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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/243758">243758</a></dd>
<dt>Author</dt> <dd>timothy@apple.com</dd>
<dt>Date</dt> <dd>2019-04-02 14:06:49 -0700 (Tue, 02 Apr 2019)</dd>
</dl>
<h3>Log Message</h3>
<pre>NSAttributedString crashes when encoding text attachment cell for missing image.
https://bugs.webkit.org/show_bug.cgi?id=196504
rdar://problem/49161281
Reviewed by Tim Horton.
Clean up and fix a couple of errors and crashes in the missing image path of our
attributed string converter.
Fixes include:
* Removed manual call to release on a RetainPtr, leading to autorelease pool crash.
* No longer try to load an image that is missing on disk and has long been renamed.
* No longer use a NSTextAttachmentCell in the Mac code path which can't be encoded
for sending to the UIProcess, so it was pretty useless in the web content process.
* Stopped using NSFileWrapper for the missing image so the attachment can contain the
retina versions of the missing image.
* Simplified bundle finding code, since WebCore is assumed to be loaded.
* Fix leak of attachment by adding missing adoptNS().
* editing/cocoa/HTMLConverter.mm:
(HTMLConverter::_addAttachmentForElement): Unify and simplify missing image path.
(_NSFirstPathForDirectoriesInDomains): Deleted.
(_NSSystemLibraryPath): Deleted.
(_webKitBundle): Deleted.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreeditingcocoaHTMLConvertermm">trunk/Source/WebCore/editing/cocoa/HTMLConverter.mm</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (243757 => 243758)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2019-04-02 20:48:19 UTC (rev 243757)
+++ trunk/Source/WebCore/ChangeLog 2019-04-02 21:06:49 UTC (rev 243758)
</span><span class="lines">@@ -1,3 +1,30 @@
</span><ins>+2019-04-02 Timothy Hatcher <timothy@apple.com>
+
+ NSAttributedString crashes when encoding text attachment cell for missing image.
+ https://bugs.webkit.org/show_bug.cgi?id=196504
+ rdar://problem/49161281
+
+ Reviewed by Tim Horton.
+
+ Clean up and fix a couple of errors and crashes in the missing image path of our
+ attributed string converter.
+
+ Fixes include:
+ * Removed manual call to release on a RetainPtr, leading to autorelease pool crash.
+ * No longer try to load an image that is missing on disk and has long been renamed.
+ * No longer use a NSTextAttachmentCell in the Mac code path which can't be encoded
+ for sending to the UIProcess, so it was pretty useless in the web content process.
+ * Stopped using NSFileWrapper for the missing image so the attachment can contain the
+ retina versions of the missing image.
+ * Simplified bundle finding code, since WebCore is assumed to be loaded.
+ * Fix leak of attachment by adding missing adoptNS().
+
+ * editing/cocoa/HTMLConverter.mm:
+ (HTMLConverter::_addAttachmentForElement): Unify and simplify missing image path.
+ (_NSFirstPathForDirectoriesInDomains): Deleted.
+ (_NSSystemLibraryPath): Deleted.
+ (_webKitBundle): Deleted.
