = IconManager::self()->iconForUrl(KUrl(icon)).pixmap(16);
+    setFixedSize(16, 16);
+    setPixmap(pixmapIcon);
+}
+
+
+IconLabel::IconLabel(const KIcon &icon, QWidget *parent)
+    : QLabel(parent)
+{
+    QPixmap pixmapIcon = icon.pixmap(16);
+    setFixedSize(16, 16);
+    setPixmap(pixmapIcon);
+}
+
+
+// ---------------------------------------------------------------
+
+
+static QString highlightWordsInText(const QString &text, const QStringList &words)
+{
+    QString ret = text;
+    QBitArray boldSections(ret.size());
+    Q_FOREACH(const QString & wordToPointOut, words)
+    {
+        int index = ret.indexOf(wordToPointOut, 0, Qt::CaseInsensitive);
+        while (index > -1)
+        {
+            boldSections.fill(true, index, index + wordToPointOut.size());
+            index = ret.indexOf(wordToPointOut, index + wordToPointOut.size(), Qt::CaseInsensitive);
+        }
+    }
+
+
+    if (boldSections.isEmpty())
+        return ret;
+
+    int numSections = 0;
+    for (int i = 0; i < boldSections.size() - 1; ++i)
+    {
+        if (boldSections.testBit(i) && !boldSections.testBit(i + 1))
+            ++numSections;
+    }
+    if (boldSections.testBit(boldSections.size() - 1)) //last char was still part of a bold section
+        ++numSections;
+    const int tagLength = 7; // length of "<b>" and "</b>" we're going to add for each bold section.
+    ret.reserve(ret.size() + numSections * tagLength);
+    bool bold = false;
+    for (int i = boldSections.size() - 1; i >= 0; --i)
+    {
+        if (!bold && boldSections.testBit(i))
+        {
+            ret.insert(i + 1, QL1S("</b>"));
+            bold = true;
+        }
+        else if (bold && !boldSections.testBit(i))
+        {
+            ret.insert(i + 1, QL1S("<b>"));
+            bold = false;
+        }
+    }
+    if (bold)
+        ret.insert(0, QL1S("<b>"));
+    return ret;
+}
+
+
+TextLabel::TextLabel(const QString &text, const QString &textToPointOut, QWidget *parent)
+    : QLabel(parent)
+{
+    setTextFormat(Qt::RichText);
+    setMouseTracking(false);
+    QString t = text;
+    const bool wasItalic = t.startsWith(QL1S("<i>"));
+    if (wasItalic)
+        t.remove(QRegExp(QL1S("<[/ib]*>")));
+    t = Qt::escape(t);
+    QStringList words = Qt::escape(textToPointOut.simplified()).split(QL1C(' '));
+    t = highlightWordsInText(t, words);
+    if (wasItalic)
+        t = QL1S("<i>") + t + QL1S("</i>");
+    setText(t);
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+}
+
+
+TextLabel::TextLabel(QWidget *parent)
+    : QLabel(parent)
+{
+    setTextFormat(Qt::RichText);
+    setMouseTracking(false);
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+}
+
+
+void TextLabel::setEngineText(const QString &engine, const QString &text)
+{
+    setText(i18nc("%1=search engine, e.g. Google, Wikipedia %2=text to search for", "Search %1 for <b>%2</b>", engine, Qt::escape(text)));
+}
+
+
+// ---------------------------------------------------------------
+
+
+DescriptionLabel::DescriptionLabel(const QString &text, QWidget *parent)
+    : QLabel(parent)
+{
+    QString t = text;
+    const bool wasItalic = t.startsWith(QL1S("<i>"));
+    if (wasItalic)
+        t.remove(QRegExp("<[/ib]*>"));
+
+    if (wasItalic)
+        t = QL1S("<i>") + t + QL1S("</i>");
+
+    setWordWrap(false); //NOTE: why setWordWrap(true) make items have a strange behavior ?
