Examples with SpellCheckerInfo android.view.textservice.SpellCheckerInfo used on opensource projects

Example 56 with SpellCheckerInfo

use of android.view.textservice.SpellCheckerInfo in project android_frameworks_base by DirtyUnicorns.

the class TextServicesManagerService method getSpellCheckerService.

@Override
public void getSpellCheckerService(String sciId, String locale, ITextServicesSessionListener tsListener, ISpellCheckerSessionListener scListener, Bundle bundle) {
    if (!calledFromValidUser()) {
        return;
    }
    if (!mSystemReady) {
        return;
    }
    if (TextUtils.isEmpty(sciId) || tsListener == null || scListener == null) {
        Slog.e(TAG, "getSpellCheckerService: Invalid input.");
        return;
    }
    synchronized (mSpellCheckerMap) {
        if (!mSpellCheckerMap.containsKey(sciId)) {
            return;
        }
        final SpellCheckerInfo sci = mSpellCheckerMap.get(sciId);
        final int uid = Binder.getCallingUid();
        if (mSpellCheckerBindGroups.containsKey(sciId)) {
            final SpellCheckerBindGroup bindGroup = mSpellCheckerBindGroups.get(sciId);
            if (bindGroup != null) {
                final InternalDeathRecipient recipient = mSpellCheckerBindGroups.get(sciId).addListener(tsListener, locale, scListener, uid, bundle);
                if (recipient == null) {
                    if (DBG) {
                        Slog.w(TAG, "Didn't create a death recipient.");
                    }
                    return;
                }
                if (bindGroup.mSpellChecker == null & bindGroup.mConnected) {
                    Slog.e(TAG, "The state of the spell checker bind group is illegal.");
                    bindGroup.removeAll();
                } else if (bindGroup.mSpellChecker != null) {
                    if (DBG) {
                        Slog.w(TAG, "Existing bind found. Return a spell checker session now. " + "Listeners count = " + bindGroup.mListeners.size());
                    }
                    try {
                        final ISpellCheckerSession session = bindGroup.mSpellChecker.getISpellCheckerSession(recipient.mScLocale, recipient.mScListener, bundle);
                        if (session != null) {
                            tsListener.onServiceConnected(session);
                            return;
                        } else {
                            if (DBG) {
                                Slog.w(TAG, "Existing bind already expired. ");
                            }
                            bindGroup.removeAll();
                        }
                    } catch (RemoteException e) {
                        Slog.e(TAG, "Exception in getting spell checker session: " + e);
                        bindGroup.removeAll();
                    }
                }
            }
        }
        final long ident = Binder.clearCallingIdentity();
        try {
            startSpellCheckerServiceInnerLocked(sci, locale, tsListener, scListener, uid, bundle);
        } finally {
            Binder.restoreCallingIdentity(ident);
        }
    }
    return;
}

Example 57 with SpellCheckerInfo

use of android.view.textservice.SpellCheckerInfo in project android_frameworks_base by DirtyUnicorns.

the class TextServicesManagerService method getCurrentSpellCheckerSubtype.

