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Backed out changeset 52fd69cc794c (bug 982842) for causing regressions on request by zac

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This commit is contained in:
Carsten "Tomcat" Book 2014-10-15 16:23:39 +02:00
parent 0a65678db2
commit ff46a6e4ec
33 changed files with 18 additions and 850 deletions
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88
accessible/atk/AccessibleWrap.cpp
View File

@ -12,7 +12,6 @@
#include "nsAccUtils.h"
#include "nsIAccessibleRelation.h"
#include "nsIAccessibleTable.h"
#include "ProxyAccessible.h"
#include "RootAccessible.h"
#include "nsIAccessibleValue.h"
#include "nsMai.h"
@ -21,7 +20,6 @@
#include "nsAutoPtr.h"
#include "prprf.h"
#include "nsStateMap.h"
#include "mozilla/a11y/Platform.h"
#include "Relation.h"
#include "RootAccessible.h"
#include "States.h"
@ -135,13 +133,9 @@ struct MaiAtkObject
* The AccessibleWrap whose properties and features are exported
* via this object instance.
*/
uintptr_t accWrap;
AccessibleWrap* accWrap;
};
// This is or'd with the pointer in MaiAtkObject::accWrap if the wrap-ee is a
// proxy.
static const uintptr_t IS_PROXY = 1;
struct MaiAtkObjectClass
{
AtkObjectClass parent_class;
@ -254,7 +248,7 @@ AccessibleWrap::ShutdownAtkObject()
{
if (mAtkObject) {
if (IS_MAI_OBJECT(mAtkObject)) {
MAI_ATK_OBJECT(mAtkObject)->accWrap = 0;
MAI_ATK_OBJECT(mAtkObject)->accWrap = nullptr;
}
SetMaiHyperlink(nullptr);
g_object_unref(mAtkObject);
@ -588,7 +582,8 @@ initializeCB(AtkObject *aAtkObj, gpointer aData)
ATK_OBJECT_CLASS(parent_class)->initialize(aAtkObj, aData);
/* initialize object */
MAI_ATK_OBJECT(aAtkObj)->accWrap = reinterpret_cast<uintptr_t>(aData);
MAI_ATK_OBJECT(aAtkObj)->accWrap =
static_cast<AccessibleWrap*>(aData);
}
void
@ -596,7 +591,7 @@ finalizeCB(GObject *aObj)
{
if (!IS_MAI_OBJECT(aObj))
return;
NS_ASSERTION(MAI_ATK_OBJECT(aObj)->accWrap == 0, "AccWrap NOT null");
NS_ASSERTION(MAI_ATK_OBJECT(aObj)->accWrap == nullptr, "AccWrap NOT null");
// call parent finalize function
// finalize of GObjectClass will unref the accessible parent if has
@ -668,25 +663,17 @@ getDescriptionCB(AtkObject *aAtkObj)
AtkRole
getRoleCB(AtkObject *aAtkObj)
{
if (aAtkObj->role != ATK_ROLE_INVALID)
return aAtkObj->role;
AccessibleWrap* accWrap = GetAccessibleWrap(aAtkObj);
a11y::role role;
if (!accWrap) {
ProxyAccessible* proxy = GetProxy(aAtkObj);
if (!proxy)
return ATK_ROLE_INVALID;
if (!accWrap)
return ATK_ROLE_INVALID;
role = proxy->Role();
} else {
#ifdef DEBUG
NS_ASSERTION(nsAccUtils::IsTextInterfaceSupportCorrect(accWrap),
"Does not support nsIAccessibleText when it should");
NS_ASSERTION(nsAccUtils::IsTextInterfaceSupportCorrect(accWrap),
"Does not support nsIAccessibleText when it should");
#endif
role = accWrap->Role();
}
if (aAtkObj->role != ATK_ROLE_INVALID)
return aAtkObj->role;
#define ROLE(geckoRole, stringRole, atkRole, macRole, \
msaaRole, ia2Role, nameRule) \
@ -694,7 +681,7 @@ getRoleCB(AtkObject *aAtkObj)
aAtkObj->role = atkRole; \
break;
switch (role) {
switch (accWrap->Role()) {
#include "RoleMap.h"
default:
MOZ_CRASH("Unknown role.");
@ -959,13 +946,7 @@ AccessibleWrap*
GetAccessibleWrap(AtkObject* aAtkObj)
{
NS_ENSURE_TRUE(IS_MAI_OBJECT(aAtkObj), nullptr);
// Make sure its native is an AccessibleWrap not a proxy.
if (MAI_ATK_OBJECT(aAtkObj)->accWrap & IS_PROXY)
return nullptr;
AccessibleWrap* accWrap =
reinterpret_cast<AccessibleWrap*>(MAI_ATK_OBJECT(aAtkObj)->accWrap);
AccessibleWrap* accWrap = MAI_ATK_OBJECT(aAtkObj)->accWrap;
// Check if the accessible was deconstructed.
if (!accWrap)
@ -980,49 +961,6 @@ GetAccessibleWrap(AtkObject* aAtkObj)
return accWrap;
}
ProxyAccessible*
GetProxy(AtkObject* aObj)
{
if (!aObj || !(MAI_ATK_OBJECT(aObj)->accWrap & IS_PROXY))
return nullptr;
return reinterpret_cast<ProxyAccessible*>(MAI_ATK_OBJECT(aObj)->accWrap
& ~IS_PROXY);
}
static uint16_t
GetInterfacesForProxy(ProxyAccessible* aProxy)
{
return MAI_INTERFACE_COMPONENT;
}
void
a11y::ProxyCreated(ProxyAccessible* aProxy)
{
GType type = GetMaiAtkType(GetInterfacesForProxy(aProxy));
NS_ASSERTION(type, "why don't we have a type!");
AtkObject* obj =
reinterpret_cast<AtkObject *>
(g_object_new(type, nullptr));
if (!obj)
return;
atk_object_initialize(obj, aProxy);
obj->role = ATK_ROLE_INVALID;
obj->layer = ATK_LAYER_INVALID;
aProxy->SetWrapper(reinterpret_cast<uintptr_t>(obj) | IS_PROXY);
}
void
a11y::ProxyDestroyed(ProxyAccessible* aProxy)
{
auto obj = reinterpret_cast<MaiAtkObject*>(aProxy->GetWrapper() & ~IS_PROXY);
obj->accWrap = 0;
g_object_unref(obj);
aProxy->SetWrapper(0);
}
nsresult
AccessibleWrap::HandleAccEvent(AccEvent* aEvent)
{

