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Clean up image editor temp files.

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This commit is contained in:
Matthew Chen 2018-12-20 09:42:28 -05:00
parent b24e8e4f81
commit a440f692ce
1 changed files with 31 additions and 1 deletions
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32
SignalMessaging/Views/ImageEditor/ImageEditorModel.swift
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@ -496,6 +496,36 @@ public class ImageEditorModel: NSObject {
}, changedItemIds: [item.itemId])
}
// MARK: - Temp Files
private var temporaryFilePaths = [String]()
@objc
public func temporaryFilePath(withFileExtension fileExtension: String) -> String {
AssertIsOnMainThread()
let filePath = OWSFileSystem.temporaryFilePath(withFileExtension: fileExtension)
temporaryFilePaths.append(filePath)
return filePath
}
deinit {
AssertIsOnMainThread()
let temporaryFilePaths = self.temporaryFilePaths
DispatchQueue.global(qos: .background).async {
for filePath in temporaryFilePaths {
guard OWSFileSystem.deleteFile(filePath) else {
Logger.error("Could not delete temp file: \(filePath)")
continue
}
}
}
}
// MARK: - Crop
@objc
public func crop(unitCropRect: CGRect) {
guard let croppedImage = ImageEditorModel.crop(imagePath: contents.imagePath,
@ -510,7 +540,7 @@ public class ImageEditorModel: NSObject {
owsFailDebug("Could not convert cropped image to PNG.")
return
}
let croppedImagePath = OWSFileSystem.temporaryFilePath(withFileExtension: "png")
let croppedImagePath = temporaryFilePath(withFileExtension: "png")
do {
try croppedImageData.write(to: NSURL.fileURL(withPath: croppedImagePath), options: .atomicWrite)
} catch let error as NSError {