PositionInComposedTree toPositionInComposedTree(const Position& pos)
{
if (pos.isNull())
return PositionInComposedTree();
if (pos.isOffsetInAnchor()) {
Node* anchor = pos.anchorNode();
if (anchor->offsetInCharacters())
return PositionInComposedTree(anchor, pos.computeOffsetInContainerNode());
ASSERT(!anchor->isSlotOrActiveInsertionPoint());
int offset = pos.computeOffsetInContainerNode();
Node* child = NodeTraversal::childAt(*anchor, offset);
if (!child) {
if (anchor->isShadowRoot())
return PositionInComposedTree(anchor->shadowHost(), PositionAnchorType::AfterChildren);
return PositionInComposedTree(anchor, PositionAnchorType::AfterChildren);
}
child->updateDistribution();
if (child->isSlotOrActiveInsertionPoint()) {
if (anchor->isShadowRoot())
return PositionInComposedTree(anchor->shadowHost(), offset);
return PositionInComposedTree(anchor, offset);
}
if (Node* parent = ComposedTreeTraversal::parent(*child))
return PositionInComposedTree(parent, ComposedTreeTraversal::index(*child));
// When |pos| isn't appeared in composed tree, we map |pos| to after
// children of shadow host.
// e.g. "foo",0 in <progress>foo</progress>
if (anchor->isShadowRoot())
return PositionInComposedTree(anchor->shadowHost(), PositionAnchorType::AfterChildren);
return PositionInComposedTree(anchor, PositionAnchorType::AfterChildren);
}
return PositionInComposedTree(pos.anchorNode(), pos.anchorType());
}
TEST_F(PositionTest, ToPositionInComposedTreeWithInactiveInsertionPoint)
{
const char* bodyContent = "<p id='p'><content></content></p>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<Element> anchor = document().getElementById("p");
EXPECT_EQ(PositionInComposedTree(anchor.get(), 0), toPositionInComposedTree(Position(anchor.get(), 0)));
EXPECT_EQ(PositionInComposedTree(anchor, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(anchor.get(), 1)));
}
TEST_F(PositionTest, ToPositionInComposedTreeWithShadowRootContainingSingleContent)
{
const char* bodyContent = "<p id='host'>00<b id='one'>11</b>22</p>";
const char* shadowContent = "<content select=#one></content>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
RefPtrWillBeRawPtr<Element> host = document().getElementById("host");
EXPECT_EQ(PositionInComposedTree(host.get(), 0), toPositionInComposedTree(Position(shadowRoot.get(), 0)));
EXPECT_EQ(PositionInComposedTree(host.get(), PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(shadowRoot.get(), 1)));
}
TEST_F(PositionTest, ToPositionInComposedTreeWithActiveInsertionPoint)
{
const char* bodyContent = "<p id='host'>00<b id='one'>11</b>22</p>";
const char* shadowContent = "<a id='a'><content select=#one id='content'></content><content></content></a>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
RefPtrWillBeRawPtr<Element> anchor = shadowRoot->getElementById("a");
EXPECT_EQ(PositionInComposedTree(anchor.get(), 0), toPositionInComposedTree(Position(anchor.get(), 0)));
EXPECT_EQ(PositionInComposedTree(anchor.get(), 1), toPositionInComposedTree(Position(anchor.get(), 1)));
EXPECT_EQ(PositionInComposedTree(anchor, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(anchor.get(), 2)));
}
TEST_F(EditingUtilitiesTest, NextNodeIndex)
{
const char* bodyContent = "<p id='host'>00<b id='one'>11</b><b id='two'>22</b>33</p>";
const char* shadowContent = "<content select=#two></content><content select=#one></content>";
setBodyContent(bodyContent);
setShadowContent(shadowContent, "host");
Node* host = document().getElementById("host");
Node* two = document().getElementById("two");
EXPECT_EQ(Position(host, 3), nextPositionOf(Position(two, 2), PositionMoveType::CodePoint));
EXPECT_EQ(PositionInComposedTree(host, 1), nextPositionOf(PositionInComposedTree(two, 2), PositionMoveType::CodePoint));
}
// This test comes from "editing/style/block-style-progress-crash.html".
