| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "core/editing/VisibleSelection.h" |
| |
| #include "core/dom/Range.h" |
| #include "core/editing/EphemeralRange.h" |
| #include "core/editing/SelectionAdjuster.h" |
| #include "core/editing/SelectionTemplate.h" |
| #include "core/editing/testing/EditingTestBase.h" |
| |
| #define LOREM_IPSUM \ |
| "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod " \ |
| "tempor " \ |
| "incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, " \ |
| "quis nostrud " \ |
| "exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. " \ |
| "Duis aute irure " \ |
| "dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat " \ |
| "nulla pariatur." \ |
| "Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia " \ |
| "deserunt " \ |
| "mollit anim id est laborum." |
| |
| namespace blink { |
| |
| class VisibleSelectionTest : public EditingTestBase { |
| protected: |
| // Helper function to set the VisibleSelection base/extent. |
| template <typename Strategy> |
| void SetSelection(VisibleSelectionTemplate<Strategy>& selection, int base) { |
| SetSelection(selection, base, base); |
| } |
| |
| // Helper function to set the VisibleSelection base/extent. |
| template <typename Strategy> |
| void SetSelection(VisibleSelectionTemplate<Strategy>& selection, |
| int base, |
| int extend) { |
| Node* node = GetDocument().body()->firstChild(); |
| selection = CreateVisibleSelection( |
| typename SelectionTemplate<Strategy>::Builder(selection.AsSelection()) |
| .Collapse(PositionTemplate<Strategy>(node, base)) |
| .Extend(PositionTemplate<Strategy>(node, extend)) |
| .Build()); |
| } |
| |
| std::string GetWordSelectionText(const std::string&); |
| }; |
| |
| std::string VisibleSelectionTest::GetWordSelectionText( |
| const std::string& selection_text) { |
| const PositionInFlatTree position = |
| ToPositionInFlatTree(SetSelectionTextToBody(selection_text).Base()); |
| return GetSelectionTextInFlatTreeFromBody( |
| CreateVisibleSelectionWithGranularity( |
| SelectionInFlatTree::Builder().Collapse(position).Build(), |
| TextGranularity::kWord) |
| .AsSelection()); |
| } |
| |
| static void TestFlatTreePositionsToEqualToDOMTreePositions( |
| const VisibleSelection& selection, |
| const VisibleSelectionInFlatTree& selection_in_flat_tree) { |
| // Since DOM tree positions can't be map to flat tree version, e.g. |
| // shadow root, not distributed node, we map a position in flat tree |
| // to DOM tree position. |
| EXPECT_EQ(selection.Start(), |
| ToPositionInDOMTree(selection_in_flat_tree.Start())); |
| EXPECT_EQ(selection.End(), ToPositionInDOMTree(selection_in_flat_tree.End())); |
| EXPECT_EQ(selection.Base(), |
| ToPositionInDOMTree(selection_in_flat_tree.Base())); |
| EXPECT_EQ(selection.Extent(), |
| ToPositionInDOMTree(selection_in_flat_tree.Extent())); |
| } |
| |
| template <typename Strategy> |
| VisibleSelectionTemplate<Strategy> ExpandUsingGranularity( |
| const VisibleSelectionTemplate<Strategy>& selection, |
| TextGranularity granularity) { |
| return CreateVisibleSelectionWithGranularity( |
| typename SelectionTemplate<Strategy>::Builder() |
| .SetBaseAndExtent(selection.Base(), selection.Extent()) |
| .Build(), |
| granularity); |
| } |
| |
| TEST_F(VisibleSelectionTest, expandUsingGranularity) { |
| const char* body_content = |
| "<span id=host><a id=one>1</a><a id=two>22</a></span>"; |
| const char* shadow_content = |
| "<p><b id=three>333</b><content select=#two></content><b " |
| "id=four>4444</b><span id=space> </span><content " |
| "select=#one></content><b id=five>55555</b></p>"; |
| SetBodyContent(body_content); |
| ShadowRoot* shadow_root = SetShadowContent(shadow_content, "host"); |
| |
| Node* one = GetDocument().getElementById("one")->firstChild(); |
| Node* two = GetDocument().getElementById("two")->firstChild(); |
| Node* three = shadow_root->getElementById("three")->firstChild(); |
| Node* four = shadow_root->getElementById("four")->firstChild(); |
