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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /accessible/base/EmbeddedObjCollector.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | accessible/base/EmbeddedObjCollector.cpp | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/accessible/base/EmbeddedObjCollector.cpp b/accessible/base/EmbeddedObjCollector.cpp new file mode 100644 index 0000000000..cba5f2d9ba --- /dev/null +++ b/accessible/base/EmbeddedObjCollector.cpp @@ -0,0 +1,62 @@ +/* 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 "EmbeddedObjCollector.h" + +#include "LocalAccessible.h" + +using namespace mozilla::a11y; + +uint32_t EmbeddedObjCollector::Count() { + EnsureNGetIndex(nullptr); + return mObjects.Length(); +} + +LocalAccessible* EmbeddedObjCollector::GetAccessibleAt(uint32_t aIndex) { + LocalAccessible* accessible = mObjects.SafeElementAt(aIndex, nullptr); + if (accessible) return accessible; + + return EnsureNGetObject(aIndex); +} + +LocalAccessible* EmbeddedObjCollector::EnsureNGetObject(uint32_t aIndex) { + uint32_t childCount = mRoot->ChildCount(); + while (mRootChildIdx < childCount) { + LocalAccessible* child = mRoot->LocalChildAt(mRootChildIdx++); + if (child->IsText()) continue; + + AppendObject(child); + if (mObjects.Length() - 1 == aIndex) return mObjects[aIndex]; + } + + return nullptr; +} + +int32_t EmbeddedObjCollector::EnsureNGetIndex(LocalAccessible* aAccessible) { + uint32_t childCount = mRoot->ChildCount(); + while (mRootChildIdx < childCount) { + LocalAccessible* child = mRoot->LocalChildAt(mRootChildIdx++); + if (child->IsText()) continue; + + AppendObject(child); + if (child == aAccessible) return mObjects.Length() - 1; + } + + return -1; +} + +int32_t EmbeddedObjCollector::GetIndexAt(LocalAccessible* aAccessible) { + if (aAccessible->mParent != mRoot) return -1; + + if (aAccessible->mIndexOfEmbeddedChild != -1) { + return aAccessible->mIndexOfEmbeddedChild; + } + + return !aAccessible->IsText() ? EnsureNGetIndex(aAccessible) : -1; +} + +void EmbeddedObjCollector::AppendObject(LocalAccessible* aAccessible) { + aAccessible->mIndexOfEmbeddedChild = mObjects.Length(); + mObjects.AppendElement(aAccessible); +} |