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1 /* | 1 /* |
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. | 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. |
3 * | 3 * |
4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. | 4 * Portions are Copyright (C) 1998 Netscape Communications Corporation. |
5 * | 5 * |
6 * Other contributors: | 6 * Other contributors: |
7 * Robert O'Callahan <roc+@cs.cmu.edu> | 7 * Robert O'Callahan <roc+@cs.cmu.edu> |
8 * David Baron <dbaron@fas.harvard.edu> | 8 * David Baron <dbaron@fas.harvard.edu> |
9 * Christian Biesinger <cbiesinger@web.de> | 9 * Christian Biesinger <cbiesinger@web.de> |
10 * Randall Jesup <rjesup@wgate.com> | 10 * Randall Jesup <rjesup@wgate.com> |
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193 IntSize clampScrollOffset(const IntSize&) const; | 193 IntSize clampScrollOffset(const IntSize&) const; |
194 | 194 |
195 void setScrollOffset(const IntSize& scrollOffset) { m_scrollOffset = scrollO
ffset; } | 195 void setScrollOffset(const IntSize& scrollOffset) { m_scrollOffset = scrollO
ffset; } |
196 | 196 |
197 IntRect rectForHorizontalScrollbar(const IntRect& borderBoxRect) const; | 197 IntRect rectForHorizontalScrollbar(const IntRect& borderBoxRect) const; |
198 IntRect rectForVerticalScrollbar(const IntRect& borderBoxRect) const; | 198 IntRect rectForVerticalScrollbar(const IntRect& borderBoxRect) const; |
199 LayoutUnit verticalScrollbarStart(int minX, int maxX) const; | 199 LayoutUnit verticalScrollbarStart(int minX, int maxX) const; |
200 LayoutUnit horizontalScrollbarStart(int minX) const; | 200 LayoutUnit horizontalScrollbarStart(int minX) const; |
201 IntSize scrollbarOffset(const Scrollbar*) const; | 201 IntSize scrollbarOffset(const Scrollbar*) const; |
202 | 202 |
203 PassRefPtr<Scrollbar> createScrollbar(ScrollbarOrientation); | 203 PassRefPtrWillBeRawPtr<Scrollbar> createScrollbar(ScrollbarOrientation); |
204 void destroyScrollbar(ScrollbarOrientation); | 204 void destroyScrollbar(ScrollbarOrientation); |
205 | 205 |
206 void setHasHorizontalScrollbar(bool hasScrollbar); | 206 void setHasHorizontalScrollbar(bool hasScrollbar); |
207 void setHasVerticalScrollbar(bool hasScrollbar); | 207 void setHasVerticalScrollbar(bool hasScrollbar); |
208 | 208 |
209 void updateScrollCornerStyle(); | 209 void updateScrollCornerStyle(); |
210 | 210 |
211 // See comments on isPointInResizeControl. | 211 // See comments on isPointInResizeControl. |
212 IntRect resizerCornerRect(const IntRect&, ResizerHitTestType) const; | 212 IntRect resizerCornerRect(const IntRect&, ResizerHitTestType) const; |
213 bool overflowControlsIntersectRect(const IntRect& localRect) const; | 213 bool overflowControlsIntersectRect(const IntRect& localRect) const; |
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240 | 240 |
241 // The width/height of our scrolled area. | 241 // The width/height of our scrolled area. |
242 LayoutRect m_overflowRect; | 242 LayoutRect m_overflowRect; |
243 | 243 |
244 // This is the (scroll) offset from scrollOrigin(). | 244 // This is the (scroll) offset from scrollOrigin(). |
245 IntSize m_scrollOffset; | 245 IntSize m_scrollOffset; |
246 | 246 |
247 IntPoint m_cachedOverlayScrollbarOffset; | 247 IntPoint m_cachedOverlayScrollbarOffset; |
248 | 248 |
249 // For areas with overflow, we have a pair of scrollbars. | 249 // For areas with overflow, we have a pair of scrollbars. |
250 RefPtr<Scrollbar> m_hBar; | 250 RefPtrWillBePersistent<Scrollbar> m_hBar; |
251 RefPtr<Scrollbar> m_vBar; | 251 RefPtrWillBePersistent<Scrollbar> m_vBar; |
252 | 252 |
253 // Renderers to hold our custom scroll corner. | 253 // Renderers to hold our custom scroll corner. |
254 RawPtrWillBePersistent<RenderScrollbarPart> m_scrollCorner; | 254 RawPtrWillBePersistent<RenderScrollbarPart> m_scrollCorner; |
255 | 255 |
256 // Renderers to hold our custom resizer. | 256 // Renderers to hold our custom resizer. |
257 RawPtrWillBePersistent<RenderScrollbarPart> m_resizer; | 257 RawPtrWillBePersistent<RenderScrollbarPart> m_resizer; |
258 }; | 258 }; |
259 | 259 |
260 } // namespace blink | 260 } // namespace blink |
261 | 261 |
262 #endif // RenderLayerScrollableArea_h | 262 #endif // RenderLayerScrollableArea_h |
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