| Node* five = shadow_root->getElementById("five")->firstChild(); |
| |
| VisibleSelection selection; |
| VisibleSelectionInFlatTree selection_in_flat_tree; |
| |
| // From a position at distributed node |
| selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder().Collapse(Position(one, 1)).Build()); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| CreateVisibleSelection(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(one, 1)) |
| .Build()); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| EXPECT_EQ(selection.Start(), selection.Base()); |
| EXPECT_EQ(selection.End(), selection.Extent()); |
| EXPECT_EQ(Position(one, 0), selection.Start()); |
| EXPECT_EQ(Position(two, 2), selection.End()); |
| |
| EXPECT_EQ(selection_in_flat_tree.Start(), selection_in_flat_tree.Base()); |
| EXPECT_EQ(selection_in_flat_tree.End(), selection_in_flat_tree.Extent()); |
| EXPECT_EQ(PositionInFlatTree(one, 0), selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(five, 5), selection_in_flat_tree.End()); |
| |
| // From a position at distributed node |
| selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder().Collapse(Position(two, 1)).Build()); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| CreateVisibleSelection(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(two, 1)) |
| .Build()); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| EXPECT_EQ(selection.Start(), selection.Base()); |
| EXPECT_EQ(selection.End(), selection.Extent()); |
| EXPECT_EQ(Position(one, 0), selection.Start()); |
| EXPECT_EQ(Position(two, 2), selection.End()); |
| |
| EXPECT_EQ(selection_in_flat_tree.Start(), selection_in_flat_tree.Base()); |
| EXPECT_EQ(selection_in_flat_tree.End(), selection_in_flat_tree.Extent()); |
| EXPECT_EQ(PositionInFlatTree(three, 0), selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(four, 4), selection_in_flat_tree.End()); |
| |
| // From a position at node in shadow tree |
| selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder().Collapse(Position(three, 1)).Build()); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| CreateVisibleSelection(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(three, 1)) |
| .Build()); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| EXPECT_EQ(selection.Start(), selection.Base()); |
| EXPECT_EQ(selection.End(), selection.Extent()); |
| EXPECT_EQ(Position(three, 0), selection.Start()); |
| EXPECT_EQ(Position(four, 4), selection.End()); |
| |
| EXPECT_EQ(selection_in_flat_tree.Start(), selection_in_flat_tree.Base()); |
| EXPECT_EQ(selection_in_flat_tree.End(), selection_in_flat_tree.Extent()); |
| EXPECT_EQ(PositionInFlatTree(three, 0), selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(four, 4), selection_in_flat_tree.End()); |
| |
| // From a position at node in shadow tree |
| selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder().Collapse(Position(four, 1)).Build()); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| CreateVisibleSelection(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(four, 1)) |
| .Build()); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| EXPECT_EQ(selection.Start(), selection.Base()); |
| EXPECT_EQ(selection.End(), selection.Extent()); |
| EXPECT_EQ(Position(three, 0), selection.Start()); |
| EXPECT_EQ(Position(four, 4), selection.End()); |
| |
| EXPECT_EQ(selection_in_flat_tree.Start(), selection_in_flat_tree.Base()); |
| EXPECT_EQ(selection_in_flat_tree.End(), selection_in_flat_tree.Extent()); |
| EXPECT_EQ(PositionInFlatTree(three, 0), selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(four, 4), selection_in_flat_tree.End()); |
| |
| // From a position at node in shadow tree |
| selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder().Collapse(Position(five, 1)).Build()); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| CreateVisibleSelection(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(five, 1)) |
| .Build()); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| EXPECT_EQ(selection.Start(), selection.Base()); |
