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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/layers/apz/src/WheelScrollAnimation.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/layers/apz/src/WheelScrollAnimation.h')
-rw-r--r--gfx/layers/apz/src/WheelScrollAnimation.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/gfx/layers/apz/src/WheelScrollAnimation.h b/gfx/layers/apz/src/WheelScrollAnimation.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et 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_WheelScrollAnimation_h_
+#define mozilla_layers_WheelScrollAnimation_h_
+
+#include "AsyncPanZoomAnimation.h"
+#include "AsyncScrollBase.h"
+#include "InputData.h"
+
+namespace mozilla {
+namespace layers {
+
+class AsyncPanZoomController;
+
+class WheelScrollAnimation
+ : public AsyncPanZoomAnimation,
+ public AsyncScrollBase
+{
+public:
+ WheelScrollAnimation(AsyncPanZoomController& aApzc,
+ const nsPoint& aInitialPosition,
+ ScrollWheelInput::ScrollDeltaType aDeltaType);
+
+ bool DoSample(FrameMetrics& aFrameMetrics, const TimeDuration& aDelta) override;
+ void Update(TimeStamp aTime, nsPoint aDelta, const nsSize& aCurrentVelocity);
+
+ WheelScrollAnimation* AsWheelScrollAnimation() override {
+ return this;
+ }
+
+ CSSPoint GetDestination() const {
+ return CSSPoint::FromAppUnits(mFinalDestination);
+ }
+
+private:
+ void InitPreferences(TimeStamp aTime);
+
+private:
+ AsyncPanZoomController& mApzc;
+ nsPoint mFinalDestination;
+ ScrollWheelInput::ScrollDeltaType mDeltaType;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // mozilla_layers_WheelScrollAnimation_h_