1 files changed, 101 insertions, 0 deletions
diff --git a/WebCore/page/win/FrameWin.cpp b/WebCore/page/win/FrameWin.cpp
new file mode 100644
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+++ b/WebCore/page/win/FrameWin.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "runtime.h"
+#include "FrameWin.h"
+
+#include "AffineTransform.h"
+#include "FloatRect.h"
+#include "Document.h"
+#include "FramePrivate.h"
+#include "RenderView.h"
+#include "Settings.h"
+
+using std::min;
+
+namespace WebCore {
+
+void computePageRectsForFrame(Frame* frame, const IntRect& printRect, float headerHeight, float footerHeight, float userScaleFactor, Vector<IntRect>& pages, int& outPageHeight)
+{
+    ASSERT(frame);
+
+    pages.clear();
+    outPageHeight = 0;
+
+    if (!frame->document() || !frame->view() || !frame->document()->renderer())
+        return;
+ 
+    RenderView* root = static_cast<RenderView*>(frame->document()->renderer());
+
+    if (!root) {
+        LOG_ERROR("document to be printed has no renderer");
+        return;
+    }
+
+    if (userScaleFactor <= 0) {
+        LOG_ERROR("userScaleFactor has bad value %.2f", userScaleFactor);
+        return;
+    }
+    
+    float ratio = static_cast<float>(printRect.height()) / static_cast<float>(printRect.width());
+ 
+    float pageWidth  = static_cast<float>(root->docWidth());
+    float pageHeight = pageWidth * ratio;
+    outPageHeight = static_cast<int>(pageHeight);   // this is the height of the page adjusted by margins
+    pageHeight -= (headerHeight + footerHeight);
+
+    if (pageHeight <= 0) {
+        LOG_ERROR("pageHeight has bad value %.2f", pageHeight);
+        return;
+    }
+
+    float currPageHeight = pageHeight / userScaleFactor;
+    float docHeight      = root->layer()->height();
+    float docWidth       = root->layer()->width();
+    float currPageWidth  = pageWidth / userScaleFactor;
+
+    
+    // always return at least one page, since empty files should print a blank page
+    float printedPagesHeight = 0.0f;
+    do {
+        float proposedBottom = min(docHeight, printedPagesHeight + pageHeight);
+        frame->adjustPageHeight(&proposedBottom, printedPagesHeight, proposedBottom, printedPagesHeight);
+        currPageHeight = max(1.0f, proposedBottom - printedPagesHeight);
+       
+        pages.append(IntRect(0, printedPagesHeight, currPageWidth, currPageHeight));
+        printedPagesHeight += currPageHeight;
+    } while (printedPagesHeight < docHeight);
+}
+
+DragImageRef Frame::dragImageForSelection()
+{    
+    if (selection()->isRange())
+        return imageFromSelection(this, false);
+
+    return 0;
+}
+
+} // namespace WebCore