chrome_frame/find_dialog.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_FRAME_FIND_DIALOG_H_
   6 #define CHROME_FRAME_FIND_DIALOG_H_
   7
   8 #include <atlbase.h>
   9 #include <atlwin.h>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/string16.h"
  13 #include "resource.h"
  14 #include "grit/chrome_frame_dialogs.h"
  15
  16 class ChromeFrameAutomationClient;
  17
  18 class CFFindDialog : public CDialogImpl<CFFindDialog> {
  19  public:
  20   enum { IDD = IDD_CHROME_FRAME_FIND_DIALOG };
  21
  22   BEGIN_MSG_MAP(CFFindDialog)
  23     MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
  24     MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
  25     COMMAND_ID_HANDLER(IDOK, OnFind)
  26     COMMAND_ID_HANDLER(IDCANCEL, OnCancel)
  27   END_MSG_MAP()
  28
  29   CFFindDialog();
  30   void Init(ChromeFrameAutomationClient* automation_client);
  31
  32   LRESULT OnDestroy(UINT msg, WPARAM wparam,
  33                     LPARAM lparam, BOOL& handled);  // NOLINT
  34   LRESULT OnFind(WORD wNotifyCode, WORD wID,
  35                  HWND hWndCtl, BOOL& bHandled);  // NOLINT
  36   LRESULT OnCancel(WORD wNotifyCode, WORD wID,
  37                    HWND hWndCtl, BOOL& bHandled);  // NOLINT
  38   LRESULT OnInitDialog(UINT msg, WPARAM wparam,
  39                        LPARAM lparam, BOOL& handled);  // NOLINT
  40
  41  private:
  42
  43   // Since the message loop we expect to run in isn't going to be nicely
  44   // calling IsDialogMessage(), we need to hook the wnd proc and call it
  45   // ourselves. See http://support.microsoft.com/kb/q187988/
  46   bool InstallMessageHook();
  47   bool UninstallMessageHook();
  48   static LRESULT CALLBACK GetMsgProc(int code, WPARAM wparam, LPARAM lparam);
  49   static HHOOK msg_hook_;
  50
  51   // Store the text we searched for last to determine whether we are doing a
  52   // "Find" or a "Find Next".
  53   string16 last_find_text_;
  54
  55   // We don't own these, and they must exist at least as long as we do.
  56   scoped_refptr<ChromeFrameAutomationClient> automation_client_;
  57 };
  58
  59 #endif  // CHROME_FRAME_FIND_DIALOG_H_