]>
Commit | Line | Data |
---|---|---|
0ae502f6 MG |
1 | package de.rmdir.ms2debounce; |
2 | ||
5738a32f MG |
3 | import java.io.InputStream; |
4 | import java.io.OutputStream; | |
226a7d4d | 5 | import java.io.File; |
d82ae589 | 6 | import java.io.FileReader; |
0b9d6422 | 7 | import java.io.FileWriter; |
d82ae589 | 8 | import java.io.BufferedReader; |
0b9d6422 | 9 | import java.io.BufferedWriter; |
6bb245ae | 10 | import java.io.DataOutputStream; |
226a7d4d | 11 | |
5738a32f | 12 | import android.content.Context; |
08fec0be | 13 | import android.content.SharedPreferences; |
5738a32f | 14 | |
0ae502f6 MG |
15 | public class DebounceModuleHelper |
16 | { | |
5738a32f | 17 | private Context ctx; |
08fec0be | 18 | public static final String PREFS_NAME = "DebounceCfg"; |
6bb245ae | 19 | final int SUPERUSER_REQUEST = 4223; |
226a7d4d | 20 | |
5738a32f MG |
21 | public DebounceModuleHelper(Context context) { |
22 | ctx = context; | |
226a7d4d MG |
23 | } |
24 | ||
381027a8 | 25 | public void setAllValues() { |
0b9d6422 | 26 | setDelay(getSavedDelay()); |
75fbc6ef MG |
27 | setSettle(getSavedSettle()); |
28 | setPoll(getSavedPoll()); | |
2bb83a0e MG |
29 | setHwDebounce(getSavedHwDebounce()); |
30 | setHwDebounceTime(getSavedHwDebounceTime()); | |
1786d191 MG |
31 | //setDriveInactive(getSavedDriveInactive()); |
32 | setActiveHigh(getSavedActiveHigh()); | |
40697a47 MG |
33 | } |
34 | ||
0c4d887c | 35 | public boolean loadModule() throws NotRootedException,ShellException { |
a7c1cd77 MG |
36 | if (!_loadModule()) |
37 | return false; | |
38 | ||
381027a8 | 39 | setAllValues(); |
a7c1cd77 MG |
40 | |
41 | return true; | |
381027a8 MG |
42 | } |
43 | ||
0c4d887c MG |
44 | protected void runAsRoot(String command) throws NotRootedException,ShellException { |
45 | Process rootcmd; | |
6bb245ae | 46 | |
0c4d887c MG |
47 | try { |
48 | rootcmd = Runtime.getRuntime().exec(new String[]{"su","-c","sh"}); | |
49 | } catch (java.io.IOException e) { | |
50 | throw new NotRootedException(); | |
51 | } | |
52 | ||
53 | try { | |
54 | DataOutputStream sh = new DataOutputStream(rootcmd.getOutputStream()); | |
55 | sh.writeBytes(command + "\n"); | |
56 | sh.writeBytes("exit\n"); | |
57 | sh.flush(); | |
58 | sh.close(); | |
59 | } catch (java.io.IOException e) { | |
60 | throw new ShellException(); | |
61 | } | |
62 | ||
63 | try { | |
64 | if (rootcmd.waitFor() != 0) | |
65 | throw new ShellException(); | |
66 | } catch (java.lang.InterruptedException e) { | |
67 | throw new ShellException(); | |
68 | } | |
6bb245ae MG |
69 | } |
70 | ||
0c4d887c | 71 | public synchronized boolean _loadModule() throws NotRootedException,ShellException { |
b750f7cc MG |
72 | File insmod = new File("/system/bin/insmod"); |
73 | if (!insmod.exists()) { | |
74 | insmod = new File("/system/xbin/insmod"); | |
75 | if (!insmod.exists()) { | |
76 | return false; | |
77 | } | |
78 | } | |
79 | ||
80 | File debounce_ko = new File("/system/lib/modules/debounce.ko"); | |
81 | if (!debounce_ko.exists()) { | |
82 | debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko"); | |
40697a47 | 83 | |
b750f7cc MG |
84 | extractModule(); |
85 | } | |
226a7d4d | 86 | |
d3e7b10c MG |
87 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); |
88 | SharedPreferences.Editor editor = settings.edit(); | |
89 | if (is_safe_to_load()) { | |
90 | editor.putBoolean("safe_to_load", false); | |
91 | editor.commit(); | |
92 | } | |
40697a47 | 93 | |
