Make window.scroll properties relative to the layout viewport by default.

third_party/WebKit/Source/web/tests/VisualViewportTest.cpp

 // 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 "config.h"
 
 #include "core/frame/VisualViewport.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/FrameHost.h"
@@ skipping 1101 matching lines @@
     Mock::VerifyAndClearExpectations(&mockWebFrameClient);
 
     // Scroll horizontally.
     EXPECT_CALL(mockWebFrameClient, didChangeScrollOffset(_));
     visualViewport.setLocation(FloatPoint(70, 90));
 
     // Reset the old client so destruction can occur naturally.
     webViewImpl()->mainFrameImpl()->setClient(oldClient);
 }
 
-// Tests that calling scroll into view on a visible element doesn cause
-// a scroll due to a fractional offset. Bug crbug.com/463356.
-TEST_P(ParameterizedVisualViewportTest, ScrollIntoViewFractionalOffset)
-{
-    initializeWithAndroidSettings();
-
-    webViewImpl()->resize(IntSize(1000, 1000));
-
-    registerMockedHttpURLLoad("scroll-into-view.html");
-    navigateTo(m_baseURL + "scroll-into-view.html");
-
-    FrameView& frameView = *webViewImpl()->mainFrameImpl()->frameView();
-    ScrollableArea* layoutViewportScrollableArea = frameView.layoutViewportScrollableArea();
-    VisualViewport& visualViewport = frame()->page()->frameHost().visualViewport();
-    Element* inputBox = frame()->document()->getElementById("box");
-
-    webViewImpl()->setPageScaleFactor(2);
-
-    // The element is already in the view so the scrollIntoView shouldn't move
-    // the viewport at all.
-    webViewImpl()->setVisualViewportOffset(WebFloatPoint(250.25f, 100.25f));
-    layoutViewportScrollableArea->setScrollPosition(DoublePoint(0, 900.75), ProgrammaticScroll);
-    inputBox->scrollIntoViewIfNeeded(false);
-
-    EXPECT_POINT_EQ(DoublePoint(0, 900.75), layoutViewportScrollableArea->scrollPositionDouble());
-    EXPECT_POINT_EQ(FloatPoint(250.25f, 100.25f), visualViewport.location());
-
-    // Change the fractional part of the frameview to one that would round down.
-    layoutViewportScrollableArea->setScrollPosition(DoublePoint(0, 900.125), ProgrammaticScroll);
-    inputBox->scrollIntoViewIfNeeded(false);
-
-    EXPECT_POINT_EQ(DoublePoint(0, 900.125), layoutViewportScrollableArea->scrollPositionDouble());
-    EXPECT_POINT_EQ(FloatPoint(250.25f, 100.25f), visualViewport.location());
-
-    // Repeat both tests above with the visual viewport at a high fractional.
-    webViewImpl()->setVisualViewportOffset(WebFloatPoint(250.875f, 100.875f));
-    layoutViewportScrollableArea->setScrollPosition(DoublePoint(0, 900.75), ProgrammaticScroll);
-    inputBox->scrollIntoViewIfNeeded(false);
-
-    EXPECT_POINT_EQ(DoublePoint(0, 900.75), layoutViewportScrollableArea->scrollPositionDouble());
-    EXPECT_POINT_EQ(FloatPoint(250.875f, 100.875f), visualViewport.location());
-
-    // Change the fractional part of the frameview to one that would round down.
-    layoutViewportScrollableArea->setScrollPosition(DoublePoint(0, 900.125), ProgrammaticScroll);
-    inputBox->scrollIntoViewIfNeeded(false);
-
-    EXPECT_POINT_EQ(DoublePoint(0, 900.125), layoutViewportScrollableArea->scrollPositionDouble());
-    EXPECT_POINT_EQ(FloatPoint(250.875f, 100.875f), visualViewport.location());
-
-    // Both viewports with a 0.5 fraction.
-    webViewImpl()->setVisualViewportOffset(WebFloatPoint(250.5f, 100.5f));
-    layoutViewportScrollableArea->setScrollPosition(DoublePoint(0, 900.5), ProgrammaticScroll);
-    inputBox->scrollIntoViewIfNeeded(false);
-
-    EXPECT_POINT_EQ(DoublePoint(0, 900.5), layoutViewportScrollableArea->scrollPositionDouble());
-    EXPECT_POINT_EQ(FloatPoint(250.5f, 100.5f), visualViewport.location());
-}
-
 // Top controls can make an unscrollable page temporarily scrollable, causing
 // a scroll clamp when the page is resized. Make sure this bug is fixed.
 // crbug.com/437620
 TEST_F(VisualViewportTest, TestResizeDoesntChangeScrollOffset)
 {
     initializeWithAndroidSettings();
     webViewImpl()->resize(IntSize(980, 650));
 
     navigateTo("about:blank");
 
@@ skipping 272 matching lines @@
     visualViewport.setScale(2);
     visualViewport.setLocation(scrollDelta);
 
     IntRect boundsInViewport = inputElement->boundsInViewportSpace();
 
