1 /*

     2  * Copyright (C) 2005 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 "WebRenderNode.h"

    30 

    31 #import <WebKit/WebFrameBridge.h>

    32 #import <WebKit/WebFrameView.h>

    33 #import <WebKit/WebHTMLView.h>

    34 #import <WebKit/WebDataSourceInternal.h>

    35 #import <WebKit/WebNSViewExtras.h>

    36 #import "WebFrameInternal.h"

    37 

    38 @interface WebKitRenderTreeCopier : NSObject <WebCoreRenderTreeCopier>

    39 @end

    40 

    41 @implementation WebRenderNode

    42 

    43 - initWithName:(NSString *)n position: (NSPoint)p rect:(NSRect)r view:(NSView *)view children:(NSArray *)c

    44 {

    45     NSMutableArray *collectChildren;

    46     

    47     self = [super init];

    48     if (!self)

    49         return nil;

    50 

    51     collectChildren = [c mutableCopy];

    52 

    53     name = [n retain];

    54     rect = r;

    55     absolutePosition = p;

    56 

    57     if ([view isKindOfClass:[NSScrollView class]]) {

    58         NSScrollView *scrollView = (NSScrollView *)view;

    59         view = [scrollView superview];

    60     }

    61     if ([view isKindOfClass:[WebFrameView class]]) {

    62         WebFrameView *webFrameView = (WebFrameView *)view;

    63         WebRenderNode *node = [[WebRenderNode alloc] initWithWebFrameView:webFrameView];

    64         [collectChildren addObject:node];

    65         [node release];

    66     }

    67     

    68     children = [collectChildren copy];

    69     [collectChildren release];

    70     

    71     return self;

    72 }

    73 

    74 - initWithWebFrameView:(WebFrameView *)view

    75 {

    76     WebKitRenderTreeCopier *copier;

    77     

    78     [self release];

    79 

    80     if (![[view documentView] isMemberOfClass:[WebHTMLView class]]) {

    81         return nil;

    82     }

    83     

    84     copier = [[WebKitRenderTreeCopier alloc] init];

    85     self = [[[[[view webFrame] _dataSource] _bridge] copyRenderTree:copier] retain];

    86     [copier release];

    87     

    88     return self;

    89 }

    90 

    91 - (void)dealloc

    92 {

    93     [children release];

    94     [name release];

    95     [super dealloc];

    96 }

    97 

    98 - (NSArray *)children

    99 {

   100     return children;

   101 }

   102 

   103 - (NSString *)name

   104 {

   105     return name;

   106 }

   107 

   108 - (NSString *)absolutePositionString

   109 {

   110     return [NSString stringWithFormat:@"(%.0f, %.0f)", absolutePosition.x, absolutePosition.y];

   111 }

   112 

   113 - (NSString *)positionString

   114 {

   115     return [NSString stringWithFormat:@"(%.0f, %.0f)", rect.origin.x, rect.origin.y];

   116 }

   117 

   118 - (NSString *)widthString

   119 {

   120     return [NSString stringWithFormat:@"%.0f", rect.size.width];

   121 }

   122 

   123 - (NSString *)heightString

   124 {

   125     return [NSString stringWithFormat:@"%.0f", rect.size.height];

   126 }

   127 

   128 @end

   129 

   130 @implementation WebKitRenderTreeCopier

   131 

   132 - (NSObject *)nodeWithName:(NSString *)name position: (NSPoint)p rect:(NSRect)rect view:(NSView *)view children:(NSArray *)children

   133 {

   134     return [[[WebRenderNode alloc] initWithName:name position: p rect:rect view:view children:children] autorelease];

   135 }

   136 

   137 @end