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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_APZCBasicTester_h
#define mozilla_layers_APZCBasicTester_h
/**
* Defines a test fixture used for testing a single APZC.
*/
#include "APZTestCommon.h"
class APZCBasicTester : public APZCTesterBase {
public:
explicit APZCBasicTester(AsyncPanZoomController::GestureBehavior aGestureBehavior = AsyncPanZoomController::DEFAULT_GESTURES)
: mGestureBehavior(aGestureBehavior)
{
}
protected:
virtual void SetUp()
{
gfxPrefs::GetSingleton();
APZThreadUtils::SetThreadAssertionsEnabled(false);
APZThreadUtils::SetControllerThread(MessageLoop::current());
tm = new TestAPZCTreeManager(mcc);
apzc = new TestAsyncPanZoomController(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();
}
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)));
}
void PanIntoOverscroll();
/**
* 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 until we recover from overscroll.
* @param aExpectedScrollOffset the expected reported scroll offset
* throughout the animation
*/
void SampleAnimationUntilRecoveredFromOverscroll(const ParentLayerPoint& aExpectedScrollOffset)
{
const TimeDuration increment = TimeDuration::FromMilliseconds(1);
bool recoveredFromOverscroll = false;
ParentLayerPoint pointOut;
AsyncTransform viewTransformOut;
while (apzc->SampleContentTransformForFrame(&viewTransformOut, pointOut)) {
// The reported scroll offset should be the same throughout.
EXPECT_EQ(aExpectedScrollOffset, pointOut);
// Trigger computation of the overscroll tranform, to make sure
// no assetions fire during the calculation.
apzc->GetOverscrollTransform(AsyncPanZoomController::NORMAL);
if (!apzc->IsOverscrolled()) {
recoveredFromOverscroll = true;
}
mcc->AdvanceBy(increment);
}
EXPECT_TRUE(recoveredFromOverscroll);
apzc->AssertStateIsReset();
}
void TestOverscroll();
AsyncPanZoomController::GestureBehavior mGestureBehavior;
RefPtr<TestAPZCTreeManager> tm;
RefPtr<TestAsyncPanZoomController> apzc;
};
#endif // mozilla_layers_APZCBasicTester_h
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