accessible/src/atk/nsMaiInterfaceValue.cpp@6474c204b198 (annotated)
accessible/src/atk/nsMaiInterfaceValue.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set ts=2 et sw=2 tw=80: */ |
| michael@0 | 3 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "InterfaceInitFuncs.h" |
| michael@0 | 8 | |
| michael@0 | 9 | #include "AccessibleWrap.h" |
| michael@0 | 10 | #include "nsMai.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "mozilla/FloatingPoint.h" |
| michael@0 | 13 | #include "mozilla/Likely.h" |
| michael@0 | 14 | |
| michael@0 | 15 | using namespace mozilla; |
| michael@0 | 16 | using namespace mozilla::a11y; |
| michael@0 | 17 | |
| michael@0 | 18 | extern "C" { |
| michael@0 | 19 | |
| michael@0 | 20 | static void |
| michael@0 | 21 | getCurrentValueCB(AtkValue *obj, GValue *value) |
| michael@0 | 22 | { |
| michael@0 | 23 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); |
| michael@0 | 24 | if (!accWrap) |
| michael@0 | 25 | return; |
| michael@0 | 26 | |
| michael@0 | 27 | memset (value, 0, sizeof (GValue)); |
| michael@0 | 28 | double accValue = accWrap->CurValue(); |
| michael@0 | 29 | if (IsNaN(accValue)) |
| michael@0 | 30 | return; |
| michael@0 | 31 | |
| michael@0 | 32 | g_value_init (value, G_TYPE_DOUBLE); |
| michael@0 | 33 | g_value_set_double (value, accValue); |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | static void |
| michael@0 | 37 | getMaximumValueCB(AtkValue *obj, GValue *value) |
| michael@0 | 38 | { |
| michael@0 | 39 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); |
| michael@0 | 40 | if (!accWrap) |
| michael@0 | 41 | return; |
| michael@0 | 42 | |
| michael@0 | 43 | memset(value, 0, sizeof (GValue)); |
| michael@0 | 44 | double accValue = accWrap->MaxValue(); |
| michael@0 | 45 | if (IsNaN(accValue)) |
| michael@0 | 46 | return; |
| michael@0 | 47 | |
| michael@0 | 48 | g_value_init(value, G_TYPE_DOUBLE); |
| michael@0 | 49 | g_value_set_double(value, accValue); |
| michael@0 | 50 | } |
| michael@0 | 51 | |
| michael@0 | 52 | static void |
| michael@0 | 53 | getMinimumValueCB(AtkValue *obj, GValue *value) |
| michael@0 | 54 | { |
| michael@0 | 55 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); |
| michael@0 | 56 | if (!accWrap) |
| michael@0 | 57 | return; |
| michael@0 | 58 | |
| michael@0 | 59 | memset(value, 0, sizeof (GValue)); |
| michael@0 | 60 | double accValue = accWrap->MinValue(); |
| michael@0 | 61 | if (IsNaN(accValue)) |
| michael@0 | 62 | return; |
| michael@0 | 63 | |
| michael@0 | 64 | g_value_init(value, G_TYPE_DOUBLE); |
| michael@0 | 65 | g_value_set_double(value, accValue); |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | static void |
| michael@0 | 69 | getMinimumIncrementCB(AtkValue *obj, GValue *minimumIncrement) |
| michael@0 | 70 | { |
| michael@0 | 71 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); |
| michael@0 | 72 | if (!accWrap) |
| michael@0 | 73 | return; |
| michael@0 | 74 | |
| michael@0 | 75 | memset(minimumIncrement, 0, sizeof (GValue)); |
| michael@0 | 76 | double accValue = accWrap->Step(); |
| michael@0 | 77 | if (IsNaN(accValue)) |
| michael@0 | 78 | accValue = 0; // zero if the minimum increment is undefined |
| michael@0 | 79 | |
| michael@0 | 80 | g_value_init(minimumIncrement, G_TYPE_DOUBLE); |
| michael@0 | 81 | g_value_set_double(minimumIncrement, accValue); |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | static gboolean |
| michael@0 | 85 | setCurrentValueCB(AtkValue *obj, const GValue *value) |
| michael@0 | 86 | { |
| michael@0 | 87 | AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); |
| michael@0 | 88 | if (!accWrap) |
| michael@0 | 89 | return FALSE; |
| michael@0 | 90 | |
| michael@0 | 91 | double accValue =g_value_get_double(value); |
| michael@0 | 92 | return accWrap->SetCurValue(accValue); |
| michael@0 | 93 | } |
| michael@0 | 94 | } |
| michael@0 | 95 | |
| michael@0 | 96 | void |
| michael@0 | 97 | valueInterfaceInitCB(AtkValueIface* aIface) |
| michael@0 | 98 | { |
| michael@0 | 99 | NS_ASSERTION(aIface, "Invalid aIface"); |
| michael@0 | 100 | if (MOZ_UNLIKELY(!aIface)) |
| michael@0 | 101 | return; |
| michael@0 | 102 | |
| michael@0 | 103 | aIface->get_current_value = getCurrentValueCB; |
| michael@0 | 104 | aIface->get_maximum_value = getMaximumValueCB; |
| michael@0 | 105 | aIface->get_minimum_value = getMinimumValueCB; |
| michael@0 | 106 | aIface->get_minimum_increment = getMinimumIncrementCB; |
| michael@0 | 107 | aIface->set_current_value = setCurrentValueCB; |
| michael@0 | 108 | } |
