forked from mirrors/gecko-dev
92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* MODULE NOTES:
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* @created kmcclusk 10/19/99
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*
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*/
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#ifndef nsIFormProcessor_h__
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#define nsIFormProcessor_h__
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#include "nsISupports.h"
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#include "nsStringFwd.h"
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#include "nsTArrayForwardDeclare.h"
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namespace mozilla {
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namespace dom {
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class Element;
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}
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}
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// {0ae53c0f-8ea2-4916-bedc-717443c3e185}
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#define NS_FORMPROCESSOR_CID \
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{ 0x0ae53c0f, 0x8ea2, 0x4916, { 0xbe, 0xdc, 0x71, 0x74, 0x43, 0xc3, 0xe1, 0x85 } }
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#define NS_FORMPROCESSOR_CONTRACTID "@mozilla.org/layout/form-processor;1"
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// bf8b1986-8800-424b-b1e5-7a2ca8b9e76c
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#define NS_IFORMPROCESSOR_IID \
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{ 0xbf8b1986, 0x8800, 0x424b, \
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{ 0xb1, 0xe5, 0x7a, 0x2c, 0xa8, 0xb9, 0xe7, 0x6c } }
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// XXX:In the future, we should examine combining this interface with nsIFormSubmitObserver.
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// nsIFormSubmitObserver could have a before, during, and after form submission methods.
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// The before and after methods would be passed a nsISupports interface. The During would
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// Have the same method signature as ProcessValue.
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class nsIFormProcessor : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IFORMPROCESSOR_IID)
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/* ProcessValue is called for each name value pair that is
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* about to be submitted for both "get" and "post" form submissions.
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*
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* The formprocessor is registered as a service that gets called for
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* every form submission.
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*
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* @param aElement element which the attribute/value pair is submitted for
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* @param aName value of the form element name attribute about to be submitted
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* @param aValue On entry it contains the value about to be submitted for aName.
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* On exit it contains the value which will actually be submitted for aName.
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*
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*/
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virtual nsresult ProcessValue(mozilla::dom::Element* aElement,
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const nsAString& aName,
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nsAString& aValue) = 0;
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/**
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* The same as above, but with the element unpacked so that this can be
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* called as the result of an IPC message.
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*/
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virtual nsresult ProcessValueIPC(const nsAString& aOldValue,
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const nsAString& aKeyType,
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const nsAString& aChallenge,
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const nsAString& aKeyParams,
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nsAString& newValue) = 0;
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/* Provide content for a form element. This method provides a mechanism to provide
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* content which comes from a source other than the document (i.e. a local database)
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*
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* @param aFormType Type of form to get content for.
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* @param aOptions List of nsStrings which define the contents for the form element
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* @param aAttr Attribute to be attached to the form element. It is used to identify
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* the form element contains non-standard content.
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*/
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virtual nsresult ProvideContent(const nsAString& aFormType,
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nsTArray<nsString>& aContent,
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nsAString& aAttribute) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIFormProcessor, NS_IFORMPROCESSOR_IID)
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#endif /* nsIFormProcessor_h__ */
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