Bug 82207. XUL Checkbox working with MSAA. r=jgaunt, sr=hyatt

accessible/public/Makefile.in

@@ -36,6 +36,7 @@ XPIDLSRCS = \
       nsIAccessibleEventReceiver.idl \
       nsIAccessibleEventListener.idl \
       nsIAccessibleSelectable.idl    \
+      nsIAccessibleProvider.idl \
       $(NULL)
 
 EXPORTS = \

accessible/public/makefile.win

@@ -30,6 +30,7 @@ XPIDLSRCS =               \
   .\nsIAccessibleEventReceiver.idl \
   .\nsIAccessibleEventListener.idl \
   .\nsIAccessibleSelectable.idl \
+  .\nsIAccessibleProvider.idl \
   $(NULL)
 
 EXPORTS = \

accessible/public/nsIAccessibilityService.idl

@@ -38,6 +38,7 @@ interface nsIAccessibilityService : nsISupports
   nsIAccessible createHTMLListboxAccessible(in nsIDOMNode aNode, in nsISupports aPresShell);
   nsIAccessible createHTMLSelectOptionAccessible(in nsIDOMNode aNode, in nsIAccessible aAccParent, in nsISupports aPresShell);
   nsIAccessible createHTMLCheckboxAccessible(in nsISupports aFrame);
+  nsIAccessible createXULCheckboxAccessible(in nsIDOMNode aNode);
   nsIAccessible createHTMLRadioButtonAccessible(in nsISupports aFrame);
   nsIAccessible createHTMLButtonAccessible(in nsISupports aFrame);
   nsIAccessible createHTML4ButtonAccessible(in nsISupports aFrame);

accessible/public/nsIAccessibleProvider.idl

@@ -0,0 +1,33 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Mozilla browser.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation. Portions created by Netscape are
+ * Copyright (C) 1999 Netscape Communications Corporation. All
+ * Rights Reserved.
+ * 
+ * Original Author: John Gaunt (jgaunt@netscape.com)
+ * 
+ * Contributor(s): 
+ * John Gaunt
+ */
+
+#include "nsISupports.idl"
+#include "nsIAccessible.idl"
+
+[scriptable, uuid(3f0e3eb0-1dd2-11b2-9605-be5b8e76cf4b)]
+interface nsIAccessibleProvider : nsISupports
+{
+	readonly attribute nsIAccessible accessible;
+};

accessible/src/base/nsAccessibilityService.cpp

@@ -45,10 +45,12 @@
 #include "nsHTMLListboxAccessible.h"
 #include "nsIDOMHTMLAreaElement.h"
 #include "nsHTMLFormControlAccessible.h"
+#include "nsIAccessibleProvider.h"
 #include "nsILink.h"
 #include "nsIDocShellTreeItem.h"
 #include "nsIDOMDocument.h"
 #include "nsIDOMHTMLOptionElement.h"
+#include "nsIDOMXULCheckboxElement.h"
 
 // IFrame
 #include "nsIDocShell.h"
@@ -175,6 +177,19 @@ NS_IMETHODIMP nsAccessibilityService::CreateHTMLCheckboxAccessible(nsISupports *
   return NS_OK;
 }
 
+NS_IMETHODIMP nsAccessibilityService::CreateXULCheckboxAccessible(nsIDOMNode *aNode, nsIAccessible **_retval)
+{
+  nsCOMPtr<nsIWeakReference> weakShell;
+  GetShellFromNode(aNode, getter_AddRefs(weakShell));
+
+  *_retval = new nsHTMLCheckboxAccessible(aNode, weakShell);
+  if (! *_retval) 
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  NS_ADDREF(*_retval);
+  return NS_OK;
+}
+
 /* nsIAccessible createHTMRadioButtonAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
 NS_IMETHODIMP nsAccessibilityService::CreateHTMLRadioButtonAccessible(nsISupports *aFrame, nsIAccessible **_retval)
 {
@@ -340,6 +355,28 @@ NS_IMETHODIMP nsAccessibilityService::CreateHTMLTextFieldAccessible(nsISupports
   return NS_OK;
 }
 
