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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.h | |
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 'accessible/base/EmbeddedObjCollector.h')
-rw-r--r-- | accessible/base/EmbeddedObjCollector.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/accessible/base/EmbeddedObjCollector.h b/accessible/base/EmbeddedObjCollector.h new file mode 100644 index 0000000000..a1d29e458f --- /dev/null +++ b/accessible/base/EmbeddedObjCollector.h @@ -0,0 +1,68 @@ +/* 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/. */ + +#ifndef mozilla_a11y_EmbeddedObjCollector_h__ +#define mozilla_a11y_EmbeddedObjCollector_h__ + +#include "nsTArray.h" + +namespace mozilla { +namespace a11y { + +class LocalAccessible; + +/** + * Collect embedded objects. Provide quick access to accessible by index and + * vice versa. + */ +class EmbeddedObjCollector final { + public: + ~EmbeddedObjCollector() {} + + /** + * Return index of the given accessible within the collection. + */ + int32_t GetIndexAt(LocalAccessible* aAccessible); + + /** + * Return accessible count within the collection. + */ + uint32_t Count(); + + /** + * Return an accessible from the collection at the given index. + */ + LocalAccessible* GetAccessibleAt(uint32_t aIndex); + + protected: + /** + * Ensure accessible at the given index is stored and return it. + */ + LocalAccessible* EnsureNGetObject(uint32_t aIndex); + + /** + * Ensure index for the given accessible is stored and return it. + */ + int32_t EnsureNGetIndex(LocalAccessible* aAccessible); + + // Make sure it's used by LocalAccessible class only. + explicit EmbeddedObjCollector(LocalAccessible* aRoot) + : mRoot(aRoot), mRootChildIdx(0) {} + + /** + * Append the object to collection. + */ + void AppendObject(LocalAccessible* aAccessible); + + friend class LocalAccessible; + + LocalAccessible* mRoot; + uint32_t mRootChildIdx; + nsTArray<LocalAccessible*> mObjects; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |