Add Exchange fallback and support diverting to Gmail

b/16679701

Change-Id: I59d7cb4a803f0ad8e782614d0c6cc635318d2375
(cherry picked from commit d039322f74)

emailcommon/src/com/android/emailcommon/VendorPolicyLoader.java

@@ -218,6 +218,10 @@ public class VendorPolicyLoader {
         public String incomingUsernameTemplate;
         public String outgoingUriTemplate;
         public String outgoingUsernameTemplate;
+        public String altIncomingUriTemplate;
+        public String altIncomingUsernameTemplate;
+        public String altOutgoingUriTemplate;
+        public String altOutgoingUsernameTemplate;
         public String incomingUri;
         public String incomingUsername;
         public String outgoingUri;
@@ -231,8 +235,8 @@ public class VendorPolicyLoader {
          * @param email user-specified data used to replace template values
          */
         public void expandTemplates(String email) {
-            String[] emailParts = email.split("@");
+            final String[] emailParts = email.split("@");
-            String user = emailParts[0];
+            final String user = emailParts[0];
 
             incomingUri = expandTemplate(incomingUriTemplate, email, user);
             incomingUsername = expandTemplate(incomingUsernameTemplate, email, user);
@@ -240,6 +244,20 @@ public class VendorPolicyLoader {
             outgoingUsername = expandTemplate(outgoingUsernameTemplate, email, user);
         }
 
+        /**
+         * Like the above, but expands the alternate templates instead
+         * @param email user-specified data used to replace template values
+         */
+        public void expandAlternateTemplates(String email) {
+            final String[] emailParts = email.split("@");
+            final String user = emailParts[0];
+
+            incomingUri = expandTemplate(altIncomingUriTemplate, email, user);
+            incomingUsername = expandTemplate(altIncomingUsernameTemplate, email, user);
+            outgoingUri = expandTemplate(altOutgoingUriTemplate, email, user);
+            outgoingUsername = expandTemplate(altOutgoingUsernameTemplate, email, user);
+        }
+
         /**
          * Replaces all parameterized values in the given template. The values replaced are
          * $domain, $user and $email.

res/values/attrs.xml

@@ -65,5 +65,6 @@
         </attr>
         <attr name="inferPrefix" format="string"/>
         <attr name="requiresSetup" format="boolean"/>
+        <attr name="isGmailStub" format="boolean"/>
     </declare-styleable>
 </resources>

res/values/strings.xml

@@ -820,4 +820,6 @@
     <!-- Activity name of the compose activity that should be reconciled -->
     <string name="reconciliation_compose_activity_name" translatable="false">com.android.email.activity.ComposeActivityEmail</string>
 
+    <!-- Gmail name for redirecting during account setup -->
+    <string name="gmail_name">Gmail</string>
 </resources>

res/xml/providers.xml

@@ -179,62 +179,65 @@
     </provider>
 
     <!-- Hotmail and variants.  NOTE: These are handled by exchange if available, else POP3. -->
-    <!-- EXCHANGE-REMOVE-SECTION-START -->
     <provider id="live1" label="Windows Live Hotmail Plus" domain="live.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="live2" label="Windows Live Hotmail Plus" domain="live.*.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="live3" label="Windows Live Hotmail Plus" domain="*.live.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="hotmail1" label="Windows Live Hotmail Plus" domain="hotmail.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="hotmail2" label="Windows Live Hotmail Plus" domain="hotmail.*.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="hotmail3" label="Windows Live Hotmail Plus" domain="livemail.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="hotmail4" label="Windows Live Hotmail Plus" domain="livemail.*.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="msn" label="Windows Live Hotmail Plus" domain="msn.*">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
     <provider id="msnhotmail" label="Windows Live Hotmail Plus" domain="msnhotmail.com">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
+        <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
+        <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
     </provider>
         <provider id="outlook" label="Outlook" domain="outlook.com">
         <incoming uri="eas+ssl+://m.hotmail.com"  username="$email" />
         <outgoing uri="eas+ssl+://m.hotmail.com" username="$email" />
-    </provider>
+            <incoming-fallback uri="imap+ssl+://imap-mail.outlook.com" username="$email" />
-    <!-- EXCHANGE-REMOVE-SECTION-END -->
+            <outgoing-fallback uri="smtp+tls+://smtp-mail.outlook.com" username="$email" />
-    <provider id="live" label="Windows Live Hotmail Plus" domain="live.com"
-            note="@string/provider_note_live">
-        <incoming uri="pop3+ssl+://pop3.live.com"  username="$email" />
-        <outgoing uri="smtp+tls+://smtp.live.com" username="$email" />
-    </provider>
-    <provider id="hotmail" label="Windows Live Hotmail Plus" domain="hotmail.com"
-            note="@string/provider_note_live">
-        <incoming uri="pop3+ssl+://pop3.live.com"  username="$email" />
-        <outgoing uri="smtp+tls+://smtp.live.com" username="$email" />
-    </provider>
-    <provider id="msn" label="Windows Live Hotmail Plus" domain="msn.com"
-            note="@string/provider_note_live">
-        <incoming uri="pop3+ssl+://pop3.live.com"  username="$email" />
-        <outgoing uri="smtp+tls+://smtp.live.com" username="$email" />
     </provider>
 
