App link handling is not just for "official" verified handlers

Allow apps to be enabled as link handlers for their accepted domains
even when they are not the "official" apps for those domains.

Also clean up a bunch of inconsistent/wrong state reporting in the UI.

Bug 22069429

Change-Id: Ic3b2bcc476dfc30085d3df7412b02bdc5d53df6d

src/com/android/settings/Utils.java

@@ -33,6 +33,7 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
+import android.content.pm.IntentFilterVerificationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
@@ -70,6 +71,7 @@ import android.provider.ContactsContract.RawContacts;
 import android.service.persistentdata.PersistentDataBlockManager;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
+import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
@@ -1109,6 +1111,29 @@ public final class Utils {
         return prefActList.size() > 0;
     }
 
+    public static ArraySet<String> getHandledDomains(PackageManager pm, String packageName) {
+        List<IntentFilterVerificationInfo> iviList = pm.getIntentFilterVerifications(packageName);
+        List<IntentFilter> filters = pm.getAllIntentFilters(packageName);
+
+        ArraySet<String> result = new ArraySet<>();
+        if (iviList.size() > 0) {
+            for (IntentFilterVerificationInfo ivi : iviList) {
+                for (String host : ivi.getDomains()) {
+                    result.add(host);
+                }
+            }
+        }
+        if (filters != null && filters.size() > 0) {
+            for (IntentFilter filter : filters) {
+                if (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
+                        filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)) {
+                    result.addAll(filter.getHostsList());
+                }
+            }
+        }
+        return result;
+    }
+
     public static CharSequence getLaunchByDeafaultSummary(ApplicationsState.AppEntry appEntry,
             IUsbManager usbManager, PackageManager pm, Context context) {
         String packageName = appEntry.info.packageName;

src/com/android/settings/applications/AppLaunchSettings.java

@@ -17,32 +17,31 @@
 package com.android.settings.applications;
 
 import android.app.AlertDialog;
-import android.content.ComponentName;
-import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IntentFilterVerificationInfo;
 import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.preference.Preference;
 import android.preference.SwitchPreference;
 import android.util.ArraySet;
+import android.util.Log;
 import android.view.View;
 import android.view.View.OnClickListener;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.R;
+import com.android.settings.Utils;
+
+import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS;
+import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
 
 import java.util.List;
 
-import static android.content.pm.PackageManager.GET_ACTIVITIES;
-import static android.content.pm.PackageManager.GET_META_DATA;
-import static android.content.pm.PackageManager.GET_RESOLVED_FILTER;
-
 public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListener,
         Preference.OnPreferenceChangeListener {
+    private static final String TAG = "AppLaunchSettings";
 
     private static final String KEY_OPEN_DOMAIN_URLS = "app_launch_open_domain_urls";
     private static final String KEY_SUPPORTED_DOMAIN_URLS = "app_launch_supported_domain_urls";
@@ -50,6 +49,7 @@ public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListe
 
     private PackageManager mPm;
 
+    private boolean mHasDomainUrls;
     private SwitchPreference mOpenDomainUrls;
     private AppDomainsPreference mAppDomainUrls;
     private ClearDefaultsPreference mClearDefaultsPreference;
@@ -61,61 +61,50 @@ public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListe
         addPreferencesFromResource(R.xml.installed_app_launch_settings);
 
         mPm = getActivity().getPackageManager();
-        final int myUserId = UserHandle.myUserId();
 
         mOpenDomainUrls = (SwitchPreference) findPreference(KEY_OPEN_DOMAIN_URLS);
         mOpenDomainUrls.setOnPreferenceChangeListener(this);
 
-        boolean hasDomainUrls =
+        mHasDomainUrls =
                 (mAppEntry.info.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0;
         List<IntentFilterVerificationInfo> iviList = mPm.getIntentFilterVerifications(mPackageName);
 
-        boolean enabled = hasDomainUrls && (iviList.size() != 0);
-
-        mOpenDomainUrls.setEnabled(enabled);
-        if (enabled) {
-            final int status = mPm.getIntentVerificationStatus(mPackageName, myUserId);
-            boolean checked =
-                    (status == PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
-            mOpenDomainUrls.setChecked(checked);
-        }
-
         List<IntentFilter> filters = mPm.getAllIntentFilters(mPackageName);
 
         mAppDomainUrls = (AppDomainsPreference) findPreference(KEY_SUPPORTED_DOMAIN_URLS);
-        CharSequence[] entries = getEntries(iviList, filters);
+        CharSequence[] entries = getEntries(mPackageName, iviList, filters);
         mAppDomainUrls.setTitles(entries);
         mAppDomainUrls.setValues(new int[entries.length]);
 
         mClearDefaultsPreference = (ClearDefaultsPreference) findPreference(KEY_CLEAR_DEFAULTS);
+
+        updateDomainUrlPrefState();
     }
 