+NS_IMETHODIMP nsAccessibilityService::GetShellFromNode(nsIDOMNode *aNode, nsIWeakReference **aWeakShell)
+{
+  nsCOMPtr<nsIDOMDocument> domDoc;
+  aNode->GetOwnerDocument(getter_AddRefs(domDoc));
+  nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
+  if (!doc)
+    return NS_ERROR_INVALID_ARG;
+
+  // ---- Get the pres shell ----
+  nsCOMPtr<nsIPresShell> shell;
+  doc->GetShellAt(0, getter_AddRefs(shell));
+  if (!shell)
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIWeakReference> weakRef(do_GetWeakReference(shell));
+  
+  *aWeakShell = weakRef;
+  NS_IF_ADDREF(*aWeakShell);
+
+  return NS_OK;
+}
+
 NS_IMETHODIMP nsAccessibilityService::GetInfo(nsISupports* aFrame, nsIFrame** aRealFrame, nsIWeakReference** aShell, nsIDOMNode** aNode)
 {
   NS_ASSERTION(aFrame,"Error -- 1st argument (aFrame) is null!!");
@@ -624,9 +661,12 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
   nsCOMPtr<nsIAccessible> newAcc;
   frame->GetAccessible(getter_AddRefs(newAcc));
 
-  // ---- Try QI'ing node to get nsIAccessible ----
+  // ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
-  if (!newAcc)
+  if (!newAcc) {
-    newAcc = do_QueryInterface(aNode);
+    nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
+    if (accProv)  
+      accProv->GetAccessible(getter_AddRefs(newAcc));
+  }
 
   // ---- If link, create link accessible ----
   if (!newAcc) {

accessible/src/base/nsAccessibilityService.h

@@ -51,6 +51,7 @@ public:
 
 private:
   NS_IMETHOD GetInfo(nsISupports* aFrame, nsIFrame** aRealFrame, nsIWeakReference** aShell, nsIDOMNode** aContent);
+  NS_IMETHOD GetShellFromNode(nsIDOMNode *aNode, nsIWeakReference **weakShell);
   void GetOwnerFor(nsIPresShell *aPresShell, nsIPresShell **aOwnerShell, nsIContent **aOwnerContent);
   nsIContent* FindContentForDocShell(nsIPresShell* aPresShell, nsIContent* aContent, nsIDocShell*  aDocShell);
 

accessible/src/base/nsAccessible.cpp

@@ -623,6 +623,49 @@ NS_IMETHODIMP nsAccessible::GetAccState(PRUint32 *aAccState)
     }
   }
 
+  nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
+  if (content) {
+    nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
+    if (shell) {
+      nsIFrame *frame = nsnull;
+      shell->GetPrimaryFrameFor(content, &frame);
+      if (frame) {
+        /*
+        PRBool isVisible = PR_FALSE, isFinishedLooking = PR_FALSE;
+        nsCOMPtr<nsIPresContext> presContext;
+        shell->GetPresContext(getter_AddRefs(presContext));
+        nsRect twipsRect, pixelsRect;
+        GetAbsoluteFramePosition(presContext, frame, twipsRect, pixelsRect);
+        
+
+        //frame->IsVisibleForPainting(presContext, presContext, PR_TRUE, &isVisible); // 3rd param = bool to check css visibility
+        //frame->CheckVisibility(presContext, 0,1, PR_TRUE, &isFinishedLooking, &isVisible);
+        if (twipsRect.y < 0)
+          *aAccState |= STATE_OFFSCREEN;
+        */
+        nsSize frameSize;
+        frame->GetSize(frameSize);
+        if (frameSize.width == 0)
+          *aAccState |= STATE_INVISIBLE;
+
+      }
+    }
+  }
+
+
+    /**
+   *  called to see if the children of the frame are visible from indexstart to index end.
+   *  this does not change any state. returns PR_TRUE only if the indexes are valid and any of
+   *  the children are visible.  for textframes this index is the character index.
+   *  if aStart = aEnd result will be PR_FALSE
+   *  @param aStart start index of first child from 0-N (number of children)
+   *  @param aEnd   end index of last child from 0-N
+   *  @param aRecurse should this frame talk to siblings to get to the contents other children?
+   *  @param aFinished did this frame have the aEndIndex? or is there more work to do
+   *  @param _retval  return value true or false. false = range is not rendered.
+   */
+  //NS_IMETHOD CheckVisibility(nsIPresContext* aContext, PRInt32 aStartIndex, PRInt32 aEndIndex, PRBool aRecurse, PRBool *aFinished, PRBool *_retval)=0;
+
   return rv;
 }
 

accessible/src/base/nsGenericAccessible.cpp

@@ -25,7 +25,6 @@
 #include "nsIFrame.h"
 #include "nsCOMPtr.h"
 #include "nsIWeakReference.h"
-#include "nsISelectionController.h"
 #include "nsReadableUtils.h"
 #include "nsIContent.h"
 

accessible/src/html/nsHTMLAreaAccessible.cpp

@@ -30,7 +30,6 @@
 #include "nsIServiceManager.h"
 #include "nsIDOMElement.h"
 #include "nsIDOMHTMLAreaElement.h"
-#include "nsGUIEvent.h"
 
