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/*
* Copyright (C) 2012 Igalia S.L.
*
* 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 2,1 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "WebKitWebExtension.h"
#include "ImmutableDictionary.h"
#include "WKBundleAPICast.h"
#include "WKBundlePage.h"
#include "WebKitPrivate.h"
#include "WebKitWebExtensionPrivate.h"
#include "WebKitWebPagePrivate.h"
#include <WebCore/DNS.h>
#include <wtf/HashMap.h>
#include <wtf/gobject/GRefPtr.h>
using namespace WebKit;
enum {
PAGE_CREATED,
LAST_SIGNAL
};
typedef HashMap<WebPage*, GRefPtr<WebKitWebPage> > WebPageMap;
struct _WebKitWebExtensionPrivate {
WebPageMap pages;
};
static guint signals[LAST_SIGNAL] = { 0, };
WEBKIT_DEFINE_TYPE(WebKitWebExtension, webkit_web_extension, G_TYPE_OBJECT)
static void webkit_web_extension_class_init(WebKitWebExtensionClass* klass)
{
/**
* WebKitWebExtension::page-created:
* @extension: the #WebKitWebExtension on which the signal is emitted
* @web_page: the #WebKitWebPage created
*
* This signal is emitted when a new #WebKitWebPage is created in
* the Web Process.
*/
signals[PAGE_CREATED] = g_signal_new(
"page-created",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
0, 0, 0,
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1,
WEBKIT_TYPE_WEB_PAGE);
}
static void webkitWebExtensionPageCreated(WebKitWebExtension* extension, WebPage* page)
{
GRefPtr<WebKitWebPage> webPage = adoptGRef(webkitWebPageCreate(page));
extension->priv->pages.add(page, webPage);
g_signal_emit(extension, signals[PAGE_CREATED], 0, webPage.get());
}
static void webkitWebExtensionPageDestroy(WebKitWebExtension* extension, WebPage* page)
{
extension->priv->pages.remove(page);
}
static void webkitWebExtensionDidReceiveMessage(WebKitWebExtension* extension, const String& messageName, ImmutableDictionary& message)
{
if (messageName == String::fromUTF8("PrefetchDNS")) {
WebString* hostname = static_cast<WebString*>(message.get(String::fromUTF8("Hostname")));
WebCore::prefetchDNS(hostname->string());
} else
ASSERT_NOT_REACHED();
}
static void didCreatePage(WKBundleRef bundle, WKBundlePageRef page, const void* clientInfo)
{
webkitWebExtensionPageCreated(WEBKIT_WEB_EXTENSION(clientInfo), toImpl(page));
}
static void willDestroyPage(WKBundleRef bundle, WKBundlePageRef page, const void* clientInfo)
{
webkitWebExtensionPageDestroy(WEBKIT_WEB_EXTENSION(clientInfo), toImpl(page));
}
static void didReceiveMessage(WKBundleRef bundle, WKStringRef name, WKTypeRef messageBody, const void* clientInfo)
{
ASSERT(WKGetTypeID(messageBody) == WKDictionaryGetTypeID());
webkitWebExtensionDidReceiveMessage(WEBKIT_WEB_EXTENSION(clientInfo), toImpl(name)->string(), *toImpl(static_cast<WKDictionaryRef>(messageBody)));
}
static void didReceiveMessageToPage(WKBundleRef bundle, WKBundlePageRef page, WKStringRef name, WKTypeRef messageBody, const void* clientInfo)
{
ASSERT(WKGetTypeID(messageBody) == WKDictionaryGetTypeID());
if (WebKitWebPage* webPage = WEBKIT_WEB_EXTENSION(clientInfo)->priv->pages.get(toImpl(page)).get())
webkitWebPageDidReceiveMessage(webPage, toImpl(name)->string(), *toImpl(static_cast<WKDictionaryRef>(messageBody)));
}
WebKitWebExtension* webkitWebExtensionCreate(InjectedBundle* bundle)
{
WebKitWebExtension* extension = WEBKIT_WEB_EXTENSION(g_object_new(WEBKIT_TYPE_WEB_EXTENSION, NULL));
WKBundleClient wkBundleClient = {
kWKBundleClientCurrentVersion,
extension, // clientInfo
didCreatePage,
willDestroyPage,
0, // didInitializePageGroup
didReceiveMessage,
didReceiveMessageToPage
};
WKBundleSetClient(toAPI(bundle), &wkBundleClient);
return extension;
}
/**
* webkit_web_extension_get_page:
* @extension: a #WebKitWebExtension
* @page_id: the identifier of the #WebKitWebPage to get
*
* Get the web page of the given @page_id.
*
* Returns: (transfer none): the #WebKitWebPage for the given @page_id, or %NULL if the
* identifier doesn't correspond to an exsiting web page.
*/
WebKitWebPage* webkit_web_extension_get_page(WebKitWebExtension* extension, guint64 pageID)
{
g_return_val_if_fail(WEBKIT_IS_WEB_EXTENSION(extension), 0);
WebKitWebExtensionPrivate* priv = extension->priv;
WebPageMap::const_iterator end = priv->pages.end();
for (WebPageMap::const_iterator it = priv->pages.begin(); it != end; ++it)
if (it->key->pageID() == pageID)
return it->value.get();
return 0;
}
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