/*

* Copyright (C) 2025 Igalia S.L.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

*

* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,

* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS

* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF

* THE POSSIBILITY OF SUCH DAMAGE.

*/

#include "config.h"

#include "ValidationBubbleGtk.h"

#include "GtkVersioning.h"

#include "WebKitWebViewBasePrivate.h"

#include <wtf/glib/GUniquePtr.h>

#include <wtf/text/CStringView.h>

#include <wtf/text/MakeString.h>

namespace WebKit {

ValidationBubbleGtk::ValidationBubbleGtk(GtkWidget* webView, String&& message, const WebCore::ValidationBubble::Settings& settings)

: m_webView(webView)

{

m_message = WTF::move(message);

static constexpr double minFontSize = 11;

m_fontSize = std::max(settings.minimumFontSize, minFontSize);

GtkWidget* label = gtk_label_new(nullptr);

// https://docs.gtk.org/Pango/pango_markup.html

auto messageUTF8 = m_message.utf8();

GUniquePtr<char> escapedMessage(g_markup_escape_text(messageUTF8.data(), messageUTF8.length()));

String markup = makeString("<span font='"_s, m_fontSize, "'>"_s, CStringView::unsafeFromUTF8(escapedMessage.get()), "</span>"_s);

gtk_label_set_markup(GTK_LABEL(label), markup.utf8().data());

gtk_widget_set_halign(label, GTK_ALIGN_START);

gtk_widget_set_valign(label, GTK_ALIGN_CENTER);

static constexpr int margin = 5;

gtk_widget_set_margin_top(label, margin);

gtk_widget_set_margin_bottom(label, margin);

gtk_widget_set_margin_start(label, margin);

gtk_widget_set_margin_end(label, margin);

gtk_label_set_ellipsize(GTK_LABEL(label), PANGO_ELLIPSIZE_END);

gtk_label_set_line_wrap(GTK_LABEL(label), TRUE);

static constexpr int labelLines = 4;

gtk_label_set_lines(GTK_LABEL(label), labelLines);

static constexpr int maxLabelWidthChars = 40;

gtk_label_set_max_width_chars(GTK_LABEL(label), maxLabelWidthChars);

#if USE(GTK4)

m_popover = gtk_popover_new();

gtk_popover_set_autohide(GTK_POPOVER(m_popover), FALSE);

gtk_popover_set_child(GTK_POPOVER(m_popover), label);

gtk_widget_set_parent(m_popover, m_webView.get());

#else

m_popover = gtk_popover_new(m_webView.get());

gtk_popover_set_modal(GTK_POPOVER(m_popover), FALSE);

gtk_popover_set_constrain_to(GTK_POPOVER(m_popover), GTK_POPOVER_CONSTRAINT_NONE);

gtk_container_add(GTK_CONTAINER(m_popover), label);

gtk_widget_show(label);

#endif

gtk_popover_set_position(GTK_POPOVER(m_popover), GTK_POS_TOP);

g_signal_connect_swapped(m_popover, "closed", G_CALLBACK(+[](ValidationBubbleGtk* validationBubble) {

validationBubble->invalidate();

}), this);

}

ValidationBubbleGtk::~ValidationBubbleGtk()

{

invalidate();

}

void ValidationBubbleGtk::invalidate()

{

if (!m_popover)

return;

g_signal_handlers_disconnect_by_data(m_popover, this);

#if USE(GTK4)

g_clear_pointer(&m_popover, gtk_widget_unparent);

#else

g_clear_pointer(&m_popover, gtk_widget_destroy);

#endif

if (m_webView)

webkitWebViewBaseSetShouldNotifyFocusEvents(WEBKIT_WEB_VIEW_BASE(m_webView.get()), true);

}

void ValidationBubbleGtk::showRelativeTo(const WebCore::IntRect& anchorRect)

{

if (!m_webView)

return;

webkitWebViewBaseSetShouldNotifyFocusEvents(WEBKIT_WEB_VIEW_BASE(m_webView.get()), false);

GdkRectangle rect(anchorRect);

gtk_popover_set_pointing_to(GTK_POPOVER(m_popover), &rect);

gtk_popover_popup(GTK_POPOVER(m_popover));

}

} // namespace WebKit