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am 8631701b: Allow enabled accessibility service to toggle tocuh exploration after an upgrade to JellyBean.

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* commit '8631701bb770f3a4e3b2a139dc282f2244fe86e6':
  Allow enabled accessibility service to toggle tocuh exploration after an upgrade to JellyBean.
This commit is contained in:
Svetoslav Ganov
2012-08-16 10:36:55 -07:00
committed by Android Git Automerger
parent 91d08fe51a 8631701bb7
commit 80c904df15
1 changed files with 61 additions and 5 deletions
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66
packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
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@@ -65,7 +65,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
// database gets upgraded properly. At a minimum, please confirm that 'upgradeVersion'
// is properly propagated through your change. Not doing so will result in a loss of user
// settings.
private static final int DATABASE_VERSION = 79;
private static final int DATABASE_VERSION = 80;
private Context mContext;
@@ -1073,6 +1073,52 @@ public class DatabaseHelper extends SQLiteOpenHelper {
upgradeVersion = 79;
}
if (upgradeVersion == 79) {
// Before touch exploration was a global setting controlled by the user
// via the UI. However, if the enabled accessibility services do not
// handle touch exploration mode, enabling it makes no sense. Therefore,
// now the services request touch exploration mode and the user is
// presented with a dialog to allow that and if she does we store that
// in the database. As a result of this change a user that has enabled
// accessibility, touch exploration, and some accessibility services
// may lose touch exploration state, thus rendering the device useless
// unless sighted help is provided, since the enabled service(s) are
// not in the list of services to which the user granted a permission
// to put the device in touch explore mode. Here we are allowing all
// enabled accessibility services to toggle touch exploration provided
// accessibility and touch exploration are enabled and no services can
// toggle touch exploration. Note that the user has already manually
// enabled the services and touch exploration which means the she has
// given consent to have these services work in touch exploration mode.
final boolean accessibilityEnabled = getIntValueFromTable(db, "secure",
Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1;
final boolean touchExplorationEnabled = getIntValueFromTable(db, "secure",
Settings.Secure.TOUCH_EXPLORATION_ENABLED, 0) == 1;
if (accessibilityEnabled && touchExplorationEnabled) {
String enabledServices = getStringValueFromTable(db, "secure",
Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES, "");
String touchExplorationGrantedServices = getStringValueFromTable(db, "secure",
Settings.Secure.TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES, "");
if (TextUtils.isEmpty(touchExplorationGrantedServices)
&& !TextUtils.isEmpty(enabledServices)) {
SQLiteStatement stmt = null;
try {
db.beginTransaction();
stmt = db.compileStatement("INSERT OR REPLACE INTO secure(name,value)"
+ " VALUES(?,?);");
loadSetting(stmt,
Settings.Secure.TOUCH_EXPLORATION_GRANTED_ACCESSIBILITY_SERVICES,
enabledServices);
db.setTransactionSuccessful();
} finally {
db.endTransaction();
if (stmt != null) stmt.close();
}
}
}
upgradeVersion = 80;
}
// *** Remember to update DATABASE_VERSION above!
if (upgradeVersion != currentVersion) {
@@ -1708,18 +1754,28 @@ public class DatabaseHelper extends SQLiteOpenHelper {
}
private int getIntValueFromSystem(SQLiteDatabase db, String name, int defaultValue) {
int value = defaultValue;
return getIntValueFromTable(db, "system", name, defaultValue);
}
private int getIntValueFromTable(SQLiteDatabase db, String table, String name,
int defaultValue) {
String value = getStringValueFromTable(db, table, name, null);
return (value != null) ? Integer.parseInt(value) : defaultValue;
}
private String getStringValueFromTable(SQLiteDatabase db, String table, String name,
String defaultValue) {
Cursor c = null;
try {
c = db.query("system", new String[] { Settings.System.VALUE }, "name='" + name + "'",
c = db.query(table, new String[] { Settings.System.VALUE }, "name='" + name + "'",
null, null, null, null);
if (c != null && c.moveToFirst()) {
String val = c.getString(0);
value = val == null ? defaultValue : Integer.parseInt(val);
return val == null ? defaultValue : val;
}
} finally {
if (c != null) c.close();
}
return value;
return defaultValue;
}
}