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(manager, 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(mcc->Time()), mcc->Time(), 0,
ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
origin, 0, 10, false);
EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
EXPECT_EQ(origin, swi.mOrigin);
AsyncTransform viewTransform;
ParentLayerPoint point;
apzcroot->SampleContentTransformForFrame(&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);
mcc->AdvanceByMillis(5);
}
}
TEST_F(APZHitTestingTester, TestForceDisableApz) {
CreateSimpleScrollingLayer();
DisableApzOn(root);
ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
manager->UpdateHitTestingTree(nullptr, root, false, 0, 0);
TestAsyncPanZoomController* apzcroot = ApzcOf(root);
ScreenPoint origin(100, 50);
ScrollWheelInput swi(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
origin, 0, 10, false);
EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
EXPECT_EQ(origin, swi.mOrigin);
AsyncTransform viewTransform;
ParentLayerPoint point;
apzcroot->SampleContentTransformForFrame(&viewTransform, point);
// Since APZ is force-disabled, we expect to see the async transform via
// the NORMAL AsyncMode, but not via the RESPECT_FORCE_DISABLE AsyncMode.
EXPECT_EQ(0, point.x);
EXPECT_EQ(10, point.y);
EXPECT_EQ(0, viewTransform.mTranslation.x);
EXPECT_EQ(-10, viewTransform.mTranslation.y);
viewTransform = apzcroot->GetCurrentAsyncTransform(AsyncPanZoomController::RESPECT_FORCE_DISABLE);
point = apzcroot->GetCurrentAsyncScrollOffset(AsyncPanZoomController::RESPECT_FORCE_DISABLE);
EXPECT_EQ(0, point.x);
EXPECT_EQ(0, point.y);
EXPECT_EQ(0, viewTransform.mTranslation.x);
EXPECT_EQ(0, viewTransform.mTranslation.y);
mcc->AdvanceByMillis(10);
// With untransforming events we should get normal behaviour (in this case,
// no noticeable untransform, because the repaint request already got
// flushed).
swi = ScrollWheelInput(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
origin, 0, 0, false);
EXPECT_EQ(nsEventStatus_eConsumeDoDefault, manager->ReceiveInputEvent(swi, nullptr, nullptr));
EXPECT_EQ(origin, swi.mOrigin);
}
TEST_F(APZCTreeManagerTester, Bug1198900) {
// This is just a test that cancels a wheel event to make sure it doesn't
// crash.
CreateSimpleDTCScrollingLayer();
ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
manager->UpdateHitTestingTree(nullptr, root, false, 0, 0);
ScreenPoint origin(100, 50);
ScrollWheelInput swi(MillisecondsSinceStartup(mcc->Time()), mcc->Time(), 0,
ScrollWheelInput::SCROLLMODE_INSTANT, ScrollWheelInput::SCROLLDELTA_PIXEL,
origin, 0, 10);
uint64_t blockId;
manager->ReceiveInputEvent(swi, nullptr, &blockId);
manager->ContentReceivedInputBlock(blockId, /* preventDefault= */ true);
}
