Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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 | #include "config.h" |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 30 | #include "core/accessibility/AXScrollbar.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 31 | |
Torne (Richard Coles) | a854de0 | 2013-12-18 16:25:25 +0000 | [diff] [blame] | 32 | #include "platform/scroll/ScrollView.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 33 | |
| 34 | namespace WebCore { |
| 35 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 36 | AXScrollbar::AXScrollbar(Scrollbar* scrollbar) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 37 | : m_scrollbar(scrollbar) |
| 38 | { |
| 39 | ASSERT(scrollbar); |
| 40 | } |
| 41 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 42 | void AXScrollbar::detachFromParent() |
Torne (Richard Coles) | e1f1df5 | 2013-08-23 16:39:30 +0100 | [diff] [blame] | 43 | { |
| 44 | m_scrollbar = 0; |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 45 | AXMockObject::detachFromParent(); |
Torne (Richard Coles) | e1f1df5 | 2013-08-23 16:39:30 +0100 | [diff] [blame] | 46 | } |
| 47 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 48 | PassRefPtr<AXScrollbar> AXScrollbar::create(Scrollbar* scrollbar) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 49 | { |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 50 | return adoptRef(new AXScrollbar(scrollbar)); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 51 | } |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 52 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 53 | LayoutRect AXScrollbar::elementRect() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 54 | { |
| 55 | if (!m_scrollbar) |
| 56 | return LayoutRect(); |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 57 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 58 | return m_scrollbar->frameRect(); |
| 59 | } |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 60 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 61 | Document* AXScrollbar::document() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 62 | { |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 63 | AXObject* parent = parentObject(); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 64 | if (!parent) |
| 65 | return 0; |
| 66 | return parent->document(); |
| 67 | } |
| 68 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 69 | AccessibilityOrientation AXScrollbar::orientation() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 70 | { |
| 71 | if (!m_scrollbar) |
| 72 | return AccessibilityOrientationHorizontal; |
| 73 | |
| 74 | if (m_scrollbar->orientation() == HorizontalScrollbar) |
| 75 | return AccessibilityOrientationHorizontal; |
| 76 | if (m_scrollbar->orientation() == VerticalScrollbar) |
| 77 | return AccessibilityOrientationVertical; |
| 78 | |
| 79 | return AccessibilityOrientationHorizontal; |
| 80 | } |
| 81 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 82 | bool AXScrollbar::isEnabled() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 83 | { |
| 84 | if (!m_scrollbar) |
| 85 | return false; |
| 86 | return m_scrollbar->enabled(); |
| 87 | } |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 88 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 89 | float AXScrollbar::valueForRange() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 90 | { |
| 91 | if (!m_scrollbar) |
| 92 | return 0; |
| 93 | |
| 94 | return m_scrollbar->currentPos() / m_scrollbar->maximum(); |
| 95 | } |
| 96 | |
Torne (Richard Coles) | bfe3590 | 2013-10-22 16:41:51 +0100 | [diff] [blame] | 97 | void AXScrollbar::setValue(float value) |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 98 | { |
| 99 | if (!m_scrollbar) |
| 100 | return; |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 101 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 102 | if (!m_scrollbar->scrollableArea()) |
| 103 | return; |
| 104 | |
| 105 | float newValue = value * m_scrollbar->maximum(); |
| 106 | m_scrollbar->scrollableArea()->scrollToOffsetWithoutAnimation(m_scrollbar->orientation(), newValue); |
| 107 | } |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 108 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 109 | } // namespace WebCore |