TEST_F(PositionTest, ToPositionInComposedTreeWithNotDistributed)
{
setBodyContent("<progress id=sample>foo</progress>");
Element* sample = document().getElementById("sample");
EXPECT_EQ(PositionInComposedTree(sample, PositionAnchorType::AfterChildren), toPositionInComposedTree(Position(sample, 0)));
}
TEST_F(EditingUtilitiesTest, isFirstPositionAfterTable)
{
const char* bodyContent = "<div contenteditable id=host><table id=table><tr><td>1</td></tr></table><b id=two>22</b></div>";
const char* shadowContent = "<content select=#two></content><content select=#table></content>";
setBodyContent(bodyContent);
setShadowContent(shadowContent, "host");
updateLayoutAndStyleForPainting();
Node* host = document().getElementById("host");
Node* table = document().getElementById("table");
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(Position::afterNode(table))));
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(PositionInComposedTree::afterNode(table))));
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(Position::lastPositionInNode(table))));
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(PositionInComposedTree::lastPositionInNode(table))));
EXPECT_EQ(nullptr, isFirstPositionAfterTable(createVisiblePosition(Position(host, 2))));
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(PositionInComposedTree(host, 2))));
EXPECT_EQ(nullptr, isFirstPositionAfterTable(createVisiblePosition(Position::afterNode(host))));
EXPECT_EQ(nullptr, isFirstPositionAfterTable(createVisiblePosition(PositionInComposedTree::afterNode(host))));
EXPECT_EQ(nullptr, isFirstPositionAfterTable(createVisiblePosition(Position::lastPositionInNode(host))));
EXPECT_EQ(table, isFirstPositionAfterTable(createVisiblePosition(PositionInComposedTree::lastPositionInNode(host))));
}
TEST_F(EditingUtilitiesTest, directionOfEnclosingBlock)
{
const char* bodyContent = "<p id='host'><b id='one'></b><b id='two'>22</b></p>";
const char* shadowContent = "<content select=#two></content><p dir=rtl><content select=#one></content><p>";
setBodyContent(bodyContent);
setShadowContent(shadowContent, "host");
updateLayoutAndStyleForPainting();
Node* one = document().getElementById("one");
EXPECT_EQ(LTR, directionOfEnclosingBlock(Position(one, 0)));
EXPECT_EQ(RTL, directionOfEnclosingBlock(PositionInComposedTree(one, 0)));
}
TEST_F(EditingUtilitiesTest, enclosingNodeOfType)
{
const char* bodyContent = "<p id='host'><b id='one'>11</b></p>";
const char* shadowContent = "<content select=#two></content><div id='three'><content select=#one></div></content>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
updateLayoutAndStyleForPainting();
Node* host = document().getElementById("host");
Node* one = document().getElementById("one");
Node* three = shadowRoot->getElementById("three");
EXPECT_EQ(host, enclosingNodeOfType(Position(one, 0), isEnclosingBlock));
EXPECT_EQ(three, enclosingNodeOfType(PositionInComposedTree(one, 0), isEnclosingBlock));
}
TEST_F(EditingUtilitiesTest, firstEditablePositionAfterPositionInRoot)
{
const char* bodyContent = "<p id='host' contenteditable><b id='one'>1</b><b id='two'>22</b></p>";
const char* shadowContent = "<content select=#two></content><content select=#one></content><b id='three'>333</b>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
updateLayoutAndStyleForPainting();
Element* host = document().getElementById("host");
Node* one = document().getElementById("one");
Node* two = document().getElementById("two");
Node* three = shadowRoot->getElementById("three");
EXPECT_EQ(Position(one, 0), firstEditablePositionAfterPositionInRoot(Position(one, 0), *host));