2
accessible/atk/AccessibleWrap.h
View File

@ -97,7 +97,7 @@ private:
static EAvailableAtkSignals gAvailableAtkSignals;
uint16_t CreateMaiInterfaces();
uint16_t CreateMaiInterfaces(void);
};
} // namespace a11y

1
accessible/atk/moz.build
View File

@ -35,7 +35,6 @@ LOCAL_INCLUDES += [
'/accessible/base',
'/accessible/generic',
'/accessible/html',
'/accessible/ipc',
'/accessible/xpcom',
'/accessible/xul',
'/other-licenses/atk-1.0',

7
accessible/atk/nsMai.h
View File

@ -13,12 +13,6 @@
#include "AccessibleWrap.h"
namespace mozilla {
namespace a11y {
class ProxyAccessible;
}
}
#define MAI_TYPE_ATK_OBJECT (mai_atk_object_get_type ())
#define MAI_ATK_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
MAI_TYPE_ATK_OBJECT, MaiAtkObject))
@ -35,7 +29,6 @@ class ProxyAccessible;
GType mai_atk_object_get_type(void);
GType mai_util_get_type();
mozilla::a11y::AccessibleWrap* GetAccessibleWrap(AtkObject* aAtkObj);
mozilla::a11y::ProxyAccessible* GetProxy(AtkObject* aAtkObj);
extern int atkMajorVersion, atkMinorVersion;

2
accessible/base/AccEvent.h
View File

@ -232,8 +232,6 @@ public:
bool IsShow() const { return mEventType == nsIAccessibleEvent::EVENT_SHOW; }
bool IsHide() const { return mEventType == nsIAccessibleEvent::EVENT_HIDE; }
Accessible* Parent() const { return mParent; }
protected:
nsCOMPtr<nsINode> mNode;
nsRefPtr<Accessible> mParent;

9
accessible/base/DocManager.cpp
View File

@ -8,7 +8,6 @@
#include "ApplicationAccessible.h"
#include "ARIAMap.h"
#include "DocAccessible-inl.h"
#include "DocAccessibleChild.h"
#include "nsAccessibilityService.h"
#include "RootAccessibleWrap.h"
@ -28,8 +27,6 @@
#include "nsServiceManagerUtils.h"
#include "nsIWebProgress.h"
#include "nsCoreUtils.h"
#include "nsXULAppAPI.h"
#include "mozilla/dom/ContentChild.h"
using namespace mozilla;
using namespace mozilla::a11y;
@ -421,12 +418,6 @@ DocManager::CreateDocOrRootAccessible(nsIDocument* aDocument)
docAcc->FireDelayedEvent(nsIAccessibleEvent::EVENT_REORDER,
ApplicationAcc());
if (XRE_GetProcessType() != GeckoProcessType_Default) {
DocAccessibleChild* ipcDoc = new DocAccessibleChild(docAcc);
docAcc->SetIPCDoc(ipcDoc);
auto contentChild = dom::ContentChild::GetSingleton();
contentChild->SendPDocAccessibleConstructor(ipcDoc, nullptr, 0);
}
} else {
parentDocAcc->BindChildDocument(docAcc);
}

