Imported WebKit commit fce473cb4d55aa9fe9d0b0322a2fffecb731b961 (http://svn.webkit.org/repository/webkit/trunk@106560)

1 files changed, 121 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/WebPage/TapHighlightController.cpp b/Source/WebKit2/WebProcess/WebPage/TapHighlightController.cpp
new file mode 100644
index 000000000..725324703
--- /dev/null
+++ b/Source/WebKit2/WebProcess/WebPage/TapHighlightController.cpp
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "TapHighlightController.h"
+
+#if ENABLE(TOUCH_EVENTS)
+
+#include "ShareableBitmap.h"
+#include "WKPage.h"
+#include "WebCoreArgumentCoders.h"
+#include "WebPage.h"
+#include "WebPageProxyMessages.h"
+#include "WebProcess.h"
+#include <WebCore/FocusController.h>
+#include <WebCore/Frame.h>
+#include <WebCore/FrameView.h>
+#include <WebCore/GestureTapHighlighter.h>
+#include <WebCore/GraphicsContext.h>
+#include <WebCore/Page.h>
+
+#include <WebCore/RenderObject.h>
+
+using namespace std;
+using namespace WebCore;
+
+namespace WebKit {
+
+TapHighlightController::TapHighlightController(WebPage* webPage)
+    : m_webPage(webPage)
+    , m_overlay(0)
+{
+}
+
+TapHighlightController::~TapHighlightController()
+{
+}
+
+void TapHighlightController::highlight(Node* node)
+{
+    ASSERT(node);
+
+    m_path = GestureTapHighlighter::pathForNodeHighlight(node);
+    m_color = node->renderer()->style()->tapHighlightColor();
+
+    if (!m_overlay) {
+        RefPtr<PageOverlay> overlay = PageOverlay::create(this);
+        m_overlay = overlay.get();
+        m_webPage->installPageOverlay(overlay.release());
+    } else
+        m_overlay->setNeedsDisplay();
+}
+
+void TapHighlightController::hideHighlight()
+{
+    if (m_overlay)
+        m_webPage->uninstallPageOverlay(m_overlay, /* fadeout */ true);
+}
+
+void TapHighlightController::pageOverlayDestroyed(PageOverlay*)
+{
+}
+
+void TapHighlightController::willMoveToWebPage(PageOverlay*, WebPage* webPage)
+{
+    if (webPage)
+        return;
+
+    // The page overlay is moving away from the web page, reset it.
+    ASSERT(m_overlay);
+    m_overlay = 0;
+}
+
+void TapHighlightController::didMoveToWebPage(PageOverlay*, WebPage*)
+{
+}
+
+static Color highlightColor(Color baseColor, float fractionFadedIn)
+{
+    return Color(baseColor.red(), baseColor.green(), baseColor.blue(), int(baseColor.alpha() * fractionFadedIn));
+}
+
+void TapHighlightController::drawRect(PageOverlay* pageOverlay, GraphicsContext& context, const IntRect& dirtyRect)
+{
+    if (m_path.isEmpty())
+        return;
+
+    float fractionFadedIn = pageOverlay->fractionFadedIn();
+
+    {
+        GraphicsContextStateSaver stateSaver(context);
+        context.setFillColor(highlightColor(m_color, fractionFadedIn), ColorSpaceSRGB);
+        context.fillPath(m_path);
+    }
+}
+
+bool TapHighlightController::mouseEvent(PageOverlay*, const WebMouseEvent&)
+{
+    return false;
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(TOUCH_EVENTS)