 
 // --- area -----

accessible/src/html/nsHTMLFormControlAccessible.cpp

@@ -29,12 +29,12 @@
 #include "nsHTMLAtoms.h"
 #include "nsIDOMHTMLButtonElement.h"
 #include "nsReadableUtils.h"
-#include "nsString.h"
 #include "nsAccessible.h"
 #include "nsIFrame.h"
 #include "nsIDOMHTMLLabelElement.h"
 #include "nsIDOMHTMLFormElement.h"
 #include "nsISelectionController.h"
+#include "nsIDOMXULCheckboxElement.h"
 
 nsHTMLFormControlAccessible::nsHTMLFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
 nsLeafAccessible(aNode, aShell)
@@ -117,25 +117,29 @@ NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccName(nsAWritableString& _retval
 NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccState(PRUint32 *_retval)
 {
   // can be
-  // focusable, focused, checked, protected, unavailable
+  // focusable, focused, protected, unavailable
-  nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlFormElement(do_QueryInterface(mDOMNode));
 
   nsAccessible::GetAccState(_retval);
-  *_retval |= STATE_FOCUSABLE;
-
-  PRBool checked = PR_FALSE;
-  element->GetChecked(&checked);
-  if (checked) *_retval |= STATE_CHECKED;
 
   PRBool disabled = PR_FALSE;
-  element->GetDisabled(&disabled);
+  if (htmlFormElement) {
-  if (disabled)
+    htmlFormElement->GetDisabled(&disabled);
-    *_retval |= STATE_UNAVAILABLE;
-
     nsAutoString typeString;
-  element->GetType(typeString);
+    htmlFormElement->GetType(typeString);
     if (typeString.EqualsIgnoreCase("password"))
       *_retval |= STATE_PROTECTED;
+    }
+  else {
+    nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
+    if (xulFormElement)
+      xulFormElement->GetDisabled(&disabled);
+  }
+
+  if (disabled)
+    *_retval |= STATE_UNAVAILABLE;
+  else 
+    *_retval |= STATE_FOCUSABLE;
 
   return NS_OK;
 }
@@ -164,15 +168,12 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccNumActions(PRUint8 *_retval)
 /* wstring getAccActionName (in PRUint8 index); */
 NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
 {
-  if (index == 0) {
+  if (index == 0) {    // 0 is the magic value for default action
     // check or uncheck
-    nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+    PRUint32 state;
+    GetAccState(&state);
 
-    PRBool checked = PR_FALSE;
+    if (state & STATE_CHECKED)
-    if (element) 
-      element->GetChecked(&checked);
-
-    if (checked)
       _retval = NS_LITERAL_STRING("uncheck");
     else
       _retval = NS_LITERAL_STRING("check");
@@ -186,15 +187,43 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWrita
 NS_IMETHODIMP nsHTMLCheckboxAccessible::AccDoAction(PRUint8 index)
 {
   if (index == 0) {   // 0 is the magic value for default action
-    nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+    nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
     PRBool checked = PR_FALSE;
-    element->GetChecked(&checked);
+    if (htmlCheckboxElement) {
-    element->SetChecked(checked ? PR_FALSE : PR_TRUE);
+      htmlCheckboxElement->GetChecked(&checked);
+      htmlCheckboxElement->SetChecked(!checked);
+    }
+    else {
+      nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
+      if (xulCheckboxElement) {
+        xulCheckboxElement->GetChecked(&checked);
+        xulCheckboxElement->SetChecked(!checked);
+      }
+    }
     return NS_OK;
   }
   return NS_ERROR_INVALID_ARG;
 }
 
+NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccState(PRUint32 *_retval)
+{
+  nsHTMLFormControlAccessible::GetAccState(_retval);
+  PRBool checked = PR_FALSE;   // Radio buttons and check boxes can be checked
+
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
+  if (htmlCheckboxElement) 
+    htmlCheckboxElement->GetChecked(&checked);
+  else {
+    nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
+    if (xulCheckboxElement)
+      xulCheckboxElement->GetChecked(&checked);
+  }
+
+  if (checked) 
+    *_retval |= STATE_CHECKED;
+  
+  return NS_OK;
+}
 
