64 lines
2.6 KiB
C++
64 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=2 et tw=80 : */
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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 "AndroidCompositorWidget.h"
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#include "nsWindow.h"
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namespace mozilla {
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namespace widget {
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void
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AndroidCompositorWidget::SetFirstPaintViewport(const LayerIntPoint& aOffset,
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const CSSToLayerScale& aZoom,
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const CSSRect& aCssPageRect)
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{
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auto layerClient = static_cast<nsWindow*>(RealWidget())->GetLayerClient();
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if (!layerClient) {
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return;
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}
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layerClient->SetFirstPaintViewport(
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float(aOffset.x), float(aOffset.y), aZoom.scale, aCssPageRect.x,
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aCssPageRect.y, aCssPageRect.XMost(), aCssPageRect.YMost());
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}
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void
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AndroidCompositorWidget::SyncFrameMetrics(const ParentLayerPoint& aScrollOffset,
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const CSSToParentLayerScale& aZoom,
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const CSSRect& aCssPageRect,
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const CSSRect& aDisplayPort,
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const CSSToLayerScale& aPaintedResolution,
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bool aLayersUpdated,
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int32_t aPaintSyncId,
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ScreenMargin& aFixedLayerMargins)
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{
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auto layerClient = static_cast<nsWindow*>(RealWidget())->GetLayerClient();
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if (!layerClient) {
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return;
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}
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// convert the displayport rect from document-relative CSS pixels to
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// document-relative device pixels
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LayerIntRect dp = gfx::RoundedToInt(aDisplayPort * aPaintedResolution);
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java::ViewTransform::LocalRef viewTransform = layerClient->SyncFrameMetrics(
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aScrollOffset.x, aScrollOffset.y, aZoom.scale,
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aCssPageRect.x, aCssPageRect.y,
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aCssPageRect.XMost(), aCssPageRect.YMost(),
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dp.x, dp.y, dp.width, dp.height,
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aPaintedResolution.scale, aLayersUpdated, aPaintSyncId);
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MOZ_ASSERT(viewTransform, "No view transform object!");
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aFixedLayerMargins.top = viewTransform->FixedLayerMarginTop();
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aFixedLayerMargins.right = viewTransform->FixedLayerMarginRight();
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aFixedLayerMargins.bottom = viewTransform->FixedLayerMarginBottom();
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aFixedLayerMargins.left = viewTransform->FixedLayerMarginLeft();
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}
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} // namespace widget
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} // namespace mozilla
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