Adding a way to provide storage card location information for devices. npodb

minimo/components/device/nsDeviceSupport.cpp

@@ -43,6 +43,20 @@
 #include "nsIPrefBranch.h"
 #include "nsIPrefService.h"
 
+#include "nsIDirectoryService.h"
+
+#include "nsIFile.h"
+#include "nsILocalFile.h"
+#include "nsISimpleEnumerator.h"
+#include "nsIPrefService.h"
+#include "nsIPrefBranch.h"
+
+#include "nsAppDirectoryServiceDefs.h"
+#include "nsCategoryManagerUtils.h"
+#include "nsCOMArray.h"
+#include "nsIGenericFactory.h"
+#include "nsString.h"
+#include "nsArrayEnumerator.h"
 
 #include "string.h"
 #include "nsMemory.h"
@@ -231,10 +245,117 @@ NS_IMETHODIMP nsDeviceSupport::SetShouldCheckDefaultBrowser(PRBool aShouldCheckD
    return NS_OK;
 }
 
+class nsStorageCardDirectoryProvider : public nsIDirectoryServiceProvider2
+{
+
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIDIRECTORYSERVICEPROVIDER
+  NS_DECL_NSIDIRECTORYSERVICEPROVIDER2
+};
+
+NS_IMPL_ISUPPORTS2(nsStorageCardDirectoryProvider,
+                   nsIDirectoryServiceProvider,
+                   nsIDirectoryServiceProvider2)
+
+NS_IMETHODIMP
+nsStorageCardDirectoryProvider::GetFile(const char *aKey, PRBool *aPersist, nsIFile* *aResult)
+{
+  *aResult = nsnull;
+  return NS_ERROR_FAILURE;
+}
+
+NS_IMETHODIMP
+nsStorageCardDirectoryProvider::GetFiles(const char *aKey, nsISimpleEnumerator* *aResult)
+{
+
+  nsresult rv;
+
+#ifdef WINCE
+
+#define CF_CARDS_FLAGS (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_TEMPORARY)
+
+  if (!strcmp(aKey, "SCDirList")) 
+  {
+    nsCOMArray<nsIFile> directories;
+    
+    WIN32_FIND_DATA fd;
+    HANDLE hCF = FindFirstFileA("\\*",&fd);
+
+    if (INVALID_HANDLE_VALUE == hCF) return 0;
+    
+    do
+    {
+      if ((fd.dwFileAttributes & CF_CARDS_FLAGS) == CF_CARDS_FLAGS)
+      {
+        nsCOMPtr<nsILocalFile> dir = do_CreateInstance("@mozilla.org/file/local;1", &rv);
+
+        dir->InitWithNativePath(NS_LITERAL_CSTRING("\\"));
+        dir->AppendNative(nsDependentCString(fd.cFileName));
+
+        directories.AppendObject(dir);
+      }
+    } while (FindNextFileA(hCF,&fd));
+    
+    FindClose(hCF);
+
+    return NS_NewArrayEnumerator(aResult, directories);
+  }
+#endif
+
+  return NS_ERROR_FAILURE;
+}
+
 //------------------------------------------------------------------------------
 //  XPCOM REGISTRATION BELOW
 //------------------------------------------------------------------------------
 
+static char const kDirectoryProviderContractID[] = "@mozilla.org/device/directory-provider;1";
+
+static NS_METHOD
+RegisterDirectoryProvider(nsIComponentManager* aCompMgr,
+                          nsIFile* aPath, const char *aLoaderStr,
+                          const char *aType,
+                          const nsModuleComponentInfo *aInfo)
+{
+  nsresult rv;
+  
+  nsCOMPtr<nsICategoryManager> catMan = do_GetService(NS_CATEGORYMANAGER_CONTRACTID);
+  if (!catMan)
+    return NS_ERROR_FAILURE;
+  
+  rv = catMan->AddCategoryEntry(XPCOM_DIRECTORY_PROVIDER_CATEGORY,
+                                "device-directory-provider",
+                                kDirectoryProviderContractID,
+                                PR_TRUE, PR_TRUE, nsnull);
+  return rv;
+}
+
+
+static NS_METHOD
+UnregisterDirectoryProvider(nsIComponentManager* aCompMgr,
+                            nsIFile* aPath, const char *aLoaderStr,
+                            const nsModuleComponentInfo *aInfo)
+{
+  nsresult rv;
+  
+  nsCOMPtr<nsICategoryManager> catMan
+    (do_GetService(NS_CATEGORYMANAGER_CONTRACTID));
+  if (!catMan)
+    return NS_ERROR_FAILURE;
+  
+  rv = catMan->DeleteCategoryEntry(XPCOM_DIRECTORY_PROVIDER_CATEGORY,
+                                   "device-directory-provider", 
+                                   PR_TRUE);
+  return rv;
+}
+
+
+#define NS_STORAGECARDDIRECTORYPROVIDER_CID \
+  { 0x268b9c42, 0x86c4, 0x4ab3, { 0x92, 0xbe, 0xfe, 0x3d, 0x5f, 0x23, 0x08, 0x0a } }
+
+NS_GENERIC_FACTORY_CONSTRUCTOR(nsStorageCardDirectoryProvider)
+
 #define DeviceSupport_CID \
 {  0x6b60b326, 0x483e, 0x47d6, {0x82, 0x87, 0x88, 0x1a, 0xd9, 0x51, 0x0c, 0x8f} }
 
@@ -248,7 +369,17 @@ static const nsModuleComponentInfo components[] =
     DeviceSupport_CID, 
     DeviceSupport_ContractID,
     nsDeviceSupportConstructor,
+  },
+
+  {
+    "nsStorageCardDirectoryProvider",
+    NS_STORAGECARDDIRECTORYPROVIDER_CID,
+    kDirectoryProviderContractID,
+    nsStorageCardDirectoryProviderConstructor,
+    //    RegisterDirectoryProvider,
+    //    UnregisterDirectoryProvider
   }
+
 };
 
 NS_IMPL_NSGETMODULE(DeviceSupportModule, components)