 //------ Radio button -------
 
@@ -240,6 +269,28 @@ NS_IMETHODIMP nsHTMLRadioButtonAccessible::GetAccRole(PRUint32 *_retval)
   return NS_OK;
 }
 
+NS_IMETHODIMP nsHTMLRadioButtonAccessible::GetAccState(PRUint32 *_retval)
+{
+  nsHTMLFormControlAccessible::GetAccState(_retval);
+  PRBool checked = PR_FALSE;   // Radio buttons and check boxes can be checked
+
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlRadioElement(do_QueryInterface(mDOMNode));
+  if (htmlRadioElement) 
+    htmlRadioElement->GetChecked(&checked);
+
+  /*  ----- Need to add this code soon
+
+  nsCOMPtr<nsIDOMXULRadioElement> xulRadioElement(do_QueryInteface(mDOMNode));
+  if (xulRadioElement)
+    xulRadioElement->GetChecked(&checked);
+  */
+
+  if (checked) 
+    *_retval |= STATE_CHECKED;
+
+  return NS_OK;
+}
+
 // ----- Button -----
 
 nsHTMLButtonAccessible::nsHTMLButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
@@ -387,6 +438,11 @@ NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccRole(PRUint32 *_retval)
 /* wstring getAccValue (); */
 NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccValue(nsAWritableString& _retval)
 {
+  PRUint32 state;
+  GetAccState(&state);
+  if (state & STATE_PROTECTED)    // Don't return password text!
+    return NS_ERROR_FAILURE;
+
   nsCOMPtr<nsIDOMHTMLTextAreaElement> textArea(do_QueryInterface(mDOMNode));
   if (textArea) {
     textArea->GetValue(_retval);

accessible/src/html/nsHTMLFormControlAccessible.h

@@ -54,6 +54,7 @@ public:
   NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
   NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
   NS_IMETHOD AccDoAction(PRUint8 index);
+  NS_IMETHOD GetAccState(PRUint32 *_retval); 
 };
 
 class nsHTMLRadioButtonAccessible : public nsHTMLFormControlAccessible
@@ -65,6 +66,7 @@ public:
   NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
   NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
   NS_IMETHOD AccDoAction(PRUint8 index);
+  NS_IMETHOD GetAccState(PRUint32 *_retval); 
 };
 
 class nsHTMLButtonAccessible : public nsHTMLFormControlAccessible

accessible/src/html/nsHTMLTextAccessible.cpp

@@ -24,7 +24,6 @@
 #include "nsHTMLTextAccessible.h"
 #include "nsWeakReference.h"
 #include "nsIFrame.h"
-#include "nsString.h"
 #include "nsILink.h"
 #include "nsILinkHandler.h"
 #include "nsISelection.h"

accessible/src/nsAccessibilityService.cpp

@@ -45,10 +45,12 @@
 #include "nsHTMLListboxAccessible.h"
 #include "nsIDOMHTMLAreaElement.h"
 #include "nsHTMLFormControlAccessible.h"
+#include "nsIAccessibleProvider.h"
 #include "nsILink.h"
 #include "nsIDocShellTreeItem.h"
 #include "nsIDOMDocument.h"
 #include "nsIDOMHTMLOptionElement.h"
+#include "nsIDOMXULCheckboxElement.h"
 
 // IFrame
 #include "nsIDocShell.h"
@@ -175,6 +177,19 @@ NS_IMETHODIMP nsAccessibilityService::CreateHTMLCheckboxAccessible(nsISupports *
   return NS_OK;
 }
 
+NS_IMETHODIMP nsAccessibilityService::CreateXULCheckboxAccessible(nsIDOMNode *aNode, nsIAccessible **_retval)
+{
+  nsCOMPtr<nsIWeakReference> weakShell;
+  GetShellFromNode(aNode, getter_AddRefs(weakShell));
+
+  *_retval = new nsHTMLCheckboxAccessible(aNode, weakShell);
+  if (! *_retval) 
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  NS_ADDREF(*_retval);
+  return NS_OK;
+}
+
 /* nsIAccessible createHTMRadioButtonAccessible (in nsISupports aPresShell, in nsISupports aFrame); */
 NS_IMETHODIMP nsAccessibilityService::CreateHTMLRadioButtonAccessible(nsISupports *aFrame, nsIAccessible **_retval)
 {
@@ -340,6 +355,28 @@ NS_IMETHODIMP nsAccessibilityService::CreateHTMLTextFieldAccessible(nsISupports
   return NS_OK;
 }
 