25
accessible/base/DocManager.h
View File

@ -17,7 +17,6 @@ namespace a11y {
class Accessible;
class DocAccessible;
class DocAccessibleParent;
/**
* Manage the document accessible life cycle.
@ -66,25 +65,6 @@ public:
RemoveListeners(aDocument);
}
/*
* Notification that a top level document in a content process has gone away.
*/
void RemoteDocShutdown(DocAccessibleParent* aDoc)
{
DebugOnly<bool> result = mRemoteDocuments.RemoveElement(aDoc);
MOZ_ASSERT(result, "Why didn't we find the document!");
}
/*
* Notify of a new top level document in a content process.
*/
void RemoteDocAdded(DocAccessibleParent* aDoc)
{
MOZ_ASSERT(!mRemoteDocuments.Contains(aDoc),
"How did we already have the doc!");
mRemoteDocuments.AppendElement(aDoc);
}
#ifdef DEBUG
bool IsProcessingRefreshDriverNotification() const;
#endif
@ -164,11 +144,6 @@ private:
#endif
DocAccessibleHashtable mDocAccessibleCache;
/*
* The list of remote top level documents.
*/
nsTArray<DocAccessibleParent*> mRemoteDocuments;
};
/**

11
accessible/base/EventQueue.cpp
View File

@ -8,7 +8,6 @@
#include "Accessible-inl.h"
#include "nsEventShell.h"
#include "DocAccessible.h"
#include "DocAccessibleChild.h"
#include "nsAccessibilityService.h"
#include "nsTextEquivUtils.h"
#ifdef A11Y_LOG
@ -556,15 +555,5 @@ EventQueue::ProcessEventQueue()
if (!mDocument)
return;
if (XRE_GetProcessType() != GeckoProcessType_Default) {
DocAccessibleChild* ipcDoc = mDocument->IPCDoc();
if (event->mEventType == nsIAccessibleEvent::EVENT_SHOW)
ipcDoc->ShowEvent(downcast_accEvent(event));
else if (event->mEventType == nsIAccessibleEvent::EVENT_HIDE)
ipcDoc->SendHideEvent(reinterpret_cast<uintptr_t>(event->GetAccessible()));
else
ipcDoc->SendEvent(event->GetEventType());
}
}
}

15
accessible/base/NotificationController.cpp
View File

@ -6,11 +6,9 @@
#include "NotificationController.h"
#include "DocAccessible-inl.h"
#include "DocAccessibleChild.h"
#include "TextLeafAccessible.h"
#include "TextUpdater.h"
#include "mozilla/dom/ContentChild.h"
#include "mozilla/dom/Element.h"
#include "mozilla/Telemetry.h"
@ -219,19 +217,8 @@ NotificationController::WillRefresh(mozilla::TimeStamp aTime)
if (ownerContent) {
Accessible* outerDocAcc = mDocument->GetAccessible(ownerContent);
if (outerDocAcc && outerDocAcc->AppendChild(childDoc)) {
if (mDocument->AppendChildDocument(childDoc)) {
if (XRE_GetProcessType() != GeckoProcessType_Default) {
DocAccessibleChild* ipcDoc = new DocAccessibleChild(childDoc);
childDoc->SetIPCDoc(ipcDoc);
auto contentChild = dom::ContentChild::GetSingleton();
DocAccessibleChild* parentIPCDoc = mDocument->IPCDoc();
uint64_t id = reinterpret_cast<uintptr_t>(outerDocAcc->UniqueID());
contentChild->SendPDocAccessibleConstructor(ipcDoc, parentIPCDoc,
id);
}
if (mDocument->AppendChildDocument(childDoc))
continue;
}
outerDocAcc->RemoveChild(childDoc);
}

13
accessible/base/Platform.h
View File

@ -7,8 +7,6 @@
namespace mozilla {
namespace a11y {
class ProxyAccessible;
enum EPlatformDisabledState {
ePlatformIsForceEnabled = -1,
ePlatformIsEnabled = 0,
@ -49,17 +47,6 @@ void PlatformInit();
*/
void PlatformShutdown();
/**
* called when a new ProxyAccessible is created, so the platform may setup a
* wrapper for it, or take other action.
*/
void ProxyCreated(ProxyAccessible*);
/**
* Called just before a ProxyAccessible is destroyed so its wrapper can be
* disposed of and other action taken.
*/
void ProxyDestroyed(ProxyAccessible*);
} // namespace a11y
} // namespace mozilla

4
accessible/base/Role.h
View File

@ -783,9 +783,7 @@ enum Role {
/**
* Represent a keyboard or keypad key (ARIA role "key").
*/
KEY = 129,
LAST_ROLE = KEY
KEY = 129
};
} // namespace role

3
accessible/base/moz.build
View File

@ -60,7 +60,6 @@ if CONFIG['A11Y_LOG']:
LOCAL_INCLUDES += [
'/accessible/generic',
'/accessible/html',
'/accessible/ipc',
'/accessible/xpcom',
'/accessible/xul',
'/dom/xbl',
@ -94,5 +93,3 @@ FINAL_LIBRARY = 'xul'
if CONFIG['MOZ_ENABLE_GTK']:
CXXFLAGS += CONFIG['MOZ_CAIRO_CFLAGS']
include('/ipc/chromium/chromium-config.mozbuild')