| EXPECT_EQ(selection.End(), selection.Extent()); |
| EXPECT_EQ(Position(five, 0), selection.Start()); |
| EXPECT_EQ(Position(five, 5), selection.End()); |
| |
| EXPECT_EQ(selection_in_flat_tree.Start(), selection_in_flat_tree.Base()); |
| EXPECT_EQ(selection_in_flat_tree.End(), selection_in_flat_tree.Extent()); |
| EXPECT_EQ(PositionInFlatTree(one, 0), selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(five, 5), selection_in_flat_tree.End()); |
| } |
| |
| // For http://wkb.ug/32622 |
| TEST_F(VisibleSelectionTest, ExpandUsingGranularityWithEmptyCell) { |
| SetBodyContent( |
| "<div contentEditable><table cellspacing=0><tr>" |
| "<td id='first' width='50' height='25pt'></td>" |
| "<td id='second' width='50' height='25pt'></td>" |
| "</tr></table></div>"); |
| Element* const first = GetDocument().getElementById("first"); |
| const VisibleSelectionInFlatTree& selection = |
| CreateVisibleSelectionWithGranularity( |
| SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree(first, 0)) |
| .Build(), |
| TextGranularity::kWord); |
| EXPECT_EQ(PositionInFlatTree(first, 0), selection.Start()); |
| EXPECT_EQ(PositionInFlatTree(first, 0), selection.End()); |
| } |
| |
| TEST_F(VisibleSelectionTest, Initialisation) { |
| SetBodyContent(LOREM_IPSUM); |
| |
| VisibleSelection selection; |
| VisibleSelectionInFlatTree selection_in_flat_tree; |
| SetSelection(selection, 0); |
| SetSelection(selection_in_flat_tree, 0); |
| |
| EXPECT_FALSE(selection.IsNone()); |
| EXPECT_FALSE(selection_in_flat_tree.IsNone()); |
| EXPECT_TRUE(selection.IsCaret()); |
| EXPECT_TRUE(selection_in_flat_tree.IsCaret()); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(0u, range->startOffset()); |
| EXPECT_EQ(0u, range->endOffset()); |
| EXPECT_EQ("", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| |
| const VisibleSelection no_selection = |
| CreateVisibleSelection(SelectionInDOMTree::Builder().Build()); |
| EXPECT_TRUE(no_selection.IsNone()); |
| } |
| |
| TEST_F(VisibleSelectionTest, FirstLetter) { |
| SetBodyContent( |
| "<style>p::first-letter { font-color: red; }</style>" |
| "<p>abc def</p>"); |
| const Element* sample = GetDocument().QuerySelector("p"); |
| const SelectionInDOMTree selection = |
| SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 0)) |
| .Extend(Position(sample->firstChild(), 3)) |
| .Build(); |
| const VisibleSelection visible_selection = CreateVisibleSelection(selection); |
| |
| EXPECT_EQ(selection, visible_selection.AsSelection()); |
| } |
| |
| TEST_F(VisibleSelectionTest, FirstLetterCollapsedWhitespace) { |
| SetBodyContent( |
| "<style>p::first-letter { font-color: red; }</style>" |
| "<p> abc def</p>"); |
| const Element* sample = GetDocument().QuerySelector("p"); |
| const SelectionInDOMTree selection = |
| SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 0)) |
| .Extend(Position(sample->firstChild(), 5)) |
| .Build(); |
| const VisibleSelection visible_selection = CreateVisibleSelection(selection); |
| |
| EXPECT_EQ(SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 2)) |
| .Extend(Position(sample->firstChild(), 5)) |
| .Build(), |
| visible_selection.AsSelection()) |
| << "VisibleSelection doesn't contains collapsed whitespaces"; |
| } |
| |
| TEST_F(VisibleSelectionTest, FirstLetterPartial) { |
| SetBodyContent( |
| "<style>p::first-letter { font-color: red; }</style>" |
| "<p>((a))bc def</p>"); |
| const Element* sample = GetDocument().QuerySelector("p"); |
| const SelectionInDOMTree selection = |
| SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 1)) |
| .Extend(Position(sample->firstChild(), 4)) |
| .Build(); |
| const VisibleSelection visible_selection = CreateVisibleSelection(selection); |
| |
| EXPECT_EQ(selection, visible_selection.AsSelection()) |
| << "Select '(a)' of '((a))"; |
| } |
| |
| TEST_F(VisibleSelectionTest, FirstLetterTextTransform) { |
| SetBodyContent( |
| "<style>p::first-letter { text-transform: uppercase; }</style>" |