b750f7cc | 94 | runAsRoot(insmod + " " + debounce_ko); |
a6cf1017 MG |
95 | |
96 | if (!isLoaded()) { | |
a7c1cd77 | 97 | return false; |
08fec0be | 98 | } |
dea0f4b0 | 99 | |
818fb327 | 100 | if (getDelay() < 0) { |
a7c1cd77 | 101 | return false; |
08fec0be MG |
102 | } |
103 | ||
104 | /* Module was obviously loaded, so it is safe to load on boot */ | |
d3e7b10c MG |
105 | editor.putBoolean("safe_to_load", true); |
106 | editor.commit(); | |
a7c1cd77 MG |
107 | |
108 | return true; | |
0ae502f6 MG |
109 | } |
110 | ||
0c4d887c | 111 | public synchronized void unloadModule() throws NotRootedException,ShellException { |
b750f7cc MG |
112 | File rmmod = new File("/system/bin/rmmod"); |
113 | ||
114 | if (!rmmod.exists()) { | |
115 | rmmod = new File("/system/xbin/rmmod"); | |
116 | if (!rmmod.exists()) { | |
117 | return; | |
118 | } | |
119 | } | |
120 | ||
121 | runAsRoot(rmmod + " debounce"); | |
40697a47 MG |
122 | } |
123 | ||
08fec0be | 124 | public synchronized boolean isLoaded() { |
d82ae589 MG |
125 | boolean loaded = false; |
126 | try { | |
127 | String read; | |
128 | ||
129 | FileReader modules = new FileReader("/proc/modules"); | |
130 | BufferedReader modules_buf = new BufferedReader(modules); | |
131 | ||
132 | while((read = modules_buf.readLine()) != null) { | |
133 | if (read.regionMatches(0, "debounce", 0, 8)) { | |
134 | loaded = true; | |
135 | } | |
136 | } | |
137 | ||
138 | } catch (Exception e) { | |
139 | loaded = false; | |
140 | } | |
141 | ||
142 | return loaded; | |
0ae502f6 | 143 | } |
226a7d4d | 144 | |
75fbc6ef MG |
145 | private synchronized int getValue(String parameter) { |
146 | int value = -1; | |
d82ae589 MG |
147 | |
148 | try { | |
149 | String read; | |
150 | ||
75fbc6ef MG |
151 | FileReader fr = new FileReader("/sys/devices/debounce/" + parameter); |
152 | BufferedReader fbuf = new BufferedReader(fr); | |
d82ae589 | 153 | |
75fbc6ef | 154 | read = fbuf.readLine(); |
d82ae589 | 155 | if (read != null) { |
75fbc6ef | 156 | value = Integer.parseInt(read.trim()); |
d82ae589 | 157 | } |
0b9d6422 | 158 | |
75fbc6ef | 159 | fbuf.close(); |
d82ae589 MG |
160 | } catch (Exception e) {} |
161 | ||
75fbc6ef | 162 | return value; |
ee6322a1 MG |
163 | } |
164 | ||
75fbc6ef | 165 | private synchronized void setValue(String parameter, int value) { |
0b9d6422 MG |
166 | if (!isLoaded()) { |
167 | return; | |
376c6ac7 MG |
168 | } |
169 | ||
0b9d6422 | 170 | try { |
75fbc6ef MG |
171 | FileWriter fw = new FileWriter("/sys/devices/debounce/" + parameter); |
172 | BufferedWriter fbuf = new BufferedWriter(fw); | |
0b9d6422 | 173 | |
75fbc6ef | 174 | fbuf.write((new Integer(value)).toString()); |
0b9d6422 | 175 | |
75fbc6ef | 176 | fbuf.close(); |
0c4d887c | 177 | } catch (Exception e) {} |
376c6ac7 MG |
178 | } |
179 | ||
75fbc6ef MG |
180 | public synchronized int getDelay() { |
181 | return getValue("debounce_delay"); | |
182 | } | |
183 | ||
184 | public synchronized void setDelay(int debounce_delay) { | |
185 | setValue("debounce_delay", debounce_delay); | |
186 | } | |
187 | ||
188 | public synchronized int getSettle() { | |
189 | return getValue("settle_time"); | |
190 | } | |
191 | ||
192 | public synchronized void setSettle(int settle_time) { | |
193 | setValue("settle_time", settle_time); | |
194 | } | |
195 | ||
196 | public synchronized int getPoll() { | |
197 | return getValue("poll_time"); | |
198 | } | |
199 | ||