     <!-- Yahoo! Mail variants -->

res/xml/services.xml

@@ -110,5 +110,11 @@
         email:syncContacts="true"
         email:syncCalendar="true"
         email:offerMoveTo="true"
-         />
+        />
+    <emailservice
+        email:protocol="gmail"
+        email:name="@string/gmail_name"
+        email:isGmailStub="true"
+        email:hide="true"
+        />
 </emailservices>

src/com/android/email/activity/setup/AccountSettingsUtils.java

@@ -305,6 +305,20 @@ public class AccountSettingsUtils {
                     provider.outgoingUriTemplate = getXmlAttribute(context, xml, "uri");
                     provider.outgoingUsernameTemplate = getXmlAttribute(context, xml, "username");
                 }
+                else if (xmlEventType == XmlResourceParser.START_TAG
+                        && "incoming-fallback".equals(xml.getName())
+                        && provider != null) {
+                    provider.altIncomingUriTemplate = getXmlAttribute(context, xml, "uri");
+                    provider.altIncomingUsernameTemplate =
+                            getXmlAttribute(context, xml, "username");
+                }
+                else if (xmlEventType == XmlResourceParser.START_TAG
+                        && "outgoing-fallback".equals(xml.getName())
+                        && provider != null) {
+                    provider.altOutgoingUriTemplate = getXmlAttribute(context, xml, "uri");
+                    provider.altOutgoingUsernameTemplate =
+                            getXmlAttribute(context, xml, "username");
+                }
                 else if (xmlEventType == XmlResourceParser.END_TAG
                         && "provider".equals(xml.getName())
                         && provider != null) {

src/com/android/email/activity/setup/AccountSetupFinal.java

@@ -564,6 +564,9 @@ public class AccountSetupFinal extends AccountSetupActivity
                             mState = STATE_AB;
                         } else {
                             mState = STATE_CREDENTIALS;
+                            if (possiblyDivertToGmail()) {
+                                return;
+                            }
                         }
                     } else {
                         final String amProtocol = mSetupData.getAmProtocol();
@@ -585,6 +588,9 @@ public class AccountSetupFinal extends AccountSetupActivity
                 updateContentFragment(true /* addToBackstack */);
                 break;
             case STATE_AB:
+                if (possiblyDivertToGmail()) {
+                    return;
+                }
                 mState = STATE_CREDENTIALS;
                 updateContentFragment(true /* addToBackstack */);
                 break;
@@ -677,6 +683,29 @@ public class AccountSetupFinal extends AccountSetupActivity
         }
     }
 
+    /**
+     * Check if we should divert to creating a Gmail account instead
+     * @return true if we diverted
+     */
+    private boolean possiblyDivertToGmail() {
+        // TODO: actually divert here
+        final EmailServiceUtils.EmailServiceInfo info =
+                mSetupData.getIncomingServiceInfo(this);
+        if (TextUtils.equals(info.protocol, "gmail")) {
+            final Bundle options = new Bundle(1);
+            options.putBoolean("allowSkip", false);
+            AccountManager.get(this).addAccount("com.google",
+                    "mail" /* authTokenType */,
+                    null,
+                    options,
+                    this, null, null);
+
+            finish();
+            return true;
+        }
+        return false;
+    }
+
     /**
      * Block the back key if we are currently processing the "next" key"
      */
@@ -831,9 +860,17 @@ public class AccountSetupFinal extends AccountSetupActivity
             final Account account = mSetupData.getAccount();
             final HostAuth recvAuth = account.getOrCreateHostAuthRecv(this);
             recvAuth.setHostAuthFromString(mProvider.incomingUri);
-            recvAuth.setUserName(mProvider.incomingUsername);
 
             final EmailServiceUtils.EmailServiceInfo info = mSetupData.getIncomingServiceInfo(this);
+            // If the protocol isn't one we can use, and we're not diverting to gmail, try the alt
+            if (!info.isGmailStub && !EmailServiceUtils.isServiceAvailable(this, info.protocol)) {
+                LogUtils.d(LogUtils.TAG, "Protocol %s not available, using alternate",
+                        info.protocol);
+                mProvider.expandAlternateTemplates(email);
+                recvAuth.setHostAuthFromString(mProvider.incomingUri);
+            }
+
+            recvAuth.setUserName(mProvider.incomingUsername);
             recvAuth.mPort =
                     ((recvAuth.mFlags & HostAuth.FLAG_SSL) != 0) ? info.portSsl : info.port;
 

src/com/android/email/service/EmailServiceUtils.java

@@ -211,6 +211,7 @@ public class EmailServiceUtils {
         public boolean offerMoveTo;
         public boolean requiresSetup;
         public boolean hide;
+        public boolean isGmailStub;
 
         @Override
         public String toString() {
@@ -608,6 +609,8 @@ public class EmailServiceUtils {
                                 ta.getBoolean(R.styleable.EmailServiceInfo_offerMoveTo, false);
                         info.requiresSetup =
                                 ta.getBoolean(R.styleable.EmailServiceInfo_requiresSetup, false);
+                        info.isGmailStub =
+                                ta.getBoolean(R.styleable.EmailServiceInfo_isGmailStub, false);
 
                         // Must have either "class" (local) or "intent" (remote)
                         if (klass != null) {
@@ -619,7 +622,9 @@ public class EmailServiceUtils {
                                         "Class not found in service descriptor: " + klass);
                             }
                         }
-                        if (info.klass == null && info.intentAction == null) {
+                        if (info.klass == null &&
+                                info.intentAction == null &&
+                                !info.isGmailStub) {
                             throw new IllegalStateException(
                                     "No class or intent action specified in service descriptor");
                         }