// TODO: Respect allowImplicitlySelectedSubtype
// TODO: Save SpellCheckerSubtype by supported languages by looking at "locale".
@Override
public SpellCheckerSubtype getCurrentSpellCheckerSubtype(String locale, boolean allowImplicitlySelectedSubtype) {
    // TODO: Make this work even for non-current users?
    if (!calledFromValidUser()) {
        return null;
    }
    final int subtypeHashCode;
    final SpellCheckerInfo sci;
    final Locale systemLocale;
    synchronized (mSpellCheckerMap) {
        subtypeHashCode = mSettings.getSelectedSpellCheckerSubtype(SpellCheckerSubtype.SUBTYPE_ID_NONE);
        if (DBG) {
            Slog.w(TAG, "getCurrentSpellCheckerSubtype: " + subtypeHashCode);
        }
        sci = getCurrentSpellChecker(null);
        systemLocale = mContext.getResources().getConfiguration().locale;
    }
    if (sci == null || sci.getSubtypeCount() == 0) {
        if (DBG) {
            Slog.w(TAG, "Subtype not found.");
        }
        return null;
    }
    if (subtypeHashCode == SpellCheckerSubtype.SUBTYPE_ID_NONE && !allowImplicitlySelectedSubtype) {
        return null;
    }
    String candidateLocale = null;
    if (subtypeHashCode == 0) {
        // Spell checker language settings == "auto"
        final InputMethodManager imm = mContext.getSystemService(InputMethodManager.class);
        if (imm != null) {
            final InputMethodSubtype currentInputMethodSubtype = imm.getCurrentInputMethodSubtype();
            if (currentInputMethodSubtype != null) {
                final String localeString = currentInputMethodSubtype.getLocale();
                if (!TextUtils.isEmpty(localeString)) {
                    // 1. Use keyboard locale if available in the spell checker
                    candidateLocale = localeString;
                }
            }
        }
        if (candidateLocale == null) {
            // 2. Use System locale if available in the spell checker
            candidateLocale = systemLocale.toString();
        }
    }
    SpellCheckerSubtype candidate = null;
    for (int i = 0; i < sci.getSubtypeCount(); ++i) {
        final SpellCheckerSubtype scs = sci.getSubtypeAt(i);
        if (subtypeHashCode == 0) {
            final String scsLocale = scs.getLocale();
            if (candidateLocale.equals(scsLocale)) {
                return scs;
            } else if (candidate == null) {
                if (candidateLocale.length() >= 2 && scsLocale.length() >= 2 && candidateLocale.startsWith(scsLocale)) {
                    // Fall back to the applicable language
                    candidate = scs;
                }
            }
        } else if (scs.hashCode() == subtypeHashCode) {
            if (DBG) {
                Slog.w(TAG, "Return subtype " + scs.hashCode() + ", input= " + locale + ", " + scs.getLocale());
            }
            // 3. Use the user specified spell check language
            return scs;
        }
    }
    // spell check languages
    return candidate;
}

Example 58 with SpellCheckerInfo

use of android.view.textservice.SpellCheckerInfo in project android_frameworks_base by DirtyUnicorns.

the class TextServicesManagerService method buildSpellCheckerMapLocked.

private static void buildSpellCheckerMapLocked(Context context, ArrayList<SpellCheckerInfo> list, HashMap<String, SpellCheckerInfo> map, TextServicesSettings settings) {
    list.clear();
    map.clear();
    final PackageManager pm = context.getPackageManager();
    // Note: We do not specify PackageManager.MATCH_ENCRYPTION_* flags here because the default
    // behavior of PackageManager is exactly what we want.  It by default picks up appropriate
    // services depending on the unlock state for the specified user.
    final List<ResolveInfo> services = pm.queryIntentServicesAsUser(new Intent(SpellCheckerService.SERVICE_INTERFACE), PackageManager.GET_META_DATA, settings.getCurrentUserId());
    final int N = services.size();
    for (int i = 0; i < N; ++i) {
        final ResolveInfo ri = services.get(i);
        final ServiceInfo si = ri.serviceInfo;
        final ComponentName compName = new ComponentName(si.packageName, si.name);
        if (!android.Manifest.permission.BIND_TEXT_SERVICE.equals(si.permission)) {
            Slog.w(TAG, "Skipping text service " + compName + ": it does not require the permission " + android.Manifest.permission.BIND_TEXT_SERVICE);
            continue;
        }
        if (DBG)
            Slog.d(TAG, "Add: " + compName);
        try {
            final SpellCheckerInfo sci = new SpellCheckerInfo(context, ri);
            if (sci.getSubtypeCount() <= 0) {
                Slog.w(TAG, "Skipping text service " + compName + ": it does not contain subtypes.");
                continue;
            }
            list.add(sci);
            map.put(sci.getId(), sci);
        } catch (XmlPullParserException e) {
            Slog.w(TAG, "Unable to load the spell checker " + compName, e);
        } catch (IOException e) {
            Slog.w(TAG, "Unable to load the spell checker " + compName, e);
        }
    }
    if (DBG) {
        Slog.d(TAG, "buildSpellCheckerMapLocked: " + list.size() + "," + map.size());
    }
}

Example 59 with SpellCheckerInfo

use of android.view.textservice.SpellCheckerInfo in project android_frameworks_base by DirtyUnicorns.

the class TextServicesManagerService method calledFromValidUser.

