1 files changed, 99 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/API/efl/EflViewportHandler.cpp b/Source/WebKit2/UIProcess/API/efl/EflViewportHandler.cpp
new file mode 100644
index 000000000..f5740822e
--- /dev/null
+++ b/Source/WebKit2/UIProcess/API/efl/EflViewportHandler.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2012 Samsung Electronics. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "EflViewportHandler.h"
+
+#if USE(COORDINATED_GRAPHICS)
+
+#include "LayerTreeCoordinatorProxy.h"
+#include "LayerTreeRenderer.h"
+#include "TransformationMatrix.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+EflViewportHandler::EflViewportHandler(PageClientImpl* pageClientImpl)
+    : m_pageClientImpl(pageClientImpl)
+    , m_scaleFactor(1)
+{
+    ASSERT(m_pageClientImpl);
+}
+
+EflViewportHandler::~EflViewportHandler()
+{
+}
+
+void EflViewportHandler::display(const IntRect& rect)
+{
+    WebCore::TransformationMatrix matrix;
+    matrix.setMatrix(m_scaleFactor, 0, 0, m_scaleFactor, -m_visibleContentRect.x(), -m_visibleContentRect.y());
+
+    LayerTreeRenderer* renderer = drawingArea()->layerTreeCoordinatorProxy()->layerTreeRenderer();
+    renderer->setActive(true);
+    renderer->syncRemoteContent();
+    renderer->paintToCurrentGLContext(matrix, 1, rect);
+}
+
+void EflViewportHandler::updateViewportSize(const IntSize& viewportSize)
+{
+    m_viewportSize = viewportSize;
+    m_pageClientImpl->page()->setViewportSize(viewportSize);
+    setVisibleContentsRect(m_visibleContentRect.location(), m_scaleFactor, FloatPoint());
+}
+
+void EflViewportHandler::setVisibleContentsRect(const IntPoint& newScrollPosition, float newScale, const FloatPoint& trajectory)
+{
+    m_scaleFactor = newScale;
+    m_visibleContentRect = IntRect(newScrollPosition, m_viewportSize);
+
+    // Move visibleContentRect inside contentsRect when visibleContentRect goes outside contentsRect. 
+    IntSize contentsSize = m_contentsSize;
+    contentsSize.scale(m_scaleFactor);
+    if (m_visibleContentRect.x() > contentsSize.width() - m_visibleContentRect.width())
+        m_visibleContentRect.setX(contentsSize.width() - m_visibleContentRect.width());
+    if (m_visibleContentRect.x() < 0)
+        m_visibleContentRect.setX(0);
+    if (m_visibleContentRect.y() > contentsSize.height() - m_visibleContentRect.height())
+        m_visibleContentRect.setY(contentsSize.height() - m_visibleContentRect.height());
+    if (m_visibleContentRect.y() < 0)
+        m_visibleContentRect.setY(0);
+
+    FloatRect mapRectToWebContent = m_visibleContentRect;
+    mapRectToWebContent.scale(1 / m_scaleFactor);
+    drawingArea()->setVisibleContentsRect(enclosingIntRect(mapRectToWebContent), m_scaleFactor, trajectory);
+}
+
+void EflViewportHandler::didChangeContentsSize(const WebCore::IntSize& size)
+{
+    m_contentsSize = size;
+    setVisibleContentsRect(m_visibleContentRect.location(), m_scaleFactor, FloatPoint());
+    drawingArea()->layerTreeCoordinatorProxy()->setContentsSize(WebCore::FloatSize(size.width(), size.height()));
+}
+
+} // namespace WebKit
+#endif // USE(COORDINATED_GRAPHICS)
+