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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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gfx/layers/apz/test/gtest/TestTreeManager.cpp Normal file
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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/. */
#include "APZCTreeManagerTester.h"
#include "APZTestCommon.h"
#include "InputUtils.h"
TEST_F(APZCTreeManagerTester, ScrollablePaintedLayers) {
CreateSimpleMultiLayerTree();
ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
// both layers have the same scrollId
SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID);
SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID);
manager->UpdateHitTestingTree(0, root, false, 0, 0);
TestAsyncPanZoomController* nullAPZC = nullptr;
// so they should have the same APZC
EXPECT_FALSE(layers[0]->HasScrollableFrameMetrics());
EXPECT_NE(nullAPZC, ApzcOf(layers[1]));
EXPECT_NE(nullAPZC, ApzcOf(layers[2]));
EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2]));
// Change the scrollId of layers[1], and verify the APZC changes
SetScrollableFrameMetrics(layers[1], FrameMetrics::START_SCROLL_ID + 1);
manager->UpdateHitTestingTree(0, root, false, 0, 0);
EXPECT_NE(ApzcOf(layers[1]), ApzcOf(layers[2]));
// Change the scrollId of layers[2] to match that of layers[1], ensure we get the same
// APZC for both again
SetScrollableFrameMetrics(layers[2], FrameMetrics::START_SCROLL_ID + 1);
manager->UpdateHitTestingTree(0, root, false, 0, 0);
EXPECT_EQ(ApzcOf(layers[1]), ApzcOf(layers[2]));
}
TEST_F(APZCTreeManagerTester, Bug1068268) {
CreatePotentiallyLeakingTree();
ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
manager->UpdateHitTestingTree(0, root, false, 0, 0);
RefPtr<HitTestingTreeNode> root = manager->GetRootNode();
RefPtr<HitTestingTreeNode> node2 = root->GetFirstChild()->GetFirstChild();
RefPtr<HitTestingTreeNode> node5 = root->GetLastChild()->GetLastChild();
EXPECT_EQ(ApzcOf(layers[2]), node5->GetApzc());
EXPECT_EQ(ApzcOf(layers[2]), node2->GetApzc());
EXPECT_EQ(ApzcOf(layers[0]), ApzcOf(layers[2])->GetParent());
EXPECT_EQ(ApzcOf(layers[2]), ApzcOf(layers[5]));
EXPECT_EQ(node2->GetFirstChild(), node2->GetLastChild());
EXPECT_EQ(ApzcOf(layers[3]), node2->GetLastChild()->GetApzc());
EXPECT_EQ(node5->GetFirstChild(), node5->GetLastChild());
EXPECT_EQ(ApzcOf(layers[6]), node5->GetLastChild()->GetApzc());
EXPECT_EQ(ApzcOf(layers[2]), ApzcOf(layers[3])->GetParent());
EXPECT_EQ(ApzcOf(layers[5]), ApzcOf(layers[6])->GetParent());
}
TEST_F(APZCTreeManagerTester, Bug1194876) {
CreateBug1194876Tree();
ScopedLayerTreeRegistration registration(manager, 0, root, mcc);
manager->UpdateHitTestingTree(0, root, false, 0, 0);
uint64_t blockId;
nsTArray<ScrollableLayerGuid> targets;
// First touch goes down, APZCTM will hit layers[1] because it is on top of
// layers[0], but we tell it the real target APZC is layers[0].
MultiTouchInput mti;
mti = CreateMultiTouchInput(MultiTouchInput::MULTITOUCH_START, mcc->Time());
mti.mTouches.AppendElement(SingleTouchData(0, ParentLayerPoint(25, 50), ScreenSize(0, 0), 0, 0));
manager->ReceiveInputEvent(mti, nullptr, &blockId);
manager->ContentReceivedInputBlock(blockId, false);
targets.AppendElement(ApzcOf(layers[0])->GetGuid());
manager->SetTargetAPZC(blockId, targets);
// Around here, the above touch will get processed by ApzcOf(layers[0])
// Second touch goes down (first touch remains down), APZCTM will again hit
// layers[1]. Again we tell it both touches landed on layers[0], but because
// layers[1] is the RCD layer, it will end up being the multitouch target.
mti.mTouches.AppendElement(SingleTouchData(1, ParentLayerPoint(75, 50), ScreenSize(0, 0), 0, 0));
manager->ReceiveInputEvent(mti, nullptr, &blockId);
manager->ContentReceivedInputBlock(blockId, false);
targets.AppendElement(ApzcOf(layers[0])->GetGuid());
manager->SetTargetAPZC(blockId, targets);
// Around here, the above multi-touch will get processed by ApzcOf(layers[1]).
// We want to ensure that ApzcOf(layers[0]) has had its state cleared, because
// otherwise it will do things like dispatch spurious long-tap events.
EXPECT_CALL(*mcc, HandleTap(TapType::eLongTap, _, _, _, _)).Times(0);
}
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(0, 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, false);
uint64_t blockId;
manager->ReceiveInputEvent(swi, nullptr, &blockId);
manager->ContentReceivedInputBlock(blockId, /* preventDefault= */ true);
}