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 "WebPolicyDelegatePrivate.h"

    30 

    31 #import <WebCore/FrameLoaderTypes.h>

    32 #import <objc/objc-runtime.h>

    33 

    34 using namespace WebCore;

    35 

    36 NSString *WebActionNavigationTypeKey = @"WebActionNavigationTypeKey";

    37 NSString *WebActionElementKey = @"WebActionElementKey";

    38 NSString *WebActionButtonKey = @"WebActionButtonKey"; 

    39 NSString *WebActionModifierFlagsKey = @"WebActionModifierFlagsKey";

    40 NSString *WebActionOriginalURLKey = @"WebActionOriginalURLKey";

    41 

    42 @interface WebPolicyDecisionListenerPrivate : NSObject

    43 {

    44 @public

    45     id target;

    46     SEL action;

    47 }

    48 

    49 - (id)initWithTarget:(id)target action:(SEL)action;

    50 

    51 @end

    52 

    53 @implementation WebPolicyDecisionListenerPrivate

    54 

    55 - (id)initWithTarget:(id)t action:(SEL)a

    56 {

    57     self = [super init];

    58     if (!self)

    59         return nil;

    60     target = [t retain];

    61     action = a;

    62     return self;

    63 }

    64 

    65 - (void)dealloc

    66 {

    67     [target release];

    68     [super dealloc];

    69 }

    70 

    71 @end

    72 

    73 @implementation WebPolicyDecisionListener

    74 

    75 - (id)_initWithTarget:(id)target action:(SEL)action

    76 {

    77     self = [super init];

    78     if (!self)

    79         return nil;

    80     _private = [[WebPolicyDecisionListenerPrivate alloc] initWithTarget:target action:action];

    81     return self;

    82 }

    83 

    84 -(void)dealloc

    85 {

    86     [_private release];

    87     [super dealloc];

    88 }

    89 

    90 - (void)_usePolicy:(PolicyAction)policy

    91 {

    92     if (_private->target)

    93         ((void (*)(id, SEL, PolicyAction))objc_msgSend)(_private->target, _private->action, policy);

    94 }

    95 

    96 - (void)_invalidate

    97 {

    98     id target = _private->target;

    99     _private->target = nil;

   100     [target release];

   101 }

   102 

   103 // WebPolicyDecisionListener implementation

   104 

   105 - (void)use

   106 {

   107     [self _usePolicy:PolicyUse];

   108 }

   109 

   110 - (void)ignore

   111 {

   112     [self _usePolicy:PolicyIgnore];

   113 }

   114 

   115 - (void)download

   116 {

   117     [self _usePolicy:PolicyDownload];

   118 }

   119 

   120 @end