The Tor Browser / annotate

accessible/src/xul/XULSelectControlAccessible.cpp@6474c204b198 (annotated)

accessible/src/xul/XULSelectControlAccessible.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* vim: set ts=2 et sw=2 tw=80: */
michael@0 3 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "XULSelectControlAccessible.h"
michael@0 8
michael@0 9 #include "nsAccessibilityService.h"
michael@0 10 #include "DocAccessible.h"
michael@0 11
michael@0 12 #include "nsIDOMXULContainerElement.h"
michael@0 13 #include "nsIDOMXULSelectCntrlItemEl.h"
michael@0 14 #include "nsIDOMXULMultSelectCntrlEl.h"
michael@0 15 #include "nsIDOMKeyEvent.h"
michael@0 16 #include "nsIDOMElement.h"
michael@0 17 #include "nsIDOMXULElement.h"
michael@0 18 #include "nsIMutableArray.h"
michael@0 19 #include "nsIServiceManager.h"
michael@0 20
michael@0 21 #include "mozilla/dom/Element.h"
michael@0 22
michael@0 23 using namespace mozilla;
michael@0 24 using namespace mozilla::a11y;
michael@0 25
michael@0 26 ////////////////////////////////////////////////////////////////////////////////
michael@0 27 // XULSelectControlAccessible
michael@0 28 ////////////////////////////////////////////////////////////////////////////////
michael@0 29
michael@0 30 XULSelectControlAccessible::
michael@0 31 XULSelectControlAccessible(nsIContent* aContent, DocAccessible* aDoc) :
michael@0 32 AccessibleWrap(aContent, aDoc)
michael@0 33 {
michael@0 34 mGenericTypes |= eSelect;
michael@0 35 mSelectControl = do_QueryInterface(aContent);
michael@0 36 }
michael@0 37
michael@0 38 ////////////////////////////////////////////////////////////////////////////////
michael@0 39 // XULSelectControlAccessible: Accessible
michael@0 40
michael@0 41 void
michael@0 42 XULSelectControlAccessible::Shutdown()
michael@0 43 {
michael@0 44 mSelectControl = nullptr;
michael@0 45 AccessibleWrap::Shutdown();
michael@0 46 }
michael@0 47
michael@0 48 ////////////////////////////////////////////////////////////////////////////////
michael@0 49 // XULSelectControlAccessible: SelectAccessible
michael@0 50
michael@0 51 already_AddRefed<nsIArray>
michael@0 52 XULSelectControlAccessible::SelectedItems()
michael@0 53 {
michael@0 54 nsCOMPtr<nsIMutableArray> selectedItems =
michael@0 55 do_CreateInstance(NS_ARRAY_CONTRACTID);
michael@0 56 if (!selectedItems || !mDoc)
michael@0 57 return nullptr;
michael@0 58
michael@0 59 // For XUL multi-select control
michael@0 60 nsCOMPtr<nsIDOMXULMultiSelectControlElement> xulMultiSelect =
michael@0 61 do_QueryInterface(mSelectControl);
michael@0 62 if (xulMultiSelect) {
michael@0 63 int32_t length = 0;
michael@0 64 xulMultiSelect->GetSelectedCount(&length);
michael@0 65 for (int32_t index = 0; index < length; index++) {
michael@0 66 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm;
michael@0 67 xulMultiSelect->MultiGetSelectedItem(index, getter_AddRefs(itemElm));
michael@0 68 nsCOMPtr<nsINode> itemNode(do_QueryInterface(itemElm));
michael@0 69 Accessible* item = mDoc->GetAccessible(itemNode);
michael@0 70 if (item)
michael@0 71 selectedItems->AppendElement(static_cast<nsIAccessible*>(item),
michael@0 72 false);
michael@0 73 }
michael@0 74 } else { // Single select?
