gecko-dev/widget/gonk/ParentProcessController.cpp

61 строка
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "ParentProcessController.h"
#include "nsIContent.h"
#include "nsLayoutUtils.h"
#include "APZCCallbackHelper.h"
#include "base/message_loop.h"
namespace mozilla {
namespace widget {
class RequestContentRepaintEvent : public nsRunnable
{
typedef mozilla::layers::FrameMetrics FrameMetrics;
public:
RequestContentRepaintEvent(const FrameMetrics& aFrameMetrics)
: mFrameMetrics(aFrameMetrics)
{
}
NS_IMETHOD Run() {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIContent> content = nsLayoutUtils::FindContentFor(mFrameMetrics.mScrollId);
if (content) {
APZCCallbackHelper::UpdateSubFrame(content, mFrameMetrics);
}
return NS_OK;
}
protected:
FrameMetrics mFrameMetrics;
};
void
ParentProcessController::RequestContentRepaint(const FrameMetrics& aFrameMetrics)
{
if (aFrameMetrics.mScrollId == FrameMetrics::NULL_SCROLL_ID) {
return;
}
nsCOMPtr<nsIRunnable> r = new RequestContentRepaintEvent(aFrameMetrics);
if (!NS_IsMainThread()) {
NS_DispatchToMainThread(r);
} else {
r->Run();
}
}
void
ParentProcessController::PostDelayedTask(Task* aTask, int aDelayMs)
{
MessageLoop::current()->PostDelayedTask(FROM_HERE, aTask, aDelayMs);
}
}
}