+NS_IMETHODIMP nsAccessibilityService::GetShellFromNode(nsIDOMNode *aNode, nsIWeakReference **aWeakShell)
+{
+  nsCOMPtr<nsIDOMDocument> domDoc;
+  aNode->GetOwnerDocument(getter_AddRefs(domDoc));
+  nsCOMPtr<nsIDocument> doc(do_QueryInterface(domDoc));
+  if (!doc)
+    return NS_ERROR_INVALID_ARG;
+
+  // ---- Get the pres shell ----
+  nsCOMPtr<nsIPresShell> shell;
+  doc->GetShellAt(0, getter_AddRefs(shell));
+  if (!shell)
+    return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIWeakReference> weakRef(do_GetWeakReference(shell));
+  
+  *aWeakShell = weakRef;
+  NS_IF_ADDREF(*aWeakShell);
+
+  return NS_OK;
+}
+
 NS_IMETHODIMP nsAccessibilityService::GetInfo(nsISupports* aFrame, nsIFrame** aRealFrame, nsIWeakReference** aShell, nsIDOMNode** aNode)
 {
   NS_ASSERTION(aFrame,"Error -- 1st argument (aFrame) is null!!");
@@ -624,9 +661,12 @@ NS_IMETHODIMP nsAccessibilityService::GetAccessibleFor(nsIDOMNode *aNode,
   nsCOMPtr<nsIAccessible> newAcc;
   frame->GetAccessible(getter_AddRefs(newAcc));
 
-  // ---- Try QI'ing node to get nsIAccessible ----
+  // ---- Is it a XUL element? -- they impl nsIAccessibleProvider via XBL
-  if (!newAcc)
+  if (!newAcc) {
-    newAcc = do_QueryInterface(aNode);
+    nsCOMPtr<nsIAccessibleProvider> accProv(do_QueryInterface(aNode));
+    if (accProv)  
+      accProv->GetAccessible(getter_AddRefs(newAcc));
+  }
 
   // ---- If link, create link accessible ----
   if (!newAcc) {

accessible/src/nsAccessibilityService.h

@@ -51,6 +51,7 @@ public:
 
 private:
   NS_IMETHOD GetInfo(nsISupports* aFrame, nsIFrame** aRealFrame, nsIWeakReference** aShell, nsIDOMNode** aContent);
+  NS_IMETHOD GetShellFromNode(nsIDOMNode *aNode, nsIWeakReference **weakShell);
   void GetOwnerFor(nsIPresShell *aPresShell, nsIPresShell **aOwnerShell, nsIContent **aOwnerContent);
   nsIContent* FindContentForDocShell(nsIPresShell* aPresShell, nsIContent* aContent, nsIDocShell*  aDocShell);
 

accessible/src/nsAccessible.cpp

@@ -623,6 +623,49 @@ NS_IMETHODIMP nsAccessible::GetAccState(PRUint32 *aAccState)
     }
   }
 
+  nsCOMPtr<nsIContent> content(do_QueryInterface(mDOMNode));
+  if (content) {
+    nsCOMPtr<nsIPresShell> shell(do_QueryReferent(mPresShell));
+    if (shell) {
+      nsIFrame *frame = nsnull;
+      shell->GetPrimaryFrameFor(content, &frame);
+      if (frame) {
+        /*
+        PRBool isVisible = PR_FALSE, isFinishedLooking = PR_FALSE;
+        nsCOMPtr<nsIPresContext> presContext;
+        shell->GetPresContext(getter_AddRefs(presContext));
+        nsRect twipsRect, pixelsRect;
+        GetAbsoluteFramePosition(presContext, frame, twipsRect, pixelsRect);
+        
+
+        //frame->IsVisibleForPainting(presContext, presContext, PR_TRUE, &isVisible); // 3rd param = bool to check css visibility
+        //frame->CheckVisibility(presContext, 0,1, PR_TRUE, &isFinishedLooking, &isVisible);
+        if (twipsRect.y < 0)
+          *aAccState |= STATE_OFFSCREEN;
+        */
+        nsSize frameSize;
+        frame->GetSize(frameSize);
+        if (frameSize.width == 0)
+          *aAccState |= STATE_INVISIBLE;
+
+      }
+    }
+  }
+
+
+    /**
+   *  called to see if the children of the frame are visible from indexstart to index end.
+   *  this does not change any state. returns PR_TRUE only if the indexes are valid and any of
+   *  the children are visible.  for textframes this index is the character index.
+   *  if aStart = aEnd result will be PR_FALSE
+   *  @param aStart start index of first child from 0-N (number of children)
+   *  @param aEnd   end index of last child from 0-N
+   *  @param aRecurse should this frame talk to siblings to get to the contents other children?
+   *  @param aFinished did this frame have the aEndIndex? or is there more work to do
+   *  @param _retval  return value true or false. false = range is not rendered.
+   */
+  //NS_IMETHOD CheckVisibility(nsIPresContext* aContext, PRInt32 aStartIndex, PRInt32 aEndIndex, PRBool aRecurse, PRBool *aFinished, PRBool *_retval)=0;
+
   return rv;
 }
 

