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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_layers_APZCBasicTester_h
+#define mozilla_layers_APZCBasicTester_h
+
+/**
+ * Defines a test fixture used for testing a single APZC.
+ */
+
+#include "APZTestCommon.h"
+
+#include "mozilla/layers/APZSampler.h"
+#include "mozilla/layers/APZUpdater.h"
+
+class APZCBasicTester : public APZCTesterBase {
+ public:
+ explicit APZCBasicTester(
+ AsyncPanZoomController::GestureBehavior aGestureBehavior =
+ AsyncPanZoomController::DEFAULT_GESTURES)
+ : mGestureBehavior(aGestureBehavior) {}
+
+ protected:
+ virtual void SetUp() {
+ APZCTesterBase::SetUp();
+ APZThreadUtils::SetThreadAssertionsEnabled(false);
+ APZThreadUtils::SetControllerThread(NS_GetCurrentThread());
+
+ tm = new TestAPZCTreeManager(mcc);
+ updater = new APZUpdater(tm, false);
+ sampler = new APZSampler(tm, false);
+ apzc =
+ new TestAsyncPanZoomController(LayersId{0}, mcc, tm, mGestureBehavior);
+ apzc->SetFrameMetrics(TestFrameMetrics());
+ apzc->GetScrollMetadata().SetIsLayersIdRoot(true);
+ }
+
+ /**
+ * Get the APZC's scroll range in CSS pixels.
+ */
+ CSSRect GetScrollRange() const {
+ const FrameMetrics& metrics = apzc->GetFrameMetrics();
+ return CSSRect(metrics.GetScrollableRect().TopLeft(),
+ metrics.GetScrollableRect().Size() -
+ metrics.CalculateCompositedSizeInCssPixels());
+ }
+
+ virtual void TearDown() {
+ while (mcc->RunThroughDelayedTasks())
+ ;
+ apzc->Destroy();
+ tm->ClearTree();
+ tm->ClearContentController();
+
+ APZCTesterBase::TearDown();
+ }
+
+ void MakeApzcWaitForMainThread() { apzc->SetWaitForMainThread(); }
+
+ void MakeApzcZoomable() {
+ apzc->UpdateZoomConstraints(ZoomConstraints(
+ true, true, CSSToParentLayerScale(0.25f), CSSToParentLayerScale(4.0f)));
+ }
+
+ void MakeApzcUnzoomable() {
+ apzc->UpdateZoomConstraints(ZoomConstraints(false, false,
+ CSSToParentLayerScale(1.0f),
+ CSSToParentLayerScale(1.0f)));
+ }
+
+ /**
+ * Sample animations once, 1 ms later than the last sample.
+ */
+ void SampleAnimationOnce() {
+ const TimeDuration increment = TimeDuration::FromMilliseconds(1);
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ mcc->AdvanceBy(increment);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ }
+ /**
+ * Sample animations one frame, 17 ms later than the last sample.
+ */
+ void SampleAnimationOneFrame() {
+ const TimeDuration increment = TimeDuration::FromMilliseconds(17);
+ ParentLayerPoint pointOut;
+ AsyncTransform viewTransformOut;
+ mcc->AdvanceBy(increment);
+ apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut);
+ }
+
+ AsyncPanZoomController::GestureBehavior mGestureBehavior;
+ RefPtr<TestAPZCTreeManager> tm;
+ RefPtr<APZSampler> sampler;
+ RefPtr<APZUpdater> updater;
+ RefPtr<TestAsyncPanZoomController> apzc;
+};
+
+#endif // mozilla_layers_APZCBasicTester_h