1 /*

     2  * Copyright (C) 2005, 2006 Apple Computer, Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  *

     8  * 1.  Redistributions of source code must retain the above copyright

     9  *     notice, this list of conditions and the following disclaimer. 

    10  * 2.  Redistributions in binary form must reproduce the above copyright

    11  *     notice, this list of conditions and the following disclaimer in the

    12  *     documentation and/or other materials provided with the distribution. 

    13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    14  *     its contributors may be used to endorse or promote products derived

    15  *     from this software without specific prior written permission. 

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    27  */

    28 

    29 #import "WebFormDelegatePrivate.h"

    30 

    31 // FIXME: This could become an informal protocol; we switched all the API

    32 // delegates to be informal.

    33 

    34 @implementation WebFormDelegate

    35 

    36 static WebFormDelegate *sharedDelegate = nil;

    37 

    38 // Return a object with NOP implementations of the protocol's methods

    39 // Note this feature relies on our default delegate being stateless

    40 + (WebFormDelegate *)_sharedWebFormDelegate

    41 {

    42     if (!sharedDelegate)

    43         sharedDelegate = [[WebFormDelegate alloc] init];

    44     return sharedDelegate;

    45 }

    46     

    47 - (void)textFieldDidBeginEditing:(DOMHTMLInputElement *)element inFrame:(WebFrame *)frame

    48 {

    49 }

    50 

    51 - (void)textFieldDidEndEditing:(DOMHTMLInputElement *)element inFrame:(WebFrame *)frame

    52 {

    53 }

    54 

    55 - (void)textDidChangeInTextField:(DOMHTMLInputElement *)element inFrame:(WebFrame *)frame

    56 {

    57 }

    58 

    59 - (void)textDidChangeInTextArea:(DOMHTMLTextAreaElement *)element inFrame:(WebFrame *)frame

    60 {

    61 }

    62 

    63 - (BOOL)textField:(DOMHTMLInputElement *)element doCommandBySelector:(SEL)commandSelector inFrame:(WebFrame *)frame

    64 {

    65     return NO;

    66 }

    67 

    68 - (BOOL)textField:(DOMHTMLInputElement *)element shouldHandleEvent:(NSEvent *)event inFrame:(WebFrame *)frame

    69 {

    70     return NO;

    71 }

    72 

    73 - (void)frame:(WebFrame *)frame sourceFrame:(WebFrame *)sourceFrame willSubmitForm:(DOMElement *)form

    74     withValues:(NSDictionary *)values submissionListener:(id <WebFormSubmissionListener>)listener

    75 {

    76     [listener continue];

    77 }

    78 

    79 @end