src/apps/debugger/files/LocatableFile.cpp

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "LocatableFile.h"
   7
   8 #include <AutoLocker.h>
   9
  10 #include "LocatableDirectory.h"
  11
  12
  13 // #pragma mark - LocatableFile
  14
  15
  16 LocatableFile::LocatableFile(LocatableEntryOwner* owner,
  17         LocatableDirectory* directory, const BString& name)
  18         :
  19         LocatableEntry(owner, directory),
  20         fName(name),
  21         fLocatedPath(),
  22         fListeners(8)
  23 {
  24 }
  25
  26
  27 LocatableFile::~LocatableFile()
  28 {
  29 }
  30
  31
  32 const char*
  33 LocatableFile::Name() const
  34 {
  35         return fName.String();
  36 }
  37
  38
  39 void
  40 LocatableFile::GetPath(BString& _path) const
  41 {
  42         fParent->GetPath(_path);
  43         _path << '/' << fName;
  44 }
  45
  46
  47 bool
  48 LocatableFile::GetLocatedPath(BString& _path) const
  49 {
  50         AutoLocker<LocatableEntryOwner> locker(fOwner);
  51
  52         if (fLocatedPath.Length() > 0) {
  53                 _path = fLocatedPath;
  54                 return true;
  55         }
  56
  57         if (!fParent->GetLocatedPath(_path))
  58                 return false;
  59
  60         _path << '/' << fName;
  61         return true;
  62 }
  63
  64
  65 void
  66 LocatableFile::SetLocatedPath(const BString& path, bool implicit)
  67 {
  68         // called with owner already locked
  69
  70         if (implicit) {
  71                 fLocatedPath = (const char*)NULL;
  72                 fState = LOCATABLE_ENTRY_LOCATED_IMPLICITLY;
  73         } else {
  74                 fLocatedPath = path;
  75                 fState = LOCATABLE_ENTRY_LOCATED_EXPLICITLY;
  76         }
  77
  78         _NotifyListeners();
  79 }
  80
  81
  82 bool
  83 LocatableFile::AddListener(Listener* listener)
  84 {
  85         AutoLocker<LocatableEntryOwner> locker(fOwner);
  86         return fListeners.AddItem(listener);
  87 }
  88
  89
  90 void
  91 LocatableFile::RemoveListener(Listener* listener)
  92 {
  93         AutoLocker<LocatableEntryOwner> locker(fOwner);
  94         fListeners.RemoveItem(listener);
  95 }
  96
  97
  98 void
  99 LocatableFile::_NotifyListeners()
 100 {
 101         for (int32 i = fListeners.CountItems() - 1; i >= 0; i--)
 102                 fListeners.ItemAt(i)->LocatableFileChanged(this);
 103 }
 104
 105
 106 // #pragma mark - Listener
 107
 108
 109 LocatableFile::Listener::~Listener()
 110 {
 111 }