| "<p>\u00DFbc def</p>"); // uppercase(U+00DF) = "SS" |
| const Element* sample = GetDocument().QuerySelector("p"); |
| const SelectionInDOMTree selection = |
| SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 0)) |
| .Extend(Position(sample->firstChild(), 3)) |
| .Build(); |
| const VisibleSelection visible_selection = CreateVisibleSelection(selection); |
| |
| EXPECT_EQ(selection, visible_selection.AsSelection()); |
| } |
| |
| TEST_F(VisibleSelectionTest, FirstLetterVisibilityHidden) { |
| SetBodyContent( |
| "<style>p::first-letter { visibility: hidden; }</style>" |
| "<p>abc def</p>"); |
| const Element* sample = GetDocument().QuerySelector("p"); |
| const SelectionInDOMTree selection = |
| SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 0)) |
| .Extend(Position(sample->firstChild(), 3)) |
| .Build(); |
| const VisibleSelection visible_selection = CreateVisibleSelection(selection); |
| |
| EXPECT_EQ(SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 1)) |
| .Extend(Position(sample->firstChild(), 3)) |
| .Build(), |
| visible_selection.AsSelection()) |
| << "Exclude first-letter part since it is visibility::hidden"; |
| } |
| |
| // For http://crbug.com/695317 |
| TEST_F(VisibleSelectionTest, SelectAllWithInputElement) { |
| SetBodyContent("<input>123"); |
| Element* const html_element = GetDocument().documentElement(); |
| Element* const input = GetDocument().QuerySelector("input"); |
| Node* const last_child = GetDocument().body()->lastChild(); |
| |
| const VisibleSelection& visible_selection_in_dom_tree = |
| CreateVisibleSelection( |
| SelectionInDOMTree::Builder() |
| .Collapse(Position::FirstPositionInNode(*html_element)) |
| .Extend(Position::LastPositionInNode(*html_element)) |
| .Build()); |
| EXPECT_EQ(SelectionInDOMTree::Builder() |
| .Collapse(Position::BeforeNode(*input)) |
| .Extend(Position(last_child, 3)) |
| .Build(), |
| visible_selection_in_dom_tree.AsSelection()); |
| |
| const VisibleSelectionInFlatTree& visible_selection_in_flat_tree = |
| CreateVisibleSelection( |
| SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree::FirstPositionInNode(*html_element)) |
| .Extend(PositionInFlatTree::LastPositionInNode(*html_element)) |
| .Build()); |
| EXPECT_EQ(SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree::BeforeNode(*input)) |
| .Extend(PositionInFlatTree(last_child, 3)) |
| .Build(), |
| visible_selection_in_flat_tree.AsSelection()); |
| } |
| |
| TEST_F(VisibleSelectionTest, GetWordSelectionTextWithTextSecurity) { |
| InsertStyleElement("s {-webkit-text-security:disc;}"); |
| // Note: |CreateVisibleSelectionWithGranularity()| considers security |
| // characters as a sequence "x". |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("|abc<s>foo bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("a|bc<s>foo bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc|<s>foo bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>|foo bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>f|oo bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>fo|o bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo| bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo |bar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo b|ar</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo ba|r</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo bar|</s>baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo bar</s>|baz")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo bar</s>b|az")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo bar</s>ba|z")); |
| EXPECT_EQ("^abc<s>foo bar</s>baz|", |
| GetWordSelectionText("abc<s>foo bar</s>baz|")); |
| } |
| |
| TEST_F(VisibleSelectionTest, ShadowCrossing) { |
| const char* body_content = |
| "<p id='host'>00<b id='one'>11</b><b id='two'>22</b>33</p>"; |
| const char* shadow_content = |
| "<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(body_content); |
| ShadowRoot* shadow_root = SetShadowContent(shadow_content, "host"); |
| |