16
accessible/generic/DocAccessible.cpp
View File

@ -6,7 +6,6 @@
#include "Accessible-inl.h"
#include "AccIterator.h"
#include "DocAccessible-inl.h"
#include "DocAccessibleChild.h"
#include "HTMLImageMapAccessible.h"
#include "nsAccCache.h"
#include "nsAccessiblePivot.h"
@ -84,7 +83,7 @@ DocAccessible::
mScrollPositionChangedTicks(0),
mLoadState(eTreeConstructionPending), mDocFlags(0), mLoadEventType(0),
mVirtualCursor(nullptr),
mPresShell(aPresShell), mIPCDoc(nullptr)
mPresShell(aPresShell)
{
mGenericTypes |= eDocument;
mStateFlags |= eNotNodeMapEntry;
@ -474,12 +473,6 @@ DocAccessible::Shutdown()
mChildDocuments.Clear();
// XXX thinking about ordering?
if (XRE_GetProcessType() != GeckoProcessType_Default) {
DocAccessibleChild::Send__delete__(mIPCDoc);
MOZ_ASSERT(!mIPCDoc);
}
if (mVirtualCursor) {
mVirtualCursor->RemoveObserver(this);
mVirtualCursor = nullptr;
@ -1453,13 +1446,6 @@ DocAccessible::DoInitialUpdate()
nsRefPtr<AccReorderEvent> reorderEvent = new AccReorderEvent(Parent());
ParentDocument()->FireDelayedEvent(reorderEvent);
}
uint32_t childCount = ChildCount();
for (uint32_t i = 0; i < childCount; i++) {
Accessible* child = GetChildAt(i);
nsRefPtr<AccShowEvent> event = new AccShowEvent(child, child->GetContent());
FireDelayedEvent(event);
}
}
void

18
accessible/generic/DocAccessible.h
View File

@ -33,7 +33,6 @@ namespace a11y {
class DocManager;
class NotificationController;
class DocAccessibleChild;
class RelatedAccIterator;
template<class Class, class Arg>
class TNotification;
@ -520,20 +519,6 @@ protected:
*/
bool IsLoadEventTarget() const;
/**
* If this document is in a content process return the object responsible for
* communicating with the main process for it.
*/
DocAccessibleChild* IPCDoc() const { return mIPCDoc; }
/*
* Set the object responsible for communicating with the main process on
* behalf of this document.
*/
void SetIPCDoc(DocAccessibleChild* aIPCDoc) { mIPCDoc = aIPCDoc; }
friend class DocAccessibleChild;
/**
* Used to fire scrolling end event after page scroll.
*
@ -657,9 +642,6 @@ protected:
private:
nsIPresShell* mPresShell;
// Exclusively owned by IPDL so don't manually delete it!
DocAccessibleChild* mIPCDoc;
};
inline DocAccessible*

3
accessible/generic/moz.build
View File

@ -28,7 +28,6 @@ UNIFIED_SOURCES += [
LOCAL_INCLUDES += [
'/accessible/base',
'/accessible/html',
'/accessible/ipc',
'/accessible/xpcom',
'/accessible/xul',
'/content/base/src',
@ -55,5 +54,3 @@ else:
]
FINAL_LIBRARY = 'xul'
include('/ipc/chromium/chromium-config.mozbuild')

40
accessible/ipc/DocAccessibleChild.cpp
View File

@ -1,40 +0,0 @@
/* -*- 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/. */
#include "DocAccessibleChild.h"
#include "Accessible-inl.h"
namespace mozilla {
namespace a11y {
void
SerializeTree(Accessible* aRoot, nsTArray<AccessibleData>& aTree)
{
uint64_t id = reinterpret_cast<uint64_t>(aRoot->UniqueID());
uint32_t role = aRoot->Role();
uint32_t childCount = aRoot->ChildCount();
nsString name;
aRoot->Name(name);
aTree.AppendElement(AccessibleData(id, role, childCount, name));
for (uint32_t i = 0; i < childCount; i++)
SerializeTree(aRoot->GetChildAt(i), aTree);
}
void
DocAccessibleChild::ShowEvent(AccShowEvent* aShowEvent)
{
Accessible* parent = aShowEvent->Parent();
uint64_t parentID = parent->IsDoc() ? 0 : reinterpret_cast<uint64_t>(parent->UniqueID());
uint32_t idxInParent = aShowEvent->GetAccessible()->IndexInParent();
nsTArray<AccessibleData> shownTree;
ShowEventData data(parentID, idxInParent, shownTree);
SerializeTree(aShowEvent->GetAccessible(), data.NewTree());
SendShowEvent(data);
}
}
}