michael@0 75 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm;
michael@0 76 mSelectControl->GetSelectedItem(getter_AddRefs(itemElm));
michael@0 77 nsCOMPtr<nsINode> itemNode(do_QueryInterface(itemElm));
michael@0 78 if (itemNode) {
michael@0 79 Accessible* item = mDoc->GetAccessible(itemNode);
michael@0 80 if (item)
michael@0 81 selectedItems->AppendElement(static_cast<nsIAccessible*>(item),
michael@0 82 false);
michael@0 83 }
michael@0 84 }
michael@0 85
michael@0 86 return selectedItems.forget();
michael@0 87 }
michael@0 88
michael@0 89 Accessible*
michael@0 90 XULSelectControlAccessible::GetSelectedItem(uint32_t aIndex)
michael@0 91 {
michael@0 92 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 93 do_QueryInterface(mSelectControl);
michael@0 94
michael@0 95 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm;
michael@0 96 if (multiSelectControl)
michael@0 97 multiSelectControl->MultiGetSelectedItem(aIndex, getter_AddRefs(itemElm));
michael@0 98 else if (aIndex == 0)
michael@0 99 mSelectControl->GetSelectedItem(getter_AddRefs(itemElm));
michael@0 100
michael@0 101 nsCOMPtr<nsINode> itemNode(do_QueryInterface(itemElm));
michael@0 102 return itemNode && mDoc ? mDoc->GetAccessible(itemNode) : nullptr;
michael@0 103 }
michael@0 104
michael@0 105 uint32_t
michael@0 106 XULSelectControlAccessible::SelectedItemCount()
michael@0 107 {
michael@0 108 // For XUL multi-select control
michael@0 109 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 110 do_QueryInterface(mSelectControl);
michael@0 111 if (multiSelectControl) {
michael@0 112 int32_t count = 0;
michael@0 113 multiSelectControl->GetSelectedCount(&count);
michael@0 114 return count;
michael@0 115 }
michael@0 116
michael@0 117 // For XUL single-select control/menulist
michael@0 118 int32_t index;
michael@0 119 mSelectControl->GetSelectedIndex(&index);
michael@0 120 return (index >= 0) ? 1 : 0;
michael@0 121 }
michael@0 122
michael@0 123 bool
michael@0 124 XULSelectControlAccessible::AddItemToSelection(uint32_t aIndex)
michael@0 125 {
michael@0 126 Accessible* item = GetChildAt(aIndex);
michael@0 127 if (!item)
michael@0 128 return false;
michael@0 129
michael@0 130 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
michael@0 131 do_QueryInterface(item->GetContent());
michael@0 132 if (!itemElm)
michael@0 133 return false;
michael@0 134
michael@0 135 bool isItemSelected = false;
michael@0 136 itemElm->GetSelected(&isItemSelected);
michael@0 137 if (isItemSelected)
michael@0 138 return true;
michael@0 139
michael@0 140 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 141 do_QueryInterface(mSelectControl);
michael@0 142
michael@0 143 if (multiSelectControl)
michael@0 144 multiSelectControl->AddItemToSelection(itemElm);
michael@0 145 else
michael@0 146 mSelectControl->SetSelectedItem(itemElm);
michael@0 147
michael@0 148 return true;
michael@0 149 }
michael@0 150
michael@0 151 bool
michael@0 152 XULSelectControlAccessible::RemoveItemFromSelection(uint32_t aIndex)
michael@0 153 {
michael@0 154 Accessible* item = GetChildAt(aIndex);
michael@0 155 if (!item)
michael@0 156 return false;
michael@0 157
michael@0 158 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
michael@0 159 do_QueryInterface(item->GetContent());
michael@0 160 if (!itemElm)
michael@0 161 return false;
michael@0 162
michael@0 163 bool isItemSelected = false;
michael@0 164 itemElm->GetSelected(&isItemSelected);
michael@0 165 if (!isItemSelected)
michael@0 166 return true;
michael@0 167
michael@0 168 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 169 do_QueryInterface(mSelectControl);
