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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)
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Add m-esr52 at 52.6.0
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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_QueuedInput_h
+#define mozilla_layers_QueuedInput_h
+
+#include "mozilla/RefPtr.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+
+class InputData;
+class MultiTouchInput;
+class ScrollWheelInput;
+class MouseInput;
+class PanGestureInput;
+
+namespace layers {
+
+class CancelableBlockState;
+class TouchBlockState;
+class WheelBlockState;
+class DragBlockState;
+class PanGestureBlockState;
+
+/**
+ * This lightweight class holds a pointer to an input event that has not yet
+ * been completely processed, along with the input block that the input event
+ * is associated with.
+ */
+class QueuedInput
+{
+public:
+ QueuedInput(const MultiTouchInput& aInput, TouchBlockState& aBlock);
+ QueuedInput(const ScrollWheelInput& aInput, WheelBlockState& aBlock);
+ QueuedInput(const MouseInput& aInput, DragBlockState& aBlock);
+ QueuedInput(const PanGestureInput& aInput, PanGestureBlockState& aBlock);
+
+ InputData* Input();
+ CancelableBlockState* Block();
+
+private:
+ // A copy of the input event that is provided to the constructor. This must
+ // be non-null, and is owned by this QueuedInput instance (hence the
+ // UniquePtr).
+ UniquePtr<InputData> mInput;
+ // A pointer to the block that the input event is associated with. This must
+ // be non-null.
+ RefPtr<CancelableBlockState> mBlock;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif // mozilla_layers_QueuedInput_h