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      1 // Copyright (c) 2013 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 WIN8_TEST_OPEN_WITH_DIALOG_CONTROLLER_H_
      6 #define WIN8_TEST_OPEN_WITH_DIALOG_CONTROLLER_H_
      7 
      8 #include <windows.h>
      9 
     10 #include <vector>
     11 
     12 #include "base/basictypes.h"
     13 #include "base/callback_forward.h"
     14 #include "base/memory/weak_ptr.h"
     15 #include "base/strings/string16.h"
     16 
     17 namespace win8 {
     18 
     19 // Asynchronously drives Windows 8's OpenWithDialog into making a given program
     20 // the default handler for an URL protocol.
     21 class OpenWithDialogController {
     22  public:
     23   // A callback that is invoked upon completion of the OpenWithDialog
     24   // interaction. If the HRESULT indicates success, the interaction completed
     25   // successfully. Otherwise, the vector of strings may contain the list of
     26   // possible choices if the desired program could not be selected.
     27   typedef base::Callback<void(HRESULT,
     28                               std::vector<string16>)> SetDefaultCallback;
     29 
     30   OpenWithDialogController();
     31   ~OpenWithDialogController();
     32 
     33   // Starts the process of making |program| the default handler for
     34   // |url_protocol|. |parent_window| may be NULL.  |callback| will be invoked
     35   // upon completion. This instance may be deleted prior to |callback| being
     36   // invoked to cancel the operation.
     37   // Note: This will fail if |program| is already default for |url_protocol|
     38   // since |program| will not show up verbatim in the dialog (e.g., in EN-US, it
     39   // will be prefixed by "Keep using ").
     40   void Begin(HWND parent_window,
     41              const string16& url_protocol,
     42              const string16& program,
     43              const SetDefaultCallback& callback);
     44 
     45   // Sychronously drives the dialog by running a message loop. Do not by any
     46   // means call this on a thread that already has a message loop. Returns S_OK
     47   // on success. Otherwise, |choices| may contain the list of possible choices
     48   // if the desired program could not be selected.
     49   HRESULT RunSynchronously(HWND parent_window,
     50                            const string16& url_protocol,
     51                            const string16& program,
     52                            std::vector<string16>* choices);
     53 
     54  private:
     55   class Context;
     56 
     57   base::WeakPtr<Context> context_;
     58 
     59   DISALLOW_COPY_AND_ASSIGN(OpenWithDialogController);
     60 };
     61 
     62 }  // namespace win8
     63 
     64 #endif // WIN8_TEST_OPEN_WITH_DIALOG_CONTROLLER_H_
     65