mirror of https://github.com/zlatinb/muwire
wip on file preview
parent
a2637570b1
commit
036971cfe5
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@ -276,6 +276,57 @@ public class Downloader {
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activeWorkers.put(d, newWorker)
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executorService.submit(newWorker)
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}
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boolean isSequential() {
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pieces.ratio == 0f
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}
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File generatePreview() {
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int lastCompletePiece = pieces.firstIncomplete() - 1
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if (lastCompletePiece == -1)
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return null
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if (lastCompletePiece < -1)
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return file
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long previewableLength = (lastCompletePiece + 1) * ((long)pieceSize)
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// generate name
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long now = System.currentTimeMillis()
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File previewFile
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File parentFile = file.getParentFile()
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int lastDot = file.getName().lastIndexOf('.')
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if (lastDot < 0)
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previewFile = new File(parentFile, file.getName() + "." + String.valueOf(now) + ".mwpreview")
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else {
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String name = file.getName().substring(0, lastDot)
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String extension = file.getName().substring(lastDot + 1)
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String previewName = name + "." + String.valueOf(now) + ".mwpreview."+extension
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previewFile = new File(parentFile, previewName)
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}
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// copy
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InputStream is = null
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OutputStream os = null
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try {
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is = new BufferedInputStream(new FileInputStream(incompleteFile))
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os = new BufferedOutputStream(new FileOutputStream(previewFile))
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byte [] tmp = new byte[0x1 << 13]
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long totalCopied = 0
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while(totalCopied < previewableLength) {
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int read = is.read(tmp, 0, (int)Math.min(tmp.length, previewableLength - totalCopied))
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if (read < 0)
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throw new IOException("EOF?")
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os.write(tmp, 0, read)
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totalCopied += read
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}
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return previewFile
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} catch (IOException bad) {
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log.log(Level.WARNING,"Preview failed",bad)
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return null
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} finally {
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try {is?.close() } catch (IOException ignore) {}
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try {os?.close() } catch (IOException ignore) {}
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}
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}
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class DownloadWorker implements Runnable {
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private final Destination destination
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@ -108,6 +108,10 @@ class Pieces {
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partials.clear()
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}
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synchronized int firstIncomplete() {
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done.nextClearBit(0)
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}
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synchronized void write(PrintWriter writer) {
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for (int i = done.nextSetBit(0); i >= 0; i = done.nextSetBit(i+1)) {
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writer.println(i)
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@ -204,6 +204,16 @@ class MainFrameController {
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downloader.pause()
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core.eventBus.publish(new UIDownloadPausedEvent())
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}
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@ControllerAction
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void preview() {
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def downloader = model.downloads[selectedDownload()].downloader
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File previewFile = downloader.generatePreview()
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if (previewFile != null)
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Desktop.getDesktop().open(previewFile)
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else
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JOptionPane.showMessageDialog(null, "Failed to generate preview", "Failed to generate preveiw", JOptionPane.ERROR_MESSAGE)
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}
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@ControllerAction
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void clear() {
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@ -216,6 +216,7 @@ class MainFrameView {
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button(text: "Pause", enabled : bind {model.pauseButtonEnabled}, pauseAction)
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button(text: bind { model.resumeButtonText }, enabled : bind {model.retryButtonEnabled}, resumeAction)
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button(text: "Cancel", enabled : bind {model.cancelButtonEnabled }, cancelAction)
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button(text: "Preview", previewAction)
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button(text: "Clear Done", enabled : bind {model.clearButtonEnabled}, clearAction)
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}
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}
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