android_webview/browser/aw_form_database_service.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef ANDROID_WEBVIEW_BROWSER_AW_FORM_DATABASE_SERVICE_H_
   6 #define ANDROID_WEBVIEW_BROWSER_AW_FORM_DATABASE_SERVICE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/files/file_path.h"
  10 #include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
  11 #include "components/webdata/common/web_data_service_consumer.h"
  12 #include "components/webdata/common/web_database_service.h"
  13
  14 namespace base {
  15 class WaitableEvent;
  16 };
  17
  18 namespace android_webview {
  19
  20 // Handles the database operations necessary to implement the autocomplete
  21 // functionality. This includes creating and initializing the components that
  22 // handle the database backend, and providing a synchronous interface when
  23 // needed (the chromium database components have an async. interface).
  24 class AwFormDatabaseService : public WebDataServiceConsumer {
  25  public:
  26   AwFormDatabaseService(const base::FilePath path);
  27
  28   ~AwFormDatabaseService() override;
  29
  30   void Shutdown();
  31
  32   // Returns whether the database has any data stored. May do
  33   // IO access and block.
  34   bool HasFormData();
  35
  36   // Clear any saved form data. Executes asynchronously.
  37   void ClearFormData();
  38
  39   scoped_refptr<autofill::AutofillWebDataService>
  40       get_autofill_webdata_service();
  41
  42   // WebDataServiceConsumer implementation.
  43   void OnWebDataServiceRequestDone(WebDataServiceBase::Handle h,
  44                                    const WDTypedResult* result) override;
  45
  46  private:
  47   struct PendingQuery {
  48     bool* result;
  49     base::WaitableEvent* completion;
  50   };
  51   typedef std::map<WebDataServiceBase::Handle, PendingQuery> QueryMap;
  52
  53   void ClearFormDataImpl();
  54   void HasFormDataImpl(base::WaitableEvent* completion, bool* result);
  55
  56   QueryMap result_map_;
  57
  58   scoped_refptr<autofill::AutofillWebDataService> autofill_data_;
  59   scoped_refptr<WebDatabaseService> web_database_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(AwFormDatabaseService);
  62 };
  63
  64 }  // namespace android_webview
  65
  66 #endif  // ANDROID_WEBVIEW_BROWSER_AW_FORM_DATABASE_SERVICE_H_