Mypal/gfx/layers/ipc/ShadowLayerChild.cpp
2019-03-11 13:26:37 +03:00

46 lines
1.2 KiB
C++

/* -*- 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 "ShadowLayerChild.h"
#include "Layers.h" // for Layer
#include "ShadowLayers.h" // for ShadowableLayer
namespace mozilla {
namespace layers {
ShadowLayerChild::ShadowLayerChild()
: mLayer(nullptr)
{ }
ShadowLayerChild::~ShadowLayerChild()
{ }
void
ShadowLayerChild::SetShadowableLayer(ShadowableLayer* aLayer)
{
MOZ_ASSERT(!mLayer);
mLayer = aLayer;
}
void
ShadowLayerChild::ActorDestroy(ActorDestroyReason why)
{
MOZ_ASSERT(AncestorDeletion != why,
"shadowable layer should have been cleaned up by now");
if (AbnormalShutdown == why && mLayer) {
// This is last-ditch emergency shutdown. Just have the layer
// forget its IPDL resources; IPDL-generated code will clean up
// automatically in this case.
mLayer->AsLayer()->Disconnect();
mLayer = nullptr;
}
}
} // namespace layers
} // namespace mozilla