gecko-dev/dom/ipc/PScreenManager.ipdl

/* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 8 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

include protocol PBrowser;
include protocol PContent;

include "mozilla/GfxMessageUtils.h";

using nsIntRect from "nsRect.h";
using mozilla::dom::TabId from "mozilla/dom/ipc/IdType.h";

namespace mozilla {
namespace dom {

struct ScreenDetails {
  uint32_t id;
  nsIntRect rect;
  nsIntRect rectDisplayPix;
  nsIntRect availRect;
  nsIntRect availRectDisplayPix;
  int32_t pixelDepth;
  int32_t colorDepth;
  double contentsScaleFactor;
};

prio(normal upto high) sync protocol PScreenManager
{
  manager PContent;

parent:
    prio(high) sync Refresh()
      returns (uint32_t numberOfScreens,
               float systemDefaultScale,
               bool success);

    prio(high) sync ScreenRefresh(uint32_t aId)
      returns (ScreenDetails screen,
               bool success);

    prio(high) sync GetPrimaryScreen()
      returns (ScreenDetails screen,
               bool success);

    prio(high) sync ScreenForRect(int32_t aLeft,
                       int32_t aTop,
                       int32_t aWidth,
                       int32_t aHeight)
      returns (ScreenDetails screen,
               bool success);

    prio(high) sync ScreenForBrowser(TabId aTabId)
      returns (ScreenDetails screen,
               bool success);

child:
    __delete__();
};

} // namespace dom
} // namespace mozilla