зеркало из https://github.com/mozilla/gecko-dev.git
98 строки
2.8 KiB
C++
98 строки
2.8 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
|
|
* 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/. */
|
|
|
|
#include "RootAccessibleWrap.h"
|
|
|
|
#include "Accessible-inl.h"
|
|
#include "AccessibleOrProxy.h"
|
|
#include "DocAccessibleParent.h"
|
|
#include "ProxyAccessibleWrap.h"
|
|
#include "SessionAccessibility.h"
|
|
#include "mozilla/PresShell.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::a11y;
|
|
|
|
RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDoc,
|
|
PresShell* aPresShell)
|
|
: RootAccessible(aDoc, aPresShell) {}
|
|
|
|
RootAccessibleWrap::~RootAccessibleWrap() {}
|
|
|
|
AccessibleWrap* RootAccessibleWrap::GetContentAccessible() {
|
|
if (ProxyAccessible* proxy = GetPrimaryRemoteTopLevelContentDoc()) {
|
|
return WrapperFor(proxy);
|
|
}
|
|
|
|
// Find first document that is not defunct or hidden.
|
|
// This is exclusively for Fennec which has a deck of browser elements.
|
|
// Otherwise, standard GeckoView will only have one browser element.
|
|
for (size_t i = 0; i < ChildDocumentCount(); i++) {
|
|
DocAccessible* childDoc = GetChildDocumentAt(i);
|
|
if (childDoc && !childDoc->IsDefunct() && !childDoc->IsHidden()) {
|
|
return childDoc;
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
AccessibleWrap* RootAccessibleWrap::FindAccessibleById(int32_t aID) {
|
|
AccessibleWrap* contentAcc = GetContentAccessible();
|
|
|
|
if (!contentAcc) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (aID == AccessibleWrap::kNoID) {
|
|
return contentAcc;
|
|
}
|
|
|
|
if (contentAcc->IsProxy()) {
|
|
return FindAccessibleById(static_cast<DocProxyAccessibleWrap*>(contentAcc),
|
|
aID);
|
|
}
|
|
|
|
return FindAccessibleById(
|
|
static_cast<DocAccessibleWrap*>(contentAcc->AsDoc()), aID);
|
|
}
|
|
|
|
AccessibleWrap* RootAccessibleWrap::FindAccessibleById(
|
|
DocProxyAccessibleWrap* aDoc, int32_t aID) {
|
|
AccessibleWrap* acc = aDoc->GetAccessibleByID(aID);
|
|
uint32_t index = 0;
|
|
while (!acc) {
|
|
auto child =
|
|
static_cast<DocProxyAccessibleWrap*>(aDoc->GetChildDocumentAt(index++));
|
|
if (!child) {
|
|
break;
|
|
}
|
|
// A child document's id is not in its parent document's hash table.
|
|
if (child->VirtualViewID() == aID) {
|
|
acc = child;
|
|
} else {
|
|
acc = FindAccessibleById(child, aID);
|
|
}
|
|
}
|
|
|
|
return acc;
|
|
}
|
|
|
|
AccessibleWrap* RootAccessibleWrap::FindAccessibleById(DocAccessibleWrap* aDoc,
|
|
int32_t aID) {
|
|
AccessibleWrap* acc = aDoc->GetAccessibleByID(aID);
|
|
uint32_t index = 0;
|
|
while (!acc) {
|
|
auto child =
|
|
static_cast<DocAccessibleWrap*>(aDoc->GetChildDocumentAt(index++));
|
|
if (!child) {
|
|
break;
|
|
}
|
|
acc = FindAccessibleById(child, aID);
|
|
}
|
|
|
|
return acc;
|
|
}
|