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// Copyright 2015 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/input/EventHandler.h"
#include "core/dom/Document.h"
#include "core/dom/Range.h"
#include "core/editing/Editor.h"
#include "core/editing/FrameSelection.h"
#include "core/frame/FrameView.h"
#include "core/frame/LocalFrame.h"
#include "core/frame/Settings.h"
#include "core/page/AutoscrollController.h"
#include "core/page/Page.h"
#include "core/testing/DummyPageHolder.h"
#include "platform/PlatformMouseEvent.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <memory>
namespace blink {
class EventHandlerTest : public ::testing::Test {
protected:
void SetUp() override;
Page& page() const { return m_dummyPageHolder->page(); }
Document& document() const { return m_dummyPageHolder->document(); }
void setHtmlInnerHTML(const char* htmlContent);
private:
std::unique_ptr<DummyPageHolder> m_dummyPageHolder;
};
class TapEventBuilder : public WebGestureEvent {
public:
TapEventBuilder(IntPoint position, int tapCount)
: WebGestureEvent(WebInputEvent::GestureTap,
WebInputEvent::NoModifiers,
TimeTicks::Now().InSeconds()) {
x = globalX = position.x();
y = globalY = position.y();
sourceDevice = WebGestureDeviceTouchscreen;
data.tap.tapCount = tapCount;
data.tap.width = 5;
data.tap.height = 5;
m_frameScale = 1;
}
};
void EventHandlerTest::SetUp() {
m_dummyPageHolder = DummyPageHolder::create(IntSize(300, 400));
}
void EventHandlerTest::setHtmlInnerHTML(const char* htmlContent) {
document().documentElement()->setInnerHTML(String::fromUTF8(htmlContent));
document().view()->updateAllLifecyclePhases();
}
TEST_F(EventHandlerTest, dragSelectionAfterScroll) {
setHtmlInnerHTML(
"<style> body { margin: 0px; } .upper { width: 300px; height: 400px; }"
".lower { margin: 0px; width: 300px; height: 400px; } .line { display: "
"block; width: 300px; height: 30px; } </style>"
"<div class='upper'></div>"
"<div class='lower'>"
"<span class='line'>Line 1</span><span class='line'>Line 2</span><span "
"class='line'>Line 3</span><span class='line'>Line 4</span><span "
"class='line'>Line 5</span>"
"<span class='line'>Line 6</span><span class='line'>Line 7</span><span "
"class='line'>Line 8</span><span class='line'>Line 9</span><span "
"class='line'>Line 10</span>"
"</div>");
FrameView* frameView = document().view();
frameView->layoutViewportScrollableArea()->setScrollOffset(
ScrollOffset(0, 400), ProgrammaticScroll);
PlatformMouseEvent mouseDownEvent(
IntPoint(0, 0), IntPoint(100, 200), WebPointerProperties::Button::Left,
PlatformEvent::MousePressed, 1, PlatformEvent::Modifiers::LeftButtonDown,
TimeTicks::Now());
document().frame()->eventHandler().handleMousePressEvent(mouseDownEvent);
PlatformMouseEvent mouseMoveEvent(
IntPoint(100, 50), IntPoint(200, 250), WebPointerProperties::Button::Left,
PlatformEvent::MouseMoved, 1, PlatformEvent::Modifiers::LeftButtonDown,
TimeTicks::Now());
document().frame()->eventHandler().handleMouseMoveEvent(
mouseMoveEvent, Vector<PlatformMouseEvent>());
page().autoscrollController().animate(WTF::monotonicallyIncreasingTime());
page().animator().serviceScriptedAnimations(
WTF::monotonicallyIncreasingTime());
PlatformMouseEvent mouseUpEvent(
IntPoint(100, 50), IntPoint(200, 250), WebPointerProperties::Button::Left,
PlatformEvent::MouseReleased, 1, static_cast<PlatformEvent::Modifiers>(0),
TimeTicks::Now());
document().frame()->eventHandler().handleMouseReleaseEvent(mouseUpEvent);
FrameSelection& selection = document().frame()->selection();
ASSERT_TRUE(selection.isRange());
Range* range =
createRange(selection.selection().toNormalizedEphemeralRange());
ASSERT_TRUE(range);
EXPECT_EQ("Line 1\nLine 2", range->text());
}
TEST_F(EventHandlerTest, multiClickSelectionFromTap) {
setHtmlInnerHTML(
"<style> body { margin: 0px; } .line { display: block; width: 300px; "
"height: 30px; } </style>"
"<body contenteditable='true'><span class='line' id='line'>One Two "
"Three</span></body>");
FrameSelection& selection = document().frame()->selection();
Node* line = document().getElementById("line")->firstChild();
TapEventBuilder singleTapEvent(IntPoint(0, 0), 1);
document().frame()->eventHandler().handleGestureEvent(singleTapEvent);
ASSERT_TRUE(selection.isCaret());
EXPECT_EQ(Position(line, 0), selection.start());
// Multi-tap events on editable elements should trigger selection, just
// like multi-click events.
