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| 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 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 * notice, this list of conditions and the following disclaimer in the | |
| 12 * documentation and/or other materials provided with the distribution. | |
| 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of | |
| 14 * its contributors may be used to endorse or promote products derived | |
| 15 * from this software without specific prior written permission. | |
| 16 * | |
| 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
| 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
| 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
| 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
| 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #ifndef AXScrollbar_h | |
| 30 #define AXScrollbar_h | |
| 31 | |
| 32 #include "modules/accessibility/AXMockObject.h" | |
| 33 | |
| 34 namespace blink { | |
| 35 | |
| 36 class AXObjectCacheImpl; | |
| 37 class Scrollbar; | |
| 38 | |
| 39 class AXScrollbar final : public AXMockObject { | |
| 40 public: | |
| 41 static AXScrollbar* create(Scrollbar*, AXObjectCacheImpl&); | |
| 42 ~AXScrollbar() override; | |
| 43 DECLARE_VIRTUAL_TRACE(); | |
| 44 | |
| 45 Scrollbar* scrollbar() const { return m_scrollbar.get(); } | |
| 46 | |
| 47 private: | |
| 48 AXScrollbar(Scrollbar*, AXObjectCacheImpl&); | |
| 49 | |
| 50 void detachFromParent() override; | |
| 51 | |
| 52 bool canSetValueAttribute() const override { return true; } | |
| 53 | |
| 54 bool isAXScrollbar() const override { return true; } | |
| 55 LayoutRect elementRect() const override; | |
| 56 | |
| 57 AccessibilityRole roleValue() const override { return ScrollBarRole; } | |
| 58 AccessibilityOrientation orientation() const override; | |
| 59 Document* document() const override; | |
| 60 | |
| 61 bool isEnabled() const override; | |
| 62 | |
| 63 // Assumes float [0..1] | |
| 64 void setValue(float) override; | |
| 65 float valueForRange() const override; | |
| 66 | |
| 67 RefPtrWillBeMember<Scrollbar> m_scrollbar; | |
| 68 }; | |
| 69 | |
| 70 DEFINE_AX_OBJECT_TYPE_CASTS(AXScrollbar, isAXScrollbar()); | |
| 71 | |
| 72 } // namespace blink | |
| 73 | |
| 74 #endif // AXScrollbar_h | |
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Chromium Code Reviews
Issue 1348503003:
One AXObjectCache per frame (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master