widget/nsContentProcessWidgetFactory.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef nsContentProcessWidgetFactory_h
   9 #define nsContentProcessWidgetFactory_h
  10
  11 #include "nsISupports.h"
  12 #include "nsComponentManagerUtils.h"
  13 #include "nsServiceManagerUtils.h"
  14 #include "nsXULAppAPI.h"
  15
  16 #define MAKE_COMPONENT_CHOOSER(name_, parent_, content_, constructor_) \
  17   static already_AddRefed<nsISupports> name_() {                       \
  18     nsCOMPtr<nsISupports> inst;                                        \
  19     if (XRE_IsContentProcess()) {                                      \
  20       inst = constructor_(content_);                                   \
  21     } else {                                                           \
  22       inst = constructor_(parent_);                                    \
  23     }                                                                  \
  24     return inst.forget();                                              \
  25   }
  26
  27 #ifdef MOZ_WIDGET_COCOA
  28 // This should be `do_GetService`, but test_bug466599.xhtml erroneously uses
  29 // `createInstance` rather than `getService`, and passes only because doing so
  30 // bypasses the clipboard contents cache, which does not have the expected
  31 // wrapping.
  32 MAKE_COMPONENT_CHOOSER(nsClipboardSelector,
  33                        "@mozilla.org/widget/parent/clipboard;1",
  34                        "@mozilla.org/widget/content/clipboard;1",
  35                        do_CreateInstance)
  36 #else
  37 MAKE_COMPONENT_CHOOSER(nsClipboardSelector,
  38                        "@mozilla.org/widget/parent/clipboard;1",
  39                        "@mozilla.org/widget/content/clipboard;1", do_GetService)
  40 #endif
  41 MAKE_COMPONENT_CHOOSER(nsColorPickerSelector,
  42                        "@mozilla.org/parent/colorpicker;1",
  43                        "@mozilla.org/content/colorpicker;1", do_CreateInstance)
  44 MAKE_COMPONENT_CHOOSER(nsFilePickerSelector, "@mozilla.org/parent/filepicker;1",
  45                        "@mozilla.org/content/filepicker;1", do_CreateInstance)
  46 MAKE_COMPONENT_CHOOSER(nsScreenManagerSelector,
  47                        "@mozilla.org/gfx/parent/screenmanager;1",
  48                        "@mozilla.org/gfx/content/screenmanager;1",
  49                        do_GetService)
  50 MAKE_COMPONENT_CHOOSER(nsDragServiceSelector,
  51                        "@mozilla.org/widget/parent/dragservice;1",
  52                        "@mozilla.org/widget/content/dragservice;1",
  53                        do_GetService)
  54
  55 #undef MAKE_COMPONENT_CHOOSER
  56
  57 #endif  // defined nsContentProcessWidgetFactory_h