michael@0 170
michael@0 171 if (multiSelectControl)
michael@0 172 multiSelectControl->RemoveItemFromSelection(itemElm);
michael@0 173 else
michael@0 174 mSelectControl->SetSelectedItem(nullptr);
michael@0 175
michael@0 176 return true;
michael@0 177 }
michael@0 178
michael@0 179 bool
michael@0 180 XULSelectControlAccessible::IsItemSelected(uint32_t aIndex)
michael@0 181 {
michael@0 182 Accessible* item = GetChildAt(aIndex);
michael@0 183 if (!item)
michael@0 184 return false;
michael@0 185
michael@0 186 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
michael@0 187 do_QueryInterface(item->GetContent());
michael@0 188 if (!itemElm)
michael@0 189 return false;
michael@0 190
michael@0 191 bool isItemSelected = false;
michael@0 192 itemElm->GetSelected(&isItemSelected);
michael@0 193 return isItemSelected;
michael@0 194 }
michael@0 195
michael@0 196 bool
michael@0 197 XULSelectControlAccessible::UnselectAll()
michael@0 198 {
michael@0 199 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 200 do_QueryInterface(mSelectControl);
michael@0 201 multiSelectControl ?
michael@0 202 multiSelectControl->ClearSelection() : mSelectControl->SetSelectedIndex(-1);
michael@0 203
michael@0 204 return true;
michael@0 205 }
michael@0 206
michael@0 207 bool
michael@0 208 XULSelectControlAccessible::SelectAll()
michael@0 209 {
michael@0 210 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 211 do_QueryInterface(mSelectControl);
michael@0 212 if (multiSelectControl) {
michael@0 213 multiSelectControl->SelectAll();
michael@0 214 return true;
michael@0 215 }
michael@0 216
michael@0 217 // otherwise, don't support this method
michael@0 218 return false;
michael@0 219 }
michael@0 220
michael@0 221 ////////////////////////////////////////////////////////////////////////////////
michael@0 222 // XULSelectControlAccessible: Widgets
michael@0 223
michael@0 224 Accessible*
michael@0 225 XULSelectControlAccessible::CurrentItem()
michael@0 226 {
michael@0 227 if (!mSelectControl)
michael@0 228 return nullptr;
michael@0 229
michael@0 230 nsCOMPtr<nsIDOMXULSelectControlItemElement> currentItemElm;
michael@0 231 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 232 do_QueryInterface(mSelectControl);
michael@0 233 if (multiSelectControl)
michael@0 234 multiSelectControl->GetCurrentItem(getter_AddRefs(currentItemElm));
michael@0 235 else
michael@0 236 mSelectControl->GetSelectedItem(getter_AddRefs(currentItemElm));
michael@0 237
michael@0 238 nsCOMPtr<nsINode> DOMNode;
michael@0 239 if (currentItemElm)
michael@0 240 DOMNode = do_QueryInterface(currentItemElm);
michael@0 241
michael@0 242 if (DOMNode) {
michael@0 243 DocAccessible* document = Document();
michael@0 244 if (document)
michael@0 245 return document->GetAccessible(DOMNode);
michael@0 246 }
michael@0 247
michael@0 248 return nullptr;
michael@0 249 }
michael@0 250
michael@0 251 void
michael@0 252 XULSelectControlAccessible::SetCurrentItem(Accessible* aItem)
michael@0 253 {
michael@0 254 if (!mSelectControl)
michael@0 255 return;
michael@0 256
michael@0 257 nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
michael@0 258 do_QueryInterface(aItem->GetContent());
michael@0 259 nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
michael@0 260 do_QueryInterface(mSelectControl);
michael@0 261 if (multiSelectControl)
michael@0 262 multiSelectControl->SetCurrentItem(itemElm);
michael@0 263 else
michael@0 264 mSelectControl->SetSelectedItem(itemElm);
michael@0 265 }

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