Implement PreauthorizePermission

android_webview/native/permission/permission_request_handler.cc

Index: android_webview/native/permission/permission_request_handler.cc
diff --git a/android_webview/native/permission/permission_request_handler.cc b/android_webview/native/permission/permission_request_handler.cc
index 08b7431b4934dc0664c59c0d71fb98703f9da635..20cc748236b11550924f3f00318caf787368387c 100644
--- a/android_webview/native/permission/permission_request_handler.cc
+++ b/android_webview/native/permission/permission_request_handler.cc
@@ -26,6 +26,11 @@ PermissionRequestHandler::~PermissionRequestHandler() {
 
 void PermissionRequestHandler::SendRequest(
     scoped_ptr<AwPermissionRequestDelegate> request) {
+  if (Preauthorized(request->GetOrigin(), request->GetResources())) {
+    request->NotifyRequestResult(true);
+    return;
+  }
+
   AwPermissionRequest* aw_request = new AwPermissionRequest(request.Pass());
   requests_.push_back(
       base::WeakPtr<AwPermissionRequest>(aw_request->GetWeakPtr()));
@@ -45,6 +50,20 @@ void PermissionRequestHandler::CancelRequest(const GURL& origin,
   }
 }
 
+void PermissionRequestHandler::PreauthorizePermission(const GURL& origin,
+                                                      int64 resources) {
+  if (!resources)
+    return;
+
+  std::string key = origin.GetOrigin().spec();
+  if (key.empty()) {
+    LOG(ERROR) << "The origin of preauthorization is empty, ignore it.";
+    return;
+  }
+
+  preauthorized_permission_[key] |= resources;
+}
+
 PermissionRequestHandler::RequestIterator
 PermissionRequestHandler::FindRequest(const GURL& origin,
                                       int64 resources) {
@@ -77,4 +96,13 @@ void PermissionRequestHandler::PruneRequests() {
   }
 }
 
+bool PermissionRequestHandler::Preauthorized(const GURL& origin,
+                                              int64 resources) {
+  std::map<std::string, int64>::iterator i =
+      preauthorized_permission_.find(origin.GetOrigin().spec());
+
+  return i != preauthorized_permission_.end() &&
+      (resources & i->second) == resources;
+}
+
 }  // namespace android_webivew