dom/ipc/ScreenManagerParent.h
author Kan-Ru Chen <kanru@kanru.info>
Tue, 15 Nov 2016 04:26:00 +0100
changeset 322595 39ac4382a2c019178604b90acd816753fe142908
parent 242171 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
child 349717 57f989c1010f40a2b99ee89d61bd1621c633ab4a
permissions -rw-r--r--
Bug 1314254 - Add mozilla::ipc::IPCResult type and convert IPDL handlers to use new return type. r=billm We will use the new type for the generated IPDL message handler prototype to make sure correct error handling method is called. MozReview-Commit-ID: AzVbApxFGZ0

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */

#ifndef mozilla_dom_ScreenManagerParent_h
#define mozilla_dom_ScreenManagerParent_h

#include "mozilla/dom/PScreenManagerParent.h"
#include "nsIScreenManager.h"

namespace mozilla {
namespace dom {

class ScreenManagerParent : public PScreenManagerParent
{
 public:
  ScreenManagerParent(uint32_t* aNumberOfScreens,
                      float* aSystemDefaultScale,
                      bool* aSuccess);
  ~ScreenManagerParent() {};

  virtual mozilla::ipc::IPCResult RecvRefresh(uint32_t* aNumberOfScreens,
                                              float* aSystemDefaultScale,
                                              bool* aSuccess) override;

  virtual mozilla::ipc::IPCResult RecvScreenRefresh(const uint32_t& aId,
                                                    ScreenDetails* aRetVal,
                                                    bool* aSuccess) override;

  virtual void ActorDestroy(ActorDestroyReason aWhy) override;

  virtual mozilla::ipc::IPCResult RecvGetPrimaryScreen(ScreenDetails* aRetVal,
                                                       bool* aSuccess) override;

  virtual mozilla::ipc::IPCResult RecvScreenForRect(const int32_t& aLeft,
                                                    const int32_t& aTop,
                                                    const int32_t& aWidth,
                                                    const int32_t& aHeight,
                                                    ScreenDetails* aRetVal,
                                                    bool* aSuccess) override;

  virtual mozilla::ipc::IPCResult RecvScreenForBrowser(const TabId& aTabId,
                                                       ScreenDetails* aRetVal,
                                                       bool* aSuccess) override;

 private:
  bool ExtractScreenDetails(nsIScreen* aScreen, ScreenDetails &aDetails);
  nsCOMPtr<nsIScreenManager> mScreenMgr;
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_ScreenManagerParent_h