| // Copyright 2016 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 "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/blink/renderer/core/frame/local_frame_view.h" |
| #include "third_party/blink/renderer/core/paint/paint_layer_scrollable_area.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_request.h" |
| #include "third_party/blink/renderer/core/testing/sim/sim_test.h" |
| #include "third_party/blink/renderer/platform/testing/testing_platform_support.h" |
| #include "third_party/blink/renderer/platform/testing/unit_test_helpers.h" |
| #include "third_party/blink/renderer/platform/testing/url_test_helpers.h" |
| |
| namespace blink { |
| |
| namespace { |
| |
| class RotationViewportAnchorTest : public SimTest { |
| public: |
| void SetUp() override { |
| SimTest::SetUp(); |
| WebView().GetSettings()->SetViewportEnabled(true); |
| WebView().GetSettings()->SetMainFrameResizesAreOrientationChanges(true); |
| } |
| }; |
| |
| TEST_F(RotationViewportAnchorTest, SimpleAbsolutePosition) { |
| WebView().MainFrameWidget()->Resize(WebSize(400, 600)); |
| SimRequest request("https://example.com/test.html", "text/html"); |
| LoadURL("https://example.com/test.html"); |
| request.Complete(R"HTML( |
| <!DOCTYPE html> |
| <style> |
| body { |
| width: 10000px; |
| height: 10000px; |
| margin: 0px; |
| } |
| |
| #target { |
| width: 100px; |
| height: 100px; |
| position: absolute; |
| left: 3000px; |
| top: 4000px; |
| } |
| </style> |
| <div id="target"></div> |
| )HTML"); |
| Compositor().BeginFrame(); |
| |
| Document& document = GetDocument(); |
| ScrollableArea* layout_viewport = document.View()->LayoutViewport(); |
| |
| // Place the target at the top-center of the viewport. This is where the |
| // rotation anchor finds the node to anchor to. |
| layout_viewport->SetScrollOffset(ScrollOffset(3050 - 200, 4050), |
| kProgrammaticScroll); |
| |
| WebView().MainFrameWidget()->Resize(WebSize(600, 400)); |
| Compositor().BeginFrame(); |
| |
| EXPECT_EQ(3050 - 200, layout_viewport->GetScrollOffset().Width()); |
| EXPECT_EQ(4050, layout_viewport->GetScrollOffset().Height()); |
| } |
| |
| TEST_F(RotationViewportAnchorTest, PositionRelativeToViewportSize) { |
| WebView().MainFrameWidget()->Resize(WebSize(100, 600)); |
| SimRequest request("https://example.com/test.html", "text/html"); |
| LoadURL("https://example.com/test.html"); |
| request.Complete(R"HTML( |
| <!DOCTYPE html> |
| <style> |
| body { |
| width: 10000px; |
| height: 10000px; |
| margin: 0px; |
| } |
| |
| #target { |
| width: 50px; |
| height: 50px; |
| position: absolute; |
| left: 500%; |
| top: 500%; |
| } |
| </style> |
| <div id="target"></div> |
| )HTML"); |
| Compositor().BeginFrame(); |
| |
| Document& document = GetDocument(); |
| ScrollableArea* layout_viewport = document.View()->LayoutViewport(); |
| |
| IntPoint target_position(5 * WebView().MainFrameWidget()->Size().width, |
| 5 * WebView().MainFrameWidget()->Size().height); |
| |
| // Place the target at the top-center of the viewport. This is where the |
| // rotation anchor finds the node to anchor to. |
| layout_viewport->SetScrollOffset( |
| ScrollOffset(target_position.X() - |
| WebView().MainFrameWidget()->Size().width / 2 + 25, |
| target_position.Y()), |
| kProgrammaticScroll); |
| |
| WebView().MainFrameWidget()->Resize(WebSize(600, 100)); |
| Compositor().BeginFrame(); |
| |
| target_position = IntPoint(5 * WebView().MainFrameWidget()->Size().width, |
| 5 * WebView().MainFrameWidget()->Size().height); |
| |
| IntPoint expected_offset( |
| target_position.X() - WebView().MainFrameWidget()->Size().width / 2 + 25, |
| target_position.Y()); |
| |
| EXPECT_EQ(expected_offset.X(), layout_viewport->GetScrollOffset().Width()); |
| EXPECT_EQ(expected_offset.Y(), layout_viewport->GetScrollOffset().Height()); |
| } |
| |
| } // namespace |
| |
| } // namespace blink |
