bf3516e81e
In modern C++, static constexpr member variables are automatically inline (aka weak) so the template trick is not needed. This also avoid duplication and reduces the amount of parsed code. No impact on generated binary (actually: smaller debuginfo, close to identical binary). Differential Revision: https://phabricator.services.mozilla.com/D247825
76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_xpcAccessibleTextRange_h_
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#define mozilla_a11y_xpcAccessibleTextRange_h_
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#include <utility>
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#include "TextRange.h"
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#include "nsIAccessibleTextRange.h"
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#include "xpcAccessibleHyperText.h"
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namespace mozilla {
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namespace a11y {
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class TextRange;
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#define NS_ACCESSIBLETEXTRANGE_IMPL_IID \
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{/* 133c8bf4-4913-4355-bd50-426bd1d6e1ad */ \
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0xb17652d9, \
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0x4f54, \
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0x4c56, \
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{0xbb, 0x62, 0x6d, 0x5b, 0xf1, 0xef, 0x91, 0x0c}}
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class xpcAccessibleTextRange final : public nsIAccessibleTextRange {
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public:
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explicit xpcAccessibleTextRange(TextRange& aRange) { SetRange(aRange); }
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NS_DECL_ISUPPORTS
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NS_IMETHOD GetStartContainer(nsIAccessibleText** aAnchor) final;
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NS_IMETHOD GetStartOffset(int32_t* aOffset) final;
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NS_IMETHOD GetEndContainer(nsIAccessibleText** aAnchor) final;
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NS_IMETHOD GetEndOffset(int32_t* aOffset) final;
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NS_IMETHOD GetContainer(nsIAccessible** aContainer) final;
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NS_IMETHOD Compare(nsIAccessibleTextRange* aOtherRange, bool* aResult) final;
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NS_IMETHOD CompareEndPoints(uint32_t aEndPoint,
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nsIAccessibleTextRange* aOtherRange,
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uint32_t aOtherRangeEndPoint,
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int32_t* aResult) final;
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NS_IMETHOD Crop(nsIAccessible* aContainer, bool* aSuccess) final;
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NS_INLINE_DECL_STATIC_IID(NS_ACCESSIBLETEXTRANGE_IMPL_IID)
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private:
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xpcAccessibleTextRange() {}
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~xpcAccessibleTextRange() {}
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friend class xpcAccessibleHyperText;
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xpcAccessibleTextRange& operator=(const xpcAccessibleTextRange&) = delete;
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void SetRange(TextRange& aRange);
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TextRange Range();
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// We can't hold a strong reference to an Accessible, but XPCOM needs strong
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// references. Thus, instead of holding a TextRange here, we hold
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// xpcAccessibleHyperText references and create the TextRange for each call
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// using Range().
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RefPtr<xpcAccessibleHyperText> mRoot;
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RefPtr<xpcAccessibleHyperText> mStartContainer;
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int32_t mStartOffset;
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RefPtr<xpcAccessibleHyperText> mEndContainer;
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int32_t mEndOffset;
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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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