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 * for the specific language governing rights and limitations under the
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 *
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 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsMimeTypeArray_h___
#define nsMimeTypeArray_h___

#include "nsIDOMMimeTypeArray.h"
#include "nsIDOMMimeType.h"
#include "nsString.h"
#include "nsCOMPtr.h"

class nsIDOMNavigator;

// NB: Due to weak references, nsNavigator has intimate knowledge of our
// members.
class nsMimeTypeArray : public nsIDOMMimeTypeArray
{
public:
	nsMimeTypeArray(nsIDOMNavigator* navigator);
	virtual ~nsMimeTypeArray();

	NS_DECL_ISUPPORTS

	NS_IMETHOD GetLength(PRUint32* aLength);
	NS_IMETHOD Item(PRUint32 aIndex, nsIDOMMimeType** aReturn);
	NS_IMETHOD NamedItem(const nsAString& aName, nsIDOMMimeType** aReturn);
	nsresult   Refresh();

  void Invalidate()
  {
    // NB: This will cause GetMimeTypes to fail from now on.
    mNavigator = nsnull;
    Clear();
  }

private:
  nsresult GetMimeTypes();
  void     Clear();

protected:
	nsIDOMNavigator* mNavigator;
	PRUint32 mMimeTypeCount;
	nsIDOMMimeType** mMimeTypeArray;
};

class nsMimeType : public nsIDOMMimeType
{
public:
	nsMimeType(nsIDOMPlugin* aPlugin, nsIDOMMimeType* aMimeType);
	virtual ~nsMimeType();

	NS_DECL_ISUPPORTS

	NS_IMETHOD GetDescription(nsAString& aDescription);
	NS_IMETHOD GetEnabledPlugin(nsIDOMPlugin** aEnabledPlugin);
	NS_IMETHOD GetSuffixes(nsAString& aSuffixes);
	NS_IMETHOD GetType(nsAString& aType);

protected:
	nsIDOMPlugin* mPlugin;
	nsCOMPtr<nsIDOMMimeType> mMimeType;
};

class nsHelperMimeType : public nsIDOMMimeType
{
public:
	nsHelperMimeType(const nsAString& aType)
		: mType(aType)
	{
  }

	virtual ~nsHelperMimeType()
  {
  }

	NS_DECL_ISUPPORTS

	NS_IMETHOD GetDescription(nsAString& aDescription);
	NS_IMETHOD GetEnabledPlugin(nsIDOMPlugin** aEnabledPlugin);
	NS_IMETHOD GetSuffixes(nsAString& aSuffixes);
	NS_IMETHOD GetType(nsAString& aType);
  
private:
	nsString mType;
};

#endif /* nsMimeTypeArray_h___ */