accessible/src/nsGenericAccessible.cpp

@@ -25,7 +25,6 @@
 #include "nsIFrame.h"
 #include "nsCOMPtr.h"
 #include "nsIWeakReference.h"
-#include "nsISelectionController.h"
 #include "nsReadableUtils.h"
 #include "nsIContent.h"
 

accessible/src/nsHTMLAreaAccessible.cpp

@@ -30,7 +30,6 @@
 #include "nsIServiceManager.h"
 #include "nsIDOMElement.h"
 #include "nsIDOMHTMLAreaElement.h"
-#include "nsGUIEvent.h"
 
 
 // --- area -----

accessible/src/nsHTMLFormControlAccessible.cpp

@@ -29,12 +29,12 @@
 #include "nsHTMLAtoms.h"
 #include "nsIDOMHTMLButtonElement.h"
 #include "nsReadableUtils.h"
-#include "nsString.h"
 #include "nsAccessible.h"
 #include "nsIFrame.h"
 #include "nsIDOMHTMLLabelElement.h"
 #include "nsIDOMHTMLFormElement.h"
 #include "nsISelectionController.h"
+#include "nsIDOMXULCheckboxElement.h"
 
 nsHTMLFormControlAccessible::nsHTMLFormControlAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
 nsLeafAccessible(aNode, aShell)
@@ -117,25 +117,29 @@ NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccName(nsAWritableString& _retval
 NS_IMETHODIMP nsHTMLFormControlAccessible::GetAccState(PRUint32 *_retval)
 {
   // can be
-  // focusable, focused, checked, protected, unavailable
+  // focusable, focused, protected, unavailable
-  nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlFormElement(do_QueryInterface(mDOMNode));
 
   nsAccessible::GetAccState(_retval);
-  *_retval |= STATE_FOCUSABLE;
-
-  PRBool checked = PR_FALSE;
-  element->GetChecked(&checked);
-  if (checked) *_retval |= STATE_CHECKED;
 
   PRBool disabled = PR_FALSE;
-  element->GetDisabled(&disabled);
+  if (htmlFormElement) {
-  if (disabled)
+    htmlFormElement->GetDisabled(&disabled);
-    *_retval |= STATE_UNAVAILABLE;
-
     nsAutoString typeString;
-  element->GetType(typeString);
+    htmlFormElement->GetType(typeString);
     if (typeString.EqualsIgnoreCase("password"))
       *_retval |= STATE_PROTECTED;
+    }
+  else {
+    nsCOMPtr<nsIDOMXULControlElement> xulFormElement(do_QueryInterface(mDOMNode));
+    if (xulFormElement)
+      xulFormElement->GetDisabled(&disabled);
+  }
+
+  if (disabled)
+    *_retval |= STATE_UNAVAILABLE;
+  else 
+    *_retval |= STATE_FOCUSABLE;
 
   return NS_OK;
 }
@@ -164,15 +168,12 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccNumActions(PRUint8 *_retval)
 /* wstring getAccActionName (in PRUint8 index); */
 NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWritableString& _retval)
 {
-  if (index == 0) {
+  if (index == 0) {    // 0 is the magic value for default action
     // check or uncheck
-    nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+    PRUint32 state;
+    GetAccState(&state);
 
