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33bb32f549
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find . \
! -wholename "*/.git*" \
! -wholename "obj-ff-dbg*" \
-type f \
\( -iname "*.cpp" \
-o -iname "*.h" \
-o -iname "*.c" \
-o -iname "*.cc" \
-o -iname "*.idl" \
-o -iname "*.ipdl" \
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}
convert MOZ_OVERRIDE override
convert MOZ_FINAL final
96 lines
2.1 KiB
C++
96 lines
2.1 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_AccCollector_h__
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#define mozilla_a11y_AccCollector_h__
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#include "Filters.h"
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#include "nsTArray.h"
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namespace mozilla {
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namespace a11y {
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class Accessible;
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/**
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* Collect accessible children complying with filter function. Provides quick
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* access to accessible by index.
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*/
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class AccCollector
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{
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public:
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AccCollector(Accessible* aRoot, filters::FilterFuncPtr aFilterFunc);
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virtual ~AccCollector();
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/**
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* Return accessible count within the collection.
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*/
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uint32_t Count();
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/**
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* Return an accessible from the collection at the given index.
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*/
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Accessible* GetAccessibleAt(uint32_t aIndex);
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/**
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* Return index of the given accessible within the collection.
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*/
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virtual int32_t GetIndexAt(Accessible* aAccessible);
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protected:
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/**
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* Ensure accessible at the given index is stored and return it.
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*/
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Accessible* EnsureNGetObject(uint32_t aIndex);
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/**
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* Ensure index for the given accessible is stored and return it.
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*/
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int32_t EnsureNGetIndex(Accessible* aAccessible);
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/**
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* Append the object to collection.
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*/
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virtual void AppendObject(Accessible* aAccessible);
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filters::FilterFuncPtr mFilterFunc;
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Accessible* mRoot;
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uint32_t mRootChildIdx;
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nsTArray<Accessible*> mObjects;
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private:
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AccCollector();
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AccCollector(const AccCollector&);
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AccCollector& operator =(const AccCollector&);
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};
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/**
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* Collect embedded objects. Provide quick access to accessible by index and
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* vice versa.
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*/
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class EmbeddedObjCollector final : public AccCollector
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{
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public:
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virtual ~EmbeddedObjCollector() { }
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public:
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virtual int32_t GetIndexAt(Accessible* aAccessible) override;
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protected:
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// Make sure it's used by Accessible class only.
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explicit EmbeddedObjCollector(Accessible* aRoot) :
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AccCollector(aRoot, filters::GetEmbeddedObject) { }
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virtual void AppendObject(Accessible* aAccessible) override;
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friend class Accessible;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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