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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /layout/painting/HitTestInfo.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/painting/HitTestInfo.h')
-rw-r--r--layout/painting/HitTestInfo.h59
1 files changed, 59 insertions, 0 deletions
diff --git a/layout/painting/HitTestInfo.h b/layout/painting/HitTestInfo.h
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+/* -*- 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 GFX_HITTESTINFO_H
+#define GFX_HITTESTINFO_H
+
+#include "mozilla/gfx/CompositorHitTestInfo.h"
+#include "mozilla/layers/ScrollableLayerGuid.h"
+#include "nsRect.h"
+
+class nsIFrame;
+
+namespace mozilla {
+
+class nsDisplayListBuilder;
+struct ActiveScrolledRoot;
+
+namespace wr {
+class DisplayListBuilder;
+} // namespace wr
+
+/**
+ * A helper class that manages compositor hit testing information.
+ */
+class HitTestInfo {
+ public:
+ using CompositorHitTestInfo = gfx::CompositorHitTestInfo;
+ using ViewID = layers::ScrollableLayerGuid::ViewID;
+
+ ViewID GetViewId(wr::DisplayListBuilder& aBuilder,
+ const ActiveScrolledRoot* aASR) const;
+
+ void Initialize(nsDisplayListBuilder* aBuilder, nsIFrame* aFrame);
+ void InitializeScrollTarget(nsDisplayListBuilder* aBuilder);
+
+ void SetAreaAndInfo(const nsRect& aArea, const CompositorHitTestInfo& aInfo) {
+ mArea = aArea;
+ mInfo = aInfo;
+ }
+
+ static void Shutdown();
+
+ const nsRect& Area() const { return mArea; }
+ const CompositorHitTestInfo& Info() const { return mInfo; }
+
+ static const HitTestInfo& Empty();
+
+ private:
+ nsRect mArea;
+ CompositorHitTestInfo mInfo;
+ mozilla::Maybe<ViewID> mScrollTarget;
+};
+
+} // namespace mozilla
+
+#endif