dom/plugins/ipc/PluginBackgroundDestroyer.cpp


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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=8 et :
 */
/* 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 "PluginBackgroundDestroyer.h"
#include "gfxSharedImageSurface.h"

using namespace mozilla;
using namespace plugins;

PluginBackgroundDestroyerParent::PluginBackgroundDestroyerParent(
    gfxASurface* aDyingBackground)
    : mDyingBackground(aDyingBackground) {}

PluginBackgroundDestroyerParent::~PluginBackgroundDestroyerParent() = default;

void PluginBackgroundDestroyerParent::ActorDestroy(ActorDestroyReason why) {
  switch (why) {
    case Deletion:
    case AncestorDeletion:
      if (gfxSharedImageSurface::IsSharedImage(mDyingBackground)) {
        gfxSharedImageSurface* s =
            static_cast<gfxSharedImageSurface*>(mDyingBackground.get());
        DeallocShmem(s->GetShmem());
      }
      break;
    default:
      // We're shutting down or crashed, let automatic cleanup
      // take care of our shmem, if we have one.
      break;
  }
}