The Tor Browser: accessible/src/xul/XULColorPickerAccessible.cpp@97036ab72558

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 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "XULColorPickerAccessible.h"

     8 #include "Accessible-inl.h"

     9 #include "nsAccUtils.h"

    10 #include "nsCoreUtils.h"

    11 #include "DocAccessible.h"

    12 #include "Role.h"

    13 #include "States.h"

    15 #include "nsIDOMElement.h"

    16 #include "nsMenuPopupFrame.h"

    18 using namespace mozilla::a11y;

    20 ////////////////////////////////////////////////////////////////////////////////

    21 // XULColorPickerTileAccessible

    22 ////////////////////////////////////////////////////////////////////////////////

    24 XULColorPickerTileAccessible::

    25   XULColorPickerTileAccessible(nsIContent* aContent, DocAccessible* aDoc) :

    26   AccessibleWrap(aContent, aDoc)

    27 {

    28 }

    30 ////////////////////////////////////////////////////////////////////////////////

    31 // XULColorPickerTileAccessible: nsIAccessible

    33 void

    34 XULColorPickerTileAccessible::Value(nsString& aValue)

    35 {

    36   aValue.Truncate();

    38   mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::color, aValue);

    39 }

    41 ////////////////////////////////////////////////////////////////////////////////

    42 // XULColorPickerTileAccessible: Accessible

    44 role

    45 XULColorPickerTileAccessible::NativeRole()

    46 {

    47   return roles::PUSHBUTTON;

    48 }

    50 uint64_t

    51 XULColorPickerTileAccessible::NativeState()

    52 {

    53   uint64_t state = AccessibleWrap::NativeState();

    54   if (mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::selected))

    55     state |= states::SELECTED;

    57   return state;

    58 }

    60 uint64_t

    61 XULColorPickerTileAccessible::NativeInteractiveState() const

    62 {

    63   return NativelyUnavailable() ?

    64     states::UNAVAILABLE : states::FOCUSABLE | states::SELECTABLE;

    65 }

    67 ////////////////////////////////////////////////////////////////////////////////

    68 // XULColorPickerTileAccessible: Widgets

    70 Accessible*

    71 XULColorPickerTileAccessible::ContainerWidget() const

    72 {

    73   Accessible* parent = Parent();

    74   if (parent) {

    75     Accessible* grandParent = parent->Parent();

    76     if (grandParent && grandParent->IsMenuButton())

    77       return grandParent;

    78   }

    79   return nullptr;

    80 }

    82 ////////////////////////////////////////////////////////////////////////////////

    83 // XULColorPickerAccessible

    84 ////////////////////////////////////////////////////////////////////////////////

    86 XULColorPickerAccessible::

    87   XULColorPickerAccessible(nsIContent* aContent, DocAccessible* aDoc) :

    88   XULColorPickerTileAccessible(aContent, aDoc)

    89 {

    90   mGenericTypes |= eMenuButton;

    91 }

    93 ////////////////////////////////////////////////////////////////////////////////

    94 // XULColorPickerAccessible: Accessible

    96 uint64_t

    97 XULColorPickerAccessible::NativeState()

    98 {

    99   uint64_t state = AccessibleWrap::NativeState();

   100   return state | states::HASPOPUP;

   101 }

   103 role

   104 XULColorPickerAccessible::NativeRole()

   105 {

   106   return roles::BUTTONDROPDOWNGRID;

   107 }

   109 ////////////////////////////////////////////////////////////////////////////////

   110 // XULColorPickerAccessible: Widgets

   112 bool

   113 XULColorPickerAccessible::IsWidget() const

   114 {

   115   return true;

   116 }

   118 bool

   119 XULColorPickerAccessible::IsActiveWidget() const

   120 {

   121   return FocusMgr()->HasDOMFocus(mContent);

   122 }

   124 bool

   125 XULColorPickerAccessible::AreItemsOperable() const

   126 {

   127   Accessible* menuPopup = mChildren.SafeElementAt(0, nullptr);

   128   if (menuPopup) {

   129     nsMenuPopupFrame* menuPopupFrame = do_QueryFrame(menuPopup->GetFrame());

   130     return menuPopupFrame && menuPopupFrame->IsOpen();

   131   }

   132   return false;

   133 }

   135 ////////////////////////////////////////////////////////////////////////////////

   136 // XULColorPickerAccessible: protected Accessible

   138 bool

   139 XULColorPickerAccessible::IsAcceptableChild(Accessible* aPossibleChild) const

   140 {

   141   return roles::ALERT == aPossibleChild->Role();

   142 }

The Tor Browser / file revision

accessible/src/xul/XULColorPickerAccessible.cpp@97036ab72558

accessible/src/xul/XULColorPickerAccessible.cpp