зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
1.8 KiB
C++
81 строка
1.8 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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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 "AsyncCanvasRenderer.h"
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#include "gfxUtils.h"
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#include "GLContext.h"
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#include "mozilla/dom/HTMLCanvasElement.h"
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#include "mozilla/layers/CanvasClient.h"
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#include "nsIRunnable.h"
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#include "nsThreadUtils.h"
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namespace mozilla {
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namespace layers {
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AsyncCanvasRenderer::AsyncCanvasRenderer()
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: mWidth(0)
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, mHeight(0)
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, mCanvasClientAsyncID(0)
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, mCanvasClient(nullptr)
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{
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MOZ_COUNT_CTOR(AsyncCanvasRenderer);
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}
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AsyncCanvasRenderer::~AsyncCanvasRenderer()
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{
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MOZ_COUNT_DTOR(AsyncCanvasRenderer);
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}
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void
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AsyncCanvasRenderer::NotifyElementAboutAttributesChanged()
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{
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class Runnable final : public nsRunnable
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{
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public:
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explicit Runnable(AsyncCanvasRenderer* aRenderer)
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: mRenderer(aRenderer)
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{}
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NS_IMETHOD Run()
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{
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if (mRenderer) {
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dom::HTMLCanvasElement::SetAttrFromAsyncCanvasRenderer(mRenderer);
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}
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return NS_OK;
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}
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void Revoke()
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{
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mRenderer = nullptr;
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}
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private:
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nsRefPtr<AsyncCanvasRenderer> mRenderer;
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};
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nsRefPtr<nsRunnable> runnable = new Runnable(this);
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nsresult rv = NS_DispatchToMainThread(runnable);
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if (NS_FAILED(rv)) {
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NS_WARNING("Failed to dispatch a runnable to the main-thread.");
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}
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}
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void
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AsyncCanvasRenderer::SetCanvasClient(CanvasClient* aClient)
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{
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mCanvasClient = aClient;
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if (aClient) {
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mCanvasClientAsyncID = aClient->GetAsyncID();
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} else {
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mCanvasClientAsyncID = 0;
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}
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}
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} // namespace layers
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} // namespace mozilla
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