Implementing geolocation for the Android Webview

android_webview/browser/aw_content_browser_client.cc

 // Copyright (c) 2012 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.
 
 #include "android_webview/browser/aw_content_browser_client.h"
 
 #include "android_webview/browser/aw_browser_main_parts.h"
 #include "android_webview/browser/aw_cookie_access_policy.h"
 #include "android_webview/browser/aw_quota_permission_context.h"
 #include "android_webview/browser/net_disk_cache_remover.h"
 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
 #include "android_webview/common/url_constants.h"
 #include "base/android/locale_utils.h"
 #include "base/base_paths_android.h"
 #include "base/path_service.h"
 #include "content/public/browser/access_token_store.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/common/url_constants.h"
 #include "grit/ui_resources.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace {
 
-class DummyAccessTokenStore : public content::AccessTokenStore {
+class AwAccessTokenStore : public content::AccessTokenStore {
  public:
-  DummyAccessTokenStore() { }
+  AwAccessTokenStore() { }
 
+  // content::AccessTokenStore implementation
   virtual void LoadAccessTokens(
-      const LoadAccessTokensCallbackType& request) OVERRIDE { }
-
- private:
-  virtual ~DummyAccessTokenStore() { }
-
+      const LoadAccessTokensCallbackType& request) OVERRIDE {
+    AccessTokenStore::AccessTokenSet access_token_set;
+    // AccessTokenSet and net::URLRequestContextGetter not used on Android,
+    // but Run needs to be called to finish the geolocation setup.
+    request.Run(access_token_set, NULL);
+  }
   virtual void SaveAccessToken(
       const GURL& server_url, const string16& access_token) OVERRIDE { }
 
-  DISALLOW_COPY_AND_ASSIGN(DummyAccessTokenStore);
+ private:
+  virtual ~AwAccessTokenStore() { }
+
+  DISALLOW_COPY_AND_ASSIGN(AwAccessTokenStore);
 };
 
 }
 
 namespace android_webview {
 
 AwContentBrowserClient::AwContentBrowserClient(
     ViewDelegateFactoryFn* view_delegate_factory,
     GeolocationPermissionFactoryFn* geolocation_permission_factory)
     : view_delegate_factory_(view_delegate_factory) {
@@ skipping 216 matching lines @@
   AwResourceDispatcherHostDelegate::ResourceDispatcherHostCreated();
 }
 
 net::NetLog* AwContentBrowserClient::GetNetLog() {
   // TODO(boliu): Implement AwNetLog.
   return NULL;
 }
 
 content::AccessTokenStore* AwContentBrowserClient::CreateAccessTokenStore() {
   // TODO(boliu): Implement as part of geolocation code.
-  return new DummyAccessTokenStore();
+  return new AwAccessTokenStore();
 }
 
 bool AwContentBrowserClient::IsFastShutdownPossible() {
   NOTREACHED() << "Android WebView is single process, so IsFastShutdownPossible"
                << " should never be called";
   return false;
 }
 
 void AwContentBrowserClient::UpdateInspectorSetting(
     content::RenderViewHost* rvh,
@@ skipping 40 matching lines @@
 
 bool AwContentBrowserClient::AllowPepperSocketAPI(
     content::BrowserContext* browser_context,
     const GURL& url,
     const content::SocketPermissionRequest& params) {
   NOTREACHED() << "Android WebView does not support plugins";
   return false;
 }
 
 }  // namespace android_webview