+    setText(t);
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum);
+}
+
+
+//--------------------------------------------------------------------------------------------
+
+
+PreviewListItem::PreviewListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+    : ListItem(item, parent)
+{
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setSpacing(4);
+
+    // icon
+    hLayout->addWidget(new TypeIconLabel(item.type, this));
+
+    // url + text
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->setMargin(0);
+
+    QString title = item.title;
+    if (title.isEmpty())
+    {
+        title = item.url;
+        title = title.remove("http://");
+        title.truncate(title.indexOf("/"));
+    }
+
+    vLayout->addWidget(new TextLabel(title, text, this));
+    vLayout->addWidget(new TextLabel("<i>" + item.url + "</i>", text, this));
+    hLayout->addLayout(vLayout);
+
+    // preview label icon
+    QLabel *previewLabelIcon = new QLabel(this);
+    previewLabelIcon->setFixedSize(45, 33);
+    new PreviewLabel(item.url, 38, 29, previewLabelIcon);
+    IconLabel* icon = new IconLabel(item.url, previewLabelIcon);
+    icon->move(27, 16);
+    hLayout->addWidget(previewLabelIcon);
+
+    setLayout(hLayout);
+}
+
+
+// ---------------------------------------------------------------
+
+
+PreviewLabel::PreviewLabel(const QString &url, int width, int height, QWidget *parent)
+    : QLabel(parent)
+{
+    setFixedSize(width, height);
+    setFrameStyle(QFrame::StyledPanel | QFrame::Raised);
+
+    KUrl u = KUrl(url);
+    if (WebSnap::existsImage(KUrl(u)))
+    {
+        QPixmap preview;
+        preview.load(WebSnap::imagePathFromUrl(u));
+        setPixmap(preview.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+    }
+}
+
+
+// ---------------------------------------------------------------
+
+
+ImageLabel::ImageLabel(const QString &url, int width, int height, QWidget *parent)
+    : QLabel(parent),
+      m_url(url)
+{
+    setFixedSize(width, height);
+    if (WebSnap::existsImage(KUrl(url)))
+    {
+        QPixmap pix;
+        pix.load(WebSnap::imagePathFromUrl(url));
+        setPixmap(pix);
+    }
+    else
+    {
+        KIO::TransferJob *job = KIO::get(KUrl(url), KIO::NoReload, KIO::HideProgressInfo);
+        connect(job,  SIGNAL(data(KIO::Job*, QByteArray)),
+                this, SLOT(slotData(KJob*, QByteArray)));
+        connect(job,  SIGNAL(result(KJob*)),
+                this, SLOT(slotResult(KJob*)));
+    }
+}
+
+
+void ImageLabel::slotData(KJob *job, const QByteArray &data)
+{
+    Q_UNUSED(job);
+    m_data.append(data);
+}
+
+
+void ImageLabel::slotResult(KJob *)
+{
+    QPixmap pix;
+    if (!pix.loadFromData(m_data))
+        kDebug() << "error while loading image: ";
+    setPixmap(pix);
+    pix.save(WebSnap::imagePathFromUrl(m_url), "PNG");
+}
+
+
+// ---------------------------------------------------------------
+
+
+SearchListItem::SearchListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+    : ListItem(item, parent)
+    , m_text(text)
+{
+    // FIXME
+//     m_iconLabel = new IconLabel(SearchEngine::buildQuery(UrlResolver::searchEngine(), ""), this);
+//     m_titleLabel = new TextLabel(this);
+//     m_titleLabel->setEngineText(UrlResolver::searchEngine()->name(), item.title);
+//     m_engineBar = new EngineBar(UrlResolver::searchEngine(), parent);
+
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setSpacing(4);
+
+    hLayout->addWidget(m_iconLabel);
+    hLayout->addWidget(m_titleLabel);
+    hLayout->addWidget(new QLabel(i18n("Engines: "), this));
+    hLayout->addWidget(m_engineBar);
+    hLayout->addWidget(new TypeIconLabel(item.type, this));
+
+    setLayout(hLayout);
+
+    connect(m_engineBar, SIGNAL(searchEngineChanged(KService::Ptr)), this, SLOT(changeSearchEngine(KService::Ptr)));
+}
+
+
+QString SearchListItem::text()
+{
+    return m_text;
+}
+
+
+void SearchListItem::changeSearchEngine(KService::Ptr engine)
+{
+    // NOTE: This to let rekonq loading text typed in the requested engine on click.
+    // There probably is a better way to do it. I just cannot see it now...
+    UrlSuggestionItem item = UrlSuggestionItem(UrlSuggestionItem::Search, SearchEngine::buildQuery(engine, m_text), m_text);
+    SearchListItem sItem(item, m_text, this);
+    emit itemClicked(&sItem, Qt::LeftButton, Qt::NoModifier);
+}
+
+
+void SearchListItem::nextItemSubChoice()
+{
+    m_engineBar->selectNextEngine();
+}
+
+
+// -----------------------------------------------------------------------------------------------
+
+
+EngineBar::EngineBar(KService::Ptr selectedEngine, QWidget *parent)
+    : KToolBar(parent)
+{
+    setIconSize(QSize(16, 16));
+    setToolButtonStyle(Qt::ToolButtonIconOnly);
+
+    m_engineGroup = new QActionGroup(this);
+    m_engineGroup->setExclusive(true);
+
+    if (SearchEngine::defaultEngine().isNull())
+        return;
+    m_engineGroup->addAction(newEngineAction(SearchEngine::defaultEngine(), selectedEngine));
