Reland "Implement FullScreen using top layer."

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

 /*
  * Copyright (C) 2010 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 46 matching lines @@
 #include "core/frame/RemoteFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/VisualViewport.h"
 #include "core/html/HTMLBodyElement.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLMediaElement.h"
 #include "core/html/ImageDocument.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
-#include "core/layout/LayoutFullScreen.h"
-#include "core/layout/api/LayoutViewItem.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/DocumentThreadableLoader.h"
 #include "core/loader/DocumentThreadableLoaderClient.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/page/Page.h"
 #include "core/paint/PaintLayer.h"
 #include "core/testing/NullExecutionContext.h"
 #include "modules/mediastream/MediaStream.h"
@@ skipping 6369 matching lines @@
     webViewHelper.webView()->settings()->setWideViewportQuirkEnabled(true);
     webViewHelper.webView()->settings()->setLoadWithOverviewMode(true);
     webViewHelper.webView()->settings()->setUseWideViewport(true);
     webViewHelper.resize(WebSize(viewportWidth, viewportHeight));
     webViewHelper.webView()->updateAllLifecyclePhases();
 
     FrameView* frameView = webViewHelper.webViewImpl()->mainFrameImpl()->frameView();
     EXPECT_LT(frameView->maximumScrollPosition().x(), 0);
 }
 
+TEST_F(WebFrameTest, FullscreenCleanTopLayerAndFullscreenStack)
+{
+    FakeCompositingWebViewClient client;
+    registerMockedHttpURLLoad("fullscreen_div.html");
+    FrameTestHelpers::WebViewHelper webViewHelper;
+    int viewportWidth = 640;
+    int viewportHeight = 480;
+    client.m_screenInfo.rect.width = viewportWidth;
+    client.m_screenInfo.rect.height = viewportHeight;
+    WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(
+        m_baseURL + "fullscreen_div.html", true, 0, &client, nullptr, configureAndroid);
+    webViewImpl->resize(WebSize(viewportWidth, viewportHeight));
+    webViewImpl->updateAllLifecyclePhases();
+
+    UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
+    Document* document = toWebLocalFrameImpl(webViewImpl->mainFrame())->frame()->document();
+    Fullscreen& fullscreen = Fullscreen::from(*document);
+
+    Element* divFullscreen = document->getElementById("div1");
+    fullscreen.requestFullscreen(*divFullscreen, Fullscreen::PrefixedRequest);
+    webViewImpl->didEnterFullScreen();
+    ASSERT_TRUE(Fullscreen::isFullScreen(*document));
+
+    // Sanity check. We should have both in our stack.
+    ASSERT_EQ(fullscreen.fullScreenElementStack().size(), 1UL);
+    ASSERT_EQ(document->topLayerElements().size(), 2UL);
+
+    fullscreen.exitFullscreen();
+    webViewImpl->didExitFullScreen();
+
+    ASSERT_EQ(fullscreen.fullScreenElementStack().size(), 0UL);
+    ASSERT_EQ(document->topLayerElements().size(), 0UL);
+}
+
 TEST_P(ParameterizedWebFrameTest, FullscreenLayerSize)
 {
     FakeCompositingWebViewClient client;
     registerMockedHttpURLLoad("fullscreen_div.html");
     FrameTestHelpers::WebViewHelper webViewHelper(this);
     int viewportWidth = 640;
     int viewportHeight = 480;
     client.m_screenInfo.rect.width = viewportWidth;
     client.m_screenInfo.rect.height = viewportHeight;
     WebViewImpl* webViewImpl = webViewHelper.initializeAndLoad(m_baseURL + "fullscreen_div.html", true, nullptr, &client, nullptr, configureAndroid);
     webViewHelper.resize(WebSize(viewportWidth, viewportHeight));
     webViewImpl->updateAllLifecyclePhases();
 
     Document* document = toWebLocalFrameImpl(webViewImpl->mainFrame())->frame()->document();
     UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
     Element* divFullscreen = document->getElementById("div1");
     Fullscreen::from(*document).requestFullscreen(*divFullscreen, Fullscreen::PrefixedRequest);
     webViewImpl->didEnterFullScreen();
     webViewImpl->updateAllLifecyclePhases();
     ASSERT_TRUE(Fullscreen::isFullScreen(*document));
 
     // Verify that the element is sized to the viewport.
-    LayoutFullScreen* fullscreenLayoutObject = Fullscreen::from(*document).fullScreenLayoutObject();
+    Element* fullscreenElement = Fullscreen::currentFullScreenElementFrom(*document);
+    LayoutBox* fullscreenLayoutObject = toLayoutBox(fullscreenElement->layoutObject());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalHeight().toInt());
 
     // Verify it's updated after a device rotation.
     client.m_screenInfo.rect.width = viewportHeight;
     client.m_screenInfo.rect.height = viewportWidth;
     webViewHelper.resize(WebSize(viewportHeight, viewportWidth));
     webViewImpl->updateAllLifecyclePhases();
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalHeight().toInt());
@@ skipping 83 matching lines @@
     webViewImpl->updateAllLifecyclePhases();
 
     Document* document = toWebLocalFrameImpl(webViewHelper.webView()->mainFrame()->firstChild())->frame()->document();
     UserGestureIndicator gesture(DefinitelyProcessingUserGesture);
     Element* divFullscreen = document->getElementById("div1");
     Fullscreen::from(*document).requestFullscreen(*divFullscreen, Fullscreen::PrefixedRequest);
     webViewImpl->didEnterFullScreen();
     webViewImpl->updateAllLifecyclePhases();
 
     // Verify that the element is sized to the viewport.
-    LayoutFullScreen* fullscreenLayoutObject = Fullscreen::from(*document).fullScreenLayoutObject();
+    Element* fullscreenElement = Fullscreen::currentFullScreenElementFrom(*document);
+    LayoutBox* fullscreenLayoutObject = toLayoutBox(fullscreenElement->layoutObject());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalHeight().toInt());
 
     // Verify it's updated after a device rotation.
     client.m_screenInfo.rect.width = viewportHeight;
     client.m_screenInfo.rect.height = viewportWidth;
     webViewHelper.resize(WebSize(viewportHeight, viewportWidth));
     webViewImpl->updateAllLifecyclePhases();
     EXPECT_EQ(viewportHeight, fullscreenLayoutObject->logicalWidth().toInt());
     EXPECT_EQ(viewportWidth, fullscreenLayoutObject->logicalHeight().toInt());
@@ skipping 2217 matching lines @@
     request.setURL(toKURL("javascript:location='" + redirectURL + "'"));
     helper.webViewImpl()->mainFrame()->toWebLocalFrame()->loadRequest(request);
 
     // Normally, the result of the JS url replaces the existing contents on the
     // Document. However, if the JS triggers a navigation, the contents should
     // not be replaced.
     EXPECT_EQ("", toLocalFrame(helper.webViewImpl()->page()->mainFrame())->document()->documentElement()->innerText());
 }
 
 } // namespace blink