EXPECT_EQ(Position(one->firstChild(), 0), firstEditableVisiblePositionAfterPositionInRoot(Position(one, 0), *host).deepEquivalent());
EXPECT_EQ(PositionInComposedTree(one, 0), firstEditablePositionAfterPositionInRoot(PositionInComposedTree(one, 0), *host));
EXPECT_EQ(PositionInComposedTree(two->firstChild(), 2), firstEditableVisiblePositionAfterPositionInRoot(PositionInComposedTree(one, 0), *host).deepEquivalent());
EXPECT_EQ(Position::firstPositionInNode(host), firstEditablePositionAfterPositionInRoot(Position(three, 0), *host));
EXPECT_EQ(Position(one->firstChild(), 0), firstEditableVisiblePositionAfterPositionInRoot(Position(three, 0), *host).deepEquivalent());
EXPECT_EQ(PositionInComposedTree::afterNode(host), firstEditablePositionAfterPositionInRoot(PositionInComposedTree(three, 0), *host));
EXPECT_EQ(PositionInComposedTree::lastPositionInNode(host), firstEditableVisiblePositionAfterPositionInRoot(PositionInComposedTree(three, 0), *host).deepEquivalent());
}
TEST_F(EditingUtilitiesTest, NextVisuallyDistinctCandidate)
{
const char* bodyContent = "<p id='host'>00<b id='one'>11</b><b id='two'>22</b><b id='three'>33</b></p>";
const char* shadowContent = "<content select=#two></content><content select=#one></content><content select=#three></content>";
setBodyContent(bodyContent);
setShadowContent(shadowContent, "host");
updateLayoutAndStyleForPainting();
Node* one = document().getElementById("one");
Node* two = document().getElementById("two");
Node* three = document().getElementById("three");
EXPECT_EQ(Position(two->firstChild(), 1), nextVisuallyDistinctCandidate(Position(one, 1)));
EXPECT_EQ(PositionInComposedTree(three->firstChild(), 1), nextVisuallyDistinctCandidate(PositionInComposedTree(one, 1)));
}
TEST_F(VisiblePositionTest, ShadowV0DistributedNodes)
{
const char* bodyContent = "<p id='host'>00<b id='one'>11</b><b id='two'>22</b>33</p>";
const char* shadowContent = "<a><span id='s4'>44</span><content select=#two></content><span id='s5'>55</span><content select=#one></content><span id='s6'>66</span></a>";
setBodyContent(bodyContent);
RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = setShadowContent(shadowContent, "host");
RefPtrWillBeRawPtr<Element> body = document().body();
RefPtrWillBeRawPtr<Element> one = body->querySelector("#one", ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> two = body->querySelector("#two", ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> four = shadowRoot->querySelector("#s4", ASSERT_NO_EXCEPTION);
RefPtrWillBeRawPtr<Element> five = shadowRoot->querySelector("#s5", ASSERT_NO_EXCEPTION);
EXPECT_EQ(Position(one->firstChild(), 0), canonicalPositionOf(Position(one, 0)));
EXPECT_EQ(Position(one->firstChild(), 0), createVisiblePosition(Position(one, 0)).deepEquivalent());
EXPECT_EQ(Position(one->firstChild(), 2), canonicalPositionOf(Position(two.get(), 0)));
EXPECT_EQ(Position(one->firstChild(), 2), createVisiblePosition(Position(two.get(), 0)).deepEquivalent());
EXPECT_EQ(PositionInComposedTree(five->firstChild(), 2), canonicalPositionOf(PositionInComposedTree(one.get(), 0)));
EXPECT_EQ(PositionInComposedTree(five->firstChild(), 2), createVisiblePosition(PositionInComposedTree(one.get(), 0)).deepEquivalent());
EXPECT_EQ(PositionInComposedTree(four->firstChild(), 2), canonicalPositionOf(PositionInComposedTree(two.get(), 0)));
EXPECT_EQ(PositionInComposedTree(four->firstChild(), 2), createVisiblePosition(PositionInComposedTree(two.get(), 0)).deepEquivalent());
}
TEST_F(PositionTest, NodeAsRangeLastNodeNull)
{
EXPECT_EQ(nullptr, Position().nodeAsRangeLastNode());
EXPECT_EQ(nullptr, PositionInComposedTree().nodeAsRangeLastNode());
}