Collapse common package (2/2)

Ran optimize imports on the project as well to re-order everything
which would have changed because of removing common.

Test: Built GoogleContacts, GoogleContactsTests, Contacts,
ContactsTests and ran unit tests.

Bug: 33252370
Change-Id: I881f0ba8b8fef002b6eeefa9a16b34f15b2fd2a9
diff --git a/src/com/android/contacts/ContactsUtils.java b/src/com/android/contacts/ContactsUtils.java
new file mode 100644
index 0000000..448e696
--- /dev/null
+++ b/src/com/android/contacts/ContactsUtils.java
@@ -0,0 +1,278 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.contacts;
+
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.Build;
+import android.provider.ContactsContract.CommonDataKinds.Im;
+import android.provider.ContactsContract.DisplayPhoto;
+import android.support.annotation.IntDef;
+import android.text.TextUtils;
+import android.util.Pair;
+
+import com.android.contacts.compat.ContactsCompat;
+import com.android.contacts.compat.DirectoryCompat;
+import com.android.contacts.model.AccountTypeManager;
+import com.android.contacts.model.account.AccountWithDataSet;
+import com.android.contacts.model.dataitem.ImDataItem;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.List;
+
+public class ContactsUtils {
+    private static final String TAG = "ContactsUtils";
+
+    // Telecomm related schemes are in CallUtil
+    public static final String SCHEME_IMTO = "imto";
+    public static final String SCHEME_MAILTO = "mailto";
+    public static final String SCHEME_SMSTO = "smsto";
+
+    private static final int DEFAULT_THUMBNAIL_SIZE = 96;
+
+    private static int sThumbnailSize = -1;
+
+    public static final boolean FLAG_N_FEATURE = Build.VERSION.SDK_INT >= 24;
+
+    // TODO find a proper place for the canonical version of these
+    public interface ProviderNames {
+        String YAHOO = "Yahoo";
+        String GTALK = "GTalk";
+        String MSN = "MSN";
+        String ICQ = "ICQ";
+        String AIM = "AIM";
+        String XMPP = "XMPP";
+        String JABBER = "JABBER";
+        String SKYPE = "SKYPE";
+        String QQ = "QQ";
+    }
+
+    /**
+     * This looks up the provider name defined in
+     * ProviderNames from the predefined IM protocol id.
+     * This is used for interacting with the IM application.
+     *
+     * @param protocol the protocol ID
+     * @return the provider name the IM app uses for the given protocol, or null if no
+     * provider is defined for the given protocol
+     * @hide
+     */
+    public static String lookupProviderNameFromId(int protocol) {
+        switch (protocol) {
+            case Im.PROTOCOL_GOOGLE_TALK:
+                return ProviderNames.GTALK;
+            case Im.PROTOCOL_AIM:
+                return ProviderNames.AIM;
+            case Im.PROTOCOL_MSN:
+                return ProviderNames.MSN;
+            case Im.PROTOCOL_YAHOO:
+                return ProviderNames.YAHOO;
+            case Im.PROTOCOL_ICQ:
+                return ProviderNames.ICQ;
+            case Im.PROTOCOL_JABBER:
+                return ProviderNames.JABBER;
+            case Im.PROTOCOL_SKYPE:
+                return ProviderNames.SKYPE;
+            case Im.PROTOCOL_QQ:
+                return ProviderNames.QQ;
+        }
+        return null;
+    }
+
+
+    public static final long USER_TYPE_CURRENT = 0;
+    public static final long USER_TYPE_WORK = 1;
+
+    /**
+     * UserType indicates the user type of the contact. If the contact is from Work User (Work
+     * Profile in Android Multi-User System), it's {@link #USER_TYPE_WORK}, otherwise,
+     * {@link #USER_TYPE_CURRENT}. Please note that current user can be in work profile, where the
+     * dialer is running inside Work Profile.
+     */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef({USER_TYPE_CURRENT, USER_TYPE_WORK})
+    public @interface UserType {}
+
+    /**
+     * Test if the given {@link CharSequence} contains any graphic characters,
+     * first checking {@link TextUtils#isEmpty(CharSequence)} to handle null.
+     */
+    public static boolean isGraphic(CharSequence str) {
+        return !TextUtils.isEmpty(str) && TextUtils.isGraphic(str);
+    }
+
+    /**
+     * Returns true if two objects are considered equal.  Two null references are equal here.
+     */
+    public static boolean areObjectsEqual(Object a, Object b) {
+        return a == b || (a != null && a.equals(b));
+    }
+
+    /**
+     * Returns true if two {@link Intent}s are both null, or have the same action.
+     */
+    public static final boolean areIntentActionEqual(Intent a, Intent b) {
+        if (a == b) {
+            return true;
+        }
+        if (a == null || b == null) {
+            return false;
+        }
+        return TextUtils.equals(a.getAction(), b.getAction());
+    }
+
+    public static boolean areGroupWritableAccountsAvailable(Context context) {
+        final List<AccountWithDataSet> accounts =
+                AccountTypeManager.getInstance(context).getGroupWritableAccounts();
+        return !accounts.isEmpty();
+    }
+
+    /**
+     * Returns the size (width and height) of thumbnail pictures as configured in the provider. This
+     * can safely be called from the UI thread, as the provider can serve this without performing
+     * a database access
+     */
+    public static int getThumbnailSize(Context context) {
+        if (sThumbnailSize == -1) {