-    PRBool checked = PR_FALSE;
+    if (state & STATE_CHECKED)
-    if (element) 
-      element->GetChecked(&checked);
-
-    if (checked)
       _retval = NS_LITERAL_STRING("uncheck");
     else
       _retval = NS_LITERAL_STRING("check");
@@ -186,15 +187,43 @@ NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccActionName(PRUint8 index, nsAWrita
 NS_IMETHODIMP nsHTMLCheckboxAccessible::AccDoAction(PRUint8 index)
 {
   if (index == 0) {   // 0 is the magic value for default action
-    nsCOMPtr<nsIDOMHTMLInputElement> element(do_QueryInterface(mDOMNode));
+    nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
     PRBool checked = PR_FALSE;
-    element->GetChecked(&checked);
+    if (htmlCheckboxElement) {
-    element->SetChecked(checked ? PR_FALSE : PR_TRUE);
+      htmlCheckboxElement->GetChecked(&checked);
+      htmlCheckboxElement->SetChecked(!checked);
+    }
+    else {
+      nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
+      if (xulCheckboxElement) {
+        xulCheckboxElement->GetChecked(&checked);
+        xulCheckboxElement->SetChecked(!checked);
+      }
+    }
     return NS_OK;
   }
   return NS_ERROR_INVALID_ARG;
 }
 
+NS_IMETHODIMP nsHTMLCheckboxAccessible::GetAccState(PRUint32 *_retval)
+{
+  nsHTMLFormControlAccessible::GetAccState(_retval);
+  PRBool checked = PR_FALSE;   // Radio buttons and check boxes can be checked
+
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlCheckboxElement(do_QueryInterface(mDOMNode));
+  if (htmlCheckboxElement) 
+    htmlCheckboxElement->GetChecked(&checked);
+  else {
+    nsCOMPtr<nsIDOMXULCheckboxElement> xulCheckboxElement(do_QueryInterface(mDOMNode));
+    if (xulCheckboxElement)
+      xulCheckboxElement->GetChecked(&checked);
+  }
+
+  if (checked) 
+    *_retval |= STATE_CHECKED;
+  
+  return NS_OK;
+}
 
 //------ Radio button -------
 
@@ -240,6 +269,28 @@ NS_IMETHODIMP nsHTMLRadioButtonAccessible::GetAccRole(PRUint32 *_retval)
   return NS_OK;
 }
 
+NS_IMETHODIMP nsHTMLRadioButtonAccessible::GetAccState(PRUint32 *_retval)
+{
+  nsHTMLFormControlAccessible::GetAccState(_retval);
+  PRBool checked = PR_FALSE;   // Radio buttons and check boxes can be checked
+
+  nsCOMPtr<nsIDOMHTMLInputElement> htmlRadioElement(do_QueryInterface(mDOMNode));
+  if (htmlRadioElement) 
+    htmlRadioElement->GetChecked(&checked);
+
+  /*  ----- Need to add this code soon
+
+  nsCOMPtr<nsIDOMXULRadioElement> xulRadioElement(do_QueryInteface(mDOMNode));
+  if (xulRadioElement)
+    xulRadioElement->GetChecked(&checked);
+  */
+
+  if (checked) 
+    *_retval |= STATE_CHECKED;
+
+  return NS_OK;
+}
+
 // ----- Button -----
 
 nsHTMLButtonAccessible::nsHTMLButtonAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell):
@@ -387,6 +438,11 @@ NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccRole(PRUint32 *_retval)
 /* wstring getAccValue (); */
 NS_IMETHODIMP nsHTMLTextFieldAccessible::GetAccValue(nsAWritableString& _retval)
 {
+  PRUint32 state;
+  GetAccState(&state);
+  if (state & STATE_PROTECTED)    // Don't return password text!
+    return NS_ERROR_FAILURE;
+
   nsCOMPtr<nsIDOMHTMLTextAreaElement> textArea(do_QueryInterface(mDOMNode));
   if (textArea) {
     textArea->GetValue(_retval);

accessible/src/nsHTMLFormControlAccessible.h

@@ -54,6 +54,7 @@ public:
   NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
   NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
   NS_IMETHOD AccDoAction(PRUint8 index);
+  NS_IMETHOD GetAccState(PRUint32 *_retval); 
 };
 
 class nsHTMLRadioButtonAccessible : public nsHTMLFormControlAccessible
@@ -65,6 +66,7 @@ public:
   NS_IMETHOD GetAccNumActions(PRUint8 *_retval);
   NS_IMETHOD GetAccActionName(PRUint8 index, nsAWritableString& _retval);
   NS_IMETHOD AccDoAction(PRUint8 index);
+  NS_IMETHOD GetAccState(PRUint32 *_retval); 
 };
 
 class nsHTMLButtonAccessible : public nsHTMLFormControlAccessible

accessible/src/nsHTMLTextAccessible.cpp

@@ -24,7 +24,6 @@
 #include "nsHTMLTextAccessible.h"
 #include "nsWeakReference.h"
 #include "nsIFrame.h"
-#include "nsString.h"
 #include "nsILink.h"
 #include "nsILinkHandler.h"
 #include "nsISelection.h"

