Merge "Use IME service logo or icon if exists." into nyc-dev

package com.android.settings.inputmethod;

import android.annotation.DrawableRes;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.app.Activity;

import android.app.admin.DevicePolicyManager;

import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.content.pm.PackageManager;

import android.content.pm.ServiceInfo;

import android.content.res.Configuration;

import android.graphics.Color;

import android.graphics.drawable.ColorDrawable;

public final class AvailableVirtualKeyboardFragment extends SettingsPreferenceFragment

        implements InputMethodPreference.OnSavePreferenceListener {

    private static final Drawable NO_ICON = new ColorDrawable(Color.TRANSPARENT);

    private final ArrayList<InputMethodPreference> mInputMethodPreferenceList = new ArrayList<>();

    private InputMethodSettingValuesWrapper mInputMethodSettingValues;

    private InputMethodManager mImm;

        return MetricsEvent.ENABLE_VIRTUAL_KEYBOARDS;

    }

    @Nullable

    private static Drawable loadDrawable(@NonNull final PackageManager packageManager,

            @NonNull final String packageName, @DrawableRes final int resId,

            @NonNull final ApplicationInfo applicationInfo) {

        if (resId == 0) {

            return null;

        }

        try {

            return packageManager.getDrawable(packageName, resId, applicationInfo);

        } catch (Exception e){

            return null;

        }

    }

    @NonNull

    private static Drawable getInputMethodIcon(@NonNull final PackageManager packageManager,

            @NonNull final InputMethodInfo imi) {

        final ServiceInfo si = imi.getServiceInfo();

        final ApplicationInfo ai = si.applicationInfo;

        final String packageName = imi.getPackageName();

        if (si == null || ai == null || packageName == null) {

            return new ColorDrawable(Color.TRANSPARENT);

        }

        // We do not use ServiceInfo#loadLogo() and ServiceInfo#loadIcon here since those methods

        // internally have some fallback rules, which we want to do manually.

        Drawable drawable = loadDrawable(packageManager, packageName, si.logo, ai);

        if (drawable != null) {

            return drawable;

        }

        drawable = loadDrawable(packageManager, packageName, si.icon, ai);

        if (drawable != null) {

            return drawable;

        }

        // We do not use ApplicationInfo#loadLogo() and ApplicationInfo#loadIcon here since those

        // methods internally have some fallback rules, which we want to do manually.

        drawable = loadDrawable(packageManager, packageName, ai.logo, ai);

        if (drawable != null) {

            return drawable;

        }

        drawable = loadDrawable(packageManager, packageName, ai.icon, ai);

        if (drawable != null) {

            return drawable;

        }

        return new ColorDrawable(Color.TRANSPARENT);

    }

    private void updateInputMethodPreferenceViews() {

        mInputMethodSettingValues.refreshAllInputMethodAndSubtypes();

        // Clear existing "InputMethodPreference"s

        mInputMethodPreferenceList.clear();

        List<String> permittedList = mDpm.getPermittedInputMethodsForCurrentUser();

        final Context context = getPrefContext();

        final PackageManager packageManager = getActivity().getPackageManager();

        final List<InputMethodInfo> imis = mInputMethodSettingValues.getInputMethodList();

        final int N = (imis == null ? 0 : imis.size());

        for (int i = 0; i < N; ++i) {

            final InputMethodInfo imi = imis.get(i);

            final boolean isAllowedByOrganization = permittedList == null

                    || permittedList.contains(imi.getPackageName());

            Drawable icon;

            try {

                icon = getActivity().getPackageManager().getApplicationIcon(imi.getPackageName());

            } catch (Exception e) {

                icon = NO_ICON;

            }

            final InputMethodPreference pref = new InputMethodPreference(

                    context, imi, true, isAllowedByOrganization, this);

            pref.setIcon(icon);

            pref.setIcon(getInputMethodIcon(packageManager, imi));

            mInputMethodPreferenceList.add(pref);

        }

        final Collator collator = Collator.getInstance();