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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /gfx/layers/apz/public/MatrixMessage.h | |
parent | Initial commit. (diff) | |
download | firefox-e51783d008170d9ab27d25da98ca3a38b0a41b67.tar.xz firefox-e51783d008170d9ab27d25da98ca3a38b0a41b67.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/layers/apz/public/MatrixMessage.h')
-rw-r--r-- | gfx/layers/apz/public/MatrixMessage.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/gfx/layers/apz/public/MatrixMessage.h b/gfx/layers/apz/public/MatrixMessage.h new file mode 100644 index 0000000000..45050f7406 --- /dev/null +++ b/gfx/layers/apz/public/MatrixMessage.h @@ -0,0 +1,64 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +#ifndef mozilla_layers_MatrixMessage_h +#define mozilla_layers_MatrixMessage_h + +#include "mozilla/Maybe.h" +#include "mozilla/gfx/Matrix.h" +#include "mozilla/layers/LayersTypes.h" +#include "Units.h" // for ScreenRect +#include "UnitTransforms.h" + +namespace mozilla { +namespace layers { +class MatrixMessage { + public: + // Don't use this one directly + MatrixMessage() = default; + + MatrixMessage(const Maybe<LayerToScreenMatrix4x4>& aMatrix, + const ScreenRect& aTopLevelViewportVisibleRectInBrowserCoords, + const LayersId& aLayersId) + : mMatrix(ToUnknownMatrix(aMatrix)), + mTopLevelViewportVisibleRectInBrowserCoords( + aTopLevelViewportVisibleRectInBrowserCoords), + mLayersId(aLayersId) {} + + inline Maybe<LayerToScreenMatrix4x4> GetMatrix() const { + return LayerToScreenMatrix4x4::FromUnknownMatrix(mMatrix); + } + + inline ScreenRect GetTopLevelViewportVisibleRectInBrowserCoords() const { + return mTopLevelViewportVisibleRectInBrowserCoords; + } + + inline const LayersId& GetLayersId() const { return mLayersId; } + + bool operator==(const MatrixMessage& aOther) const { + return aOther.mMatrix == mMatrix && + aOther.mTopLevelViewportVisibleRectInBrowserCoords == + mTopLevelViewportVisibleRectInBrowserCoords && + aOther.mLayersId == mLayersId; + } + + bool operator!=(const MatrixMessage& aOther) const { + return !(*this == aOther); + } + // Fields are public for IPC. Don't access directly + // elsewhere. + // Transform matrix to convert this layer to screen coordinate. + Maybe<gfx::Matrix4x4> mMatrix; // Untyped for IPC + // The remote iframe document rectangle corresponding to this layer. + // The rectangle is the result of clipped out by ancestor async scrolling so + // that the rectangle will be empty if it's completely scrolled out of view. + ScreenRect mTopLevelViewportVisibleRectInBrowserCoords; + LayersId mLayersId; +}; +}; // namespace layers +}; // namespace mozilla + +#endif // mozilla_layers_MatrixMessage_h |