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Removed old commented out code for the now defunct nsIDocShellEdit an…
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…d nsIDocShellFile interfaces. Replaced nsIDocShellContainer::GetEnumerator with nsIDocShellContainer::GetChildAt(). Also provided implementation for that function.
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tbogard%aol.net committed Dec 1, 1999
1 parent e334909 commit 11a750a
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Showing 2 changed files with 9 additions and 241 deletions.
244 changes: 7 additions & 237 deletions docshell/base/nsDocShell.cpp
View file
Expand Up @@ -504,239 +504,6 @@ nsDocShell::SetMarginHeight(PRInt32 aHeight)
return NS_OK;
}



// the following code is to be removed. It will show up on content viewer classes
#if 0
//*****************************************************************************
// nsDocShell::nsIDocShellEdit
//*****************************************************************************

NS_IMETHODIMP nsDocShell::Search()
{
NS_WARN_IF_FALSE(PR_FALSE, "Subclasses should override this method!!!!");
return NS_ERROR_NOT_IMPLEMENTED;
}

NS_IMETHODIMP nsDocShell::GetSearchable(PRBool* aSearchable)
{
NS_ENSURE_ARG_POINTER(aSearchable);
*aSearchable = PR_FALSE;
return NS_OK;
}

NS_IMETHODIMP nsDocShell::ClearSelection()
{
NS_ENSURE_STATE(mContentViewer);
nsCOMPtr<nsIPresShell> presShell;
NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);

nsCOMPtr<nsIDOMSelection> selection;
NS_ENSURE_SUCCESS(presShell->GetSelection(SELECTION_NORMAL,
getter_AddRefs(selection)), NS_ERROR_FAILURE);

NS_ENSURE_SUCCESS(selection->ClearSelection(), NS_ERROR_FAILURE);

return NS_OK;
}

/* the basic idea here is to grab the topmost content object
* (for HTML documents, that's the BODY)
* and select all it's children
*/
NS_IMETHODIMP nsDocShell::SelectAll()
{
NS_ENSURE_STATE(mContentViewer);
nsCOMPtr<nsIPresShell> presShell;
NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);

// get the selection object
nsCOMPtr<nsIDOMSelection> selection;
NS_ENSURE_SUCCESS(presShell->GetSelection(SELECTION_NORMAL, getter_AddRefs(selection)),
NS_ERROR_FAILURE);
NS_ENSURE_TRUE(selection, NS_ERROR_FAILURE);

// get the document
nsCOMPtr<nsIDOMNodeList> nodeList;
nsAutoString bodyTag = "body";
nsCOMPtr<nsIDOMDocument> document;
NS_ENSURE_SUCCESS(GetDocument(getter_AddRefs(document)), NS_ERROR_FAILURE);

// get the body tag(s) in the document
NS_ENSURE_SUCCESS(document->GetElementsByTagName(bodyTag,
getter_AddRefs(nodeList)),
NS_ERROR_FAILURE);
NS_ENSURE_TRUE(nodeList, NS_OK); // this means the document has no body, so nothing to select

// verify this document has exactly one body node
PRUint32 count;
NS_ENSURE_SUCCESS(nodeList->GetLength(&count), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(count != 1, NS_OK); // could be true for a frameset doc

// select all children of the body
nsCOMPtr<nsIDOMNode> bodyNode;
NS_ENSURE_SUCCESS(nodeList->Item(0, getter_AddRefs(bodyNode)), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(bodyNode, NS_ERROR_FAILURE);
// start the selection in front of the first child
NS_ENSURE_SUCCESS(selection->Collapse(bodyNode, 0), NS_ERROR_FAILURE);
// end the selection after the last child
PRInt32 numBodyChildren=0;
nsCOMPtr<nsIDOMNode>lastChild;
NS_ENSURE_SUCCESS(bodyNode->GetLastChild(getter_AddRefs(lastChild)),
NS_ERROR_FAILURE);
NS_ENSURE_TRUE(lastChild, NS_OK); // body isn't required to have any children, so it's ok if lastChild is null.
// in this case, we just have a collapsed selection at (body, 0)
NS_ENSURE_SUCCESS(GetChildOffset(lastChild, bodyNode, &numBodyChildren),
NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(selection->Extend(bodyNode, numBodyChildren+1), NS_ERROR_FAILURE);

return NS_OK;
}

NS_IMETHODIMP nsDocShell::CopySelection()
{
NS_ENSURE_STATE(mContentViewer);
PRBool copyable;
NS_ENSURE_SUCCESS(GetCopyable(&copyable), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(copyable, NS_ERROR_UNEXPECTED);

nsCOMPtr<nsIPresShell> presShell;
NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);

// the pres shell knows how to copy, so let it do the work
NS_ENSURE_SUCCESS(presShell->DoCopy(), NS_ERROR_FAILURE);
return NS_OK;
}

