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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/ipc/CoalescedInputData.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/ipc/CoalescedInputData.h')
-rw-r--r-- | dom/ipc/CoalescedInputData.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/dom/ipc/CoalescedInputData.h b/dom/ipc/CoalescedInputData.h new file mode 100644 index 0000000000..aeac9d99a0 --- /dev/null +++ b/dom/ipc/CoalescedInputData.h @@ -0,0 +1,74 @@ +/* -*- 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 |