signalapp/Signal-iOS
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Clean up the data source class.

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// FREEBIE
This commit is contained in:
Matthew Chen 2017-09-08 15:55:06 -04:00
parent d3ad0950ba
commit bb2a822f3f
1 changed files with 3 additions and 9 deletions
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12
Signal/src/Models/SignalAttachment.swift
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@ -228,15 +228,6 @@ class SignalAttachment: NSObject {
return fileExtension
}
// Returns the file extension for this attachment or nil if no file extension
// can be identified.
var fileExtensionNonNil: String {
if let fileExtension = fileExtension {
return fileExtension
}
return ""
}
// Returns the set of UTIs that correspond to valid _input_ image formats
// for Signal attachments.
//
@ -299,6 +290,9 @@ class SignalAttachment: NSObject {
public var isValidImage: Bool {
if let dataPath = dataSource.dataPathIfOnDisk() {
// if ows_isValidImage is given a file path, it will
// avoid loading most of the data into memory, which
// is considerably more performant, so try to do that.
return NSData.ows_isValidImage(atPath:dataPath)
}