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/* 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 */
#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 {
~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);
* 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