// ---------------------------------------------------------------------------------------
// Check whether or not this is a valid IPC. Assumes an IPC is valid when either
// 1) it comes from the system process
// 2) the calling process' user id is identical to the current user id TSMS thinks.
private boolean calledFromValidUser() {
    final int uid = Binder.getCallingUid();
    final int userId = UserHandle.getUserId(uid);
    if (DBG) {
        Slog.d(TAG, "--- calledFromForegroundUserOrSystemProcess ? " + "calling uid = " + uid + " system uid = " + Process.SYSTEM_UID + " calling userId = " + userId + ", foreground user id = " + mSettings.getCurrentUserId() + ", calling pid = " + Binder.getCallingPid());
        try {
            final String[] packageNames = AppGlobals.getPackageManager().getPackagesForUid(uid);
            for (int i = 0; i < packageNames.length; ++i) {
                if (DBG) {
                    Slog.d(TAG, "--- process name for " + uid + " = " + packageNames[i]);
                }
            }
        } catch (RemoteException e) {
        }
    }
    if (uid == Process.SYSTEM_UID || userId == mSettings.getCurrentUserId()) {
        return true;
    }
    // Permits current profile to use TSFM as long as the current text service is the system's
    // one. This is a tentative solution and should be replaced with fully functional multiuser
    // support.
    // TODO: Implement multiuser support in TSMS.
    final boolean isCurrentProfile = mSettings.isCurrentProfile(userId);
    if (DBG) {
        Slog.d(TAG, "--- userId = " + userId + " isCurrentProfile = " + isCurrentProfile);
    }
    if (mSettings.isCurrentProfile(userId)) {
        final SpellCheckerInfo spellCheckerInfo = getCurrentSpellCheckerWithoutVerification();
        if (spellCheckerInfo != null) {
            final ServiceInfo serviceInfo = spellCheckerInfo.getServiceInfo();
            final boolean isSystemSpellChecker = (serviceInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0;
            if (DBG) {
                Slog.d(TAG, "--- current spell checker = " + spellCheckerInfo.getPackageName() + " isSystem = " + isSystemSpellChecker);
            }
            if (isSystemSpellChecker) {
                return true;
            }
        }
    }
    // support is implemented.
    if (DBG) {
        Slog.d(TAG, "--- IPC from userId:" + userId + " is being ignored. \n" + getStackTrace());
    }
    return false;
}

Example 60 with SpellCheckerInfo

use of android.view.textservice.SpellCheckerInfo in project android_frameworks_base by DirtyUnicorns.

the class TextServicesManagerService method dump.

@Override
protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
    if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) != PackageManager.PERMISSION_GRANTED) {
        pw.println("Permission Denial: can't dump TextServicesManagerService from from pid=" + Binder.getCallingPid() + ", uid=" + Binder.getCallingUid());
        return;
    }
    synchronized (mSpellCheckerMap) {
        pw.println("Current Text Services Manager state:");
        pw.println("  Spell Checkers:");
        int spellCheckerIndex = 0;
        for (final SpellCheckerInfo info : mSpellCheckerMap.values()) {
            pw.println("  Spell Checker #" + spellCheckerIndex);
            info.dump(pw, "    ");
            ++spellCheckerIndex;
        }
        pw.println("");
        pw.println("  Spell Checker Bind Groups:");
        for (final Map.Entry<String, SpellCheckerBindGroup> ent : mSpellCheckerBindGroups.entrySet()) {
            final SpellCheckerBindGroup grp = ent.getValue();
            pw.println("    " + ent.getKey() + " " + grp + ":");
            pw.println("      " + "mInternalConnection=" + grp.mInternalConnection);
            pw.println("      " + "mSpellChecker=" + grp.mSpellChecker);
            pw.println("      " + "mBound=" + grp.mBound + " mConnected=" + grp.mConnected);
            final int N = grp.mListeners.size();
            for (int i = 0; i < N; i++) {
                final InternalDeathRecipient listener = grp.mListeners.get(i);
                pw.println("      " + "Listener #" + i + ":");
                pw.println("        " + "mTsListener=" + listener.mTsListener);
                pw.println("        " + "mScListener=" + listener.mScListener);
                pw.println("        " + "mGroup=" + listener.mGroup);
                pw.println("        " + "mScLocale=" + listener.mScLocale + " mUid=" + listener.mUid);
            }
        }
        pw.println("");
        pw.println("  mSettings:");
        mSettings.dumpLocked(pw, "    ");
    }
}