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Bug 1166871 - Add a test. r=botond

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This commit is contained in:
Kartikaya Gupta 2015-05-29 11:04:22 -04:00
parent 8674c33d5b
commit 5cc523e77d
2 changed files with 34 additions and 0 deletions
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1
gfx/layers/apz/src/AsyncPanZoomController.cpp
View File

@ -1505,6 +1505,7 @@ AsyncPanZoomController::AllowScrollHandoffInWheelTransaction() const
nsEventStatus AsyncPanZoomController::OnScrollWheel(const ScrollWheelInput& aEvent)
{
LayoutDevicePoint delta = GetScrollWheelDelta(aEvent);
APZC_LOG("%p got a scroll-wheel with delta %s\n", this, Stringify(delta).c_str());
if ((delta.x || delta.y) &&
!CanScrollWithWheel(delta) &&

33
gfx/tests/gtest/TestAsyncPanZoomController.cpp
View File

@ -1899,6 +1899,8 @@ protected:
layerBound.width, layerBound.height));
metrics.SetScrollableRect(aScrollableRect);
metrics.SetScrollOffset(CSSPoint(0, 0));
metrics.SetPageScrollAmount(LayoutDeviceIntSize(50, 100));
metrics.SetAllowVerticalScrollWithWheel();
aLayer->SetFrameMetrics(metrics);
aLayer->SetClipRect(Some(ViewAs<ParentLayerPixel>(layerBound)));
if (!aScrollableRect.IsEqualEdges(CSSRect(-1, -1, -1, -1))) {
@ -2424,6 +2426,37 @@ TEST_F(APZHitTestingTester, TestRepaintFlushOnNewInputBlock) {
mcc->RunThroughDelayedTasks();
}
TEST_F(APZHitTestingTester, TestRepaintFlushOnWheelEvents) {
// The purpose of this test is to ensure that wheel events trigger a repaint
// flush as per bug 1166871, and that the wheel event untransform is a no-op.
CreateSimpleScrollingLayer();
ScopedLayerTreeRegistration registration(0, root, mcc);
manager->UpdateHitTestingTree(nullptr, root, false, 0, 0);
TestAsyncPanZoomController* apzcroot = ApzcOf(root);
EXPECT_CALL(*mcc, RequestContentRepaint(_)).Times(AtLeast(3));
ScreenPoint origin(100, 50);
for (int i = 0; i < 3; i++) {
ScrollWheelInput swi(MillisecondsSinceStartup(mTime), mTime, 0,
ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
origin, 0, 10);
EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
EXPECT_EQ(origin, swi.mOrigin);
ViewTransform viewTransform;
ParentLayerPoint point;
apzcroot->SampleContentTransformForFrame(mTime, &viewTransform, point);
EXPECT_EQ(0, point.x);
EXPECT_EQ((i + 1) * 10, point.y);
EXPECT_EQ(0, viewTransform.mTranslation.x);
EXPECT_EQ((i + 1) * -10, viewTransform.mTranslation.y);
mTime += TimeDuration::FromMilliseconds(5);
}
mcc->RunThroughDelayedTasks();
}
TEST_F(APZHitTestingTester, Bug1148350) {
CreateBug1148350LayerTree();
ScopedLayerTreeRegistration registration(0, root, mcc);