43
accessible/ipc/DocAccessibleChild.h
View File

@ -1,43 +0,0 @@
/* -*- 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_DocAccessibleChild_h
#define mozilla_a11y_DocAccessibleChild_h
#include "mozilla/a11y/DocAccessible.h"
#include "mozilla/a11y/PDocAccessibleChild.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace a11y {
class AccShowEvent;
/*
* These objects handle content side communication for an accessible document,
* and their lifetime is the same as the document they represent.
*/
class DocAccessibleChild : public PDocAccessibleChild
{
public:
DocAccessibleChild(DocAccessible* aDoc) :
mDoc(aDoc)
{ MOZ_COUNT_CTOR(DocAccessibleChild); }
~DocAccessibleChild()
{
mDoc->SetIPCDoc(nullptr);
MOZ_COUNT_DTOR(DocAccessibleChild);
}
void ShowEvent(AccShowEvent* aShowEvent);
private:
DocAccessible* mDoc;
};
}
}
#endif

114
accessible/ipc/DocAccessibleParent.cpp
View File

@ -1,114 +0,0 @@
/* -*- 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/. */
#include "DocAccessibleParent.h"
#include "nsAutoPtr.h"
#include "mozilla/a11y/Platform.h"
namespace mozilla {
namespace a11y {
bool
DocAccessibleParent::RecvShowEvent(const ShowEventData& aData)
{
if (aData.NewTree().IsEmpty()) {
NS_ERROR("no children being added");
return false;
}
ProxyAccessible* parent = nullptr;
if (aData.ID()) {
ProxyEntry* e = mAccessibles.GetEntry(aData.ID());
if (e)
parent = e->mProxy;
} else {
parent = this;
}
// XXX This should really never happen, but sometimes we fail to fire the
// required show events.
if (!parent) {
NS_ERROR("adding child to unknown accessible");
return false;
}
uint32_t newChildIdx = aData.Idx();
if (newChildIdx > parent->ChildrenCount()) {
NS_ERROR("invalid index to add child at");
return false;
}
uint32_t consumed = AddSubtree(parent, aData.NewTree(), 0, newChildIdx);
MOZ_ASSERT(consumed == aData.NewTree().Length());
for (uint32_t i = 0; i < consumed; i++) {
uint64_t id = aData.NewTree()[i].ID();
MOZ_ASSERT(mAccessibles.GetEntry(id));
}
return consumed;
}
uint32_t
DocAccessibleParent::AddSubtree(ProxyAccessible* aParent,
const nsTArray<a11y::AccessibleData>& aNewTree,
uint32_t aIdx, uint32_t aIdxInParent)
{
if (aNewTree.Length() <= aIdx) {
NS_ERROR("bad index in serialized tree!");
return 0;
}
const AccessibleData& newChild = aNewTree[aIdx];
if (newChild.Role() > roles::LAST_ROLE) {
NS_ERROR("invalid role");
return 0;
}
auto role = static_cast<a11y::role>(newChild.Role());
ProxyAccessible* newProxy =
new ProxyAccessible(newChild.ID(), aParent, this, role, newChild.Name());
aParent->AddChildAt(aIdxInParent, newProxy);
mAccessibles.PutEntry(newChild.ID())->mProxy = newProxy;
ProxyCreated(newProxy);
uint32_t accessibles = 1;
uint32_t kids = newChild.ChildrenCount();
for (uint32_t i = 0; i < kids; i++) {
uint32_t consumed = AddSubtree(newProxy, aNewTree, aIdx + accessibles, i);
if (!consumed)
return 0;
accessibles += consumed;
}
MOZ_ASSERT(newProxy->ChildrenCount() == kids);
return accessibles;
}
bool
DocAccessibleParent::RecvHideEvent(const uint64_t& aRootID)
{
ProxyEntry* rootEntry = mAccessibles.GetEntry(aRootID);
if (!rootEntry) {
NS_ERROR("invalid root being removed!");
return true;
}
ProxyAccessible* root = rootEntry->mProxy;
if (!root) {
NS_ERROR("invalid root being removed!");
return true;
}
ProxyAccessible* parent = root->Parent();
parent->RemoveChild(root);
root->Shutdown();
return true;
}
}
}

