@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
GeckoAppShell.registerGeckoEventListener("Preferences:Data", this);
GeckoAppShell.registerGeckoEventListener("Sanitize:Finished", this);
}
public void handleMessage(String event, JSONObject message) {
try {
if (event.equals("Preferences:Data")) {
JSONArray jsonPrefs = message.getJSONArray("preferences");
refresh(jsonPrefs);
} else if (event.equals("Sanitize:Finished")) {
boolean success = message.getBoolean("success");
final int stringRes = success ? R.string.private_data_success : R.string.private_data_fail;
final Context context = this;
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
Toast.makeText(context, stringRes, Toast.LENGTH_SHORT).show();
}
});
}
} catch (Exception e) {
Log.e(LOGTAG, "Exception handling message \"" + event + "\":", e);
}
}
// send the Preferences:Set message to Gecko
public static void setPreference(String pref, Object value) {
if (pref == null || pref.length() == 0) return;
try {
JSONObject jsonPref = new JSONObject();
jsonPref.put("name", pref);
if (value instanceof Boolean) {
jsonPref.put("type", "bool");
jsonPref.put("value", ((Boolean) value).booleanValue());
} else if (value instanceof Integer) {
jsonPref.put("type", "int");
jsonPref.put("value", ((Integer) value).intValue());
} else {
jsonPref.put("type", "string");
jsonPref.put("value", String.valueOf(value));
}
GeckoEvent event = GeckoEvent.createBroadcastEvent("Preferences:Set", jsonPref.toString());
GeckoAppShell.sendEventToGecko(event);
} catch (JSONException e) {
Log.e(LOGTAG, "JSON exception: ", e);
}
}
// Initialize preferences by sending the "Preferences:Get" command to Gecko
private void initValues() {
JSONArray jsonPrefs = new JSONArray(mPreferencesList);
GeckoEvent event = GeckoEvent.createBroadcastEvent("Preferences:Get", jsonPrefs.toString());
GeckoAppShell.sendEventToGecko(event);
}
@Override
protected void onDestroy() {
super.onDestroy();
GeckoAppShell.unregisterGeckoEventListener("Preferences:Data", this);
GeckoAppShell.unregisterGeckoEventListener("Sanitize:Finished", this);
}
private void refresh(JSONArray jsonPrefs) {
// enable all preferences once we have them from gecko
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
mPreferenceScreen.setEnabled(true);
}
});
try {
if (mPreferenceScreen == null) return;
final int length = jsonPrefs.length();
for (int i = 0; i < length; i++) {
JSONObject jPref = jsonPrefs.getJSONObject(i);
final String prefName = jPref.getString("name");
final String prefType = jPref.getString("type");
final Preference pref = mPreferenceScreen.findPreference(prefName);
if (pref instanceof CheckBoxPreference && "bool".equals(prefType)) {
final boolean value = jPref.getBoolean("value");
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
if (((CheckBoxPreference) pref).isChecked() != value)
((CheckBoxPreference) pref).setChecked(value);
}
});
} else if (pref instanceof EditTextPreference && "string".equals(prefType)) {
final String value = jPref.getString("value");
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
((EditTextPreference) pref).setText(value);
}
});
} else if (pref instanceof ListPreference && "string".equals(prefType)) {
final String value = jPref.getString("value");
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
((ListPreference) pref).setValue(value);
// Set the summary string to the current entry
CharSequence selectedEntry = ((ListPreference) pref).getEntry();
((ListPreference) pref).setSummary(selectedEntry);
}
});
} else if (pref instanceof FontSizePreference) {
final FontSizePreference fontSizePref = (FontSizePreference) pref;
final String twipValue = jPref.getString("value");
fontSizePref.setSavedFontSize(twipValue);
final String fontSizeName = fontSizePref.getSavedFontSizeName();
GeckoAppShell.getMainHandler()
.post(
new Runnable() {
public void run() {
fontSizePref.setSummary(fontSizeName); // Ex: "Small".
}
});
}
}
} catch (JSONException e) {
Log.e(LOGTAG, "Problem parsing preferences response: ", e);
}
}