Make File-Picker modal on Linux

chrome/browser/ui/libgtk2ui/gtk2_util.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/libgtk2ui/gtk2_util.h"
 
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 #include <stddef.h>
 
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
 #include "base/environment.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/keyboard_code_conversion_x.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace {
 
 const char kAuraTransientParent[] = "aura-transient-parent";
+const char kDesktopWindowTreeHost[] = "desktop-window-tree-Host";
+
 
 void CommonInitFromCommandLine(const base::CommandLine& command_line,
                                void (*init_func)(gint*, gchar***)) {
   const std::vector<std::string>& args = command_line.argv();
   int argc = args.size();
   scoped_ptr<char *[]> argv(new char *[argc + 1]);
   for (size_t i = 0; i < args.size(); ++i) {
     // TODO(piman@google.com): can gtk_init modify argv? Just being safe
     // here.
     argv[i] = strdup(args[i].c_str());
@@ skipping 97 matching lines @@
 
 aura::Window* GetAuraTransientParent(GtkWidget* dialog) {
   return reinterpret_cast<aura::Window*>(
       g_object_get_data(G_OBJECT(dialog), kAuraTransientParent));
 }
 
 void ClearAuraTransientParent(GtkWidget* dialog) {
   g_object_set_data(G_OBJECT(dialog), kAuraTransientParent, NULL);
 }
 
+void SetDesktopWindowTreeHost(GtkWidget* dialog,
+    views::DesktopWindowTreeHostX11* host) {
+  g_object_set_data(G_OBJECT(dialog), kDesktopWindowTreeHost, host);
+}
+
+views::DesktopWindowTreeHostX11* GetDesktopWindowTreeHost(GtkWidget* dialog) {
+  return reinterpret_cast<views::DesktopWindowTreeHostX11*>(
+      g_object_get_data(G_OBJECT(dialog), kDesktopWindowTreeHost));
+}
+
 }  // namespace libgtk2ui