WebContextMenuProxyGtk.cpp [plain text]
#include "config.h"
#include "WebContextMenuProxyGtk.h"
#if ENABLE(CONTEXT_MENUS)
#include "APIContextMenuClient.h"
#include "NativeWebMouseEvent.h"
#include "WebContextMenuItem.h"
#include "WebContextMenuItemData.h"
#include "WebKitWebViewBasePrivate.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
#include <WebCore/GtkUtilities.h>
#include <gtk/gtk.h>
#include <wtf/text/CString.h>
static const char* gContextMenuActionId = "webkit-context-menu-action";
using namespace WebCore;
namespace WebKit {
static void contextMenuItemActivatedCallback(GtkAction* action, WebPageProxy* page)
{
gboolean isToggle = GTK_IS_TOGGLE_ACTION(action);
WebContextMenuItemData item(isToggle ? CheckableActionType : ActionType,
static_cast<ContextMenuAction>(GPOINTER_TO_INT(g_object_get_data(G_OBJECT(action), gContextMenuActionId))),
String::fromUTF8(gtk_action_get_label(action)), gtk_action_get_sensitive(action),
isToggle ? gtk_toggle_action_get_active(GTK_TOGGLE_ACTION(action)) : false);
page->contextMenuItemSelected(item);
}
static void contextMenuItemVisibilityChanged(GtkAction*, GParamSpec*, WebContextMenuProxyGtk* contextMenuProxy)
{
GtkMenu* menu = contextMenuProxy->gtkMenu();
if (!menu)
return;
GUniquePtr<GList> items(gtk_container_get_children(GTK_CONTAINER(menu)));
bool previousVisibleItemIsNotASeparator = false;
GtkWidget* lastItemVisibleSeparator = 0;
for (GList* iter = items.get(); iter; iter = g_list_next(iter)) {
GtkWidget* widget = GTK_WIDGET(iter->data);
if (GTK_IS_SEPARATOR_MENU_ITEM(widget)) {
if (previousVisibleItemIsNotASeparator) {
gtk_widget_show(widget);
lastItemVisibleSeparator = widget;
previousVisibleItemIsNotASeparator = false;
} else
gtk_widget_hide(widget);
} else if (gtk_widget_get_visible(widget)) {
lastItemVisibleSeparator = 0;
previousVisibleItemIsNotASeparator = true;
}
}
if (lastItemVisibleSeparator)
gtk_widget_hide(lastItemVisibleSeparator);
}
void WebContextMenuProxyGtk::append(GtkMenu* menu, const WebContextMenuItemGtk& menuItem)
{
unsigned long signalHandlerId;
GtkWidget* gtkMenuItem;
if (GtkAction* action = menuItem.gtkAction()) {
gtkMenuItem = gtk_action_create_menu_item(action);
switch (menuItem.type()) {
case ActionType:
case CheckableActionType:
g_object_set_data(G_OBJECT(action), gContextMenuActionId, GINT_TO_POINTER(menuItem.action()));
signalHandlerId = g_signal_connect(action, "activate", G_CALLBACK(contextMenuItemActivatedCallback), m_page);
m_signalHandlers.set(signalHandlerId, action);
signalHandlerId = g_signal_connect(action, "notify::visible", G_CALLBACK(contextMenuItemVisibilityChanged), this);
m_signalHandlers.set(signalHandlerId, action);
break;
case SubmenuType: {
signalHandlerId = g_signal_connect(action, "notify::visible", G_CALLBACK(contextMenuItemVisibilityChanged), this);
m_signalHandlers.set(signalHandlerId, action);
GtkMenu* submenu = GTK_MENU(gtk_menu_new());
for (const auto& item : menuItem.submenuItems())
append(submenu, item);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtkMenuItem), GTK_WIDGET(submenu));
break;
}
case SeparatorType:
ASSERT_NOT_REACHED();
break;
}
} else {
ASSERT(menuItem.type() == SeparatorType);
gtkMenuItem = gtk_separator_menu_item_new();
}
gtk_menu_shell_append(GTK_MENU_SHELL(menu), gtkMenuItem);