dom/public/idl/xul/MANIFEST_IDL

@@ -2,3 +2,6 @@ nsIDOMXULCommandDispatcher.idl
 nsIDOMXULDocument.idl
 nsIDOMXULElement.idl
 nsIDOMXULTreeElement.idl
+nsIDOMXULCheckboxElement.idl
+nsIDOMXULControlElement.idl
+nsIDOMXULLabeledControlElement.idl

dom/public/idl/xul/Makefile.in

@@ -34,6 +34,9 @@ XPIDLSRCS =					\
 	nsIDOMXULDocument.idl			\
 	nsIDOMXULElement.idl			\
 	nsIDOMXULTreeElement.idl		\
+	nsIDOMXULCheckboxElement.idl		\
+	nsIDOMXULControlElement.idl		\
+	nsIDOMXULLabeledControlElement.idl		\
 	$(NULL)
 
 include $(topsrcdir)/config/rules.mk

dom/public/idl/xul/makefile.win

@@ -30,6 +30,9 @@ XPIDLSRCS =					\
 	.\nsIDOMXULDocument.idl			\
 	.\nsIDOMXULElement.idl			\
 	.\nsIDOMXULTreeElement.idl		\
+	.\nsIDOMXULCheckboxElement.idl		\
+	.\nsIDOMXULControlElement.idl		\
+	.\nsIDOMXULLabeledControlElement.idl		\
 	$(NULL)
 
 include <$(DEPTH)\config\rules.mak>

dom/public/idl/xul/nsIDOMXULCheckboxElement.idl

@@ -0,0 +1,37 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 2000 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *   David Hyatt <hyatt@netscape.com> (original author)
+ *   Johnny Stenback <jst@netscape.com>
+ */
+
+#include "nsIDOMElement.idl"
+#include "nsIDOMXULLabeledControlElement.idl"
+
+[scriptable, uuid(5afaba88-1dd2-11b2-9249-dd65a129d0e4)]
+interface nsIDOMXULCheckboxElement : nsIDOMXULLabeledControlElement {
+  attribute boolean checked;
+  attribute long checkState;
+  attribute boolean autoCheck;
+};
+
+
+
+

dom/public/idl/xul/nsIDOMXULControlElement.idl

@@ -0,0 +1,41 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 2000 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *   David Hyatt <hyatt@netscape.com> (original author)
+ *   Johnny Stenback <jst@netscape.com>
+ */
+
+#include "nsIDOMElement.idl"
+#include "nsIDOMXULElement.idl"
+
+interface nsIControllers;
+
+[scriptable, uuid(007b8358-1dd2-11b2-8924-d209efc3f124)]
+interface nsIDOMXULControlElement : nsIDOMXULElement {
+  attribute boolean disabled;
+  attribute long tabIndex;
+  
+//  readonly attribute nsIControllers controllers;
+  
+//  void focus();
+//  void blur();
+};
+
+

dom/public/idl/xul/nsIDOMXULLabeledControlElement.idl

@@ -0,0 +1,38 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/*
+ * The contents of this file are subject to the Netscape Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 2000 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *   David Hyatt <hyatt@netscape.com> (original author)
+ *   Johnny Stenback <jst@netscape.com>
+ */
+
+#include "nsIDOMElement.idl"
+#include "nsIDOMXULControlElement.idl"
+
+[scriptable, uuid(a457ea70-1dd1-11b2-9089-8fd894122084)]
+interface nsIDOMXULLabeledControlElement : nsIDOMXULControlElement {
+  attribute DOMString crop;
+  attribute DOMString image;
+  attribute DOMString label;
+  attribute DOMString accessKey;
+  attribute DOMString command;
+
+//  void doCommand();
+};
+

xpfe/global/resources/content/bindings/checkbox.xml

@@ -21,7 +21,15 @@
       </xul:hbox>
     </content>
     
-    <implementation>
+    <implementation implements="nsIDOMXULCheckboxElement, nsIAccessibleProvider">
+      <property name="accessible">
+        <getter>
+          <![CDATA[
+            var accService = Components.classes["@mozilla.org/accessibilityService;1"].getService(Components.interfaces.nsIAccessibilityService);
+            return (accService? accService.createXULCheckboxAccessible(this): null);
+          ]]>
+        </getter>
+      </property>
       <!-- public implementation -->
       <property name="checked"    onset="if (val) this.setAttribute('checked', 'true');
                                          else this.removeAttribute('checked');