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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is mozilla.org code.
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
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#ifndef nsIFormSubmission_h___
#define nsIFormSubmission_h___

#include "nsISupports.h"
class nsAString;
class nsACString;
class nsIURI;
class nsIInputStream;
class nsGenericHTMLElement;
class nsILinkHandler;
class nsIContent;
class nsIFormControl;
class nsIDOMHTMLElement;
class nsIDocShell;
class nsIRequest;

{ 0x7ee38e3a, 0x1dd2, 0x11b2, \
  {0x89, 0x6f, 0xab, 0x28, 0x03, 0x96, 0x25, 0xa9} }

 * Interface for form submissions; encompasses the function to call to submit as
 * well as the form submission name/value pairs
00061 class nsIFormSubmission : public nsISupports


   * Find out whether or not this form submission accepts files
   * @param aAcceptsFiles the boolean output
  virtual PRBool AcceptsFiles() const = 0;

   * Call to perform the submission
   * @param aActionURL the URL to submit to (may be modified with GET contents)
   * @param aTarget the target window
   * @param aSource the element responsible for the submission (for web shell)
   * @param aLinkHandler the link handler to use
   * @param aDocShell (out param) the DocShell in which the submission was
   *        loaded
   * @param aRequest (out param) the Request for the submission
  virtual nsresult SubmitTo(nsIURI* aActionURL, const nsAString& aTarget,
                            nsIContent* aSource, nsILinkHandler* aLinkHandler,
                            nsIDocShell** aDocShell,
                            nsIRequest** aRequest) = 0;

   * Submit a name/value pair
   * @param aSource the control sending the parameter
   * @param aName the name of the parameter
   * @param aValue the value of the parameter
  virtual nsresult AddNameValuePair(nsIDOMHTMLElement* aSource,
                                    const nsAString& aName,
                                    const nsAString& aValue) = 0;

   * Submit a name/file pair
   * @param aSource the control sending the parameter
   * @param aName the name of the parameter
   * @param aFilename the name of the file (pass null to provide no name)
   * @param aStream the stream containing the file data to be sent
   * @param aContentType the content-type of the file data being sent
   * @param aMoreFilesToCome true if another name/file pair with the same name
   *        will be sent soon
  virtual nsresult AddNameFilePair(nsIDOMHTMLElement* aSource,
                               const nsAString& aName,
                               const nsAString& aFilename,
                               nsIInputStream* aStream,
                               const nsACString& aContentType,
                               PRBool aMoreFilesToCome) = 0;



// Factory methods

 * Get a submission object based on attributes in the form (ENCTYPE and METHOD)
 * @param aForm the form to get a submission object based on
 * @param aFormSubmission the form submission object (out param)
nsresult GetSubmissionFromForm(nsGenericHTMLElement* aForm,
                               nsIFormSubmission** aFormSubmission);

#endif /* nsIFormSubmission_h___ */

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