chrome/browser/ui/gtk/simple_message_box_gtk.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/simple_message_box.h"
   6
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "chrome/browser/ui/gtk/gtk_util.h"
  10
  11 namespace {
  12
  13 void SetDialogTitle(GtkWidget* dialog, const base::string16& title) {
  14   gtk_window_set_title(GTK_WINDOW(dialog), base::UTF16ToUTF8(title).c_str());
  15
  16   // The following code requires the dialog to be realized.
  17   gtk_widget_realize(dialog);
  18
  19   // Make sure it's big enough to show the title.
  20   GtkRequisition req;
  21   gtk_widget_size_request(dialog, &req);
  22   int width;
  23   gtk_util::GetWidgetSizeFromCharacters(dialog, title.length(), 0,
  24                                         &width, NULL);
  25   // The fudge factor accounts for extra space needed by the frame
  26   // decorations as well as width differences between average text and the
  27   // actual title text.
  28   width = width * 1.2 + 50;
  29
  30   if (width > req.width)
  31     gtk_widget_set_size_request(dialog, width, -1);
  32 }
  33
  34 int g_dialog_response;
  35
  36 void OnDialogResponse(GtkWidget* widget, int response, void* user_data) {
  37   g_dialog_response = response;
  38   gtk_widget_destroy(widget);
  39   base::MessageLoop::current()->QuitNow();
  40 }
  41
  42 }  // namespace
  43
  44 namespace chrome {
  45
  46 MessageBoxResult ShowMessageBox(gfx::NativeWindow parent,
  47                                 const base::string16& title,
  48                                 const base::string16& message,
  49                                 MessageBoxType type) {
  50   if (type == MESSAGE_BOX_TYPE_OK_CANCEL)
  51     NOTIMPLEMENTED();
  52
  53   GtkMessageType gtk_message_type = GTK_MESSAGE_OTHER;
  54   GtkButtonsType gtk_buttons_type = GTK_BUTTONS_OK;
  55   if (type == MESSAGE_BOX_TYPE_QUESTION) {
  56     gtk_message_type = GTK_MESSAGE_QUESTION;
  57     gtk_buttons_type = GTK_BUTTONS_YES_NO;
  58   } else {
  59     gtk_message_type = (type == MESSAGE_BOX_TYPE_INFORMATION) ?
  60         GTK_MESSAGE_INFO : GTK_MESSAGE_WARNING;
  61   }
  62
  63   GtkWidget* dialog = gtk_message_dialog_new(
  64       parent,
  65       GTK_DIALOG_MODAL,
  66       gtk_message_type,
  67       gtk_buttons_type,
  68       "%s",
  69       base::UTF16ToUTF8(message).c_str());
  70   gtk_util::ApplyMessageDialogQuirks(dialog);
  71   SetDialogTitle(dialog, title);
  72
  73   if (type == MESSAGE_BOX_TYPE_QUESTION) {
  74     gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_YES);
  75     g_signal_connect(dialog, "response", G_CALLBACK(OnDialogResponse), NULL);
  76     gtk_util::ShowDialog(dialog);
  77     // Not gtk_dialog_run as it prevents timers from running in the unit tests.
  78     base::MessageLoop::current()->Run();
  79     return g_dialog_response == GTK_RESPONSE_YES ? MESSAGE_BOX_RESULT_YES
  80                                                  : MESSAGE_BOX_RESULT_NO;
  81   }
  82
  83   gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_OK);
  84   g_signal_connect(dialog, "response", G_CALLBACK(gtk_widget_destroy), NULL);
  85   gtk_util::ShowDialog(dialog);
  86   return MESSAGE_BOX_RESULT_YES;
  87 }
  88
  89 }  // namespace chrome