Move EphyUtils and GeckoUtils to utils/.

svn path=/trunk/; revision=7434

1 files changed, 203 insertions, 0 deletions

diff --git a/embed/xulrunner/utils/EphyUtils.cpp b/embed/xulrunner/utils/EphyUtils.cpp
new file mode 100644
index 000000000..a433294c8
--- /dev/null
+++ b/embed/xulrunner/utils/EphyUtils.cpp
@@ -0,0 +1,203 @@
+/*
+ *  Copyright © 2004 Marco Pesenti Gritti
+ *
+ *  This program 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, or (at your option)
+ *  any later version.
+ *
+ *  This program 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 General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ *  $Id$
+ */
+
+#include <xpcom-config.h>
+#include "config.h"
+
+#include <nsStringGlue.h>
+
+#include <nsCOMPtr.h>
+#include <nsDOMJSUtils.h> /* for GetScriptContextFromJSContext */
+#include <nsIDOMWindow.h>
+#include <nsIEmbeddingSiteWindow.h>
+#include <nsIFile.h>
+#include <nsIIOService.h>
+#include <nsIScriptContext.h>
+#include <nsIScriptGlobalObject.h>
+#include <nsIServiceManager.h>
+#include <nsIURI.h>
+#include <nsIWebBrowserChrome.h>
+#include <nsIWindowWatcher.h>
+#include <nsIXPConnect.h>
+#include <nsPIDOMWindow.h>
+#include <nsServiceManagerUtils.h>
+#include <nsXPCOM.h>
+
+#include "EphyUtils.h"
+
+nsresult
+EphyUtils::GetIOService (nsIIOService **ioService)
+{
+	nsresult rv;
+
+	nsCOMPtr<nsIServiceManager> mgr; 
+	NS_GetServiceManager (getter_AddRefs (mgr));
+	if (!mgr) return NS_ERROR_FAILURE;
+
+	rv = mgr->GetServiceByContractID ("@mozilla.org/network/io-service;1",
+					  NS_GET_IID (nsIIOService),
+					  (void **)ioService);
+	return rv;
+}
+
+nsresult
+EphyUtils::NewURI (nsIURI **result,
+		   const nsAString &spec,
+		   const char *charset,
+		   nsIURI *baseURI)
+{
+	nsCString cSpec;
+	NS_UTF16ToCString (spec, NS_CSTRING_ENCODING_UTF8, cSpec);
+
+	return NewURI (result, cSpec, charset, baseURI);
+}
+
+nsresult
+EphyUtils::NewURI (nsIURI **result,
+		   const nsACString &spec,
+		   const char *charset,
+		   nsIURI *baseURI)
+{
+	nsresult rv;
+	nsCOMPtr<nsIIOService> ioService;
+	rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	return ioService->NewURI (spec, charset, baseURI, result);
+}
+
+nsresult
+EphyUtils::NewFileURI (nsIURI **result,
+		       nsIFile *spec)
+{
+	nsresult rv;
+	nsCOMPtr<nsIIOService> ioService;
+	rv = EphyUtils::GetIOService (getter_AddRefs (ioService));
+	NS_ENSURE_SUCCESS (rv, rv);
+
+	return ioService->NewFileURI (spec, result);
+}
+
+GtkWidget *
+EphyUtils::FindEmbed (nsIDOMWindow *aDOMWindow)
+{
+	if (!aDOMWindow) return nsnull;
+
+	nsCOMPtr<nsIWindowWatcher> wwatch
+		(do_GetService("@mozilla.org/embedcomp/window-watcher;1"));
+	NS_ENSURE_TRUE (wwatch, nsnull);
+
+	/* this DOM window may belong to some inner frame, we need
+	 * to get the topmost DOM window to get the embed
+	 */
+	nsCOMPtr<nsIDOMWindow> topWindow;
+	aDOMWindow->GetTop (getter_AddRefs (topWindow));
+	if (!topWindow) return nsnull;
+	
+	nsCOMPtr<nsIWebBrowserChrome> windowChrome;
+	wwatch->GetChromeForWindow (topWindow, getter_AddRefs(windowChrome));
+	NS_ENSURE_TRUE (windowChrome, nsnull);
+
+	nsCOMPtr<nsIEmbeddingSiteWindow> window (do_QueryInterface(windowChrome));
+	NS_ENSURE_TRUE (window, nsnull);
+
+	nsresult rv;
+	GtkWidget *mozembed;
+	rv = window->GetSiteWindow ((void **)&mozembed);
+	NS_ENSURE_SUCCESS (rv, nsnull);
+
+	return mozembed;
+}
+
+GtkWidget *
+EphyUtils::FindGtkParent (nsIDOMWindow *aDOMWindow)
+{
+	GtkWidget *embed = FindEmbed (aDOMWindow);
+	if (!embed) return nsnull;
+
+	GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (embed));
+	if (!GTK_WIDGET_TOPLEVEL (toplevel)) return nsnull;
+
+	return toplevel;
+}
+
+char *
+EphyUtils::ConvertUTF16toUTF8 (const PRUnichar *aText,
+                               PRInt32 aMaxLength)
+{
+        if (aText == nsnull) return NULL;
+
+        /* This depends on the assumption that
+         * typeof(PRUnichar) == typeof (gunichar2) == uint16,
+         * which should be pretty safe.
+         */
+        glong n_read = 0, n_written = 0;
+        char *converted = g_utf16_to_utf8 ((gunichar2*) aText, aMaxLength,
+                                            &n_read, &n_written, NULL);
+        /* FIXME loop from the end while !g_unichar_isspace (char)? */
+
+        return converted;
+}
+
+/* This isn't completely accurate: if you do window.prompt in one window, then
+ * call this in another window, it still returns TRUE ! Those are the wonders
+ * of recursive mainloops :-(
+ */
+PRBool
+EphyJSUtils::IsCalledFromScript ()
+{
+	nsresult rv;
+	nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID(), &rv));
+	NS_ENSURE_SUCCESS (rv, PR_FALSE);
+		
+	nsCOMPtr<nsIXPCNativeCallContext> ncc;
+	rv = xpc->GetCurrentNativeCallContext (getter_AddRefs (ncc));
+	NS_ENSURE_SUCCESS(rv, PR_FALSE);
+
+	return nsnull != ncc;
+}
+
+/* NOTE: Only call this when we're SURE that we're called directly from JS! */
+nsIDOMWindow *
+EphyJSUtils::GetDOMWindowFromCallContext ()
+{
+  nsresult rv;
+  nsCOMPtr<nsIXPConnect> xpc (do_GetService(nsIXPConnect::GetCID(), &rv));
+  NS_ENSURE_SUCCESS (rv, nsnull);
+		
+  nsCOMPtr<nsIXPCNativeCallContext> ncc;
+  rv = xpc->GetCurrentNativeCallContext (getter_AddRefs (ncc));
+  NS_ENSURE_SUCCESS (rv, nsnull);
+
+  JSContext *cx = nsnull;
+  rv = ncc->GetJSContext(&cx);
+  NS_ENSURE_TRUE (NS_SUCCEEDED (rv) && cx, nsnull);
+
+  nsIScriptContext* scriptContext = GetScriptContextFromJSContext (cx);
+  if (!scriptContext) return nsnull;
+
+  nsIScriptGlobalObject *globalObject = scriptContext->GetGlobalObject();
+  if (!globalObject) return nsnull;
+
+  nsCOMPtr<nsPIDOMWindow> piWindow (do_QueryInterface (globalObject));
+  if (!piWindow) return nsnull;
+
+  return piWindow->GetOuterWindow ();
+}