src/apps/haikudepot/model/LocalIconStore.cpp

   1 /*
   2  * Copyright 2017, Andrew Lindesay <apl@lindesay.co.nz>.
   3  * All rights reserved. Distributed under the terms of the MIT License.
   4  */
   5
   6 #include "LocalIconStore.h"
   7
   8 #include <stdio.h>
   9
  10 #include <Directory.h>
  11 #include <FindDirectory.h>
  12
  13 #include "Logger.h"
  14 #include "ServerIconExportUpdateProcess.h"
  15 #include "StorageUtils.h"
  16
  17
  18 LocalIconStore::LocalIconStore(const BPath& path)
  19 {
  20         fIconStoragePath = path;
  21 }
  22
  23
  24 LocalIconStore::~LocalIconStore()
  25 {
  26 }
  27
  28
  29 bool
  30 LocalIconStore::_HasIconStoragePath() const
  31 {
  32         return fIconStoragePath.InitCheck() == B_OK;
  33 }
  34
  35
  36 /* This method will try to find an icon for the package name supplied.  If an
  37  * icon was able to be found then the method will return B_OK and will update
  38  * the supplied path object with the path to the icon file.
  39  */
  40
  41 status_t
  42 LocalIconStore::TryFindIconPath(const BString& pkgName, BPath& path) const
  43 {
  44         BPath bestIconPath;
  45         BPath iconPkgPath(fIconStoragePath);
  46         bool exists;
  47         bool isDir;
  48
  49         if ( (iconPkgPath.Append("hicn") == B_OK)
  50                 && (iconPkgPath.Append(pkgName) == B_OK)
  51                 && (StorageUtils::ExistsObject(iconPkgPath, &exists, &isDir, NULL)
  52                         == B_OK)
  53                 && exists
  54                 && isDir
  55                 && (_IdentifyBestIconFileAtDirectory(iconPkgPath, bestIconPath)
  56                         == B_OK)
  57         ) {
  58                 path = bestIconPath;
  59                 return B_OK;
  60         }
  61
  62         path.Unset();
  63         return B_FILE_NOT_FOUND;
  64 }
  65
  66
  67 status_t
  68 LocalIconStore::_IdentifyBestIconFileAtDirectory(const BPath& directory,
  69         BPath& bestIconPath) const
  70 {
  71         StringList iconLeafnames;
  72
  73         iconLeafnames.Add("icon.hvif");
  74         iconLeafnames.Add("64.png");
  75         iconLeafnames.Add("32.png");
  76         iconLeafnames.Add("16.png");
  77
  78         bestIconPath.Unset();
  79
  80         for (int32 i = 0; i < iconLeafnames.CountItems(); i++) {
  81                 BString iconLeafname = iconLeafnames.ItemAt(i);
  82                 BPath workingPath(directory);
  83                 bool exists;
  84                 bool isDir;
  85
  86                 if ( (workingPath.Append(iconLeafname) == B_OK
  87                         && StorageUtils::ExistsObject(
  88                                 workingPath, &exists, &isDir, NULL) == B_OK)
  89                         && exists
  90                         && !isDir) {
  91                         bestIconPath.SetTo(workingPath.Path());
  92                         return B_OK;
  93                 }
  94         }
  95
  96         return B_FILE_NOT_FOUND;
  97 }