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/*
* Copyright (C) 2007 Holger Hans Peter Freyther
* Copyright (C) 2007 Alp Toker <alp@atoker.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "Pasteboard.h"
#include "CString.h"
#include "DocumentFragment.h"
#include "Frame.h"
#include "NotImplemented.h"
#include "PlatformString.h"
#include "TextResourceDecoder.h"
#include "Image.h"
#include "RenderImage.h"
#include "KURL.h"
#include "markup.h"
#include <gtk/gtk.h>
namespace WebCore {
class PasteboardSelectionData {
public:
PasteboardSelectionData(gchar* text, gchar* markup)
: m_text(text)
, m_markup(markup) { }
~PasteboardSelectionData() {
g_free(m_text);
g_free(m_markup);
}
const gchar* text() const { return m_text; }
const gchar* markup() const { return m_markup; }
private:
gchar* m_text;
gchar* m_markup;
};
static void clipboard_get_contents_cb(GtkClipboard *clipboard, GtkSelectionData *selection_data,
guint info, gpointer data) {
PasteboardSelectionData* clipboardData = reinterpret_cast<PasteboardSelectionData*>(data);
ASSERT(clipboardData);
if (info == Pasteboard::generalPasteboard()->helper()->getIdForTargetType(PasteboardHelper::TargetTypeMarkup))
gtk_selection_data_set(selection_data, selection_data->target, 8,
reinterpret_cast<const guchar*>(clipboardData->markup()),
strlen(clipboardData->markup()));
else
gtk_selection_data_set_text(selection_data, clipboardData->text(), -1);
}
static void clipboard_clear_contents_cb(GtkClipboard *clipboard, gpointer data) {
PasteboardSelectionData* clipboardData = reinterpret_cast<PasteboardSelectionData*>(data);
ASSERT(clipboardData);
delete clipboardData;
}
Pasteboard* Pasteboard::generalPasteboard()
{
static Pasteboard* pasteboard = new Pasteboard();
return pasteboard;
}
Pasteboard::Pasteboard()
{
notImplemented();
}
Pasteboard::~Pasteboard()
{
delete m_helper;
}
PasteboardHelper* Pasteboard::helper()
{
return m_helper;
}
void Pasteboard::setHelper(PasteboardHelper* helper)
{
m_helper = helper;
}
void Pasteboard::writeSelection(Range* selectedRange, bool canSmartCopyOrDelete, Frame* frame)
{
GtkClipboard* clipboard = m_helper->getClipboard(frame);
gchar* text = g_strdup(frame->selectedText().utf8().data());
gchar* markup = g_strdup(createMarkup(selectedRange, 0, AnnotateForInterchange).utf8().data());
PasteboardSelectionData* data = new PasteboardSelectionData(text, markup);
gint n_targets;
GtkTargetEntry* targets = gtk_target_table_new_from_list(m_helper->targetList(), &n_targets);
gtk_clipboard_set_with_data(clipboard, targets, n_targets,
clipboard_get_contents_cb, clipboard_clear_contents_cb, data);
gtk_target_table_free(targets, n_targets);
}
void Pasteboard::writePlainText(const String& text)
{
CString utf8 = text.utf8();
GtkClipboard* clipboard = gtk_clipboard_get_for_display(gdk_display_get_default(), GDK_SELECTION_CLIPBOARD);
gtk_clipboard_set_text(clipboard, utf8.data(), utf8.length());
}
void Pasteboard::writeURL(const KURL& url, const String&, Frame* frame)
{
if (url.isEmpty())
return;
GtkClipboard* clipboard = m_helper->getClipboard(frame);
GtkClipboard* primary = m_helper->getPrimarySelectionClipboard(frame);
CString utf8 = url.string().utf8();
gtk_clipboard_set_text(clipboard, utf8.data(), utf8.length());
gtk_clipboard_set_text(primary, utf8.data(), utf8.length());
}
void Pasteboard::writeImage(Node* node, const KURL&, const String&)
{
GtkClipboard* clipboard = gtk_clipboard_get_for_display(gdk_display_get_default(), GDK_SELECTION_CLIPBOARD);
ASSERT(node && node->renderer() && node->renderer()->isImage());
RenderImage* renderer = toRenderImage(node->renderer());
CachedImage* cachedImage = renderer->cachedImage();
if (!cachedImage || cachedImage->errorOccurred())
return;
Image* image = cachedImage->image();
ASSERT(image);
GdkPixbuf* pixbuf = image->getGdkPixbuf();
gtk_clipboard_set_image(clipboard, pixbuf);
g_object_unref(pixbuf);
}
void Pasteboard::clear()
{
GtkClipboard* clipboard = gtk_clipboard_get_for_display(gdk_display_get_default(), GDK_SELECTION_CLIPBOARD);
gtk_clipboard_clear(clipboard);
}
bool Pasteboard::canSmartReplace()
{
notImplemented();
return false;
}
PassRefPtr<DocumentFragment> Pasteboard::documentFragment(Frame* frame, PassRefPtr<Range> context,
bool allowPlainText, bool& chosePlainText)
{
GdkAtom textHtml = gdk_atom_intern_static_string("text/html");
GtkClipboard* clipboard = m_helper->getCurrentClipboard(frame);
chosePlainText = false;
if (GtkSelectionData* data = gtk_clipboard_wait_for_contents(clipboard, textHtml)) {
ASSERT(data->data);
RefPtr<TextResourceDecoder> decoder = TextResourceDecoder::create("text/plain", "UTF-8", true);
String html = decoder->decode(reinterpret_cast<char*>(data->data), data->length);
html += decoder->flush();
gtk_selection_data_free(data);
if (!html.isEmpty()) {
RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(frame->document(), html, "", FragmentScriptingNotAllowed);
if (fragment)
return fragment.release();
}
}
if (!allowPlainText)
return 0;
if (gchar* utf8 = gtk_clipboard_wait_for_text(clipboard)) {
String text = String::fromUTF8(utf8);
g_free(utf8);
chosePlainText = true;
RefPtr<DocumentFragment> fragment = createFragmentFromText(context.get(), text);
if (fragment)
return fragment.release();
}
return 0;
}
String Pasteboard::plainText(Frame* frame)
{
GtkClipboard* clipboard = m_helper->getCurrentClipboard(frame);
gchar* utf8 = gtk_clipboard_wait_for_text(clipboard);
if (!utf8)
return String();
String text = String::fromUTF8(utf8);
g_free(utf8);
return text;
}
}
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