зеркало из https://github.com/mozilla/gecko-dev.git
57 строки
1.7 KiB
C++
57 строки
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RenderFrameChild.h"
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#include "mozilla/layers/LayerTransactionChild.h"
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using mozilla::layers::PLayerTransactionChild;
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using mozilla::layers::LayerTransactionChild;
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namespace mozilla {
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namespace layout {
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void
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RenderFrameChild::Destroy()
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{
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size_t numChildren = ManagedPLayerTransactionChild().Length();
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NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
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"render frame must only have 0 or 1 layer forwarder");
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if (numChildren) {
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LayerTransactionChild* layers =
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static_cast<LayerTransactionChild*>(ManagedPLayerTransactionChild()[0]);
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layers->Destroy();
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// |layers| was just deleted, take care
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}
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Send__delete__(this);
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// WARNING: |this| is dead, hands off
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}
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PLayerTransactionChild*
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RenderFrameChild::AllocPLayerTransactionChild()
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{
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LayerTransactionChild* c = new LayerTransactionChild();
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c->AddIPDLReference();
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// We only create PLayerTransaction objects through PRenderFrame when we don't
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// have a PCompositor. This means that the child process content will never
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// get drawn to the screen, but some tests rely on it pretending to function
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// for now.
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c->SetHasNoCompositor();
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return c;
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}
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bool
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RenderFrameChild::DeallocPLayerTransactionChild(PLayerTransactionChild* aLayers)
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{
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static_cast<LayerTransactionChild*>(aLayers)->ReleaseIPDLReference();
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return true;
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}
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} // namespace layout
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} // namespace mozilla
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