141
accessible/ipc/DocAccessibleParent.h
View File

@ -1,141 +0,0 @@
/* -*- 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_DocAccessibleParent_h
#define mozilla_a11y_DocAccessibleParent_h
#include "nsAccessibilityService.h"
#include "ProxyAccessible.h"
#include "mozilla/a11y/PDocAccessibleParent.h"
#include "nsClassHashtable.h"
#include "nsHashKeys.h"
#include "nsISupportsImpl.h"
namespace mozilla {
namespace a11y {
/*
* These objects live in the main process and comunicate with and represent
* an accessible document in a content process.
*/
class DocAccessibleParent : public ProxyAccessible,
public PDocAccessibleParent
{
public:
DocAccessibleParent() :
mParentDoc(nullptr)
{ MOZ_COUNT_CTOR_INHERITED(DocAccessibleParent, ProxyAccessible); }
~DocAccessibleParent()
{
MOZ_COUNT_DTOR_INHERITED(DocAccessibleParent, ProxyAccessible);
MOZ_ASSERT(mChildDocs.Length() == 0);
MOZ_ASSERT(!mParentDoc);
}
/*
* Called when a message from a document in a child process notifies the main
* process it is firing an event.
*/
virtual bool RecvEvent(const uint32_t& aType) MOZ_OVERRIDE
{
return true;
}
virtual bool RecvShowEvent(const ShowEventData& aData) MOZ_OVERRIDE;
virtual bool RecvHideEvent(const uint64_t& aRootID) MOZ_OVERRIDE;
virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE
{
MOZ_ASSERT(mChildDocs.IsEmpty(),
"why wheren't the child docs destroyed already?");
mParentDoc ? mParentDoc->RemoveChildDoc(this)
: GetAccService()->RemoteDocShutdown(this);
}
/*
* Return the main processes representation of the parent document (if any)
* of the document this object represents.
*/
DocAccessibleParent* Parent() const { return mParentDoc; }
/*
* Called when a document in a content process notifies the main process of a
* new child document.
*/
bool AddChildDoc(DocAccessibleParent* aChildDoc, uint64_t aParentID)
{
ProxyAccessible* outerDoc = mAccessibles.GetEntry(aParentID)->mProxy;
if (!outerDoc)
return false;
aChildDoc->mParent = outerDoc;
outerDoc->SetChildDoc(aChildDoc);
mChildDocs.AppendElement(aChildDoc);
aChildDoc->mParentDoc = this;
return true;
}
/*
* Called when the document in the content process this object represents
* notifies the main process a child document has been removed.
*/
void RemoveChildDoc(DocAccessibleParent* aChildDoc)
{
aChildDoc->mParent->SetChildDoc(nullptr);
mChildDocs.RemoveElement(aChildDoc);
aChildDoc->mParentDoc = nullptr;
MOZ_ASSERT(aChildDoc->mChildDocs.Length() == 0);
}
void RemoveAccessible(ProxyAccessible* aAccessible)
{
MOZ_ASSERT(mAccessibles.GetEntry(aAccessible->ID()));
mAccessibles.RemoveEntry(aAccessible->ID());
}
private:
class ProxyEntry : public PLDHashEntryHdr
{
public:
ProxyEntry(const void*) : mProxy(nullptr) {}
ProxyEntry(ProxyEntry&& aOther) :
mProxy(aOther.mProxy) { aOther.mProxy = nullptr; }
~ProxyEntry() { delete mProxy; }
typedef uint64_t KeyType;
typedef const void* KeyTypePointer;
bool KeyEquals(const void* aKey) const
{ return mProxy->ID() == (uint64_t)aKey; }
static const void* KeyToPointer(uint64_t aKey) { return (void*)aKey; }
static PLDHashNumber HashKey(const void* aKey) { return (uint64_t)aKey; }
enum { ALLOW_MEMMOVE = true };
ProxyAccessible* mProxy;
};
uint32_t AddSubtree(ProxyAccessible* aParent,
const nsTArray<AccessibleData>& aNewTree, uint32_t aIdx,
uint32_t aIdxInParent);
nsTArray<DocAccessibleParent*> mChildDocs;
DocAccessibleParent* mParentDoc;
/*
* Conceptually this is a map from IDs to proxies, but we store the ID in the
* proxy object so we can't use a real map.
*/
nsTHashtable<ProxyEntry> mAccessibles;
};
}
}
#endif

44
accessible/ipc/PDocAccessible.ipdl
View File

@ -1,44 +0,0 @@
/* -*- 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/. */
include protocol PContent;
namespace mozilla {
namespace a11y {
struct AccessibleData
{
uint64_t ID;
uint32_t Role;
uint32_t ChildrenCount;
nsString Name;
};
struct ShowEventData
{
uint64_t ID;
uint32_t Idx;
AccessibleData[] NewTree;
};
protocol PDocAccessible
{
manager PContent;
parent:
__delete__();
/*
* Notify the parent process the document in the child process is firing an
* event.
*/
Event(uint32_t type);
ShowEvent(ShowEventData data);
HideEvent(uint64_t aRootID);
};
}
}

42
accessible/ipc/ProxyAccessible.cpp
View File

@ -1,42 +0,0 @@
/* -*- 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/. */
#include "ProxyAccessible.h"
#include "DocAccessibleParent.h"
#include "mozilla/a11y/Platform.h"
namespace mozilla {
namespace a11y {
void
ProxyAccessible::Shutdown()
{
MOZ_ASSERT(!mOuterDoc);
uint32_t childCount = mChildren.Length();
for (uint32_t idx = 0; idx < childCount; idx++)
mChildren[idx]->Shutdown();
mChildren.Clear();
ProxyDestroyed(this);
mDoc->RemoveAccessible(this);
}
void
ProxyAccessible::SetChildDoc(DocAccessibleParent* aParent)
{
if (aParent) {
MOZ_ASSERT(mChildren.IsEmpty());
mChildren.AppendElement(aParent);
mOuterDoc = true;
} else {
MOZ_ASSERT(mChildren.Length() == 1);
mChildren.Clear();
mOuterDoc = false;
}
}
}
}

