The Tor Browser / file comparison
comparison: accessible/src/atk/nsMaiInterfaceValue.cpp
accessible/src/atk/nsMaiInterfaceValue.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:9b07ba5a6d84 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set ts=2 et sw=2 tw=80: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "InterfaceInitFuncs.h" | |
| 8 | |
| 9 #include "AccessibleWrap.h" | |
| 10 #include "nsMai.h" | |
| 11 | |
| 12 #include "mozilla/FloatingPoint.h" | |
| 13 #include "mozilla/Likely.h" | |
| 14 | |
| 15 using namespace mozilla; | |
| 16 using namespace mozilla::a11y; | |
| 17 | |
| 18 extern "C" { | |
| 19 | |
| 20 static void | |
| 21 getCurrentValueCB(AtkValue *obj, GValue *value) | |
| 22 { | |
| 23 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); | |
| 24 if (!accWrap) | |
| 25 return; | |
| 26 | |
| 27 memset (value, 0, sizeof (GValue)); | |
| 28 double accValue = accWrap->CurValue(); | |
| 29 if (IsNaN(accValue)) | |
| 30 return; | |
| 31 | |
| 32 g_value_init (value, G_TYPE_DOUBLE); | |
| 33 g_value_set_double (value, accValue); | |
| 34 } | |
| 35 | |
| 36 static void | |
| 37 getMaximumValueCB(AtkValue *obj, GValue *value) | |
| 38 { | |
| 39 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); | |
| 40 if (!accWrap) | |
| 41 return; | |
| 42 | |
| 43 memset(value, 0, sizeof (GValue)); | |
| 44 double accValue = accWrap->MaxValue(); | |
| 45 if (IsNaN(accValue)) | |
| 46 return; | |
| 47 | |
| 48 g_value_init(value, G_TYPE_DOUBLE); | |
| 49 g_value_set_double(value, accValue); | |
| 50 } | |
| 51 | |
| 52 static void | |
| 53 getMinimumValueCB(AtkValue *obj, GValue *value) | |
| 54 { | |
| 55 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); | |
| 56 if (!accWrap) | |
| 57 return; | |
| 58 | |
| 59 memset(value, 0, sizeof (GValue)); | |
| 60 double accValue = accWrap->MinValue(); | |
| 61 if (IsNaN(accValue)) | |
| 62 return; | |
| 63 | |
| 64 g_value_init(value, G_TYPE_DOUBLE); | |
| 65 g_value_set_double(value, accValue); | |
| 66 } | |
| 67 | |
| 68 static void | |
| 69 getMinimumIncrementCB(AtkValue *obj, GValue *minimumIncrement) | |
| 70 { | |
| 71 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); | |
| 72 if (!accWrap) | |
| 73 return; | |
| 74 | |
| 75 memset(minimumIncrement, 0, sizeof (GValue)); | |
| 76 double accValue = accWrap->Step(); | |
| 77 if (IsNaN(accValue)) | |
| 78 accValue = 0; // zero if the minimum increment is undefined | |
| 79 | |
| 80 g_value_init(minimumIncrement, G_TYPE_DOUBLE); | |
| 81 g_value_set_double(minimumIncrement, accValue); | |
| 82 } | |
| 83 | |
| 84 static gboolean | |
| 85 setCurrentValueCB(AtkValue *obj, const GValue *value) | |
| 86 { | |
| 87 AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(obj)); | |
| 88 if (!accWrap) | |
| 89 return FALSE; | |
| 90 | |
| 91 double accValue =g_value_get_double(value); | |
| 92 return accWrap->SetCurValue(accValue); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 void | |
| 97 valueInterfaceInitCB(AtkValueIface* aIface) | |
| 98 { | |
| 99 NS_ASSERTION(aIface, "Invalid aIface"); | |
| 100 if (MOZ_UNLIKELY(!aIface)) | |
| 101 return; | |
| 102 | |
| 103 aIface->get_current_value = getCurrentValueCB; | |
| 104 aIface->get_maximum_value = getMaximumValueCB; | |
| 105 aIface->get_minimum_value = getMinimumValueCB; | |
| 106 aIface->get_minimum_increment = getMinimumIncrementCB; | |
| 107 aIface->set_current_value = setCurrentValueCB; | |
| 108 } |
