| // Copyright 2018 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 "base/feature_list.h" |
| #include "build/build_config.h" |
| #include "content/browser/web_contents/web_contents_impl.h" |
| #include "content/public/test/browser_test_utils.h" |
| #include "content/public/test/content_browser_test.h" |
| #include "content/public/test/content_browser_test_utils.h" |
| #include "content/shell/browser/shell.h" |
| #include "third_party/blink/public/platform/web_input_event.h" |
| #include "ui/events/base_event_utils.h" |
| |
| using blink::WebInputEvent; |
| |
| namespace { |
| |
| const std::string kAutoscrollDataURL = R"HTML( |
| <!DOCTYPE html> |
| <meta name='viewport' content='width=device-width'/> |
| <style> |
| html, body { |
| margin: 0; |
| } |
| .spacer { height: 10000px; } |
| </style> |
| <div class=spacer></div> |
| <script> |
| document.title='ready'; |
| </script>)HTML"; |
| } // namespace |
| |
| namespace content { |
| |
| class AutoscrollBrowserTest : public ContentBrowserTest { |
| public: |
| AutoscrollBrowserTest() {} |
| ~AutoscrollBrowserTest() override {} |
| |
| void SetUpCommandLine(base::CommandLine* command_line) override { |
| command_line->AppendSwitchASCII("--enable-blink-features", |
| "MiddleClickAutoscroll"); |
| } |
| |
| protected: |
| RenderWidgetHostImpl* GetWidgetHost() { |
| return RenderWidgetHostImpl::From( |
| shell()->web_contents()->GetRenderViewHost()->GetWidget()); |
| } |
| |
| void LoadURL(const std::string& page_data) { |
| const GURL data_url("data:text/html," + page_data); |
| NavigateToURL(shell(), data_url); |
| |
| RenderWidgetHostImpl* host = GetWidgetHost(); |
| host->GetView()->SetSize(gfx::Size(400, 400)); |
| |
| base::string16 ready_title(base::ASCIIToUTF16("ready")); |
| TitleWatcher watcher(shell()->web_contents(), ready_title); |
| ignore_result(watcher.WaitAndGetTitle()); |
| |
| MainThreadFrameObserver main_thread_sync(host); |
| main_thread_sync.Wait(); |
| } |
| |
| void SimulateMiddleClick(int x, int y, int modifiers) { |
| // Simulate and send middle click mouse down. |
| blink::WebMouseEvent down_event = SyntheticWebMouseEventBuilder::Build( |
| blink::WebInputEvent::kMouseDown, x, y, modifiers); |
| down_event.button = blink::WebMouseEvent::Button::kMiddle; |
| down_event.SetTimeStamp(ui::EventTimeForNow()); |
| down_event.SetPositionInScreen(x, y); |
| GetWidgetHost()->ForwardMouseEvent(down_event); |
| |
| // Simulate and send middle click mouse up. |
| blink::WebMouseEvent up_event = SyntheticWebMouseEventBuilder::Build( |
| blink::WebInputEvent::kMouseUp, x, y, modifiers); |
| up_event.button = blink::WebMouseEvent::Button::kMiddle; |
| up_event.SetTimeStamp(ui::EventTimeForNow()); |
| up_event.SetPositionInScreen(x, y); |
| GetWidgetHost()->ForwardMouseEvent(up_event); |
| } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(AutoscrollBrowserTest); |
| }; |
| |
| // TODO(sahel): This test is flaky https://crbug.com/838769 |
| IN_PROC_BROWSER_TEST_F(AutoscrollBrowserTest, DISABLED_AutoscrollFling) { |
| LoadURL(kAutoscrollDataURL); |
| |
| // Start autoscroll with middle click. |
| auto input_msg_watcher = std::make_unique<InputMsgWatcher>( |
| GetWidgetHost(), blink::WebInputEvent::kGestureScrollBegin); |
| SimulateMiddleClick(10, 10, blink::WebInputEvent::kNoModifiers); |
| input_msg_watcher->WaitForAck(); |
| |
| // The page should start scrolling with mouse move. |
| RenderFrameSubmissionObserver observer( |
| GetWidgetHost()->render_frame_metadata_provider()); |
| blink::WebMouseEvent move_event = SyntheticWebMouseEventBuilder::Build( |
| blink::WebInputEvent::kMouseMove, 30, 30, |
| blink::WebInputEvent::kNoModifiers); |
| move_event.SetTimeStamp(ui::EventTimeForNow()); |
| move_event.SetPositionInScreen(30, 30); |
| GetWidgetHost()->ForwardMouseEvent(move_event); |
| gfx::Vector2dF default_scroll_offset; |
| while (observer.LastRenderFrameMetadata() |
| .root_scroll_offset.value_or(default_scroll_offset) |
| .y() <= 0) { |
| observer.WaitForMetadataChange(); |
| } |
| } |
| |
| #if !defined(OS_ANDROID) |
| #define MAYBE_WheelScrollingWorksAfterAutoscrollCancel \ |
| WheelScrollingWorksAfterAutoscrollCancel |
| #else |
| #define MAYBE_WheelScrollingWorksAfterAutoscrollCancel \ |
| DISABLED_WheelScrollingWorksAfterAutoscrollCancel |
| #endif |
| // Checks that wheel scrolling works after autoscroll cancelation. |
| IN_PROC_BROWSER_TEST_F(AutoscrollBrowserTest, |
| MAYBE_WheelScrollingWorksAfterAutoscrollCancel) { |
| LoadURL(kAutoscrollDataURL); |
| |
| // Start autoscroll with middle click. |
| auto input_msg_watcher = std::make_unique<InputMsgWatcher>( |
| GetWidgetHost(), blink::WebInputEvent::kGestureScrollBegin); |
| SimulateMiddleClick(10, 10, blink::WebInputEvent::kNoModifiers); |
| input_msg_watcher->WaitForAck(); |
| |
| // Without moving the mouse cancel the autoscroll fling with another click. |
| input_msg_watcher = std::make_unique<InputMsgWatcher>( |
| GetWidgetHost(), blink::WebInputEvent::kGestureScrollEnd); |
| SimulateMiddleClick(10, 10, blink::WebInputEvent::kNoModifiers); |
| input_msg_watcher->WaitForAck(); |
| |
| // The mouse wheel scrolling must work after autoscroll cancellation. |
| RenderFrameSubmissionObserver observer( |
| GetWidgetHost()->render_frame_metadata_provider()); |
| blink::WebMouseWheelEvent wheel_event = |
| SyntheticWebMouseWheelEventBuilder::Build(10, 10, 0, -53, 0, true); |
| wheel_event.phase = blink::WebMouseWheelEvent::kPhaseBegan; |
| GetWidgetHost()->ForwardWheelEvent(wheel_event); |
| gfx::Vector2dF default_scroll_offset; |
| while (observer.LastRenderFrameMetadata() |
| .root_scroll_offset.value_or(default_scroll_offset) |
| .y() <= 0) { |
| observer.WaitForMetadataChange(); |
| } |
| } |
| |
| } // namespace content |