200 | public synchronized void setPoll(int poll_time) { | |
201 | setValue("poll_time", poll_time); | |
202 | } | |
203 | ||
2bb83a0e MG |
204 | public synchronized boolean getHwDebounce() { |
205 | if (getValue("hw_debounce") == 1) | |
206 | return true; | |
207 | ||
208 | return false; | |
209 | } | |
210 | ||
211 | public synchronized void setHwDebounce(boolean enable) { | |
212 | if (enable) | |
213 | setValue("hw_debounce", 1); | |
214 | else | |
215 | setValue("hw_debounce", 0); | |
216 | } | |
217 | ||
218 | public synchronized int getHwDebounceTime() { | |
219 | return getValue("hw_debounce_time"); | |
220 | } | |
221 | ||
222 | public synchronized void setHwDebounceTime(int time) { | |
223 | setValue("hw_debounce_time", time); | |
224 | } | |
225 | ||
d002e66d MG |
226 | public synchronized boolean getDriveInactive() { |
227 | if (getValue("drive_inactive_flag") == 1) | |
228 | return true; | |
229 | ||
230 | return false; | |
231 | } | |
232 | ||
233 | public synchronized void setDriveInactive(boolean enable) { | |
234 | if (enable) | |
235 | setValue("drive_inactive_flag", 1); | |
236 | else | |
237 | setValue("drive_inactive_flag", 0); | |
238 | } | |
239 | ||
1786d191 MG |
240 | public synchronized boolean getActiveHigh() { |
241 | if (getValue("active_high_flag") == 1) | |
242 | return true; | |
243 | ||
244 | return false; | |
245 | } | |
246 | ||
247 | public synchronized void setActiveHigh(boolean enable) { | |
248 | if (enable) | |
249 | setValue("active_high_flag", 1); | |
250 | else | |
251 | setValue("active_high_flag", 0); | |
252 | } | |
253 | ||
dea0f4b0 MG |
254 | public synchronized int getSavedDelay() { |
255 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
256 | ||
131fed25 | 257 | return settings.getInt("debounce_delay", 15); |
dea0f4b0 MG |
258 | } |
259 | ||
260 | public synchronized void setSavedDelay(int delay) { | |
261 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
262 | SharedPreferences.Editor editor = settings.edit(); | |
263 | ||
264 | editor.putInt("debounce_delay", delay); | |
265 | editor.commit(); | |
266 | } | |
267 | ||
75fbc6ef MG |
268 | public synchronized int getSavedSettle() { |
269 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
270 | ||
ceccb7e2 | 271 | return settings.getInt("settle_time", 40); |
75fbc6ef MG |
272 | } |
273 | ||
274 | public synchronized void setSavedSettle(int settle) { | |
275 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
276 | SharedPreferences.Editor editor = settings.edit(); | |
277 | ||
278 | editor.putInt("settle_time", settle); | |
279 | editor.commit(); | |
280 | } | |
281 | ||
282 | public synchronized int getSavedPoll() { | |
283 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
284 | ||
ceccb7e2 | 285 | return settings.getInt("poll_time", 20); |
75fbc6ef MG |
286 | } |
287 | ||
288 | public synchronized void setSavedPoll(int poll) { | |
289 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
290 | SharedPreferences.Editor editor = settings.edit(); | |
291 | ||
292 | editor.putInt("poll_time", poll); | |
293 | editor.commit(); | |
294 | } | |
295 | ||
2bb83a0e MG |
296 | public synchronized boolean getSavedHwDebounce() { |
297 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
298 | ||
d002e66d | 299 | return settings.getBoolean("hw_debounce", false); |
2bb83a0e MG |
300 | } |
301 | ||
302 | public synchronized void setSavedHwDebounce(boolean enable) { | |
