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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/ipc/LayerAnimationUtils.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/layers/ipc/LayerAnimationUtils.cpp')
-rw-r--r--gfx/layers/ipc/LayerAnimationUtils.cpp45
1 files changed, 45 insertions, 0 deletions
diff --git a/gfx/layers/ipc/LayerAnimationUtils.cpp b/gfx/layers/ipc/LayerAnimationUtils.cpp
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+++ b/gfx/layers/ipc/LayerAnimationUtils.cpp
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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/. */
+
+#include "LayerAnimationUtils.h"
+#include "mozilla/ComputedTimingFunction.h" // For ComputedTimingFunction
+#include "mozilla/layers/LayersMessages.h" // For TimingFunction etc.
+
+namespace mozilla {
+namespace layers {
+
+/* static */ Maybe<ComputedTimingFunction>
+AnimationUtils::TimingFunctionToComputedTimingFunction(
+ const TimingFunction& aTimingFunction)
+{
+ switch (aTimingFunction.type()) {
+ case TimingFunction::Tnull_t:
+ return Nothing();
+ case TimingFunction::TCubicBezierFunction: {
+ ComputedTimingFunction result;
+ CubicBezierFunction cbf = aTimingFunction.get_CubicBezierFunction();
+ result.Init(nsTimingFunction(cbf.x1(), cbf.y1(), cbf.x2(), cbf.y2()));
+ return Some(result);
+ }
+ case TimingFunction::TStepFunction: {
+ StepFunction sf = aTimingFunction.get_StepFunction();
+ nsTimingFunction::Type type = sf.type() == 1 ?
+ nsTimingFunction::Type::StepStart :
+ nsTimingFunction::Type::StepEnd;
+ ComputedTimingFunction result;
+ result.Init(nsTimingFunction(type, sf.steps()));
+ return Some(result);
+ }
+ default:
+ MOZ_ASSERT_UNREACHABLE(
+ "Function must be null, bezier or step");
+ break;
+ }
+ return Nothing();
+}
+
+} // namespace layers
+} // namespace mozilla