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

3 files changed, 68 insertions, 54 deletions

diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 21a5019f0..01f4eb86e 100644
--- a/src/com/android/settings/Utils.java
+++ b/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;
diff --git a/src/com/android/settings/applications/AppLaunchSettings.java b/src/com/android/settings/applications/AppLaunchSettings.java
index 05a1fcae8..a59171f75 100644
--- a/src/com/android/settings/applications/AppLaunchSettings.java
+++ b/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 java.util.List;
+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 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;
+import java.util.List;
 
 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,
-            List<IntentFilter> filters) {
-        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());
-                }
+    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;
             }
         }
-        return result.toArray(new CharSequence[0]);
+        mOpenDomainUrls.setChecked(checked);
+    }
+
+    private CharSequence[] getEntries(String packageName, List<IntentFilterVerificationInfo> iviList,
+            List<IntentFilter> filters) {
+        ArraySet<String> result = Utils.getHandledDomains(mPm, packageName);
+        return result.toArray(new CharSequence[result.size()]);
     }
 
     @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;
-            int status = !pref.isChecked() ?
-                    PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS :
-                    PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER;
-            ret = mPm.updateIntentVerificationStatus(mPackageName, status, UserHandle.myUserId());
+            final SwitchPreference pref = (SwitchPreference) preference;
+            final Boolean switchedOn = (Boolean) newValue;
+            int newState = switchedOn ?
+                    INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS :
+                    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;
     }
diff --git a/src/com/android/settings/applications/ManageApplications.java b/src/com/android/settings/applications/ManageApplications.java
index c1566d05d..0a09133ff 100644
--- a/src/com/android/settings/applications/ManageApplications.java
+++ b/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<>();
-            List<IntentFilterVerificationInfo> list =
-                    mPm.getIntentFilterVerifications(packageName);
-            for (IntentFilterVerificationInfo ivi : list) {
-                for (String host : ivi.getDomains()) {
-                    result.add(host);
-                }
-            }
+            ArraySet<String> result = Utils.getHandledDomains(mPm, packageName);
             if (result.size() == 0) {
                 return mContext.getString(R.string.domain_urls_summary_none);
             } else if (result.size() == 1) {