303 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
304 | SharedPreferences.Editor editor = settings.edit(); | |
305 | ||
306 | editor.putBoolean("hw_debounce", enable); | |
307 | editor.commit(); | |
308 | } | |
309 | ||
310 | public synchronized int getSavedHwDebounceTime() { | |
311 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
312 | ||
313 | return settings.getInt("hw_debounce_time", 1); | |
314 | } | |
315 | ||
316 | public synchronized void setSavedHwDebounceTime(int time) { | |
317 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
318 | SharedPreferences.Editor editor = settings.edit(); | |
319 | ||
320 | editor.putInt("hw_debounce_time", time); | |
321 | editor.commit(); | |
322 | } | |
323 | ||
d002e66d MG |
324 | public synchronized boolean getSavedDriveInactive() { |
325 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
326 | ||
327 | return settings.getBoolean("drive_inactive", false); | |
328 | } | |
329 | ||
330 | public synchronized void setSavedDriveInactive(boolean enable) { | |
331 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
332 | SharedPreferences.Editor editor = settings.edit(); | |
333 | ||
334 | editor.putBoolean("drive_inactive", enable); | |
335 | editor.commit(); | |
336 | } | |
337 | ||
1786d191 MG |
338 | public synchronized boolean getSavedActiveHigh() { |
339 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
340 | ||
341 | return settings.getBoolean("active_high", false); | |
342 | } | |
343 | ||
344 | public synchronized void setSavedActiveHigh(boolean enable) { | |
345 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
346 | SharedPreferences.Editor editor = settings.edit(); | |
347 | ||
348 | editor.putBoolean("active_high", enable); | |
349 | editor.commit(); | |
350 | } | |
351 | ||
08fec0be MG |
352 | public synchronized boolean is_safe_to_load() { |
353 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
c3053460 MG |
354 | return settings.getBoolean("safe_to_load", false); |
355 | } | |
356 | ||
357 | public synchronized boolean get_on_boot() { | |
358 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
359 | return settings.getBoolean("on_boot", false); | |
360 | } | |
08fec0be | 361 | |
c3053460 MG |
362 | public synchronized void set_on_boot(boolean on_boot) { |
363 | SharedPreferences settings = ctx.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE); | |
364 | SharedPreferences.Editor editor = settings.edit(); | |
365 | ||
366 | editor.putBoolean("on_boot", on_boot); | |
367 | editor.commit(); | |
08fec0be MG |
368 | } |
369 | ||
5738a32f MG |
370 | private synchronized void extractModule() { |
371 | File debounce_ko = new File(ctx.getFilesDir() + "/debounce.ko"); | |
226a7d4d MG |
372 | |
373 | if (debounce_ko.exists()) { | |
374 | return; | |
375 | } | |
5738a32f MG |
376 | |
377 | try { | |
378 | InputStream apk = ctx.getAssets().open("debounce.ko"); | |
40697a47 MG |
379 | OutputStream mod = ctx.openFileOutput("debounce.ko.tmp", 0); |
380 | ||
381 | //I assume a page is 4k... | |
382 | byte buf[] = new byte[4096]; | |
383 | int bytes; | |
384 | ||
385 | while((bytes = apk.read(buf)) != -1) { | |
386 | mod.write(buf, 0, bytes); | |
387 | } | |
5738a32f MG |
388 | |
389 | apk.close(); | |
390 | mod.close(); | |
40697a47 MG |
391 | |
392 | File tmpfile = new File(debounce_ko + ".tmp"); | |
393 | tmpfile.renameTo(debounce_ko); | |
5738a32f | 394 | } catch (Exception e) {} |
226a7d4d | 395 | } |
0ae502f6 | 396 | } |