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comparison: accessible/src/windows/ia2/ia2AccessibleImage.cpp
accessible/src/windows/ia2/ia2AccessibleImage.cpp
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:expandtab:shiftwidth=2:tabstop=2: | |
| 3 */ | |
| 4 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 5 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 7 | |
| 8 #include "ia2AccessibleImage.h" | |
| 9 | |
| 10 #include "AccessibleImage_i.c" | |
| 11 | |
| 12 #include "ImageAccessibleWrap.h" | |
| 13 #include "IUnknownImpl.h" | |
| 14 #include "nsIAccessibleTypes.h" | |
| 15 | |
| 16 #include "nsString.h" | |
| 17 #include "nsIURI.h" | |
| 18 | |
| 19 using namespace mozilla; | |
| 20 using namespace mozilla::a11y; | |
| 21 | |
| 22 // IUnknown | |
| 23 | |
| 24 STDMETHODIMP | |
| 25 ia2AccessibleImage::QueryInterface(REFIID iid, void** ppv) | |
| 26 { | |
| 27 if (!ppv) | |
| 28 return E_INVALIDARG; | |
| 29 | |
| 30 *ppv = nullptr; | |
| 31 | |
| 32 if (IID_IAccessibleImage == iid) { | |
| 33 *ppv = static_cast<IAccessibleImage*>(this); | |
| 34 (static_cast<IUnknown*>(*ppv))->AddRef(); | |
| 35 return S_OK; | |
| 36 } | |
| 37 | |
| 38 return E_NOINTERFACE; | |
| 39 } | |
| 40 | |
| 41 // IAccessibleImage | |
| 42 | |
| 43 STDMETHODIMP | |
| 44 ia2AccessibleImage::get_description(BSTR* aDescription) | |
| 45 { | |
| 46 A11Y_TRYBLOCK_BEGIN | |
| 47 | |
| 48 if (!aDescription) | |
| 49 return E_INVALIDARG; | |
| 50 | |
| 51 *aDescription = nullptr; | |
| 52 | |
| 53 ImageAccessibleWrap* acc = static_cast<ImageAccessibleWrap*>(this); | |
| 54 if (acc->IsDefunct()) | |
| 55 return CO_E_OBJNOTCONNECTED; | |
| 56 | |
| 57 nsAutoString description; | |
| 58 nsresult rv = acc->GetName(description); | |
| 59 if (NS_FAILED(rv)) | |
| 60 return GetHRESULT(rv); | |
| 61 | |
| 62 if (description.IsEmpty()) | |
| 63 return S_FALSE; | |
| 64 | |
| 65 *aDescription = ::SysAllocStringLen(description.get(), description.Length()); | |
| 66 return *aDescription ? S_OK : E_OUTOFMEMORY; | |
| 67 | |
| 68 A11Y_TRYBLOCK_END | |
| 69 } | |
| 70 | |
| 71 STDMETHODIMP | |
| 72 ia2AccessibleImage::get_imagePosition(enum IA2CoordinateType aCoordType, | |
| 73 long* aX, | |
| 74 long* aY) | |
| 75 { | |
| 76 A11Y_TRYBLOCK_BEGIN | |
| 77 | |
| 78 if (!aX || !aY) | |
| 79 return E_INVALIDARG; | |
| 80 | |
| 81 *aX = 0; | |
| 82 *aY = 0; | |
| 83 | |
| 84 ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this); | |
| 85 if (imageAcc->IsDefunct()) | |
| 86 return CO_E_OBJNOTCONNECTED; | |
| 87 | |
| 88 uint32_t geckoCoordType = (aCoordType == IA2_COORDTYPE_SCREEN_RELATIVE) ? | |
| 89 nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE : | |
| 90 nsIAccessibleCoordinateType::COORDTYPE_PARENT_RELATIVE; | |
| 91 int32_t x = 0, y = 0; | |
| 92 | |
| 93 nsresult rv = imageAcc->GetImagePosition(geckoCoordType, &x, &y); | |
| 94 if (NS_FAILED(rv)) | |
| 95 return GetHRESULT(rv); | |
| 96 | |
| 97 *aX = x; | |
| 98 *aY = y; | |
| 99 return S_OK; | |
| 100 | |
| 101 A11Y_TRYBLOCK_END | |
| 102 } | |
| 103 | |
| 104 STDMETHODIMP | |
| 105 ia2AccessibleImage::get_imageSize(long* aHeight, long* aWidth) | |
| 106 { | |
| 107 A11Y_TRYBLOCK_BEGIN | |
| 108 | |
| 109 if (!aHeight || !aWidth) | |
| 110 return E_INVALIDARG; | |
| 111 | |
| 112 *aHeight = 0; | |
| 113 *aWidth = 0; | |
| 114 | |
| 115 ImageAccessibleWrap* imageAcc = static_cast<ImageAccessibleWrap*>(this); | |
| 116 if (imageAcc->IsDefunct()) | |
| 117 return CO_E_OBJNOTCONNECTED; | |
| 118 | |
| 119 int32_t width = 0, height = 0; | |
| 120 nsresult rv = imageAcc->GetImageSize(&width, &height); | |
| 121 if (NS_FAILED(rv)) | |
| 122 return GetHRESULT(rv); | |
| 123 | |
| 124 *aHeight = width; | |
| 125 *aWidth = height; | |
| 126 return S_OK; | |
| 127 | |
| 128 A11Y_TRYBLOCK_END | |
| 129 } | |
| 130 |
