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Change font for message body if required

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This commit is contained in:
ismailgulek
2022-03-01 16:48:33 +03:00
parent 28bba39507
commit d61891f2d3
1 changed files with 47 additions and 10 deletions
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Riot/Modules/MatrixKit/Utils/EventFormatter/MXKEventFormatter.m
+47 -10
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@@ -1660,10 +1660,13 @@ static NSString *const kHTMLATagRegexPattern = @"<a href=\"(.*?)\">([^<]*)</a>";
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:string];
NSRange wholeString = NSMakeRange(0, str.length);
UIFont *fontForWholeString = [self fontForEvent:event string:string];
// Apply color and font corresponding to the event state
[str addAttribute:NSForegroundColorAttributeName value:[self textColorForEvent:event] range:wholeString];
[str addAttribute:NSFontAttributeName value:[self fontForEvent:event] range:wholeString];
[str addAttribute:NSFontAttributeName
value:fontForWholeString
range:wholeString];
// If enabled, make links clickable
if (!([[_settings httpLinkScheme] isEqualToString: @"http"] &&
@@ -1695,8 +1698,26 @@ static NSString *const kHTMLATagRegexPattern = @"<a href=\"(.*?)\">([^<]*)</a>";
}
}
// Apply additional treatments
return [self postRenderAttributedString:str];
UIFont *fontForBody = [self fontForEvent:event string:nil];
if ([fontForWholeString isEqual:fontForBody])
{
// body font is the same with the whole string font, no need to change body font
// apply additional treatments
return [self postRenderAttributedString:str];
}
NSRange bodyRange = [str.string rangeOfString:event.content[kMXMessageBodyKey]];
if (bodyRange.location == NSNotFound)
{
// body not found in the whole string
// apply additional treatments
return [self postRenderAttributedString:str];
}
NSMutableAttributedString *mutableStr = [str mutableCopy];
[mutableStr addAttribute:NSFontAttributeName value:fontForBody range:bodyRange];
// apply additional treatments
return [self postRenderAttributedString:mutableStr];
}
- (NSAttributedString*)renderHTMLString:(NSString*)htmlString forEvent:(MXEvent*)event withRoomState:(MXRoomState*)roomState
@@ -1710,20 +1731,20 @@ static NSString *const kHTMLATagRegexPattern = @"<a href=\"(.*?)\">([^<]*)</a>";
}
// Apply the css style that corresponds to the event state
UIFont *font = [self fontForEvent:event];
UIFont *fontForWholeString = [self fontForEvent:event string:htmlString];
// Do some sanitisation before finalizing the string
MXWeakify(self);
DTHTMLAttributedStringBuilderWillFlushCallback sanitizeCallback = ^(DTHTMLElement *element) {
MXStrongifyAndReturnIfNil(self);
[element sanitizeWith:self.allowedHTMLTags bodyFont:font imageHandler:self.htmlImageHandler];
[element sanitizeWith:self.allowedHTMLTags bodyFont:fontForWholeString imageHandler:self.htmlImageHandler];
};
NSDictionary *options = @{
DTUseiOS6Attributes: @(YES), // Enable it to be able to display the attributed string in a UITextView
DTDefaultFontFamily: font.familyName,
DTDefaultFontName: font.fontName,
DTDefaultFontSize: @(font.pointSize),
DTDefaultFontFamily: fontForWholeString.familyName,
DTDefaultFontName: fontForWholeString.fontName,
DTDefaultFontSize: @(fontForWholeString.pointSize),
DTDefaultTextColor: [self textColorForEvent:event],
DTDefaultLinkDecoration: @(NO),
DTDefaultStyleSheet: dtCSS,
@@ -1748,7 +1769,23 @@ static NSString *const kHTMLATagRegexPattern = @"<a href=\"(.*?)\">([^<]*)</a>";
// Finalize HTML blockquote blocks marking
str = [MXKTools removeMarkedBlockquotesArtifacts:str];
return str;
UIFont *fontForBody = [self fontForEvent:event string:nil];
if ([fontForWholeString isEqual:fontForBody])
{
// body font is the same with the whole string font, no need to change body font
return str;
}
NSRange bodyRange = [str.string rangeOfString:event.content[kMXMessageBodyKey]];
if (bodyRange.location == NSNotFound)
{
// body not found in the whole string
return str;
}
NSMutableAttributedString *mutableStr = [str mutableCopy];
[mutableStr addAttribute:NSFontAttributeName value:fontForBody range:bodyRange];
return mutableStr;
}
/**
@@ -2080,7 +2117,7 @@ static NSString *const kHTMLATagRegexPattern = @"<a href=\"(.*?)\">([^<]*)</a>";
Get the text font to use according to the event state.
@param event the event.
@param string the string for the event. It may be different from event.content.body. Pass nil to get font just according to event.content.body.
@param string the string to be rendered for the event. It may be different from event.content.body. Pass nil to get font just according to event.content.body.
@return the text font.
*/
- (UIFont*)fontForEvent:(MXEvent*)event string:(NSString*)string