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Diffstat (limited to '')
-rw-r--r-- | accessible/atk/nsMaiInterfaceImage.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceImage.cpp b/accessible/atk/nsMaiInterfaceImage.cpp new file mode 100644 index 0000000000..c9559becab --- /dev/null +++ b/accessible/atk/nsMaiInterfaceImage.cpp @@ -0,0 +1,69 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "InterfaceInitFuncs.h" + +#include "AccessibleWrap.h" +#include "ImageAccessible.h" +#include "mozilla/Likely.h" +#include "nsMai.h" +#include "nsIAccessibleTypes.h" +#include "ProxyAccessible.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +extern "C" { +const gchar* getDescriptionCB(AtkObject* aAtkObj); + +static void getImagePositionCB(AtkImage* aImage, gint* aAccX, gint* aAccY, + AtkCoordType aCoordType) { + nsIntPoint pos = nsIntPoint(-1, -1); + uint32_t geckoCoordType = + (aCoordType == ATK_XY_WINDOW) + ? nsIAccessibleCoordinateType::COORDTYPE_WINDOW_RELATIVE + : nsIAccessibleCoordinateType::COORDTYPE_SCREEN_RELATIVE; + + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage)); + if (accWrap && accWrap->IsImage()) { + ImageAccessible* image = accWrap->AsImage(); + pos = image->Position(geckoCoordType); + } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aImage))) { + pos = proxy->ImagePosition(geckoCoordType); + } + + *aAccX = pos.x; + *aAccY = pos.y; +} + +static const gchar* getImageDescriptionCB(AtkImage* aImage) { + return getDescriptionCB(ATK_OBJECT(aImage)); +} + +static void getImageSizeCB(AtkImage* aImage, gint* aAccWidth, + gint* aAccHeight) { + nsIntSize size = nsIntSize(-1, -1); + AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aImage)); + if (accWrap && accWrap->IsImage()) { + size = accWrap->AsImage()->Size(); + } else if (ProxyAccessible* proxy = GetProxy(ATK_OBJECT(aImage))) { + size = proxy->ImageSize(); + } + + *aAccWidth = size.width; + *aAccHeight = size.height; +} + +} // extern "C" + +void imageInterfaceInitCB(AtkImageIface* aIface) { + NS_ASSERTION(aIface, "no interface!"); + if (MOZ_UNLIKELY(!aIface)) return; + + aIface->get_image_position = getImagePositionCB; + aIface->get_image_description = getImageDescriptionCB; + aIface->get_image_size = getImageSizeCB; +} |