Add rails to input wheel events.

Source/web/tests/WebInputEventConversionTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 810 matching lines @@
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(baseURL + fileName, true);
     int pageWidth = 640;
     int pageHeight = 480;
     webViewImpl->resize(WebSize(pageWidth, pageHeight));
     webViewImpl->layout();
 
     RefPtrWillBeRawPtr<Document> document = toLocalFrame(webViewImpl->page()->mainFrame())->document();
     RefPtrWillBeRawPtr<WheelEvent> event = WheelEvent::create(FloatPoint(1, 3), FloatPoint(5, 10),
         WheelEvent::DOM_DELTA_PAGE, document.get()->domWindow(),  IntPoint(2, 6), IntPoint(10, 30),
-        true, false, false, false, 0, true, true);
+        true, false, false, false, 0, true, true, Event::RailsModeHorizontal);
     WebMouseWheelEventBuilder webMouseWheel(toLocalFrame(webViewImpl->page()->mainFrame())->view(), document.get()->layoutView(), *event);
     EXPECT_EQ(1, webMouseWheel.wheelTicksX);
     EXPECT_EQ(3, webMouseWheel.wheelTicksY);
     EXPECT_EQ(5, webMouseWheel.deltaX);
     EXPECT_EQ(10, webMouseWheel.deltaY);
     EXPECT_EQ(2, webMouseWheel.globalX);
     EXPECT_EQ(6, webMouseWheel.globalY);
     EXPECT_EQ(10, webMouseWheel.windowX);
     EXPECT_EQ(30, webMouseWheel.windowY);
     EXPECT_TRUE(webMouseWheel.scrollByPage);
     EXPECT_EQ(WebInputEvent::ControlKey, webMouseWheel.modifiers);
     EXPECT_TRUE(webMouseWheel.canScroll);
+    EXPECT_EQ(WebInputEvent::RailsModeHorizontal, webMouseWheel.railsMode);
 }
 
 TEST(WebInputEventConversionTest, PlatformWheelEventBuilder)
 {
     const std::string baseURL("http://www.test6.com/");
     const std::string fileName("fixed_layout.html");
 
     URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8("fixed_layout.html"));
     FrameTestHelpers::WebViewHelper webViewHelper;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(baseURL + fileName, true);
     int pageWidth = 640;
     int pageHeight = 480;
     webViewImpl->resize(WebSize(pageWidth, pageHeight));
     webViewImpl->layout();
 
     FrameView* view = toLocalFrame(webViewImpl->page()->mainFrame())->view();
 
     {
         WebMouseWheelEvent webMouseWheelEvent;
         webMouseWheelEvent.type = WebInputEvent::MouseWheel;
         webMouseWheelEvent.x = 0;
         webMouseWheelEvent.y = 5;
         webMouseWheelEvent.deltaX = 10;
         webMouseWheelEvent.deltaY = 15;
         webMouseWheelEvent.modifiers = WebInputEvent::ControlKey;
         webMouseWheelEvent.hasPreciseScrollingDeltas = true;
         webMouseWheelEvent.canScroll = true;
+        webMouseWheelEvent.railsMode = WebInputEvent::RailsModeHorizontal;
 
         PlatformWheelEventBuilder platformWheelBuilder(view, webMouseWheelEvent);
         EXPECT_EQ(0, platformWheelBuilder.position().x());
         EXPECT_EQ(5, platformWheelBuilder.position().y());
         EXPECT_EQ(10, platformWheelBuilder.deltaX());
         EXPECT_EQ(15, platformWheelBuilder.deltaY());
-        EXPECT_EQ(WebInputEvent::ControlKey, platformWheelBuilder.modifiers());
+        EXPECT_EQ(PlatformEvent::CtrlKey, platformWheelBuilder.modifiers());
         EXPECT_TRUE(platformWheelBuilder.hasPreciseScrollingDeltas());
         EXPECT_TRUE(platformWheelBuilder.canScroll());
+        EXPECT_EQ(platformWheelBuilder.railsMode(), PlatformEvent::RailsModeHorizontal);
+    }
+
+    {
+        WebMouseWheelEvent webMouseWheelEvent;
+        webMouseWheelEvent.type = WebInputEvent::MouseWheel;
+        webMouseWheelEvent.x = 5;
+        webMouseWheelEvent.y = 0;
+        webMouseWheelEvent.deltaX = 15;
+        webMouseWheelEvent.deltaY = 10;
+        webMouseWheelEvent.modifiers = WebInputEvent::ShiftKey;
+        webMouseWheelEvent.hasPreciseScrollingDeltas = false;
+        webMouseWheelEvent.canScroll = false;
+        webMouseWheelEvent.railsMode = WebInputEvent::RailsModeFree;
+
+        PlatformWheelEventBuilder platformWheelBuilder(view, webMouseWheelEvent);
+        EXPECT_EQ(5, platformWheelBuilder.position().x());
+        EXPECT_EQ(0, platformWheelBuilder.position().y());
+        EXPECT_EQ(15, platformWheelBuilder.deltaX());
+        EXPECT_EQ(10, platformWheelBuilder.deltaY());
+        EXPECT_EQ(PlatformEvent::ShiftKey, platformWheelBuilder.modifiers());
+        EXPECT_FALSE(platformWheelBuilder.hasPreciseScrollingDeltas());
+        EXPECT_FALSE(platformWheelBuilder.canScroll());
+        EXPECT_EQ(platformWheelBuilder.railsMode(), PlatformEvent::RailsModeFree);
+    }
+
+    {
+        WebMouseWheelEvent webMouseWheelEvent;
+        webMouseWheelEvent.type = WebInputEvent::MouseWheel;
+        webMouseWheelEvent.x = 5;
+        webMouseWheelEvent.y = 0;
+        webMouseWheelEvent.deltaX = 15;
+        webMouseWheelEvent.deltaY = 10;
+        webMouseWheelEvent.modifiers = WebInputEvent::AltKey;
+        webMouseWheelEvent.hasPreciseScrollingDeltas = true;
+        webMouseWheelEvent.canScroll = false;
+        webMouseWheelEvent.railsMode = WebInputEvent::RailsModeVertical;
+
+        PlatformWheelEventBuilder platformWheelBuilder(view, webMouseWheelEvent);
+        EXPECT_EQ(5, platformWheelBuilder.position().x());
+        EXPECT_EQ(0, platformWheelBuilder.position().y());
+        EXPECT_EQ(15, platformWheelBuilder.deltaX());
+        EXPECT_EQ(10, platformWheelBuilder.deltaY());
+        EXPECT_EQ(PlatformEvent::AltKey, platformWheelBuilder.modifiers());
+        EXPECT_TRUE(platformWheelBuilder.hasPreciseScrollingDeltas());
+        EXPECT_FALSE(platformWheelBuilder.canScroll());
+        EXPECT_EQ(platformWheelBuilder.railsMode(), PlatformEvent::RailsModeVertical);
     }
 }
 
 } // anonymous namespace