| Element* body = GetDocument().body(); |
| Element* host = body->QuerySelector("#host"); |
| Element* one = body->QuerySelector("#one"); |
| Element* six = shadow_root->QuerySelector("#s6"); |
| |
| VisibleSelection selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder() |
| .Collapse(Position::FirstPositionInNode(*one)) |
| .Extend(Position::LastPositionInNode(*shadow_root)) |
| .Build()); |
| VisibleSelectionInFlatTree selection_in_flat_tree = CreateVisibleSelection( |
| SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree::FirstPositionInNode(*one)) |
| .Extend(PositionInFlatTree::LastPositionInNode(*host)) |
| .Build()); |
| |
| EXPECT_EQ(Position(host, PositionAnchorType::kBeforeAnchor), |
| selection.Start()); |
| EXPECT_EQ(Position(host, PositionAnchorType::kBeforeAnchor), selection.End()); |
| EXPECT_EQ(PositionInFlatTree(one->firstChild(), 0), |
| selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(six->firstChild(), 2), |
| selection_in_flat_tree.End()); |
| } |
| |
| TEST_F(VisibleSelectionTest, ShadowV0DistributedNodes) { |
| const char* body_content = |
| "<p id='host'>00<b id='one'>11</b><b id='two'>22</b>33</p>"; |
| const char* shadow_content = |
| "<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(body_content); |
| ShadowRoot* shadow_root = SetShadowContent(shadow_content, "host"); |
| |
| Element* body = GetDocument().body(); |
| Element* one = body->QuerySelector("#one"); |
| Element* two = body->QuerySelector("#two"); |
| Element* five = shadow_root->QuerySelector("#s5"); |
| |
| VisibleSelection selection = |
| CreateVisibleSelection(SelectionInDOMTree::Builder() |
| .Collapse(Position::FirstPositionInNode(*one)) |
| .Extend(Position::LastPositionInNode(*two)) |
| .Build()); |
| VisibleSelectionInFlatTree selection_in_flat_tree = CreateVisibleSelection( |
| SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree::FirstPositionInNode(*one)) |
| .Extend(PositionInFlatTree::LastPositionInNode(*two)) |
| .Build()); |
| |
| EXPECT_EQ(Position(one->firstChild(), 0), selection.Start()); |
| EXPECT_EQ(Position(two->firstChild(), 2), selection.End()); |
| EXPECT_EQ(PositionInFlatTree(five->firstChild(), 0), |
| selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(five->firstChild(), 2), |
| selection_in_flat_tree.End()); |
| } |
| |
| TEST_F(VisibleSelectionTest, ShadowNested) { |
| const char* body_content = |
| "<p id='host'>00<b id='one'>11</b><b id='two'>22</b>33</p>"; |
| const char* shadow_content = |
| "<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>"; |
| const char* shadow_content2 = |
| "<span id='s7'>77</span><content></content><span id='s8'>88</span>"; |
| SetBodyContent(body_content); |
| ShadowRoot* shadow_root = SetShadowContent(shadow_content, "host"); |
| ShadowRoot* shadow_root2 = CreateShadowRootForElementWithIDAndSetInnerHTML( |
| *shadow_root, "s5", shadow_content2); |
| |
| // Flat tree is something like below: |
| // <p id="host"> |
| // <span id="s4">44</span> |
| // <b id="two">22</b> |
| // <span id="s5"><span id="s7">77>55</span id="s8">88</span> |
| // <b id="one">11</b> |
| // <span id="s6">66</span> |
| // </p> |
| Element* body = GetDocument().body(); |
| Element* host = body->QuerySelector("#host"); |
| Element* one = body->QuerySelector("#one"); |
| Element* eight = shadow_root2->QuerySelector("#s8"); |
| |
| VisibleSelection selection = CreateVisibleSelection( |
| SelectionInDOMTree::Builder() |
| .Collapse(Position::FirstPositionInNode(*one)) |
| .Extend(Position::LastPositionInNode(*shadow_root2)) |
| .Build()); |
| VisibleSelectionInFlatTree selection_in_flat_tree = CreateVisibleSelection( |
| SelectionInFlatTree::Builder() |
| .Collapse(PositionInFlatTree::FirstPositionInNode(*one)) |
| .Extend(PositionInFlatTree::AfterNode(*eight)) |
| .Build()); |
| |
| EXPECT_EQ(Position(host, PositionAnchorType::kBeforeAnchor), |
| selection.Start()); |
| EXPECT_EQ(Position(host, PositionAnchorType::kBeforeAnchor), selection.End()); |
| EXPECT_EQ(PositionInFlatTree(eight->firstChild(), 2), |
