Stubs for triggering the LSD in Clank

chrome/android/java/src/org/chromium/chrome/browser/preferences/LocationSettings.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;
 
 import android.Manifest;
 
+import org.chromium.base.Callback;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.SuppressFBWarnings;
 import org.chromium.chrome.browser.AppHooks;
+import org.chromium.components.location.LocationSettingsDialogContext.LocationSettingsDialogContextEnum;
+import org.chromium.components.location.LocationSettingsDialogOutcome;
 import org.chromium.components.location.LocationUtils;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.ui.base.WindowAndroid;
 
 /**
  * Provides methods for querying Chrome's internal location setting and
  * combining that with the system-wide setting and permissions.
  *
  * This class should be used only on the UI thread.
@@ skipping 16 matching lines @@
     public static LocationSettings getInstance() {
         ThreadUtils.assertOnUiThread();
         if (sInstance == null) {
             sInstance = AppHooks.get().createLocationSettings();
         }
         return sInstance;
     }
 
     @CalledByNative
     private static boolean canSitesRequestLocationPermission(WebContents webContents) {
-        ContentViewCore cvc = ContentViewCore.fromWebContents(webContents);
-        if (cvc == null) return false;
-        WindowAndroid windowAndroid = cvc.getWindowAndroid();
+        WindowAndroid windowAndroid = windowFromWebContents(webContents);
         if (windowAndroid == null) return false;
 
         LocationUtils locationUtils = LocationUtils.getInstance();
         if (!locationUtils.isSystemLocationSettingEnabled()) return false;
 
         return locationUtils.hasAndroidLocationPermission()
                 || windowAndroid.canRequestPermission(Manifest.permission.ACCESS_FINE_LOCATION);
     }
 
+    @CalledByNative
+    private static boolean canPromptToEnableSystemLocationSetting() {
+        return LocationUtils.getInstance().canPromptToEnableSystemLocationSetting();
+    }
+
+    @CalledByNative
+    private static void promptToEnableSystemLocationSetting(
+            @LocationSettingsDialogContextEnum int promptContext, WebContents webContents,
+            final long nativeCallback) {
+        WindowAndroid window = windowFromWebContents(webContents);
+        if (window == null) {
+            nativeOnLocationSettingsDialogOutcome(
+                    nativeCallback, LocationSettingsDialogOutcome.NO_PROMPT);
+            return;
+        }
+        LocationUtils.getInstance().promptToEnableSystemLocationSetting(
+                promptContext, window, new Callback<Integer>() {
+                    @Override
+                    public void onResult(Integer result) {
+                        nativeOnLocationSettingsDialogOutcome(nativeCallback, result);
+                    }
+                });
+    }
+
     /**
      * Returns true if location is enabled system-wide and the Chrome location setting is enabled.
      */
     public boolean areAllLocationSettingsEnabled() {
         return isChromeLocationSettingEnabled()
                 && LocationUtils.getInstance().isSystemLocationSettingEnabled();
     }
 
     /**
      * Returns whether Chrome's user-configurable location setting is enabled.
      */
     public boolean isChromeLocationSettingEnabled() {
         return PrefServiceBridge.getInstance().isAllowLocationEnabled();
     }
 
     @VisibleForTesting
     public static void setInstanceForTesting(LocationSettings instance) {
         sInstance = instance;
     }
+
+    private static WindowAndroid windowFromWebContents(WebContents webContents) {
+        ContentViewCore contentViewCore = ContentViewCore.fromWebContents(webContents);
+        if (contentViewCore == null) return null;
+        return contentViewCore.getWindowAndroid();
+    }
+
+    private static native void nativeOnLocationSettingsDialogOutcome(long callback, int result);
 }