external/webkit r30707

1 files changed, 72 insertions, 0 deletions

diff --git a/WebCore/loader/ImageDocument.h b/WebCore/loader/ImageDocument.h
new file mode 100644
index 0000000..0cca1a7
--- /dev/null
+++ b/WebCore/loader/ImageDocument.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2006, 2007 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,
+ * 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. 
+ */
+
+#ifndef ImageDocument_h
+#define ImageDocument_h
+
+#include "HTMLDocument.h"
+
+namespace WebCore {
+    
+class ImageDocumentElement;
+
+class ImageDocument : public HTMLDocument {
+public:
+    ImageDocument(DOMImplementation*, Frame*);
+
+    virtual bool isImageDocument() const { return true; }
+    
+    virtual Tokenizer* createTokenizer();
+    
+    CachedImage* cachedImage();
+    ImageDocumentElement* imageElement() const { return m_imageElement; }
+    void disconnectImageElement() { m_imageElement = 0; }
+    
+    void windowSizeChanged();
+    void imageChanged();
+    void imageClicked(int x, int y);
+
+private:
+    void createDocumentStructure();
+    void resizeImageToFit();
+    void restoreImageSize();
+    bool imageFitsInWindow() const;
+    bool shouldShrinkToFit() const;
+    float scale() const;
+    
+    ImageDocumentElement* m_imageElement;
+    
+    // Whether enough of the image has been loaded to determine its size
+    bool m_imageSizeIsKnown;
+    
+    // Whether the image is shrunk to fit or not
+    bool m_didShrinkImage;
+    
+    // Whether the image should be shrunk or not
+    bool m_shouldShrinkImage;
+};
+    
+}
+
+#endif // ImageDocument_h