chrome/browser/importer/importer_list.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_BROWSER_IMPORTER_IMPORTER_LIST_H_
   6 #define CHROME_BROWSER_IMPORTER_IMPORTER_LIST_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/callback_forward.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/strings/string16.h"
  16
  17 namespace importer {
  18 struct SourceProfile;
  19 }
  20
  21 // ImporterList detects installed browsers and profiles via
  22 // DetectSourceProfilesWorker(). ImporterList lives on the UI thread.
  23 class ImporterList {
  24  public:
  25   ImporterList();
  26   ~ImporterList();
  27
  28   // Detects the installed browsers and their associated profiles, then stores
  29   // their information in a list to be accessed via count() and
  30   // GetSourceProfileAt(). The detection runs asynchronously.
  31   //
  32   // |locale|: As in DetectSourceProfilesWorker().
  33   // |include_interactive_profiles|: True to include source profiles that
  34   // require user interaction to read.
  35   // |profiles_loaded_callback|: Assuming this ImporterList instance is still
  36   // alive, run the callback when the source profile detection finishes.
  37   void DetectSourceProfiles(const std::string& locale,
  38                             bool include_interactive_profiles,
  39                             const base::Closure& profiles_loaded_callback);
  40
  41   // Returns the number of different source profiles you can import from.
  42   size_t count() const { return source_profiles_.size(); }
  43
  44   // Returns the SourceProfile at |index|. The profiles are ordered such that
  45   // the profile at index 0 is the likely default browser. The SourceProfile
  46   // should be passed to ImporterHost::StartImportSettings().
  47   const importer::SourceProfile& GetSourceProfileAt(size_t index) const;
  48
  49  private:
  50   // Called when the source profiles are loaded. Takes ownership of the
  51   // loaded profiles in |profiles| and calls |profiles_loaded_callback|.
  52   void SourceProfilesLoaded(
  53       const base::Closure& profiles_loaded_callback,
  54       const std::vector<importer::SourceProfile*>& profiles);
  55
  56   // The list of profiles with the default one first.
  57   ScopedVector<importer::SourceProfile> source_profiles_;
  58
  59   base::WeakPtrFactory<ImporterList> weak_ptr_factory_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(ImporterList);
  62 };
  63
  64 #endif  // CHROME_BROWSER_IMPORTER_IMPORTER_LIST_H_