/* the docShell is "copyable" if it has a selection and the selection is not
* collapsed (that is, at least one token is selected, a character or a node
*/
NS_IMETHODIMP nsDocShell::GetCopyable(PRBool *aCopyable)
{
NS_ENSURE_ARG_POINTER(aCopyable);
NS_ENSURE_STATE(mContentViewer);

nsCOMPtr<nsIPresShell> presShell;
NS_ENSURE_SUCCESS(GetPresShell(getter_AddRefs(presShell)), NS_ERROR_FAILURE);

nsCOMPtr<nsIDOMSelection> selection;
NS_ENSURE_SUCCESS(presShell->GetSelection(SELECTION_NORMAL,
getter_AddRefs(selection)), NS_ERROR_FAILURE);

if(!selection)
{
*aCopyable = PR_FALSE;
return NS_OK;
}

PRBool isCollapsed;
NS_ENSURE_SUCCESS(selection->GetIsCollapsed(&isCollapsed), NS_ERROR_FAILURE);
*aCopyable = !isCollapsed;

return NS_OK;
}

NS_IMETHODIMP nsDocShell::CutSelection()
{
NS_ENSURE_STATE(mContentViewer);
PRBool cutable;
NS_ENSURE_SUCCESS(GetCutable(&cutable), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(cutable, NS_ERROR_UNEXPECTED);



//XXXIMPL
//Should check to find the current focused object. Then cut the contents.
return NS_ERROR_FAILURE;
}

NS_IMETHODIMP nsDocShell::GetCutable(PRBool* aCutable)
{
NS_ENSURE_ARG_POINTER(aCutable);

//XXXIMPL Implement
//Should check to find the current focused object. Then see if it can
//be cut out of. For now the answer is always no since CutSelection()
// has not been implemented.
*aCutable = PR_FALSE;
return NS_ERROR_FAILURE;
}

NS_IMETHODIMP nsDocShell::Paste()
{
NS_ENSURE_STATE(mContentViewer);
PRBool pasteable;
NS_ENSURE_SUCCESS(GetPasteable(&pasteable), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(pasteable, NS_ERROR_UNEXPECTED);

//XXXIMPL Implement
return NS_ERROR_FAILURE;
}

NS_IMETHODIMP nsDocShell::GetPasteable(PRBool* aPasteable)
{
NS_ENSURE_ARG_POINTER(aPasteable);

//XXXIMPL Implement
//Should check to find the current focused object. Then see if it can
//be pasted into. For now the answer is always no since Paste()
// has not been implemented.
*aPasteable = PR_FALSE;
return NS_OK;
}

//*****************************************************************************
// nsDocShell::nsIDocShellFile
//*****************************************************************************

NS_IMETHODIMP nsDocShell::Save()
{
NS_ENSURE_STATE(mContentViewer);
PRBool saveable;
NS_ENSURE_SUCCESS(GetSaveable(&saveable), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(saveable, NS_ERROR_UNEXPECTED);

//XXXIMPL
return NS_ERROR_FAILURE;
}

NS_IMETHODIMP nsDocShell::GetSaveable(PRBool* saveable)
{
NS_ENSURE_ARG_POINTER(saveable);
// XXXIMPL
// Should check if a doc is loaded and if it is in a state that that is
// ready to save. For now the answer is always no since saving isn't
// implemented.

*saveable = PR_FALSE;
return NS_OK;
}

NS_IMETHODIMP nsDocShell::Print()
{
NS_ENSURE_STATE(mContentViewer);
PRBool printable;
NS_ENSURE_SUCCESS(GetPrintable(&printable), NS_ERROR_FAILURE);
NS_ENSURE_TRUE(printable, NS_ERROR_UNEXPECTED);

//XXXIMPL
return NS_ERROR_FAILURE;
}

NS_IMETHODIMP nsDocShell::GetPrintable(PRBool* printable)
{
NS_ENSURE_ARG_POINTER(printable);
// XXXIMPL
// Should check if a doc is loaded and if it is in a state that that is
// ready to print. For now the answer is always no since printing isn't
// implemented.

*printable = PR_FALSE;
return NS_OK;
}
#endif

//*****************************************************************************
// nsDocShell::nsIDocShellContainer
//*****************************************************************************
Expand Down Expand Up @@ -798,12 +565,15 @@ NS_IMETHODIMP nsDocShell::RemoveChild(nsIDocShell *aChild)
return NS_OK;
}

/* readonly attribute nsIEnumerator childEnumerator; */
NS_IMETHODIMP nsDocShell::GetChildEnumerator(nsIEnumerator * *aChildEnumerator)
NS_IMETHODIMP nsDocShell::GetChildAt(PRInt32 aIndex, nsIDocShell** aDocShell)
{
NS_ENSURE_ARG_POINTER(aChildEnumerator);
NS_ENSURE_ARG_POINTER(aDocShell);
NS_ENSURE_ARG_RANGE(aIndex, 0, mChildren.Count() - 1);

return NS_OK;
*aDocShell = (nsIDocShell*) mChildren.ElementAt(aIndex);
NS_IF_ADDREF(*aDocShell);

return NS_OK;
}

/* depth-first search for a child shell with aName */
Expand Down
6 changes: 2 additions & 4 deletions docshell/base/nsIDocShellContainer.idl
View file
Expand Up @@ -49,10 +49,8 @@ interface nsIDocShellContainer : nsISupports
*/
void RemoveChild(in nsIDocShell child);

/*
Enumerator to walk child list.
*/
readonly attribute nsIEnumerator childEnumerator;
/* Return the child at the index requested. This is 0-based.*/
void GetChildAt(in long index, out nsIDocShell child);

/*
Return the child DocShell with the specified name
Expand Down

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