pjs/webshell/tests/viewer/nsFindDialog.cpp

148 строки
4.7 KiB
C++

/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
/*
* 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) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsCOMPtr.h"
#include "nsFindDialog.h"
#include "nsIDOMEvent.h"
#include "nsIXPBaseWindow.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsIDOMHTMLDocument.h"
static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
//-------------------------------------------------------------------------
//
// nsFindDialog constructor
//
//-------------------------------------------------------------------------
//-----------------------------------------------------------------
nsFindDialog::nsFindDialog(nsBrowserWindow * aBrowserWindow) :
nsBaseDialog(aBrowserWindow),
mFindBtn(nsnull),
mSearchDown(PR_TRUE)
{
}
//-----------------------------------------------------------------
nsFindDialog::~nsFindDialog()
{
}
//---------------------------------------------------------------
void nsFindDialog::Initialize(nsIXPBaseWindow * aWindow)
{
nsBaseDialog::Initialize(aWindow);
nsIDOMHTMLDocument *doc = nsnull;
mWindow->GetDocument(doc);
if (nsnull != doc) {
doc->GetElementById(NS_ConvertASCIItoUCS2("find"), &mFindBtn);
doc->GetElementById(NS_ConvertASCIItoUCS2("searchup"), &mUpRB);
doc->GetElementById(NS_ConvertASCIItoUCS2("searchdown"), &mDwnRB);
doc->GetElementById(NS_ConvertASCIItoUCS2("matchcase"), &mMatchCaseCB);
// XXX: Register event listening on each dom element. We should change this so
// all DOM events are automatically passed through.
aWindow->AddEventListener(mFindBtn);
aWindow->AddEventListener(mUpRB);
aWindow->AddEventListener(mDwnRB);
SetChecked(mMatchCaseCB, PR_FALSE);
NS_RELEASE(doc);
}
}
//-----------------------------------------------------------------
void nsFindDialog::MouseClick(nsIDOMEvent* aMouseEvent, nsIXPBaseWindow * aWindow, PRBool &aStatus)
{
// Event Dispatch. This method should not contain
// anything but calls to methods. This idea is that this dispatch
// mechanism may be replaced by JavaScript EventHandlers which call the idl'ed
// interfaces to perform the same operation that is currently being handled by
// this C++ code.
nsBaseDialog::MouseClick(aMouseEvent, aWindow, aStatus);
if (!aStatus) { // is not consumed
nsCOMPtr<nsIDOMEventTarget> target;
aMouseEvent->GetTarget(getter_AddRefs(target));
if (target) {
nsCOMPtr<nsIDOMElement> node(do_QueryInterface(target));
if (node.get() == mFindBtn) {
DoFind();
}
}
}
}
//-----------------------------------------------------------------
void nsFindDialog::Destroy(nsIXPBaseWindow * aWindow)
{
// Unregister event listeners that were registered in the
// Initialize here.
// XXX: Should change code in XPBaseWindow to automatically unregister
// all event listening, That way this code will not be necessary.
aWindow->RemoveEventListener(mFindBtn);
}
//---------------------------------------------------------------
void
nsFindDialog::DoFind()
{
// Now we have the content tree, lets find the
// widgets holding the info.
nsIDOMElement * textNode = nsnull;
nsIDOMHTMLDocument *doc = nsnull;
mWindow->GetDocument(doc);
if (nsnull != doc) {
if (NS_OK == doc->GetElementById(NS_ConvertASCIItoUCS2("query"), &textNode)) {
nsIDOMHTMLInputElement * element;
if (NS_OK == textNode->QueryInterface(kIDOMHTMLInputElementIID, (void**) &element)) {
nsString str;
PRBool foundIt = PR_FALSE;
element->GetValue(str);
PRBool searchDown = IsChecked(mDwnRB);
PRBool matchcase = IsChecked(mMatchCaseCB);
mBrowserWindow->FindNext(str, matchcase, searchDown, foundIt);
if (foundIt) {
mBrowserWindow->ForceRefresh();
}
NS_RELEASE(element);
}
NS_RELEASE(textNode);
}
NS_RELEASE(doc);
}
}
//---------------------------------------------------------------
void
nsFindDialog::DoClose()
{
mWindow->SetVisible(PR_FALSE);
}