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Add new disabled state for "optional" built-in apps.

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The disabled state allows you to make an app disabled
except for whatever parts of the system still want to
provide access to them and automatically enable them
if the user want to use it.

Currently the input method manager service is the only
part of the system that supports this, so you can put
an IME in this state and it will generally look disabled
but still be available in the IME list and once selected
switched to the enabled state.

Change-Id: I77f01c70610d82ce9070d4aabbadec8ae2cff2a3
This commit is contained in:
Dianne Hackborn
2013-01-22 17:10:23 -08:00
parent cc7433470f
commit fd7adedebf
11 changed files with 154 additions and 51 deletions
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43
services/java/com/android/server/InputMethodManagerService.java
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@@ -382,6 +382,8 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
private boolean mInputBoundToKeyguard;
class SettingsObserver extends ContentObserver {
String mLastEnabled = "";
SettingsObserver(Handler handler) {
super(handler);
ContentResolver resolver = mContext.getContentResolver();
@@ -395,7 +397,13 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
@Override public void onChange(boolean selfChange) {
synchronized (mMethodMap) {
updateFromSettingsLocked();
boolean enabledChanged = false;
String newEnabled = mSettings.getEnabledInputMethodsStr();
if (!mLastEnabled.equals(newEnabled)) {
mLastEnabled = newEnabled;
enabledChanged = true;
}
updateFromSettingsLocked(enabledChanged);
}
}
}
@@ -539,7 +547,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
}
if (changed) {
updateFromSettingsLocked();
updateFromSettingsLocked(false);
}
}
}
@@ -674,7 +682,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
}
mSettingsObserver = new SettingsObserver(mHandler);
updateFromSettingsLocked();
updateFromSettingsLocked(true);
// IMMS wants to receive Intent.ACTION_LOCALE_CHANGED in order to update the current IME
// according to the new system locale.
@@ -748,7 +756,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
// If the locale is changed, needs to reset the default ime
resetDefaultImeLocked(mContext);
}
updateFromSettingsLocked();
updateFromSettingsLocked(true);
mLastSystemLocale = newLocale;
if (!updateOnlyWhenLocaleChanged) {
try {
@@ -1533,7 +1541,27 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
return false;
}
void updateFromSettingsLocked() {
void updateFromSettingsLocked(boolean enabledMayChange) {
if (enabledMayChange) {
List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked();
for (int i=0; i<enabled.size(); i++) {
// We allow the user to select "disabled until used" apps, so if they
// are enabling one of those here we now need to make it enabled.
InputMethodInfo imm = enabled.get(i);
try {
ApplicationInfo ai = mIPackageManager.getApplicationInfo(imm.getPackageName(),
PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,
mSettings.getCurrentUserId());
if (ai.enabledSetting
== PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED) {
mIPackageManager.setApplicationEnabledSetting(imm.getPackageName(),
PackageManager.COMPONENT_ENABLED_STATE_DEFAULT,
PackageManager.DONT_KILL_APP, mSettings.getCurrentUserId());
}
} catch (RemoteException e) {
}
}
}
// We are assuming that whoever is changing DEFAULT_INPUT_METHOD and
// ENABLED_INPUT_METHODS is taking care of keeping them correctly in
// sync, so we will never have a DEFAULT_INPUT_METHOD that is not
@@ -2383,7 +2411,8 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
final List<ResolveInfo> services = pm.queryIntentServicesAsUser(
new Intent(InputMethod.SERVICE_INTERFACE),
PackageManager.GET_META_DATA, mSettings.getCurrentUserId());
PackageManager.GET_META_DATA | PackageManager.GET_DISABLED_UNTIL_USED_COMPONENTS,
mSettings.getCurrentUserId());
final HashMap<String, List<InputMethodSubtype>> additionalSubtypes =
mFileManager.getAllAdditionalInputMethodSubtypes();
@@ -2429,7 +2458,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
if (!map.containsKey(defaultImiId)) {
Slog.w(TAG, "Default IME is uninstalled. Choose new default IME.");
if (chooseNewDefaultIMELocked()) {
updateFromSettingsLocked();
updateFromSettingsLocked(true);
}
} else {
// Double check that the default IME is certainly enabled.