/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=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 nsWebBrowserFindImpl_h__

#define nsWebBrowserFindImpl_h__

#include "nsIWebBrowserFind.h"

#include "nsCOMPtr.h"

#include "nsWeakReference.h"

#include "nsIFind.h"

#include "nsString.h"

class nsIDOMWindow;

class nsIDocShell;

class nsIDocument;

class nsRange;

namespace mozilla {

namespace dom {

class Element;

class Selection;

} // namespace dom

} // namespace mozilla

//*****************************************************************************

// class nsWebBrowserFind

//*****************************************************************************

class nsWebBrowserFind

  : public nsIWebBrowserFind

  , public nsIWebBrowserFindInFrames

{

public:

  nsWebBrowserFind();

  // nsISupports

  NS_DECL_ISUPPORTS

  // nsIWebBrowserFind

  NS_DECL_NSIWEBBROWSERFIND

  // nsIWebBrowserFindInFrames

  NS_DECL_NSIWEBBROWSERFINDINFRAMES

protected:

  virtual ~nsWebBrowserFind();

  bool CanFindNext() { return mSearchString.Length() != 0; }

  nsresult SearchInFrame(nsPIDOMWindowOuter* aWindow, bool aWrapping,

                         bool* aDidFind);

  nsresult OnStartSearchFrame(nsPIDOMWindowOuter* aWindow);

  nsresult OnEndSearchFrame(nsPIDOMWindowOuter* aWindow);

  already_AddRefed<mozilla::dom::Selection>

    GetFrameSelection(nsPIDOMWindowOuter* aWindow);

  nsresult ClearFrameSelection(nsPIDOMWindowOuter* aWindow);

  nsresult OnFind(nsPIDOMWindowOuter* aFoundWindow);

  void SetSelectionAndScroll(nsPIDOMWindowOuter* aWindow, nsRange* aRange);

  nsresult GetRootNode(nsIDocument* aDomDoc, mozilla::dom::Element** aNode);

  nsresult GetSearchLimits(nsRange* aRange,

                           nsRange* aStartPt, nsRange* aEndPt,

                           nsIDocument* aDoc, mozilla::dom::Selection* aSel,

                           bool aWrap);

  nsresult SetRangeAroundDocument(nsRange* aSearchRange,

                                  nsRange* aStartPoint,

                                  nsRange* aEndPoint,

                                  nsIDocument* aDoc);

protected:

  nsString mSearchString;

  bool mFindBackwards;

  bool mWrapFind;

  bool mEntireWord;

  bool mMatchCase;

  bool mSearchSubFrames;

  bool mSearchParentFrames;

  // These are all weak because who knows if windows can go away during our

  // lifetime.

  nsWeakPtr mCurrentSearchFrame;

  nsWeakPtr mRootSearchFrame;

  nsWeakPtr mLastFocusedWindow;

};

#endif