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Diffstat (limited to '')
-rw-r--r-- | accessible/android/DocAccessibleWrap.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/accessible/android/DocAccessibleWrap.h b/accessible/android/DocAccessibleWrap.h new file mode 100644 index 0000000000..5380079fe8 --- /dev/null +++ b/accessible/android/DocAccessibleWrap.h @@ -0,0 +1,69 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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_DocAccessibleWrap_h__ +#define mozilla_a11y_DocAccessibleWrap_h__ + +#include "DocAccessible.h" +#include "nsITimer.h" + +namespace mozilla { + +class PresShell; + +namespace a11y { + +class DocAccessibleWrap : public DocAccessible { + public: + DocAccessibleWrap(Document* aDocument, PresShell* aPresShell); + virtual ~DocAccessibleWrap(); + + virtual nsresult HandleAccEvent(AccEvent* aEvent) override; + + /** + * Manage the mapping from id to Accessible. + */ + void AddID(uint32_t aID, AccessibleWrap* aAcc) { + mIDToAccessibleMap.Put(aID, aAcc); + } + void RemoveID(uint32_t aID) { mIDToAccessibleMap.Remove(aID); } + AccessibleWrap* GetAccessibleByID(int32_t aID) const; + + DocAccessibleWrap* GetTopLevelContentDoc(AccessibleWrap* aAccessible); + + void CacheFocusPath(AccessibleWrap* aAccessible); + + void CacheViewport(bool aCachePivotBoundaries); + + enum { + eBatch_Viewport = 0, + eBatch_FocusPath = 1, + eBatch_BoundsUpdate = 2, + }; + + protected: + /* + * This provides a mapping from 32 bit id to accessible objects. + */ + nsDataHashtable<nsUint32HashKey, AccessibleWrap*> mIDToAccessibleMap; + + virtual void DoInitialUpdate() override; + + private: + void UpdateFocusPathBounds(); + + static void CacheViewportCallback(nsITimer* aTimer, void* aDocAccParam); + + nsCOMPtr<nsITimer> mCacheRefreshTimer; + + bool mCachePivotBoundaries; + + AccessibleHashtable mFocusPath; +}; + +} // namespace a11y +} // namespace mozilla + +#endif |