     EXPECT_POINT_EQ(IntPoint(bounds.location() - scrollDelta),
         boundsInViewport.location());
     EXPECT_SIZE_EQ(bounds.size(), boundsInViewport.size());
 }
 
-// Test that the various window.scroll and document.body.scroll properties and
-// methods work unchanged from the pre-virtual viewport mode.
-TEST_P(ParameterizedVisualViewportTest, bodyAndWindowScrollPropertiesAccountForViewport)
-{
-    initializeWithAndroidSettings();
-
-    webViewImpl()->resize(IntSize(200, 300));
-
-    // Load page with no main frame scrolling.
-    registerMockedHttpURLLoad("200-by-300-viewport.html");
-    navigateTo(m_baseURL + "200-by-300-viewport.html");
-
-    VisualViewport& visualViewport = frame()->page()->frameHost().visualViewport();
-    visualViewport.setScale(2);
-
-    // Chrome's quirky behavior regarding viewport scrolling means we treat the
-    // body element as the viewport and don't apply scrolling to the HTML
-    // element.
-    RuntimeEnabledFeatures::setScrollTopLeftInteropEnabled(false);
-
-    LocalDOMWindow* window = webViewImpl()->mainFrameImpl()->frame()->localDOMWindow();
-    window->scrollTo(100, 150);
-    EXPECT_EQ(100, window->scrollX());
-    EXPECT_EQ(150, window->scrollY());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(100, 150), visualViewport.location());
-
-    HTMLElement* body = toHTMLBodyElement(window->document()->body());
-    body->setScrollLeft(50);
-    body->setScrollTop(130);
-    EXPECT_EQ(50, body->scrollLeft());
-    EXPECT_EQ(130, body->scrollTop());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(50, 130), visualViewport.location());
-
-    HTMLElement* documentElement = toHTMLElement(window->document()->documentElement());
-    documentElement->setScrollLeft(40);
-    documentElement->setScrollTop(50);
-    EXPECT_EQ(0, documentElement->scrollLeft());
-    EXPECT_EQ(0, documentElement->scrollTop());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(50, 130), visualViewport.location());
-
-    visualViewport.setLocation(FloatPoint(10, 20));
-    EXPECT_EQ(10, body->scrollLeft());
-    EXPECT_EQ(20, body->scrollTop());
-    EXPECT_EQ(0, documentElement->scrollLeft());
-    EXPECT_EQ(0, documentElement->scrollTop());
-    EXPECT_EQ(10, window->scrollX());
-    EXPECT_EQ(20, window->scrollY());
-
-    // Turning on the standards-compliant viewport scrolling impl should make
-    // the document element the viewport and not body.
-    RuntimeEnabledFeatures::setScrollTopLeftInteropEnabled(true);
-
-    window->scrollTo(100, 150);
-    EXPECT_EQ(100, window->scrollX());
-    EXPECT_EQ(150, window->scrollY());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(100, 150), visualViewport.location());
-
-    body->setScrollLeft(50);
-    body->setScrollTop(130);
-    EXPECT_EQ(0, body->scrollLeft());
-    EXPECT_EQ(0, body->scrollTop());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(100, 150), visualViewport.location());
-
-    documentElement->setScrollLeft(40);
-    documentElement->setScrollTop(50);
-    EXPECT_EQ(40, documentElement->scrollLeft());
-    EXPECT_EQ(50, documentElement->scrollTop());
-    EXPECT_FLOAT_POINT_EQ(FloatPoint(40, 50), visualViewport.location());
-
-    visualViewport.setLocation(FloatPoint(10, 20));
-    EXPECT_EQ(0, body->scrollLeft());
-    EXPECT_EQ(0, body->scrollTop());
-    EXPECT_EQ(10, documentElement->scrollLeft());
-    EXPECT_EQ(20, documentElement->scrollTop());
-    EXPECT_EQ(10, window->scrollX());
-    EXPECT_EQ(20, window->scrollY());
-}
-
 // Tests that when a new frame is created, it is created with the intended
 // size (i.e. viewport at minimum scale, 100x200 / 0.5).
 TEST_P(ParameterizedVisualViewportTest, TestMainFrameInitializationSizing)
 {
     initializeWithAndroidSettings();
 
     webViewImpl()->resize(IntSize(100, 200));
 
     registerMockedHttpURLLoad("content-width-1000-min-scale.html");
     navigateTo(m_baseURL + "content-width-1000-min-scale.html");
@@ skipping 188 matching lines @@
     webViewImpl()->handleInputEvent(pinchUpdate);
 
     VisualViewport& visualViewport = webViewImpl()->page()->frameHost().visualViewport();
     FrameView& frameView = *webViewImpl()->mainFrameImpl()->frameView();
 
     EXPECT_FLOAT_POINT_EQ(FloatPoint(50, 50), visualViewport.location());
     EXPECT_FLOAT_POINT_EQ(FloatPoint(0, 0), frameView.scrollPositionDouble());
 }
 
 } // namespace