答案 0 :(得分：4)
The DJ project very nice example中使用的JWebBrowser WebBrowserListener组件支持一个可以添加到其中以接收浏览器事件的侦听器。您可以使用这些事件来搜索指示视频已完成的特定事件。这取决于YouTube的工作方式，这可能取决于平台/浏览器，并会随着时间的推移而发生变化。所以这里没有硬科学，但也许这种方法对你的情况来说已经足够了。
以下是上述示例的修改代码，它为浏览器事件添加了一个监听器（仅实现了十个可用的import java.awt.*;
import java.text.*;
import java.util.*;
import javax.swing.*;
import chrriis.dj.nativeswing.swtimpl.*;
import chrriis.dj.nativeswing.swtimpl.components.*;
public class YouTubeViewerV2 {
private static final DateFormat DATE_FORMAT = new SimpleDateFormat("mm:ss.SSS");
private JWebBrowser webBrowser;
public static void main(String[] arguments) {
new YouTubeViewerV2().createAndShowGui();
}
private void createAndShowGui() {
NativeInterface.open();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame("YouTube Viewer");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.getContentPane().add(getBrowserPanel(), BorderLayout.CENTER);
frame.setSize(800, 600);
frame.setLocationByPlatform(true);
frame.setVisible(true);
}
});
NativeInterface.runEventPump();
// Don't forget to properly close native components.
Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
@Override
public void run() {
NativeInterface.close();
}
}));
}
private JPanel getBrowserPanel() {
JPanel webBrowserPanel = new JPanel(new BorderLayout());
webBrowser = new JWebBrowser();
webBrowser.setBarsVisible(false);
//webBrowser.navigate("https://www.youtube.com/v/b-Cr0EWwaTk?fs=1");
webBrowser.navigate("https://youtu.be/RnqAXuLZlaE?t=3m7s");
webBrowser.addWebBrowserListener(getBrowserListener());
webBrowserPanel.add(webBrowser, BorderLayout.CENTER);
return webBrowserPanel;
}
private WebBrowserListener getBrowserListener() {
return new WebBrowserAdapter() {
@Override
public void loadingProgressChanged(WebBrowserEvent e) {
log("Loading progress changed: " + webBrowser.getLoadingProgress());
log("");
}
@Override
public void statusChanged(WebBrowserEvent e) {
log("Status changed - text: " + webBrowser.getStatusText());
log("Status changed - location: " + webBrowser.getResourceLocation());
log("");
}
};
}
private void log(String line) {
System.out.println("[" + DATE_FORMAT.format(new Date()) + "] " + line);
}
}
方法中的两个）和一些日志记录。我使用了Jk1和DJNativeSwing-SWT-1-0-2：
[00:23.489] Status changed - text: Done
[00:23.500] Status changed - location: about:blank
[00:23.500]
[00:23.585] Loading progress changed: 0
[00:23.585]
[00:23.586] Status changed - text: Waiting for https://youtu.be/RnqAXuLZlaE?t=3m7s...
[00:23.587] Status changed - location: about:blank
[00:23.587]
[00:23.691] Loading progress changed: 0
[00:23.692]
[00:23.704] Status changed - text: Waiting for https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s...
[00:23.707] Status changed - text:
[00:23.903] Status changed - text: Waiting for https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s...
[00:23.913] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:23.913]
[00:23.913] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:23.913]
[00:23.913] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:23.913]
[00:23.997] Status changed - text: Done
[00:23.997] Loading progress changed: 100
[00:23.997]
[00:24.039] Status changed - text: Waiting for https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s...
[00:24.042] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.042]
[00:24.042] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.042]
[00:24.088] Status changed - text: Done
[00:24.124] Status changed - text: Waiting for https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s...
[00:24.140] Status changed - text: Waiting for javascript:""...
