PasteboardHelper.cpp [plain text]
#include "config.h"
#include "PasteboardHelper.h"
#include "Chrome.h"
#include "DataObjectGtk.h"
#include "Frame.h"
#include "Page.h"
#include "Pasteboard.h"
#include "TextResourceDecoder.h"
#include <gtk/gtk.h>
#include <wtf/gobject/GOwnPtr.h>
namespace WebCore {
static GdkAtom gdkMarkupAtom = gdk_atom_intern("text/html", FALSE);
static GdkAtom netscapeURLAtom = gdk_atom_intern("_NETSCAPE_URL", FALSE);
static GdkAtom uriListAtom = gdk_atom_intern("text/uri-list", FALSE);
PasteboardHelper::PasteboardHelper()
: m_targetList(gtk_target_list_new(0, 0))
{
}
PasteboardHelper::~PasteboardHelper()
{
gtk_target_list_unref(m_targetList);
}
void PasteboardHelper::initializeTargetList()
{
gtk_target_list_add_text_targets(m_targetList, getIdForTargetType(TargetTypeText));
gtk_target_list_add(m_targetList, gdkMarkupAtom, 0, getIdForTargetType(TargetTypeMarkup));
gtk_target_list_add_uri_targets(m_targetList, getIdForTargetType(TargetTypeURIList));
gtk_target_list_add(m_targetList, netscapeURLAtom, 0, getIdForTargetType(TargetTypeNetscapeURL));
}
static inline GtkWidget* widgetFromFrame(Frame* frame)
{
ASSERT(frame);
Page* page = frame->page();
ASSERT(page);
Chrome* chrome = page->chrome();
ASSERT(chrome);
PlatformPageClient client = chrome->platformPageClient();
ASSERT(client);
return client;
}
GtkClipboard* PasteboardHelper::getCurrentClipboard(Frame* frame)
{
if (usePrimarySelectionClipboard(widgetFromFrame(frame)))
return getPrimarySelectionClipboard(frame);
return getClipboard(frame);
}
GtkClipboard* PasteboardHelper::getClipboard(Frame* frame) const
{
return gtk_widget_get_clipboard(widgetFromFrame(frame), GDK_SELECTION_CLIPBOARD);
}
GtkClipboard* PasteboardHelper::getPrimarySelectionClipboard(Frame* frame) const
{
return gtk_widget_get_clipboard(widgetFromFrame(frame), GDK_SELECTION_PRIMARY);
}
GtkTargetList* PasteboardHelper::targetList() const
{
return m_targetList;
}
static Vector<KURL> urisToKURLVector(gchar** uris)
{
ASSERT(uris);
Vector<KURL> uriList;
for (int i = 0; *(uris + i); i++)
uriList.append(KURL(KURL(), *(uris + i)));
return uriList;
}
void PasteboardHelper::getClipboardContents(GtkClipboard* clipboard)
{
DataObjectGtk* dataObject = DataObjectGtk::forClipboard(clipboard);
ASSERT(dataObject);
if (gtk_clipboard_wait_is_text_available(clipboard)) {
GOwnPtr<gchar> textData(gtk_clipboard_wait_for_text(clipboard));
if (textData)
dataObject->setText(String::fromUTF8(textData.get()));
}
if (gtk_clipboard_wait_is_target_available(clipboard, gdkMarkupAtom)) {
if (GtkSelectionData* data = gtk_clipboard_wait_for_contents(clipboard, gdkMarkupAtom)) {
RefPtr<TextResourceDecoder> decoder(TextResourceDecoder::create("text/plain", "UTF-8", true));
String markup(decoder->decode(reinterpret_cast<char*>(data->data), data->length));
markup += decoder->flush();
dataObject->setMarkup(markup);
gtk_selection_data_free(data);
}
}
if (gtk_clipboard_wait_is_target_available(clipboard, uriListAtom)) {
if (GtkSelectionData* data = gtk_clipboard_wait_for_contents(clipboard, uriListAtom)) {
gchar** uris = gtk_selection_data_get_uris(data);
if (uris) {
dataObject->setURIList(urisToKURLVector(uris));
g_strfreev(uris);
}
gtk_selection_data_free(data);
}
}
}
void PasteboardHelper::fillSelectionData(GtkSelectionData* selectionData, guint info, DataObjectGtk* dataObject)
{
if (info == getIdForTargetType(TargetTypeText))
gtk_selection_data_set_text(selectionData, dataObject->text().utf8().data(), -1);