| selection_in_flat_tree.Start()); |
| EXPECT_EQ(PositionInFlatTree(eight->firstChild(), 2), |
| selection_in_flat_tree.End()); |
| } |
| |
| TEST_F(VisibleSelectionTest, WordGranularity) { |
| SetBodyContent(LOREM_IPSUM); |
| |
| VisibleSelection selection; |
| VisibleSelectionInFlatTree selection_in_flat_tree; |
| |
| // Beginning of a word. |
| { |
| SetSelection(selection, 0); |
| SetSelection(selection_in_flat_tree, 0); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(0u, range->startOffset()); |
| EXPECT_EQ(5u, range->endOffset()); |
| EXPECT_EQ("Lorem", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // Middle of a word. |
| { |
| SetSelection(selection, 8); |
| SetSelection(selection_in_flat_tree, 8); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(6u, range->startOffset()); |
| EXPECT_EQ(11u, range->endOffset()); |
| EXPECT_EQ("ipsum", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // End of a word. |
| // FIXME: that sounds buggy, we might want to select the word _before_ instead |
| // of the space... |
| { |
| SetSelection(selection, 5); |
| SetSelection(selection_in_flat_tree, 5); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(5u, range->startOffset()); |
| EXPECT_EQ(6u, range->endOffset()); |
| EXPECT_EQ(" ", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // Before comma. |
| // FIXME: that sounds buggy, we might want to select the word _before_ instead |
| // of the comma. |
| { |
| SetSelection(selection, 26); |
| SetSelection(selection_in_flat_tree, 26); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(26u, range->startOffset()); |
| EXPECT_EQ(27u, range->endOffset()); |
| EXPECT_EQ(",", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // After comma. |
| { |
| SetSelection(selection, 27); |
| SetSelection(selection_in_flat_tree, 27); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(27u, range->startOffset()); |
| EXPECT_EQ(28u, range->endOffset()); |
| EXPECT_EQ(" ", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // When selecting part of a word. |
| { |
| SetSelection(selection, 0, 1); |
| SetSelection(selection_in_flat_tree, 0, 1); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(0u, range->startOffset()); |
| EXPECT_EQ(5u, range->endOffset()); |
| EXPECT_EQ("Lorem", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| |
| // When selecting part of two words. |
| { |
| SetSelection(selection, 2, 8); |
| SetSelection(selection_in_flat_tree, 2, 8); |
| selection = ExpandUsingGranularity(selection, TextGranularity::kWord); |
| selection_in_flat_tree = |
| ExpandUsingGranularity(selection_in_flat_tree, TextGranularity::kWord); |
| |
| Range* range = CreateRange(FirstEphemeralRangeOf(selection)); |
| EXPECT_EQ(0u, range->startOffset()); |
| EXPECT_EQ(11u, range->endOffset()); |
| EXPECT_EQ("Lorem ipsum", range->GetText()); |
| TestFlatTreePositionsToEqualToDOMTreePositions(selection, |
| selection_in_flat_tree); |
| } |
| } |
| |
| // This is for crbug.com/627783, simulating restoring selection |
| // in undo stack. |
| TEST_F(VisibleSelectionTest, updateIfNeededWithShadowHost) { |
| SetBodyContent("<div id=host></div><div id=sample>foo</div>"); |
| SetShadowContent("<content>", "host"); |
| Element* sample = GetDocument().getElementById("sample"); |
| |
| // Simulates saving selection in undo stack. |
| VisibleSelection selection = |
| CreateVisibleSelection(SelectionInDOMTree::Builder() |
| .Collapse(Position(sample->firstChild(), 0)) |
| .Build()); |
| EXPECT_EQ(Position(sample->firstChild(), 0), selection.Start()); |
| |
| // Simulates modifying DOM tree to invalidate distribution. |
| Element* host = GetDocument().getElementById("host"); |
| host->AppendChild(sample); |
| GetDocument().UpdateStyleAndLayout(); |
| |
| // Simulates to restore selection from undo stack. |
| selection = CreateVisibleSelection(selection.AsSelection()); |
| EXPECT_EQ(Position(sample->firstChild(), 0), selection.Start()); |
| } |
| |
| } // namespace blink |
