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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 /dom/ipc/CoalescedInputData.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 'dom/ipc/CoalescedInputData.h')
-rw-r--r--dom/ipc/CoalescedInputData.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/ipc/CoalescedInputData.h b/dom/ipc/CoalescedInputData.h
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+++ b/dom/ipc/CoalescedInputData.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 mozilla_dom_CoalescedInputData_h
+#define mozilla_dom_CoalescedInputData_h
+
+#include "mozilla/UniquePtr.h"
+#include "mozilla/layers/ScrollableLayerGuid.h"
+#include "nsRefreshObservers.h"
+
+class nsRefreshDriver;
+
+namespace mozilla::dom {
+
+class BrowserChild;
+
+template <class InputEventType>
+class CoalescedInputData {
+ protected:
+ using ScrollableLayerGuid = mozilla::layers::ScrollableLayerGuid;
+
+ UniquePtr<InputEventType> mCoalescedInputEvent;
+ ScrollableLayerGuid mGuid;
+ uint64_t mInputBlockId;
+
+ public:
+ CoalescedInputData() : mInputBlockId(0) {}
+
+ void RetrieveDataFrom(CoalescedInputData& aSource) {
+ mCoalescedInputEvent = std::move(aSource.mCoalescedInputEvent);
+ mGuid = aSource.mGuid;
+ mInputBlockId = aSource.mInputBlockId;
+ }
+
+ bool IsEmpty() { return !mCoalescedInputEvent; }
+
+ bool CanCoalesce(const InputEventType& aEvent,
+ const ScrollableLayerGuid& aGuid,
+ const uint64_t& aInputBlockId);
+
+ UniquePtr<InputEventType> TakeCoalescedEvent() {
+ return std::move(mCoalescedInputEvent);
+ }
+
+ ScrollableLayerGuid GetScrollableLayerGuid() { return mGuid; }
+
+ uint64_t GetInputBlockId() { return mInputBlockId; }
+};
+
+class CoalescedInputFlusher : public nsARefreshObserver {
+ public:
+ explicit CoalescedInputFlusher(BrowserChild* aBrowserChild);
+
+ virtual void WillRefresh(mozilla::TimeStamp aTime) override = 0;
+
+ NS_INLINE_DECL_REFCOUNTING(CoalescedInputFlusher, override)
+
+ void StartObserver();
+ void RemoveObserver();
+
+ protected:
+ virtual ~CoalescedInputFlusher();
+
+ nsRefreshDriver* GetRefreshDriver();
+
+ BrowserChild* mBrowserChild;
+ RefPtr<nsRefreshDriver> mRefreshDriver;
+};
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_CoalescedInputData_h