layout/ipc/RenderFrameChild.cpp
author Mike Shal <mshal@mozilla.com>
Tue, 19 Mar 2013 11:47:00 -0700
changeset 125513 97e443115162450609702fc72c99b6d88d8703d6
parent 117600 6172df451c1c4e7bcbc00bcf35a861a707c94895
child 129489 ddf944cc292d8d843089c37e83ec69b6d87f5d2c
permissions -rw-r--r--
Bug 844654 - Part 2: Move MODULE to moz.build; rs=gps

/* -*- 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 "RenderFrameChild.h"
#include "mozilla/layers/ShadowLayersChild.h"

using mozilla::layers::PLayersChild;
using mozilla::layers::ShadowLayersChild;

namespace mozilla {
namespace layout {

void
RenderFrameChild::Destroy()
{
  size_t numChildren = ManagedPLayersChild().Length();
  NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
                    "render frame must only have 0 or 1 layer forwarder");

  if (numChildren) {
    ShadowLayersChild* layers =
      static_cast<ShadowLayersChild*>(ManagedPLayersChild()[0]);
    layers->Destroy();
    // |layers| was just deleted, take care
  }

  Send__delete__(this);
  // WARNING: |this| is dead, hands off
}

void
RenderFrameChild::CancelDefaultPanZoom()
{
  SendCancelDefaultPanZoom();
}

void
RenderFrameChild::DetectScrollableSubframe()
{
  SendDetectScrollableSubframe();
}

PLayersChild*
RenderFrameChild::AllocPLayers()
{
  return new ShadowLayersChild();
}

bool
RenderFrameChild::DeallocPLayers(PLayersChild* aLayers)
{
  delete aLayers;
  return true;
}

}  // namespace layout
}  // namespace mozilla