widget/gonk/ParentProcessController.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/gonk/ParentProcessController.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,67 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "ParentProcessController.h"
    1.10 +#include "nsIContent.h"
    1.11 +#include "nsLayoutUtils.h"
    1.12 +#include "mozilla/layers/APZCCallbackHelper.h"
    1.13 +#include "base/message_loop.h"
    1.14 +
    1.15 +namespace mozilla {
    1.16 +namespace widget {
    1.17 +
    1.18 +class RequestContentRepaintEvent : public nsRunnable
    1.19 +{
    1.20 +    typedef mozilla::layers::FrameMetrics FrameMetrics;
    1.21 +
    1.22 +public:
    1.23 +    RequestContentRepaintEvent(const FrameMetrics& aFrameMetrics)
    1.24 +        : mFrameMetrics(aFrameMetrics)
    1.25 +    {
    1.26 +    }
    1.27 +
    1.28 +    NS_IMETHOD Run() {
    1.29 +        MOZ_ASSERT(NS_IsMainThread());
    1.30 +        nsCOMPtr<nsIContent> content = nsLayoutUtils::FindContentFor(mFrameMetrics.GetScrollId());
    1.31 +        if (content) {
    1.32 +            mozilla::layers::APZCCallbackHelper::UpdateSubFrame(content, mFrameMetrics);
    1.33 +        }
    1.34 +        return NS_OK;
    1.35 +    }
    1.36 +
    1.37 +protected:
    1.38 +    FrameMetrics mFrameMetrics;
    1.39 +};
    1.40 +
    1.41 +void
    1.42 +ParentProcessController::RequestContentRepaint(const FrameMetrics& aFrameMetrics)
    1.43 +{
    1.44 +    if (aFrameMetrics.GetScrollId() == FrameMetrics::NULL_SCROLL_ID) {
    1.45 +        return;
    1.46 +    }
    1.47 +
    1.48 +    nsCOMPtr<nsIRunnable> r = new RequestContentRepaintEvent(aFrameMetrics);
    1.49 +    if (!NS_IsMainThread()) {
    1.50 +        NS_DispatchToMainThread(r);
    1.51 +    } else {
    1.52 +        r->Run();
    1.53 +    }
    1.54 +}
    1.55 +
    1.56 +void
    1.57 +ParentProcessController::AcknowledgeScrollUpdate(const FrameMetrics::ViewID& aScrollId,
    1.58 +                                                 const uint32_t& aScrollGeneration)
    1.59 +{
    1.60 +    mozilla::layers::APZCCallbackHelper::AcknowledgeScrollUpdate(aScrollId, aScrollGeneration);
    1.61 +}
    1.62 +
    1.63 +void
    1.64 +ParentProcessController::PostDelayedTask(Task* aTask, int aDelayMs)
    1.65 +{
    1.66 +    MessageLoop::current()->PostDelayedTask(FROM_HERE, aTask, aDelayMs);
    1.67 +}
    1.68 +
    1.69 +}
    1.70 +}

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