88
accessible/ipc/ProxyAccessible.h
View File

@ -1,88 +0,0 @@
/* -*- 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_ProxyAccessible_h
#define mozilla_a11y_ProxyAccessible_h
#include "mozilla/a11y/Role.h"
#include "nsString.h"
#include "nsTArray.h"
namespace mozilla {
namespace a11y {
class DocAccessibleParent;
class ProxyAccessible
{
public:
ProxyAccessible(uint64_t aID, ProxyAccessible* aParent,
DocAccessibleParent* aDoc, role aRole,
const nsString& aName) :
mParent(aParent), mDoc(aDoc), mID(aID), mRole(aRole), mOuterDoc(false), mName(aName)
{
MOZ_COUNT_CTOR(ProxyAccessible);
}
~ProxyAccessible() { MOZ_COUNT_DTOR(ProxyAccessible); }
void AddChildAt(uint32_t aIdx, ProxyAccessible* aChild)
{ mChildren.InsertElementAt(aIdx, aChild); }
uint32_t ChildrenCount() const { return mChildren.Length(); }
void Shutdown();
void SetChildDoc(DocAccessibleParent*);
/**
* Remove The given child.
*/
void RemoveChild(ProxyAccessible* aChild)
{ mChildren.RemoveElement(aChild); }
/**
* Return the proxy for the parent of the wrapped accessible.
*/
ProxyAccessible* Parent() const { return mParent; }
/**
* Get the role of the accessible we're proxying.
*/
role Role() const { return mRole; }
/**
* Allow the platform to store a pointers worth of data on us.
*/
uintptr_t GetWrapper() const { return mWrapper; }
void SetWrapper(uintptr_t aWrapper) { mWrapper = aWrapper; }
/*
* Return the ID of the accessible being proxied.
*/
uint64_t ID() const { return mID; }
protected:
ProxyAccessible() :
mParent(nullptr), mDoc(nullptr) { MOZ_COUNT_CTOR(ProxyAccessible); }
protected:
ProxyAccessible* mParent;
private:
nsTArray<ProxyAccessible*> mChildren;
DocAccessibleParent* mDoc;
uintptr_t mWrapper;
uint64_t mID;
role mRole : 31;
bool mOuterDoc : 1;
nsString mName;
};
}
}
#endif

31
accessible/ipc/moz.build
View File

@ -1,31 +0,0 @@
# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
IPDL_SOURCES += ['PDocAccessible.ipdl']
# with --disable-accessibility we need to compile PDocAccessible.ipdl, but not
# the C++.
if CONFIG['ACCESSIBILITY']:
EXPORTS.mozilla.a11y += [
'DocAccessibleChild.h',
'DocAccessibleParent.h',
'ProxyAccessible.h'
]
SOURCES += [
'DocAccessibleChild.cpp',
'DocAccessibleParent.cpp',
'ProxyAccessible.cpp'
]
LOCAL_INCLUDES += [
'../base',
'../generic',
]
FINAL_LIBRARY = 'xul'
include('/ipc/chromium/chromium-config.mozbuild')

9
accessible/mac/Platform.mm
View File

@ -33,15 +33,6 @@ PlatformShutdown()
{
}
void
ProxyCreated(ProxyAccessible*)
{
}
void
ProxyDestroyed(ProxyAccessible*)
{
}
}
}

2
accessible/moz.build
View File

@ -15,7 +15,7 @@ elif toolkit == 'cocoa':
else:
DIRS += ['other']
DIRS += ['base', 'generic', 'html', 'interfaces', 'ipc', 'jsat', 'xpcom']
DIRS += ['base', 'generic', 'html', 'interfaces', 'jsat', 'xpcom']
if CONFIG['MOZ_XUL']:
DIRS += ['xul']

10
accessible/other/Platform.cpp
View File

@ -18,13 +18,3 @@ void
a11y::PlatformShutdown()
{
}
void
a11y::ProxyCreated(ProxyAccessible*)
{
}
void
a11y::ProxyDestroyed(ProxyAccessible*)
{
}

9
accessible/windows/msaa/Platform.cpp
View File

@ -34,12 +34,3 @@ a11y::PlatformShutdown()
nsWinUtils::ShutdownWindowEmulation();
}
void
a11y::ProxyCreated(ProxyAccessible*)
{
}
void
a11y::ProxyDestroyed(ProxyAccessible*)
{
}

19
dom/ipc/ContentChild.cpp
View File

@ -19,9 +19,6 @@
#include "TabChild.h"
#include "mozilla/Attributes.h"
#ifdef ACCESSIBILITY
#include "mozilla/a11y/DocAccessibleChild.h"
#endif
#include "mozilla/Preferences.h"
#include "mozilla/dom/ContentBridgeChild.h"
#include "mozilla/dom/ContentBridgeParent.h"
@ -734,22 +731,6 @@ ContentChild::InitXPCOM()
InitOnContentProcessCreated();
}
a11y::PDocAccessibleChild*
ContentChild::AllocPDocAccessibleChild(PDocAccessibleChild*, const uint64_t&)
{
MOZ_ASSERT(false, "should never call this!");
return nullptr;
}
bool
ContentChild::DeallocPDocAccessibleChild(a11y::PDocAccessibleChild* aChild)
{
#ifdef ACCESSIBILITY
delete static_cast<mozilla::a11y::DocAccessibleChild*>(aChild);
#endif
return true;
}
PMemoryReportRequestChild*
ContentChild::AllocPMemoryReportRequestChild(const uint32_t& aGeneration,
const bool &aAnonymize,

