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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /accessible/xpcom/xpcAccessibleTextRange.h | |
parent | Initial commit. (diff) | |
download | firefox-upstream/124.0.1.tar.xz firefox-upstream/124.0.1.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/xpcom/xpcAccessibleTextRange.h')
-rw-r--r-- | accessible/xpcom/xpcAccessibleTextRange.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleTextRange.h b/accessible/xpcom/xpcAccessibleTextRange.h new file mode 100644 index 0000000000..01ca228ade --- /dev/null +++ b/accessible/xpcom/xpcAccessibleTextRange.h @@ -0,0 +1,78 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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_xpcAccessibleTextRange_h_ +#define mozilla_a11y_xpcAccessibleTextRange_h_ + +#include <utility> + +#include "TextRange.h" +#include "nsIAccessibleTextRange.h" +#include "xpcAccessibleHyperText.h" + +namespace mozilla { +namespace a11y { + +class TextRange; + +#define NS_ACCESSIBLETEXTRANGE_IMPL_IID \ + { /* 133c8bf4-4913-4355-bd50-426bd1d6e1ad */ \ + 0xb17652d9, 0x4f54, 0x4c56, { \ + 0xbb, 0x62, 0x6d, 0x5b, 0xf1, 0xef, 0x91, 0x0c \ + } \ + } + +class xpcAccessibleTextRange final : public nsIAccessibleTextRange { + public: + explicit xpcAccessibleTextRange(TextRange& aRange) { SetRange(aRange); } + + NS_DECL_ISUPPORTS + + NS_IMETHOD GetStartContainer(nsIAccessibleText** aAnchor) final; + NS_IMETHOD GetStartOffset(int32_t* aOffset) final; + NS_IMETHOD GetEndContainer(nsIAccessibleText** aAnchor) final; + NS_IMETHOD GetEndOffset(int32_t* aOffset) final; + NS_IMETHOD GetContainer(nsIAccessible** aContainer) final; + NS_IMETHOD Compare(nsIAccessibleTextRange* aOtherRange, bool* aResult) final; + NS_IMETHOD CompareEndPoints(uint32_t aEndPoint, + nsIAccessibleTextRange* aOtherRange, + uint32_t aOtherRangeEndPoint, + int32_t* aResult) final; + NS_IMETHOD Crop(nsIAccessible* aContainer, bool* aSuccess) final; + + NS_DECLARE_STATIC_IID_ACCESSOR(NS_ACCESSIBLETEXTRANGE_IMPL_IID) + + private: + xpcAccessibleTextRange() {} + + ~xpcAccessibleTextRange() {} + + friend class xpcAccessibleHyperText; + + xpcAccessibleTextRange& operator=(const xpcAccessibleTextRange&) = delete; + + void SetRange(TextRange& aRange); + + TextRange Range(); + + // We can't hold a strong reference to an Accessible, but XPCOM needs strong + // references. Thus, instead of holding a TextRange here, we hold + // xpcAccessibleHyperText references and create the TextRange for each call + // using Range(). + RefPtr<xpcAccessibleHyperText> mRoot; + RefPtr<xpcAccessibleHyperText> mStartContainer; + int32_t mStartOffset; + RefPtr<xpcAccessibleHyperText> mEndContainer; + int32_t mEndOffset; +}; + +NS_DEFINE_STATIC_IID_ACCESSOR(xpcAccessibleTextRange, + NS_ACCESSIBLETEXTRANGE_IMPL_IID) + +} // namespace a11y +} // namespace mozilla + +#endif |