NS_IMETHODIMP
CopyOrDeleteCommand::DoCommand(const char* aCommandName,
nsISupports* aCommandRefCon) {
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (!editor) {
return NS_ERROR_FAILURE;
}
TextEditor* textEditor = editor->AsTextEditor();
MOZ_ASSERT(textEditor);
dom::Selection* selection = textEditor->GetSelection();
if (selection && selection->IsCollapsed()) {
nsresult rv = textEditor->DeleteSelectionAsAction(nsIEditor::eNextWord,
nsIEditor::eStrip);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
return textEditor->Copy();
}
NS_IMETHODIMP
DeleteCommand::DoCommand(const char* aCommandName,
nsISupports* aCommandRefCon) {
nsCOMPtr<nsIEditor> editor = do_QueryInterface(aCommandRefCon);
if (NS_WARN_IF(!editor)) {
return NS_ERROR_FAILURE;
}
nsIEditor::EDirection deleteDir = nsIEditor::eNone;
if (!nsCRT::strcmp("cmd_delete", aCommandName)) {
// Really this should probably be eNone, but it only makes a difference if
// the selection is collapsed, and then this command is disabled. So let's
// keep it as it always was to avoid breaking things.
deleteDir = nsIEditor::ePrevious;
} else if (!nsCRT::strcmp("cmd_deleteCharForward", aCommandName)) {
deleteDir = nsIEditor::eNext;
} else if (!nsCRT::strcmp("cmd_deleteCharBackward", aCommandName)) {
deleteDir = nsIEditor::ePrevious;
} else if (!nsCRT::strcmp("cmd_deleteWordBackward", aCommandName)) {
deleteDir = nsIEditor::ePreviousWord;
} else if (!nsCRT::strcmp("cmd_deleteWordForward", aCommandName)) {
deleteDir = nsIEditor::eNextWord;
} else if (!nsCRT::strcmp("cmd_deleteToBeginningOfLine", aCommandName)) {
deleteDir = nsIEditor::eToBeginningOfLine;
} else if (!nsCRT::strcmp("cmd_deleteToEndOfLine", aCommandName)) {
deleteDir = nsIEditor::eToEndOfLine;
} else {
MOZ_CRASH("Unrecognized nsDeleteCommand");
}
TextEditor* textEditor = editor->AsTextEditor();
MOZ_ASSERT(textEditor);
nsresult rv =
textEditor->DeleteSelectionAsAction(deleteDir, nsIEditor::eStrip);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
return NS_OK;
}
