[subresource_filter] Site Details UI for default state

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/SingleWebsitePreferences.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.chrome.browser.preferences.website;
 
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.res.Resources;
 import android.net.Uri;
@@ skipping 295 matching lines @@
                 setUpListPreference(preference, mSite.getMicrophonePermission());
             } else if (PREF_MIDI_SYSEX_PERMISSION.equals(preference.getKey())) {
                 setUpListPreference(preference, mSite.getMidiPermission());
             } else if (PREF_NOTIFICATIONS_PERMISSION.equals(preference.getKey())) {
                 setUpListPreference(preference, mSite.getNotificationPermission());
             } else if (PREF_POPUP_PERMISSION.equals(preference.getKey())) {
                 setUpListPreference(preference, mSite.getPopupPermission());
             } else if (PREF_PROTECTED_MEDIA_IDENTIFIER_PERMISSION.equals(preference.getKey())) {
                 setUpListPreference(preference, mSite.getProtectedMediaIdentifierPermission());
             } else if (PREF_SUBRESOURCE_FILTER_PERMISSION.equals(preference.getKey())) {
-                setUpListPreference(preference, mSite.getSubresourceFilterPermission());
+                setUpSubresourceFilterPreference(preference);
             }
 
             if (permissionPreferenceKeys.contains(preference.getKey())) {
                 maxPermissionOrder = Math.max(maxPermissionOrder, preference.getOrder());
             }
         }
 
         for (UsbInfo info : mSite.getUsbInfo()) {
             Preference preference = new Preference(getActivity());
             preference.getExtras().putSerializable(EXTRA_USB_INFO, info);
@@ skipping 163 matching lines @@
             String origin = mSite.getAddress().getOrigin();
             mSite.setGeolocationInfo(new GeolocationInfo(origin, origin, false));
             setUpListPreference(preference, (boolean) locationAllowed
                     ? ContentSetting.ALLOW : ContentSetting.BLOCK);
         } else {
             setUpListPreference(preference, permission);
         }
     }
 
     /**
+     * Updates the subresource filter list preference based on subresource filter activation. This
+     * has some custom behavior.
+     * 1. If the site is filtering, the permission should show up even if it is set as the default
+     *    (e.g. |preference| is null).
+     * 2. The BLOCK string is custom.
+     */
+    private void setUpSubresourceFilterPreference(Preference preference) {
+        // If the subresource filter is activated, then this site will have resources filtered
+        // unless there is an explicit permission disallowing the filtering.
+        boolean subresourceFilterActivated = WebsitePreferenceBridge.getSubresourceFilterActivated(
+                mSite.getAddress().getOrigin());
+        ContentSetting permission = mSite.getSubresourceFilterPermission();
+
+        // If |permission| is null, there is no explicit (non-default) permission set for this site.
+        // However, if the filtering is activated, we still want to show the permission as BLOCK.
+        if (permission == null && !subresourceFilterActivated) {
+            setUpListPreference(preference, null);
+            return;
+        }
+        setUpListPreference(preference, permission == null ? ContentSetting.BLOCK : permission);
+
+        // The subresource filter permission has a custom BLOCK string.
+        ListPreference listPreference = (ListPreference) preference;
+        Resources res = getResources();
+        listPreference.setEntries(
+                new String[] {res.getString(R.string.website_settings_permissions_allow),
+                        res.getString(R.string.subresource_filter_permission_block)});
+        listPreference.setValueIndex(permission == ContentSetting.ALLOW ? 0 : 1);
+    }
+
+    /**
      * Returns true if the current host matches the default search engine host and location for the
      * default search engine is being granted via x-geo.
      * @param context The current context.
      */
     private boolean hasXGeoLocationPermission(Context context) {
         if (ChromeFeatureList.isEnabled(ChromeFeatureList.CONSISTENT_OMNIBOX_GEOLOCATION)) {
             return false;
         }
 
         String searchUrl = TemplateUrlService.getInstance().getUrlForSearchQuery("foo");
@@ skipping 213 matching lines @@
         if (mSite.getTotalUsage() > 0) {
             clearStoredData();
         } else {
             // Clearing stored data implies popping back to parent menu if there
             // is nothing left to show. Therefore, we only need to explicitly
             // close the activity if there's no stored data to begin with.
             getActivity().finish();
         }
     }
 }