+            final Cursor c = context.getContentResolver().query(
+                    DisplayPhoto.CONTENT_MAX_DIMENSIONS_URI,
+                    new String[] { DisplayPhoto.THUMBNAIL_MAX_DIM }, null, null, null);
+            if (c != null) {
+                try {
+                    if (c.moveToFirst()) {
+                        sThumbnailSize = c.getInt(0);
+                    }
+                } finally {
+                    c.close();
+                }
+            }
+        }
+        return sThumbnailSize != -1 ? sThumbnailSize : DEFAULT_THUMBNAIL_SIZE;
+    }
+
+    private static Intent getCustomImIntent(ImDataItem im, int protocol) {
+        String host = im.getCustomProtocol();
+        final String data = im.getData();
+        if (TextUtils.isEmpty(data)) {
+            return null;
+        }
+        if (protocol != Im.PROTOCOL_CUSTOM) {
+            // Try bringing in a well-known host for specific protocols
+            host = ContactsUtils.lookupProviderNameFromId(protocol);
+        }
+        if (TextUtils.isEmpty(host)) {
+            return null;
+        }
+        final String authority = host.toLowerCase();
+        final Uri imUri = new Uri.Builder().scheme(SCHEME_IMTO).authority(
+                authority).appendPath(data).build();
+        final Intent intent = new Intent(Intent.ACTION_SENDTO, imUri);
+        return intent;
+    }
+
+    /**
+     * Returns the proper Intent for an ImDatItem. If available, a secondary intent is stored
+     * in the second Pair slot
+     */
+    public static Pair<Intent, Intent> buildImIntent(Context context, ImDataItem im) {
+        Intent intent = null;
+        Intent secondaryIntent = null;
+        final boolean isEmail = im.isCreatedFromEmail();
+
+        if (!isEmail && !im.isProtocolValid()) {
+            return new Pair<>(null, null);
+        }
+
+        final String data = im.getData();
+        if (TextUtils.isEmpty(data)) {
+            return new Pair<>(null, null);
+        }
+
+        final int protocol = isEmail ? Im.PROTOCOL_GOOGLE_TALK : im.getProtocol();
+
+        if (protocol == Im.PROTOCOL_GOOGLE_TALK) {
+            final int chatCapability = im.getChatCapability();
+            if ((chatCapability & Im.CAPABILITY_HAS_CAMERA) != 0) {
+                intent = new Intent(Intent.ACTION_SENDTO,
+                                Uri.parse("xmpp:" + data + "?message"));
+                secondaryIntent = new Intent(Intent.ACTION_SENDTO,
+                        Uri.parse("xmpp:" + data + "?call"));
+            } else if ((chatCapability & Im.CAPABILITY_HAS_VOICE) != 0) {
+                // Allow Talking and Texting
+                intent =
+                    new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message"));
+                secondaryIntent =
+                    new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?call"));
+            } else {
+                intent =
+                    new Intent(Intent.ACTION_SENDTO, Uri.parse("xmpp:" + data + "?message"));
+            }
+        } else {
+            // Build an IM Intent
+            intent = getCustomImIntent(im, protocol);
+        }
+        return new Pair<>(intent, secondaryIntent);
+    }
+
+    /**
+     * Determine UserType from directory id and contact id.
+     *
+     * 3 types of query
+     *
+     * 1. 2 profile query: content://com.android.contacts/phone_lookup_enterprise/1234567890
+     * personal and work contact are mixed into one cursor. no directory id. contact_id indicates if
+     * it's work contact
+     *
+     * 2. work local query:
+     * content://com.android.contacts/phone_lookup_enterprise/1234567890?directory=1000000000
+     * either directory_id or contact_id is enough to identify work contact
+     *
+     * 3. work remote query:
+     * content://com.android.contacts/phone_lookup_enterprise/1234567890?directory=1000000003
+     * contact_id is random. only directory_id is available
+     *
+     * Summary: If directory_id is not null, always use directory_id to identify work contact.
+     * (which is the case here) Otherwise, use contact_id.
+     *
+     * @param directoryId directory id of ContactsProvider query
+     * @param contactId contact id
+     * @return UserType indicates the user type of the contact. A directory id or contact id larger
+     *         than a thredshold indicates that the contact is stored in Work Profile, but not in
+     *         current user. It's a contract by ContactsProvider and check by
+     *         Contacts.isEnterpriseDirectoryId and Contacts.isEnterpriseContactId. Currently, only
+     *         2 kinds of users can be detected from the directoryId and contactId as
+     *         ContactsProvider can only access current and work user's contacts
+     */
+    public static @UserType long determineUserType(Long directoryId, Long contactId) {
+        // First check directory id
+        if (directoryId != null) {
+            return DirectoryCompat.isEnterpriseDirectoryId(directoryId) ? USER_TYPE_WORK
+                    : USER_TYPE_CURRENT;
+        }
+        // Only check contact id if directory id is null
+        if (contactId != null && contactId != 0L
+                && ContactsCompat.isEnterpriseContactId(contactId)) {
+            return USER_TYPE_WORK;
+        } else {
+            return USER_TYPE_CURRENT;
+        }
+
+    }
+}