accessible/src/windows/ia2/ia2AccessibleHypertext.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* vim:expandtab:shiftwidth=2:tabstop=2:
     3  */
     4 /* This Source Code Form is subject to the terms of the Mozilla Public
     5  * License, v. 2.0. If a copy of the MPL was not distributed with this
     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     8 #include "ia2AccessibleHypertext.h"
    10 #include "AccessibleHypertext_i.c"
    12 #include "HyperTextAccessibleWrap.h"
    13 #include "IUnknownImpl.h"
    15 using namespace mozilla::a11y;
    17 // IAccessibleHypertext
    19 STDMETHODIMP
    20 ia2AccessibleHypertext::get_nHyperlinks(long* aHyperlinkCount)
    21 {
    22   A11Y_TRYBLOCK_BEGIN
    24   if (!aHyperlinkCount)
    25     return E_INVALIDARG;
    27   *aHyperlinkCount = 0;
    29   HyperTextAccessibleWrap* hyperText = static_cast<HyperTextAccessibleWrap*>(this);
    30   if (hyperText->IsDefunct())
    31     return CO_E_OBJNOTCONNECTED;
    33   *aHyperlinkCount = hyperText->LinkCount();
    34   return S_OK;
    36   A11Y_TRYBLOCK_END
    37 }
    39 STDMETHODIMP
    40 ia2AccessibleHypertext::get_hyperlink(long aLinkIndex,
    41                                       IAccessibleHyperlink** aHyperlink)
    42 {
    43   A11Y_TRYBLOCK_BEGIN
    45   if (!aHyperlink)
    46     return E_INVALIDARG;
    48   *aHyperlink = nullptr;
    50   HyperTextAccessibleWrap* hyperText = static_cast<HyperTextAccessibleWrap*>(this);
    51   if (hyperText->IsDefunct())
    52     return CO_E_OBJNOTCONNECTED;
    54   Accessible* hyperLink = hyperText->LinkAt(aLinkIndex);
    55   if (!hyperLink)
    56     return E_FAIL;
    58   *aHyperlink =
    59     static_cast<IAccessibleHyperlink*>(static_cast<AccessibleWrap*>(hyperLink));
    60   (*aHyperlink)->AddRef();
    61   return S_OK;
    63   A11Y_TRYBLOCK_END
    64 }
    66 STDMETHODIMP
    67 ia2AccessibleHypertext::get_hyperlinkIndex(long aCharIndex, long* aHyperlinkIndex)
    68 {
    69   A11Y_TRYBLOCK_BEGIN
    71   if (!aHyperlinkIndex)
    72     return E_INVALIDARG;
    74   *aHyperlinkIndex = 0;
    76   HyperTextAccessibleWrap* hyperAcc = static_cast<HyperTextAccessibleWrap*>(this);
    77   if (hyperAcc->IsDefunct())
    78     return CO_E_OBJNOTCONNECTED;
    80   *aHyperlinkIndex = hyperAcc->LinkIndexAtOffset(aCharIndex);
    81   return S_OK;
    83   A11Y_TRYBLOCK_END
    84 }

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