RenderIFrame.h 2.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081
  1. /*
  2. * Copyright (C) 2010 Apple Inc. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16. * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17. * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21. * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24. */
  25. #ifndef RenderIFrame_h
  26. #define RenderIFrame_h
  27. #include "RenderFrameBase.h"
  28. namespace WebCore {
  29. class RenderView;
  30. class RenderIFrame : public RenderFrameBase {
  31. public:
  32. explicit RenderIFrame(Element*);
  33. bool flattenFrame() const;
  34. bool isSeamless() const;
  35. private:
  36. virtual LayoutUnit minPreferredLogicalWidth() const OVERRIDE;
  37. virtual LayoutUnit maxPreferredLogicalWidth() const OVERRIDE;
  38. virtual bool shouldComputeSizeAsReplaced() const OVERRIDE;
  39. virtual bool isInlineBlockOrInlineTable() const OVERRIDE;
  40. virtual void layout() OVERRIDE;
  41. virtual bool isRenderIFrame() const OVERRIDE { return true; }
  42. virtual const char* renderName() const OVERRIDE { return "RenderPartObject"; } // Lying for now to avoid breaking tests
  43. virtual bool requiresLayer() const OVERRIDE;
  44. void layoutSeamlessly();
  45. RenderView* contentRootRenderer() const;
  46. };
  47. inline RenderIFrame* toRenderIFrame(RenderObject* object)
  48. {
  49. ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderIFrame());
  50. return static_cast<RenderIFrame*>(object);
  51. }
  52. inline const RenderIFrame* toRenderIFrame(const RenderObject* object)
  53. {
  54. ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isRenderIFrame());
  55. return static_cast<const RenderIFrame*>(object);
  56. }
  57. // This will catch anyone doing an unnecessary cast.
  58. void toRenderIFrame(const RenderIFrame*);
  59. } // namespace WebCore
  60. #endif // RenderIFrame_h