[00:24.143] Status changed - text: Done
[00:24.155] Loading progress changed: 100
[00:24.155]
[00:24.178] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.178]
[00:24.178] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.178] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.178] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.178]
[00:24.404] Status changed - text: Downloading picture data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAQAAAAnOwc2AAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JQAAgIMAAPn/AACA6QAAdTAAAOpgAAA6mAAAF2+SX8VGAAAAAmJLR0QA/4ePzL8AAADdSURBVAjXAdIALf8A27rb69t02wQAANsF23jb7Nu1AAAB2/UACvr9wqMgcyRgAIQACfb7L44DbgH7QAYDFCr7QQ5RAQ77/aLixgABAACbpzFSDwYAAAAA8fml44/dAKAAAAAAAMDP2//b/9v/pOsArQBVAAACAADbcRsXAAAAAAAAJQ1/CwCrAAAD23YAgwAR9fnQ8BAFDwYoIDQhsbEB2/QAC/v9nOCj2XUJTT8EAvb7L1sCAM33/KLhlN3robNUya74/Nr0AF0BAAAAkQAjAKcAqQD8AAQAWgBXANbCiVTrFOn0bgAAAABJRU5ErkJgg
[00:24.405] Status changed - text: Done
[00:24.630] Status changed - text: Downloading picture https://i.ytimg.com/vi/6qpudAhYhpc/default.jpg...
[00:24.636] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.636] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.636] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.636]
[00:24.686] Status changed - text: Waiting for https://googleads.g.doubleclick.net/pagead/html/r20151208/r20151221/zrt_lookup.html...
[00:24.736] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.736]
[00:24.740] Status changed - text: Done
[00:24.783] Loading progress changed: 100
[00:24.783]
[00:24.803] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.804]
[00:24.805] Status changed - text: Downloading picture https://i1.ytimg.com/vi/6qpudAhYhpc/mqdefault.jpg...
[00:24.806] Status changed - text: Waiting for https://tpc.googlesyndication.com/safeframe/1-0-2/html/container.html...
[00:24.807] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.807] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:24.815] Status changed - text: Done
[00:24.826] Loading progress changed: 100
[00:24.826]
[00:24.907] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.907]
[00:24.912] Status changed - text: Done
[00:24.924] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:24.924]
[00:24.936] Status changed - text: Downloading data https://static.doubleclick.net/instream/ad_status.js...
[00:24.936] Status changed - text: Downloading data https://googleads.g.doubleclick.net/pagead/lopri?ad_block=3&client=ca-pub-6219811747049371&output=js&adk=511001906&loeid=9407537%2C9416126%2C9417204%2C9420452%2C9422596%2C9422971%2C9423662%2C9424816%2C9425483%2C9426192%2C9426528&num_ads=1&channel=PyvWatchInRelated%2BPyvWatchNoAdX%2BPyvYTWatch%2BYtLoPri%2Bafv_user_id__5lECLhs_ceObgtoS6mWgw%2Bafv_user_sachinbpaul%2Bivp%2Bnon_lpw%2Bpw%2Byt_cid_9660960%2Byt_mpvid_YgeBBxZqHi7EIThs%2Byt_no_360%2Byt_no_ap%2Byt_no_cp%2Bytdevice_1%2Bytdevicever_1.2
[00:24.941] Status changed - text: Done
[00:25.153] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.154]
[00:25.154] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.154] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.154]
[00:25.156] Status changed - text: Done
[00:25.173] Loading progress changed: 0
[00:25.173]
[00:25.185] Status changed - text: Waiting for https://googleads.g.doubleclick.net/pagead/ads?ad_block=2&client=ca-pub-6219811747049371&format=300x250_as&output=html&h=250&adk=3611498851&loeid=9407537%2C9416126%2C9417204%2C9420452%2C9422596%2C9422971%2C9423662%2C9424816%2C9425483%2C9426192%2C9426528&channel=0854550288%2BVertical_533%2BVertical_694%2BVertical_980%2Bafv_user_id__5lECLhs_ceObgtoS6mWgw%2Bafv_user_sachinbpaul%2Bivp%2Byt_cid_9660960%2Byt_mpvid_YgeBBxZqHi7EIThs%2Byt_no_360%2Byt_no_ap%2Byt_no_cp%2Bytdevice_1%2Bytdevicever_1.2015121
[00:25.191] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.191]
[00:25.191] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.191]
[00:25.196] Status changed - text: Waiting for https://googleads.g.doubleclick.net/pagead/ads?ad_block=2&client=ca-pub-6219811747049371&format=300x250_as&output=html&h=250&adk=3611498851&loeid=9407537%2C9416126%2C9417204%2C9420452%2C9422596%2C9422971%2C9423662%2C9424816%2C9425483%2C9426192%2C9426528&channel=0854550288%2BVertical_533%2BVertical_694%2BVertical_980%2Bafv_user_id__5lECLhs_ceObgtoS6mWgw%2Bafv_user_sachinbpaul%2Bivp%2Byt_cid_9660960%2Byt_mpvid_YgeBBxZqHi7EIThs%2Byt_no_360%2Byt_no_ap%2Byt_no_cp%2Bytdevice_1%2Bytdevicever_1.2015121
[00:25.197] Status changed - text: Waiting for https://tpc.googlesyndication.com/sodar/cTrvNaRi.html...
