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| 1 /* | |
| 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 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 | |
| 26 #ifndef Caret_h | |
| 27 #define Caret_h | |
| 28 | |
| 29 #include "core/CoreExport.h" | |
| 30 #include "core/editing/VisiblePosition.h" | |
| 31 #include "platform/geometry/IntRect.h" | |
| 32 #include "platform/geometry/LayoutRect.h" | |
| 33 #include "wtf/Noncopyable.h" | |
| 34 | |
| 35 namespace blink { | |
| 36 | |
| 37 class LocalFrame; | |
| 38 class GraphicsContext; | |
| 39 class LayoutBlock; | |
| 40 class LayoutView; | |
| 41 | |
| 42 class CORE_EXPORT CaretBase { | |
| 43 WTF_MAKE_NONCOPYABLE(CaretBase); | |
| 44 WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(CaretBase); | |
| 45 protected: | |
| 46 enum CaretVisibility { Visible, Hidden }; | |
| 47 explicit CaretBase(CaretVisibility = Hidden); | |
| 48 | |
| 49 void invalidateCaretRect(Node*, bool caretRectChanged = false); | |
| 50 void clearCaretRect(); | |
| 51 // Creating VisiblePosition causes synchronous layout so we should use the | |
| 52 // PositionWithAffinity version if possible. | |
| 53 // A position in HTMLTextFromControlElement is a typical example. | |
| 54 bool updateCaretRect(const PositionWithAffinity& caretPosition); | |
| 55 bool updateCaretRect(const VisiblePosition& caretPosition); | |
| 56 IntRect absoluteBoundsForLocalRect(Node*, const LayoutRect&) const; | |
| 57 bool shouldRepaintCaret(Node&) const; | |
| 58 bool shouldRepaintCaret(const LayoutView*) const; | |
| 59 void paintCaret(Node*, GraphicsContext*, const LayoutPoint&, const LayoutRec
t& clipRect) const; | |
| 60 | |
| 61 const LayoutRect& localCaretRectWithoutUpdate() const { return m_caretLocalR
ect; } | |
| 62 | |
| 63 void setCaretVisibility(CaretVisibility visibility) { m_caretVisibility = vi
sibility; } | |
| 64 bool caretIsVisible() const { return m_caretVisibility == Visible; } | |
| 65 CaretVisibility caretVisibility() const { return m_caretVisibility; } | |
| 66 | |
| 67 static LayoutBlock* caretLayoutObject(Node*); | |
| 68 static void invalidateLocalCaretRect(Node*, const LayoutRect&); | |
| 69 | |
| 70 private: | |
| 71 LayoutRect m_caretLocalRect; // caret rect in coords local to the layoutObje
ct responsible for painting the caret | |
| 72 CaretVisibility m_caretVisibility; | |
| 73 }; | |
| 74 | |
| 75 } // namespace blink | |
| 76 | |
| 77 #endif // Caret_h | |
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Chromium Code Reviews
Issue 1330573002:
Rename Caret.{h,cpp} to CaretBase to match class. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master