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1 | package de.rmdir.ms2debounce; | |
2 | ||
3 | import java.io.InputStream; | |
4 | import java.io.OutputStream; | |
5 | import java.io.File; | |
6 | ||
7 | import android.content.Context; | |
8 | ||
9 | public class DebounceModuleHelper | |
10 | { | |
11 | private Context ctx; | |
12 | ||
13 | public DebounceModuleHelper(Context context) { | |
14 | ctx = context; | |
15 | } | |
16 | ||
17 | public void loadModule() { | |
18 | loadModule(10); | |
19 | } | |
20 | ||
21 | public void loadModule(int delay) { | |
22 | File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko"); | |
23 | ||
24 | extractModule(); | |
25 | ||
26 | // FIXME: Read settings from database... | |
27 | ||
28 | try { | |
29 | Process insmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/insmod " + debounce_ko + " debounce_delay=" + delay}); | |
30 | insmod.waitFor(); | |
31 | } catch (Exception e) {} | |
32 | } | |
33 | ||
34 | public void unloadModule() { | |
35 | try { | |
36 | Process rmmod = Runtime.getRuntime().exec(new String[]{"su","-c","/system/bin/rmmod debounce"}); | |
37 | rmmod.waitFor(); | |
38 | } catch (Exception e) {} | |
39 | } | |
40 | ||
41 | public boolean isLoaded() { | |
42 | return false; | |
43 | } | |
44 | ||
45 | private synchronized void extractModule() { | |
46 | File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko"); | |
47 | ||
48 | if (debounce_ko.exists()) { | |
49 | return; | |
50 | } | |
51 | ||
52 | try { | |
53 | InputStream apk = ctx.getAssets().open("debounce.ko"); | |
54 | OutputStream mod = ctx.openFileOutput("debounce.ko.tmp", 0); | |
55 | ||
56 | //I assume a page is 4k... | |
57 | byte buf[] = new byte[4096]; | |
58 | int bytes; | |
59 | ||
60 | while((bytes = apk.read(buf)) != -1) { | |
61 | mod.write(buf, 0, bytes); | |
62 | } | |
63 | ||
64 | apk.close(); | |
65 | mod.close(); | |
66 | ||
67 | File tmpfile = new File(debounce_ko + ".tmp"); | |
68 | tmpfile.renameTo(debounce_ko); | |
69 | } catch (Exception e) {} | |
70 | } | |
71 | } |