-    private CharSequence[] getEntries(List<IntentFilterVerificationInfo> iviList,
+    private void updateDomainUrlPrefState() {
+        mOpenDomainUrls.setEnabled(mHasDomainUrls);
+
+        boolean checked = false;
+        if (mHasDomainUrls) {
+            final int status = mPm.getIntentVerificationStatus(mPackageName, UserHandle.myUserId());
+            if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) {
+                checked = true;
+            }
+        }
+        mOpenDomainUrls.setChecked(checked);
+    }
+
+    private CharSequence[] getEntries(String packageName, List<IntentFilterVerificationInfo> iviList,
             List<IntentFilter> filters) {
-        ArraySet<String> result = new ArraySet<>();
+        ArraySet<String> result = Utils.getHandledDomains(mPm, packageName);
-        if (iviList.size() > 0) {
+        return result.toArray(new CharSequence[result.size()]);
-            for (IntentFilterVerificationInfo ivi : iviList) {
-                for (String host : ivi.getDomains()) {
-                    result.add(host);
-                }
-            }
-        }
-        if (filters != null && filters.size() > 0) {
-            for (IntentFilter filter : filters) {
-                if (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) ||
-                        filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)) {
-                    result.addAll(filter.getHostsList());
-                }
-            }
-        }
-        return result.toArray(new CharSequence[0]);
     }
 
     @Override
     protected boolean refreshUi() {
         mClearDefaultsPreference.setPackageName(mPackageName);
         mClearDefaultsPreference.setAppEntry(mAppEntry);
-
+        updateDomainUrlPrefState();
         return true;
     }
 
@@ -125,7 +114,6 @@ public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListe
         return null;
     }
 
-
     @Override
     public void onClick(View v) {
         // Nothing to do
@@ -136,11 +124,21 @@ public class AppLaunchSettings extends AppInfoWithHeader implements OnClickListe
         boolean ret = false;
         final String key = preference.getKey();
         if (KEY_OPEN_DOMAIN_URLS.equals(key)) {
-            SwitchPreference pref = (SwitchPreference) preference;
+            final SwitchPreference pref = (SwitchPreference) preference;
-            int status = !pref.isChecked() ?
+            final Boolean switchedOn = (Boolean) newValue;
-                    PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS :
+            int newState = switchedOn ?
-                    PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
+                    INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS :
-            ret = mPm.updateIntentVerificationStatus(mPackageName, status, UserHandle.myUserId());
+                    INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
+            final int userId = UserHandle.myUserId();
+            boolean success = mPm.updateIntentVerificationStatus(mPackageName, newState, userId);
+            if (success) {
+                // read back the state to ensure canonicality
+                newState = mPm.getIntentVerificationStatus(mPackageName, userId);
+                ret = (newState == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS);
+                pref.setChecked(ret);
+            } else {
+                Log.e(TAG, "Couldn't update intent verification status!");
+            }
         }
         return ret;
     }

src/com/android/settings/applications/ManageApplications.java

@@ -20,7 +20,6 @@ import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ApplicationInfo;
-import android.content.pm.IntentFilterVerificationInfo;
 import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.os.Environment;
@@ -76,7 +75,6 @@ import com.android.settingslib.applications.ApplicationsState.VolumeFilter;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
-import java.util.List;
 
 /**
  * Activity to pick an application that will be used to display installation information and
@@ -1047,14 +1045,7 @@ public class ManageApplications extends InstrumentedFragment
         }
 
         private CharSequence getDomainsSummary(String packageName) {
-            ArraySet<String> result = new ArraySet<>();
+            ArraySet<String> result = Utils.getHandledDomains(mPm, packageName);
-            List<IntentFilterVerificationInfo> list =
-                    mPm.getIntentFilterVerifications(packageName);
-            for (IntentFilterVerificationInfo ivi : list) {
-                for (String host : ivi.getDomains()) {
-                    result.add(host);
-                }
-            }
             if (result.size() == 0) {
                 return mContext.getString(R.string.domain_urls_summary_none);
             } else if (result.size() == 1) {