1 /*

     2  * Copyright (C) 2005, 2006, 2007, 2008 Apple 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 *WebActionButtonKey = @"WebActionButtonKey"; 

    37 NSString *WebActionElementKey = @"WebActionElementKey";

    38 NSString *WebActionFormKey = @"WebActionFormKey";

    39 NSString *WebActionModifierFlagsKey = @"WebActionModifierFlagsKey";

    40 NSString *WebActionNavigationTypeKey = @"WebActionNavigationTypeKey";

    41 NSString *WebActionOriginalURLKey = @"WebActionOriginalURLKey";

    42 

    43 @interface WebPolicyDecisionListenerPrivate : NSObject

    44 {

    45 @public

    46     id target;

    47     SEL action;

    48 }

    49 

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

    51 

    52 @end

    53 

    54 @implementation WebPolicyDecisionListenerPrivate

    55 

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

    57 {

    58     self = [super init];

    59     if (!self)

    60         return nil;

    61     target = [t retain];

    62     action = a;

    63     return self;

    64 }

    65 

    66 - (void)dealloc

    67 {

    68     [target release];

    69     [super dealloc];

    70 }

    71 

    72 @end

    73 

    74 @implementation WebPolicyDecisionListener

    75 

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

    77 {

    78     self = [super init];

    79     if (!self)

    80         return nil;

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

    82     return self;

    83 }

    84 

    85 -(void)dealloc

    86 {

    87     [_private release];

    88     [super dealloc];

    89 }

    90 

    91 - (void)_usePolicy:(PolicyAction)policy

    92 {

    93     if (_private->target)

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

    95 }

    96 

    97 - (void)_invalidate

    98 {

    99     id target = _private->target;

   100     _private->target = nil;

   101     [target release];

   102 }

   103 

   104 // WebPolicyDecisionListener implementation

   105 

   106 - (void)use

   107 {

   108     [self _usePolicy:PolicyUse];

   109 }

   110 

   111 - (void)ignore

   112 {

   113     [self _usePolicy:PolicyIgnore];

   114 }

   115 

   116 - (void)download

   117 {

   118     [self _usePolicy:PolicyDownload];

   119 }

   120 

   121 @end