2
dom/ipc/ContentChild.h
View File

@ -382,8 +382,6 @@ public:
const uint64_t& aID,
const bool& aIsForApp,
const bool& aIsForBrowser) MOZ_OVERRIDE;
virtual PDocAccessibleChild* AllocPDocAccessibleChild(PDocAccessibleChild*, const uint64_t&) MOZ_OVERRIDE;
virtual bool DeallocPDocAccessibleChild(PDocAccessibleChild*) MOZ_OVERRIDE;
void GetAvailableDictionaries(InfallibleTArray<nsString>& aDictionaries);

40
dom/ipc/ContentParent.cpp
View File

@ -30,10 +30,6 @@
#include "CrashReporterParent.h"
#include "IHistory.h"
#include "mozIApplication.h"
#ifdef ACCESSIBILITY
#include "mozilla/a11y/DocAccessibleParent.h"
#include "nsAccessibilityService.h"
#endif
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/dom/DataStoreService.h"
#include "mozilla/dom/DOMStorageIPC.h"
@ -2710,42 +2706,6 @@ ContentParent::Observe(nsISupports* aSubject,
return NS_OK;
}
a11y::PDocAccessibleParent*
ContentParent::AllocPDocAccessibleParent(PDocAccessibleParent* aParent, const uint64_t&)
{
#ifdef ACCESSIBILITY
return new a11y::DocAccessibleParent();
#else
return nullptr;
#endif
}
bool
ContentParent::DeallocPDocAccessibleParent(PDocAccessibleParent* aParent)
{
#ifdef ACCESSIBILITY
delete static_cast<a11y::DocAccessibleParent*>(aParent);
#endif
return true;
}
bool
ContentParent::RecvPDocAccessibleConstructor(PDocAccessibleParent* aDoc, PDocAccessibleParent* aParentDoc, const uint64_t& aParentID)
{
#ifdef ACCESSIBILITY
auto doc = static_cast<a11y::DocAccessibleParent*>(aDoc);
if (aParentDoc) {
MOZ_ASSERT(aParentID);
auto parentDoc = static_cast<a11y::DocAccessibleParent*>(aParentDoc);
return parentDoc->AddChildDoc(doc, aParentID);
} else {
MOZ_ASSERT(!aParentID);
GetAccService()->RemoteDocAdded(doc);
}
#endif
return true;
}
PCompositorParent*
ContentParent::AllocPCompositorParent(mozilla::ipc::Transport* aTransport,
base::ProcessId aOtherProcess)

5
dom/ipc/ContentParent.h
View File

@ -679,11 +679,6 @@ private:
int32_t* aSliceRefCnt,
bool* aResult) MOZ_OVERRIDE;
virtual PDocAccessibleParent* AllocPDocAccessibleParent(PDocAccessibleParent*, const uint64_t&) MOZ_OVERRIDE;
virtual bool DeallocPDocAccessibleParent(PDocAccessibleParent*) MOZ_OVERRIDE;
virtual bool RecvPDocAccessibleConstructor(PDocAccessibleParent* aDoc,
PDocAccessibleParent* aParentDoc, const uint64_t& aParentID) MOZ_OVERRIDE;
// If you add strong pointers to cycle collected objects here, be sure to
// release these objects in ShutDownProcess. See the comment there for more
// details.

10
dom/ipc/PContent.ipdl
View File

@ -14,7 +14,6 @@ include protocol PCompositor;
include protocol PContentBridge;
include protocol PCycleCollectWithLogs;
include protocol PCrashReporter;
include protocol PDocAccessible;
include protocol PExternalHelperApp;
include protocol PDeviceStorageRequest;
include protocol PFileDescriptorSet;
@ -334,7 +333,6 @@ prio(normal upto high) intr protocol PContent
manages PCellBroadcast;
manages PCrashReporter;
manages PCycleCollectWithLogs;
manages PDocAccessible;
manages PDeviceStorageRequest;
manages PFileSystemRequest;
manages PExternalHelperApp;
@ -493,14 +491,6 @@ child:
OnAppThemeChanged();
parent:
/**
* Tell the parent process a new accessible document has been created.
* aParentDoc is the accessible document it was created in if any, and
* aParentAcc is the id of the accessible in that document the new document
* is a child of.
*/
PDocAccessible(nullable PDocAccessible aParentDoc, uint64_t aParentAcc);
/**
* Tell the content process some attributes of itself. This is
* among the first information queried by content processes after

2
toolkit/toolkit.mozbuild
View File

@ -121,8 +121,6 @@ if CONFIG['MOZ_UNIVERSALCHARDET']:
if CONFIG['ACCESSIBILITY']:
DIRS += ['/accessible']
else:
DIRS += ['/accessible/ipc']
# toolkit