gtk_widget_show(gtkMenuItem);
}
void WebContextMenuProxyGtk::populate(Vector<WebContextMenuItemGtk>& items)
{
bool previousIsSeparator = false;
bool isEmpty = true;
for (size_t i = 0; i < items.size(); i++) {
WebContextMenuItemGtk& menuItem = items.at(i);
if (menuItem.type() == SeparatorType) {
previousIsSeparator = true;
continue;
}
if (previousIsSeparator && !isEmpty)
append(m_menu, items.at(i - 1));
previousIsSeparator = false;
append(m_menu, menuItem);
isEmpty = false;
}
}
void WebContextMenuProxyGtk::populate(const Vector<RefPtr<WebContextMenuItem>>& items)
{
for (const auto& item : items) {
WebContextMenuItemGtk menuitem(item->data());
append(m_menu, menuitem);
}
}
void WebContextMenuProxyGtk::show()
{
Vector<RefPtr<WebContextMenuItem>> proposedAPIItems;
for (auto& item : m_context.menuItems()) {
if (item.action() != ContextMenuItemTagShareMenu)
proposedAPIItems.append(WebContextMenuItem::create(item));
}
Vector<RefPtr<WebContextMenuItem>> clientItems;
bool useProposedItems = true;
if (m_page->contextMenuClient().getContextMenuFromProposedMenu(*m_page, proposedAPIItems, clientItems, m_context.webHitTestResultData(), m_page->process().transformHandlesToObjects(m_userData.object()).get()))
useProposedItems = false;
const Vector<RefPtr<WebContextMenuItem>>& items = useProposedItems ? proposedAPIItems : clientItems;
if (!items.isEmpty())
populate(items);
unsigned childCount = 0;
gtk_container_foreach(GTK_CONTAINER(m_menu), [](GtkWidget*, gpointer data) { (*static_cast<unsigned*>(data))++; }, &childCount);
if (!childCount)
return;
m_popupPosition = convertWidgetPointToScreenPoint(m_webView, m_context.menuLocation());
NativeWebMouseEvent* mouseEvent = m_page->currentlyProcessedMouseDownEvent();
const GdkEvent* event = mouseEvent ? mouseEvent->nativeEvent() : 0;
gtk_menu_attach_to_widget(m_menu, GTK_WIDGET(m_webView), nullptr);
gtk_menu_popup(m_menu, nullptr, nullptr, reinterpret_cast<GtkMenuPositionFunc>(menuPositionFunction), this,
event ? event->button.button : 3, event ? event->button.time : GDK_CURRENT_TIME);
}
WebContextMenuProxyGtk::WebContextMenuProxyGtk(GtkWidget* webView, WebPageProxy& page, const ContextMenuContextData& context, const UserData& userData)
: WebContextMenuProxy(context, userData)
, m_webView(webView)
, m_page(&page)
, m_menu(GTK_MENU(gtk_menu_new()))
{
webkitWebViewBaseSetActiveContextMenuProxy(WEBKIT_WEB_VIEW_BASE(m_webView), this);
}
WebContextMenuProxyGtk::~WebContextMenuProxyGtk()
{
gtk_menu_popdown(m_menu);
for (auto& handler : m_signalHandlers)
g_signal_handler_disconnect(handler.value, handler.key);
m_signalHandlers.clear();
gtk_widget_destroy(GTK_WIDGET(m_menu));
}
void WebContextMenuProxyGtk::menuPositionFunction(GtkMenu* menu, gint* x, gint* y, gboolean* pushIn, WebContextMenuProxyGtk* popupMenu)
{
GtkRequisition menuSize;
gtk_widget_get_preferred_size(GTK_WIDGET(menu), &menuSize, 0);
GdkScreen* screen = gtk_widget_get_screen(popupMenu->m_webView);
*x = popupMenu->m_popupPosition.x();
if ((*x + menuSize.width) >= gdk_screen_get_width(screen))
*x -= menuSize.width;
*y = popupMenu->m_popupPosition.y();
if ((*y + menuSize.height) >= gdk_screen_get_height(screen))
*y -= menuSize.height;
*pushIn = FALSE;
}
} #endif // ENABLE(CONTEXT_MENUS)