+    Q_FOREACH(const KService::Ptr & engine, SearchEngine::favorites())
+    {
+        if (engine->desktopEntryName() != SearchEngine::defaultEngine()->desktopEntryName())
+        {
+            m_engineGroup->addAction(newEngineAction(engine, selectedEngine));
+        }
+    }
+
+    addActions(m_engineGroup->actions());
+}
+
+
+KAction *EngineBar::newEngineAction(KService::Ptr engine, KService::Ptr selectedEngine)
+{
+    QUrl u = engine->property("Query").toUrl();
+    KUrl url = KUrl(u.toString(QUrl::RemovePath | QUrl::RemoveQuery));
+
+    KAction *a = new KAction(IconManager::self()->iconForUrl(url), engine->name(), this);
+    a->setCheckable(true);
+    if (engine->desktopEntryName() == selectedEngine->desktopEntryName()) a->setChecked(true);
+    a->setData(engine->entryPath());
+    connect(a, SIGNAL(triggered(bool)), this, SLOT(changeSearchEngine()));
+    return a;
+}
+
+
+void EngineBar::changeSearchEngine()
+{
+    KAction *a = qobject_cast<KAction*>(sender());
+    emit searchEngineChanged(KService::serviceByDesktopPath(a->data().toString()));
+}
+
+
+void EngineBar::selectNextEngine()
+{
+    QList<QAction *> e = m_engineGroup->actions();
+    int i = 0;
+    while (i < e.count() && !e.at(i)->isChecked())
+    {
+        i++;
+    }
+
+    if (i + 1 == e.count())
+    {
+        e.at(0)->setChecked(true);
+        e.at(0)->trigger();
+    }
+    else
+    {
+        e.at(i + 1)->setChecked(true);
+        e.at(i + 1)->trigger();
+    }
+}
+
+
+// ---------------------------------------------------------------
+
+
+SuggestionListItem::SuggestionListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+    : ListItem(item, parent)
+    , m_text(item.title)
+{
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setSpacing(4);
+
+    hLayout->addWidget(new IconLabel(item.url, this));
+    hLayout->addWidget(new TextLabel(item.title, text, this));
+    hLayout->addWidget(new TypeIconLabel(item.type, this));
+
+    setLayout(hLayout);
+}
+
+
+QString SuggestionListItem::text()
+{
+    return m_text;
+}
+
+
+// ---------------------------------------------------------------
+
+
+VisualSuggestionListItem::VisualSuggestionListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+    : ListItem(item, parent)
+    , m_text(item.title)
+{
+
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setSpacing(4);
+    QLabel *previewLabelIcon = new QLabel(this);
+
+    if (!item.image.isEmpty())
+    {
+        previewLabelIcon->setFixedSize(item.image_width + 10, item.image_height + 10);
+        new ImageLabel(item.image, item.image_width, item.image_height, previewLabelIcon);
+        IconLabel* icon = new IconLabel(item.url, previewLabelIcon);
+        icon->move(item.image_width - 10,  item.image_height - 10);
+    }
+    else
+    {
+        previewLabelIcon->setFixedSize(18, 18);
+        new IconLabel(item.url, previewLabelIcon);
+    }
+
+    hLayout->addWidget(previewLabelIcon);
+    QVBoxLayout *vLayout = new QVBoxLayout;
+    vLayout->setMargin(0);
+    vLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::MinimumExpanding));
+    vLayout->addWidget(new TextLabel(item.title, text, this));
+    DescriptionLabel *d = new DescriptionLabel("", this);
+    vLayout->addWidget(d);
+    vLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::MinimumExpanding));
+    hLayout->addLayout(vLayout);
+    hLayout->addWidget(new TypeIconLabel(item.type, this));
+    setLayout(hLayout);
+    d->setText("<i>" + item.description + "</i>");
+}
+
+
+QString VisualSuggestionListItem::text()
+{
+    return m_text;
+}
+
+
+// ---------------------------------------------------------------
+
+
+BrowseListItem::BrowseListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+    : ListItem(item, parent)
+{
+    QHBoxLayout *hLayout = new QHBoxLayout;
+    hLayout->setSpacing(4);
+
+    hLayout->addWidget(new IconLabel(item.url, this));
+    hLayout->addWidget(new TextLabel(item.url, text, this));
+    hLayout->addWidget(new TypeIconLabel(item.type, this));
+
+    setLayout(hLayout);
+}
+
+
+// ---------------------------------------------------------------
+
+
+ListItem *ListItemFactory::create(const UrlSuggestionItem &item, const QString &text, QWidget *parent)
+{
+    if (item.type & UrlSuggestionItem::Search)
+    {
+        return new SearchListItem(item, text, parent);
+    }
+
+    if (item.type & UrlSuggestionItem::Browse)
+    {
+        return new BrowseListItem(item, text, parent);
+    }
+
+    if (item.type & UrlSuggestionItem::History)
+    {
+        return new PreviewListItem(item, text, parent);
+    }
+
+    if (item.type & UrlSuggestionItem::Bookmark)
+    {
+        return new PreviewListItem(item, text, parent);
+    }
+
+    if (item.type & UrlSuggestionItem::Suggestion)
+    {
+        if (item.description.isEmpty())
+        {
+            return new SuggestionListItem(item, text, parent);
+        }
+
+        return new VisualSuggestionListItem(item, text, parent);
+    }
+
+    return new PreviewListItem(item, text, parent);
+}