TapEventBuilder doubleTapEvent(IntPoint(0, 0), 2);
document().frame()->eventHandler().handleGestureEvent(doubleTapEvent);
ASSERT_TRUE(selection.isRange());
EXPECT_EQ(Position(line, 0), selection.start());
if (document().frame()->editor().isSelectTrailingWhitespaceEnabled()) {
EXPECT_EQ(Position(line, 4), selection.end());
EXPECT_EQ("One ", WebString(selection.selectedText()).utf8());
} else {
EXPECT_EQ(Position(line, 3), selection.end());
EXPECT_EQ("One", WebString(selection.selectedText()).utf8());
}
TapEventBuilder tripleTapEvent(IntPoint(0, 0), 3);
document().frame()->eventHandler().handleGestureEvent(tripleTapEvent);
ASSERT_TRUE(selection.isRange());
EXPECT_EQ(Position(line, 0), selection.start());
EXPECT_EQ(Position(line, 13), selection.end());
EXPECT_EQ("One Two Three", WebString(selection.selectedText()).utf8());
}
TEST_F(EventHandlerTest, multiClickSelectionFromTapDisabledIfNotEditable) {
setHtmlInnerHTML(
"<style> body { margin: 0px; } .line { display: block; width: 300px; "
"height: 30px; } </style>"
"<span class='line' id='line'>One Two Three</span>");
FrameSelection& selection = document().frame()->selection();
Node* line = document().getElementById("line")->firstChild();
TapEventBuilder singleTapEvent(IntPoint(0, 0), 1);
document().frame()->eventHandler().handleGestureEvent(singleTapEvent);
ASSERT_TRUE(selection.isCaret());
EXPECT_EQ(Position(line, 0), selection.start());
// As the text is readonly, multi-tap events should not trigger selection.
TapEventBuilder doubleTapEvent(IntPoint(0, 0), 2);
document().frame()->eventHandler().handleGestureEvent(doubleTapEvent);
ASSERT_TRUE(selection.isCaret());
EXPECT_EQ(Position(line, 0), selection.start());
TapEventBuilder tripleTapEvent(IntPoint(0, 0), 3);
document().frame()->eventHandler().handleGestureEvent(tripleTapEvent);
ASSERT_TRUE(selection.isCaret());
EXPECT_EQ(Position(line, 0), selection.start());
}
TEST_F(EventHandlerTest, draggedInlinePositionTest) {
setHtmlInnerHTML(
"<style>"
"body { margin: 0px; }"
".line { font-family: sans-serif; background: blue; width: 300px; "
"height: 30px; font-size: 40px; margin-left: 250px; }"
"</style>"
"<div style='width: 300px; height: 100px;'>"
"<span class='line' draggable='true'>abcd</span>"
"</div>");
PlatformMouseEvent mouseDownEvent(
IntPoint(262, 29), IntPoint(329, 67), WebPointerProperties::Button::Left,
PlatformEvent::MousePressed, 1, PlatformEvent::Modifiers::LeftButtonDown,
TimeTicks::Now());
document().frame()->eventHandler().handleMousePressEvent(mouseDownEvent);
PlatformMouseEvent mouseMoveEvent(
IntPoint(618, 298), IntPoint(685, 436),
WebPointerProperties::Button::Left, PlatformEvent::MouseMoved, 1,
PlatformEvent::Modifiers::LeftButtonDown, TimeTicks::Now());
document().frame()->eventHandler().handleMouseMoveEvent(
mouseMoveEvent, Vector<PlatformMouseEvent>());
EXPECT_EQ(
IntPoint(12, 29),
document().frame()->eventHandler().dragDataTransferLocationForTesting());
}
TEST_F(EventHandlerTest, draggedSVGImagePositionTest) {
setHtmlInnerHTML(
"<style>"
"body { margin: 0px; }"
"[draggable] {"
"-webkit-user-select: none; user-select: none; -webkit-user-drag: "
"element; }"
"</style>"
"<div style='width: 300px; height: 100px;'>"
"<svg width='500' height='500'>"
"<rect x='100' y='100' width='100px' height='100px' fill='blue' "
"draggable='true'/>"
"</svg>"
"</div>");
PlatformMouseEvent mouseDownEvent(
IntPoint(145, 144), IntPoint(212, 282),
WebPointerProperties::Button::Left, PlatformEvent::MousePressed, 1,
PlatformEvent::Modifiers::LeftButtonDown, TimeTicks::Now());
document().frame()->eventHandler().handleMousePressEvent(mouseDownEvent);
PlatformMouseEvent mouseMoveEvent(
IntPoint(618, 298), IntPoint(685, 436),
WebPointerProperties::Button::Left, PlatformEvent::MouseMoved, 1,
PlatformEvent::Modifiers::LeftButtonDown, TimeTicks::Now());
document().frame()->eventHandler().handleMouseMoveEvent(
mouseMoveEvent, Vector<PlatformMouseEvent>());
EXPECT_EQ(
IntPoint(45, 44),
document().frame()->eventHandler().dragDataTransferLocationForTesting());
}
// Regression test for http://crbug.com/641403 to verify we use up-to-date
// layout tree for dispatching "contextmenu" event.
TEST_F(EventHandlerTest, sendContextMenuEventWithHover) {
setHtmlInnerHTML(
"<style>*:hover { color: red; }</style>"
"<div>foo</div>");
document().settings()->setScriptEnabled(true);
Element* script = document().createElement("script");
script->setInnerHTML(
"document.addEventListener('contextmenu', event => "
"event.preventDefault());");
document().body()->appendChild(script);
document().updateStyleAndLayout();
document().frame()->selection().setSelection(
SelectionInDOMTree::Builder()
.collapse(Position(document().body(), 0))
.build());
PlatformMouseEvent mouseDownEvent(
IntPoint(0, 0), IntPoint(100, 200), WebPointerProperties::Button::Right,
PlatformEvent::MousePressed, 1, PlatformEvent::Modifiers::RightButtonDown,
TimeTicks::Now());
EXPECT_EQ(
WebInputEventResult::HandledApplication,
document().frame()->eventHandler().sendContextMenuEvent(mouseDownEvent));
}
} // namespace blink
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