[00:25.201] Status changed - text: Done
[00:25.201] Loading progress changed: 100
[00:25.201]
[00:25.241] Status changed - text: Waiting for https://googleads.g.doubleclick.net/pagead/ads?ad_block=2&client=ca-pub-6219811747049371&format=300x250_as&output=html&h=250&adk=3611498851&loeid=9407537%2C9416126%2C9417204%2C9420452%2C9422596%2C9422971%2C9423662%2C9424816%2C9425483%2C9426192%2C9426528&channel=0854550288%2BVertical_533%2BVertical_694%2BVertical_980%2Bafv_user_id__5lECLhs_ceObgtoS6mWgw%2Bafv_user_sachinbpaul%2Bivp%2Byt_cid_9660960%2Byt_mpvid_YgeBBxZqHi7EIThs%2Byt_no_360%2Byt_no_ap%2Byt_no_cp%2Bytdevice_1%2Bytdevicever_1.2015121
[00:25.255] Status changed - text: Downloading picture https://www.google.com/ads/measurement/l?ebcid=ALh7CaT7vATfx0ewCzZAOYdhOGzDMmKTx4JUrbIb4NCxlqK3oXVqnic5t2naN4OPAGZrf-GflriAroSrJgEUrJY5OusSw6j7IA...
[00:25.256] Status changed - text: Done
[00:25.547] Status changed - text: Waiting for https://googleads.g.doubleclick.net/pagead/ads?ad_block=2&client=ca-pub-6219811747049371&format=300x250_as&output=html&h=250&adk=3611498851&loeid=9407537%2C9416126%2C9417204%2C9420452%2C9422596%2C9422971%2C9423662%2C9424816%2C9425483%2C9426192%2C9426528&channel=0854550288%2BVertical_533%2BVertical_694%2BVertical_980%2Bafv_user_id__5lECLhs_ceObgtoS6mWgw%2Bafv_user_sachinbpaul%2Bivp%2Byt_cid_9660960%2Byt_mpvid_YgeBBxZqHi7EIThs%2Byt_no_360%2Byt_no_ap%2Byt_no_cp%2Bytdevice_1%2Bytdevicever_1.2015121
[00:25.557] Status changed - text:
[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.565]
[00:25.565] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.565]
[00:25.579] Status changed - text: Start downloading from site: res://ieframe.dll/navcancl.htm
[00:25.579] Status changed - text: Downloading from site: res://ieframe.dll/navcancl.htm
[00:25.591] Status changed - text:
[00:25.598] Status changed - text: Waiting for res://ieframe.dll/navcancl.htm...
[00:25.620] Status changed - text: Downloading picture res://ieframe.dll/background_gradient.jpg...
[00:25.620] Status changed - text: Done
[00:25.626] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.626] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.626] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.626] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
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[00:25.626] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:25.626]
[00:27.663] Status changed - text: Done
[00:27.705] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:27.705]
[00:30.895] Status changed - text: Downloading picture https://i1.ytimg.com/vi/6qpudAhYhpc/hqdefault.jpg...
[00:30.895] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:30.895]
[00:30.912] Loading progress changed: 4
[00:30.912]
[00:30.994] Status changed - text: Downloading picture https://s.ytimg.com/yts/imgbin/www-sharing-vflKETXDP.png...
[00:30.997] Status changed - location: https://www.youtube.com/watch?v=RnqAXuLZlaE&feature=youtu.be&t=3m7s
[00:30.997]
这里是短测试的输出：
statusChanged在我的计算机上webBrowser事件，其中struct SData {
var OldValue: Float
var Values: [Float]
var Times: [UInt32]
}
var Symbols: [String:SData]
字段的状态文本为＆＃34;正在下载图片res：//ieframe.dll/background_gradient.jpg ... ＆＃34; 似乎表示视频已完成。