Move EphyUtils and GeckoUtils to utils/.

svn path=/trunk/; revision=7434

5 files changed, 395 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 ();
+}
diff --git a/embed/xulrunner/utils/EphyUtils.h b/embed/xulrunner/utils/EphyUtils.h
new file mode 100644
index 000000000..65b1edb04
--- /dev/null
+++ b/embed/xulrunner/utils/EphyUtils.h
@@ -0,0 +1,66 @@
+/*
+ *  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.
+ *
+ *  $Id$
+ */
+
+#ifndef EPHY_UTILS_H
+#define EPHY_UTILS_H
+
+#include <nscore.h>
+
+#include <gtk/gtkwidget.h>
+
+class nsACString;
+class nsAString;
+class nsIDOMWindow;
+class nsIFile;
+class nsIIOService;
+class nsIURI;
+
+namespace EphyUtils
+{
+	nsresult	GetIOService		(nsIIOService **ioService);
+
+	nsresult	NewURI			(nsIURI **result,
+						 const nsAString &spec,
+						 const char *charset = nsnull,
+						 nsIURI *baseURI = nsnull);
+
+	nsresult	NewURI			(nsIURI **result,
+						 const nsACString &spec,
+						 const char *charset = nsnull,
+						 nsIURI *baseURI = nsnull);
+
+	nsresult	NewFileURI		(nsIURI **result,
+						 nsIFile *spec);
+
+	GtkWidget      *FindEmbed		(nsIDOMWindow *aDOMWindow);
+
+	GtkWidget      *FindGtkParent		(nsIDOMWindow *aDOMWindow);
+	
+	char *		ConvertUTF16toUTF8	(const PRUnichar*, PRInt32);
+}
+
+namespace EphyJSUtils
+{
+	PRBool IsCalledFromScript ();
+
+	/* not addref'd! */ nsIDOMWindow* GetDOMWindowFromCallContext ();
+}
+
+#endif
diff --git a/embed/xulrunner/utils/GeckoUtils.cpp b/embed/xulrunner/utils/GeckoUtils.cpp
new file mode 100644
index 000000000..c71fce4ba
--- /dev/null
+++ b/embed/xulrunner/utils/GeckoUtils.cpp
@@ -0,0 +1,87 @@
+/*
+ *  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 Lesser 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  The Original Code is mozilla.org code.
+ *
+ *  The Initial Developer of the Original Code is
+ *  Netscape Communications Corporation.
+ *  Portions created by the Initial Developer are Copyright © 2003
+ *  the Initial Developer. All Rights Reserved.
+ *
+ *  Contributor(s):
+ *   Brian Ryner <bryner@brianryner.com>
+ *
+ *  $Id$
+ */
+
+#include <xpcom-config.h>
+#include "config.h"
+
+#include "GeckoUtils.h"
+
+#include "gecko-embed.h"
+
+#include <nsCOMPtr.h>
+#include <nsIDOMWindow.h>
+#include <nsIWindowWatcher.h>
+#include <nsIWebBrowserChrome.h>
+#include <nsIEmbeddingSiteWindow.h>
+#include <nsIServiceManager.h>
+#include <nsServiceManagerUtils.h>
+
+GtkWidget *
+GeckoUtils::GetGeckoEmbedForDOMWindow (nsIDOMWindow * aDOMWindow)
+{
+  if (!aDOMWindow)
+    return NULL;
+
+  /* Get the toplevel DOM window, in case this window is a frame */
+  nsCOMPtr<nsIDOMWindow> domWin;
+  aDOMWindow->GetTop (getter_AddRefs (domWin));
+  if (!domWin)
+    return NULL;
+
+  nsCOMPtr< nsIWindowWatcher> wwatch
+    (do_GetService ("@mozilla.org/embedcomp/window-watcher;1"));
+  NS_ENSURE_TRUE (wwatch, NULL);
+
+  nsCOMPtr<nsIWebBrowserChrome> chrome;
+  wwatch->GetChromeForWindow (domWin, getter_AddRefs (chrome));
+
+  nsCOMPtr <nsIEmbeddingSiteWindow> siteWindow (do_QueryInterface (chrome));
+  if (!siteWindow)
+    return NULL;
+
+  GtkWidget *widget;
+  siteWindow->GetSiteWindow ((void **) &widget);
+  if (!widget || !GECKO_IS_EMBED (widget))
+    return NULL;
+
+  return widget;
+}
+
+GtkWidget *
+GeckoUtils::GetGtkWindowForDOMWindow (nsIDOMWindow * aDOMWindow)
+{
+  GtkWidget *embed = GeckoUtils::GetGeckoEmbedForDOMWindow (aDOMWindow);
+  if (!embed)
+    return NULL;
+
+  GtkWidget *gtkWin = gtk_widget_get_toplevel (embed);
+  if (!GTK_WIDGET_TOPLEVEL (gtkWin))
+    return NULL;
+
+  return gtkWin;
+}
diff --git a/embed/xulrunner/utils/GeckoUtils.h b/embed/xulrunner/utils/GeckoUtils.h
new file mode 100644
index 000000000..05012e6b2
--- /dev/null
+++ b/embed/xulrunner/utils/GeckoUtils.h
@@ -0,0 +1,34 @@
+/*
+ *  Copyright © 2006 Christian Persch
+ *
+ *  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 Lesser 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#ifndef GECKO_UTILS_H
+#define GECKO_UTILS_H
+
+#include <gtk/gtkwidget.h>
+
+class nsIDOMWindow;
+
+namespace GeckoUtils
+{
+  GtkWidget* GetGeckoEmbedForDOMWindow (nsIDOMWindow*);
+  GtkWidget* GetGtkWindowForDOMWindow (nsIDOMWindow*);
+}
+
+#endif
diff --git a/embed/xulrunner/utils/Makefile.am b/embed/xulrunner/utils/Makefile.am
index faeab4716..ef773f3fb 100644
--- a/embed/xulrunner/utils/Makefile.am
+++ b/embed/xulrunner/utils/Makefile.am
@@ -9,9 +9,14 @@ libephyxulrunnerutils_la_SOURCES = \
 	AutoWindowModalState.h		\
 	EphyBadCertRejector.cpp		\
 	EphyBadCertRejector.h		\
+	EphyUtils.cpp			\
+	EphyUtils.h			\
+	GeckoUtils.cpp			\
+	GeckoUtils.h			\
 	$(NULL)
 
 libephyxulrunnerutils_la_CPPFLAGS = \
+	-I$(top_srcdir)/embed/xulrunner/src	\
 	$(LIBXUL_CXXCPPFLAGS)	\
 	$(LIBXUL_INCLUDES)	\
 	$(AM_CPPFLAGS)