else if (info == getIdForTargetType(TargetTypeMarkup)) {
GOwnPtr<gchar> markup(g_strdup(dataObject->markup().utf8().data()));
gtk_selection_data_set(selectionData, selectionData->target, 8,
reinterpret_cast<const guchar*>(markup.get()), strlen(markup.get()));
} else if (info == getIdForTargetType(TargetTypeURIList)) {
Vector<KURL> uriList(dataObject->uriList());
gchar** uris = g_new0(gchar*, uriList.size() + 1);
for (size_t i = 0; i < uriList.size(); i++)
uris[i] = g_strdup(uriList[i].string().utf8().data());
gtk_selection_data_set_uris(selectionData, uris);
g_strfreev(uris);
} else if (info == getIdForTargetType(TargetTypeNetscapeURL) && dataObject->hasURL()) {
String url(dataObject->url());
String result(url);
result.append("\n");
if (dataObject->hasText())
result.append(dataObject->text());
else
result.append(url);
GOwnPtr<gchar> resultData(g_strdup(result.utf8().data()));
gtk_selection_data_set(selectionData, selectionData->target, 8,
reinterpret_cast<const guchar*>(resultData.get()), strlen(resultData.get()));
} else if (info == getIdForTargetType(TargetTypeImage))
gtk_selection_data_set_pixbuf(selectionData, dataObject->image());
}
GtkTargetList* PasteboardHelper::targetListForDataObject(DataObjectGtk* dataObject)
{
GtkTargetList* list = gtk_target_list_new(0, 0);
if (dataObject->hasText())
gtk_target_list_add_text_targets(list, getIdForTargetType(TargetTypeText));
if (dataObject->hasMarkup())
gtk_target_list_add(list, gdkMarkupAtom, 0, getIdForTargetType(TargetTypeMarkup));
if (dataObject->hasURIList()) {
gtk_target_list_add_uri_targets(list, getIdForTargetType(TargetTypeURIList));
gtk_target_list_add(list, netscapeURLAtom, 0, getIdForTargetType(TargetTypeNetscapeURL));
}
if (dataObject->hasImage())
gtk_target_list_add_image_targets(list, getIdForTargetType(TargetTypeImage), TRUE);
return list;
}
static DataObjectGtk* settingClipboardDataObject = 0;
static void getClipboardContentsCallback(GtkClipboard* clipboard, GtkSelectionData *selectionData, guint info, gpointer data)
{
DataObjectGtk* dataObject = DataObjectGtk::forClipboard(clipboard);
ASSERT(dataObject);
Pasteboard::generalPasteboard()->helper()->fillSelectionData(selectionData, info, dataObject);
}
static void clearClipboardContentsCallback(GtkClipboard* clipboard, gpointer data)
{
DataObjectGtk* dataObject = DataObjectGtk::forClipboard(clipboard);
ASSERT(dataObject);
if (dataObject != settingClipboardDataObject)
dataObject->clear();
if (!data)
return;
GClosure* callback = static_cast<GClosure*>(data);
GValue firstArgument = {0, {{0}}};
g_value_init(&firstArgument, G_TYPE_POINTER);
g_value_set_pointer(&firstArgument, clipboard);
g_closure_invoke(callback, 0, 1, &firstArgument, 0);
g_closure_unref(callback);
}
void PasteboardHelper::writeClipboardContents(GtkClipboard* clipboard, GClosure* callback)
{
DataObjectGtk* dataObject = DataObjectGtk::forClipboard(clipboard);
GtkTargetList* list = targetListForDataObject(dataObject);
int numberOfTargets;
GtkTargetEntry* table = gtk_target_table_new_from_list(list, &numberOfTargets);
if (numberOfTargets > 0 && table) {
settingClipboardDataObject = dataObject;
gtk_clipboard_set_with_data(clipboard, table, numberOfTargets,
getClipboardContentsCallback, clearClipboardContentsCallback, callback);
settingClipboardDataObject = 0;
} else
gtk_clipboard_clear(clipboard);
if (table)
gtk_target_table_free(table, numberOfTargets);
gtk_target_list_unref(list);
}
}