+
</ins><span class="cx"> 2019-04-02 Chris Dumez <cdumez@apple.com>
</span><span class="cx">
</span><span class="cx"> [Fetch API] Allow used body replacement in Request constructor
</span></span></pre></div>
<a id="trunkSourceWebCoreeditingcocoaHTMLConvertermm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/editing/cocoa/HTMLConverter.mm (243757 => 243758)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/editing/cocoa/HTMLConverter.mm 2019-04-02 20:48:19 UTC (rev 243757)
+++ trunk/Source/WebCore/editing/cocoa/HTMLConverter.mm 2019-04-02 21:06:49 UTC (rev 243758)
</span><span class="lines">@@ -98,6 +98,7 @@
</span><span class="cx"> #define PlatformNSColorClass getNSColorClass()
</span><span class="cx"> #define PlatformFont UIFont
</span><span class="cx"> #define PlatformFontClass PAL::getUIFontClass()
</span><ins>+#define PlatformImageClass PAL::getUIImageClass()
</ins><span class="cx">
</span><span class="cx"> #else
</span><span class="cx">
</span><span class="lines">@@ -113,6 +114,7 @@
</span><span class="cx"> #define PlatformNSColorClass NSColor
</span><span class="cx"> #define PlatformFont NSFont
</span><span class="cx"> #define PlatformFontClass NSFont
</span><ins>+#define PlatformImageClass NSImage
</ins><span class="cx">
</span><span class="cx"> #endif
</span><span class="cx">
</span><span class="lines">@@ -772,28 +774,6 @@
</span><span class="cx"> return false;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-#if PLATFORM(IOS_FAMILY)
-static NSString *_NSFirstPathForDirectoriesInDomains(NSSearchPathDirectory directory, NSSearchPathDomainMask domainMask, BOOL expandTilde)
-{
- NSArray *array = NSSearchPathForDirectoriesInDomains(directory, domainMask, expandTilde);
- return [array count] >= 1 ? [array objectAtIndex:0] : nil;
-}
-
-static NSString *_NSSystemLibraryPath(void)
-{
- return _NSFirstPathForDirectoriesInDomains(NSLibraryDirectory, NSSystemDomainMask, YES);
-}
-
-static NSBundle *_webKitBundle()
-{
- // FIXME: This should probably use the WebCore bundle to avoid the layering violation.
- NSBundle *bundle = [NSBundle bundleWithIdentifier:@"com.apple.WebKit"];
- if (!bundle)
- bundle = [NSBundle bundleWithPath:[_NSSystemLibraryPath() stringByAppendingPathComponent:@"Frameworks/WebKit.framework"]];
- return bundle;
-}
-#endif
-
</del><span class="cx"> static inline NSShadow *_shadowForShadowStyle(NSString *shadowStyle)
</span><span class="cx"> {
</span><span class="cx"> NSShadow *shadow = nil;
</span><span class="lines">@@ -1359,19 +1339,15 @@
</span><span class="cx"> [attachment setIgnoresOrientation:YES];
</span><span class="cx"> #endif
</span><span class="cx"> } else {
</span><ins>+ NSBundle *webCoreBundle = [NSBundle bundleWithIdentifier:@"com.apple.WebCore"];
</ins><span class="cx"> #if PLATFORM(IOS_FAMILY)
</span><del>- [attachment release];
- NSURL *missingImageURL = [_webKitBundle() URLForResource:@"missing_image" withExtension:@"tiff"];
- ASSERT_WITH_MESSAGE(missingImageURL != nil, "Unable to find missing_image.tiff!");
- NSFileWrapper *missingImageFileWrapper = [[[NSFileWrapper alloc] initWithURL:missingImageURL options:0 error:NULL] autorelease];
- attachment = [[PlatformNSTextAttachment alloc] initWithFileWrapper:missingImageFileWrapper];
</del><ins>+ UIImage *missingImage = [PlatformImageClass imageNamed:@"missingImage" inBundle:webCoreBundle compatibleWithTraitCollection:nil];
</ins><span class="cx"> #else
</span><del>- static NSImage *missingImage = nil;
- NSTextAttachmentCell *cell;
- cell = [[NSTextAttachmentCell alloc] initImageCell:missingImage];
- [attachment setAttachmentCell:cell];
- [cell release];
</del><ins>+ NSImage *missingImage = [webCoreBundle imageForResource:@"missingImage"];
</ins><span class="cx"> #endif
</span><ins>+ ASSERT_WITH_MESSAGE(missingImage != nil, "Unable to find missingImage.");
+ attachment = adoptNS([[PlatformNSTextAttachment alloc] initWithData:nil ofType:nil]);
+ attachment.get().image = missingImage;
</ins><span class="cx"> }
</span><span class="cx"> [_attrStr replaceCharactersInRange:rangeToReplace withString:string.get()];
</span><span class="cx"> rangeToReplace.length = [string length];
</span></span></pre>
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