1 files changed, 137 insertions, 0 deletions
diff --git a/Source/WebKit2/UIProcess/DrawingAreaProxyImpl.cpp b/Source/WebKit2/UIProcess/DrawingAreaProxyImpl.cpp
new file mode 100644
index 0000000..02b0dd2
--- /dev/null
+++ b/Source/WebKit2/UIProcess/DrawingAreaProxyImpl.cpp
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2011 Apple 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:
+ * 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 "DrawingAreaProxyImpl.h"
+
+#include "DrawingAreaMessages.h"
+#include "UpdateInfo.h"
+#include "WebPageProxy.h"
+#include "WebProcessProxy.h"
+
+#ifndef __APPLE__
+#error "This drawing area is not ready for use by other ports yet."
+#endif
+
+using namespace WebCore;
+
+namespace WebKit {
+
+PassOwnPtr<DrawingAreaProxyImpl> DrawingAreaProxyImpl::create(WebPageProxy* webPageProxy)
+{
+    return adoptPtr(new DrawingAreaProxyImpl(webPageProxy));
+}
+
+DrawingAreaProxyImpl::DrawingAreaProxyImpl(WebPageProxy* webPageProxy)
+    : DrawingAreaProxy(DrawingAreaInfo::Impl, webPageProxy)
+{
+}
+
+DrawingAreaProxyImpl::~DrawingAreaProxyImpl()
+{
+}
+
+void DrawingAreaProxyImpl::paint(BackingStore::PlatformGraphicsContext context, const IntRect& rect)
+{
+    if (!m_backingStore)
+        return;
+
+    m_backingStore->paint(context, rect);
+}
+
+void DrawingAreaProxyImpl::didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*)
+{
+    ASSERT_NOT_REACHED();
+}
+
+void DrawingAreaProxyImpl::didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, CoreIPC::ArgumentEncoder*)
+{
+    ASSERT_NOT_REACHED();
+}
+
+bool DrawingAreaProxyImpl::paint(const WebCore::IntRect&, PlatformDrawingContext)
+{
+    ASSERT_NOT_REACHED();
+    return false;
+}
+
+void DrawingAreaProxyImpl::sizeDidChange()
+{
+    sendSetSize();
+}
+
+void DrawingAreaProxyImpl::setPageIsVisible(bool pageIsVisible)
+{
+    // FIXME: Implement.
+}
+
+void DrawingAreaProxyImpl::attachCompositingContext(uint32_t contextID)
+{
+    ASSERT_NOT_REACHED();
+}
+
+void DrawingAreaProxyImpl::detachCompositingContext()
+{
+    ASSERT_NOT_REACHED();
+}
+
+void DrawingAreaProxyImpl::update(const UpdateInfo& updateInfo)
+{
+    // FIXME: Handle the case where the view is hidden.
+
+    incorporateUpdate(updateInfo);
+    m_webPageProxy->process()->send(Messages::DrawingArea::DidUpdate(), m_webPageProxy->pageID());
+}
+
+void DrawingAreaProxyImpl::didSetSize()
+{
+}
+
+void DrawingAreaProxyImpl::incorporateUpdate(const UpdateInfo& updateInfo)
+{
+    // FIXME: Check for the update bounds being empty here.
+
+    if (!m_backingStore)
+        m_backingStore = BackingStore::create(updateInfo.viewSize);
+
+    m_backingStore->incorporateUpdate(updateInfo);
+
+    for (size_t i = 0; i < updateInfo.updateRects.size(); ++i)
+        m_webPageProxy->setViewNeedsDisplay(updateInfo.updateRects[i]);
+
+    if (!updateInfo.scrollRect.isEmpty()) {
+        m_webPageProxy->setViewNeedsDisplay(updateInfo.scrollRect);
+        m_webPageProxy->displayView();
+    }
+}
+
+void DrawingAreaProxyImpl::sendSetSize()
+{
+    if (!m_webPageProxy->isValid())
+        return;
+
+    m_webPageProxy->process()->send(Messages::DrawingArea::SetSize(m_size), m_webPageProxy->pageID());
+}
+
+} // namespace WebKit