chrome/browser/webdata/web_apps_table.h

   1 // Copyright (c) 2011 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 CHROME_BROWSER_WEBDATA_WEB_APPS_TABLE_H_
   6 #define CHROME_BROWSER_WEBDATA_WEB_APPS_TABLE_H_
   7
   8 #include <vector>
   9
  10 #include "base/compiler_specific.h"
  11 #include "components/webdata/common/web_database_table.h"
  12
  13 class GURL;
  14 class SkBitmap;
  15 class WebDatabase;
  16
  17 // This class manages the WebApps tables within the SQLite database passed to
  18 // the constructor. It expects the following schema:
  19 //
  20 // Note: The database stores time in seconds, UTC.
  21 //
  22 // web_apps
  23 //   url                 URL of the web app.
  24 //   has_all_images      Do we have all the images?
  25 //
  26 // web_app_icons
  27 //   url         URL of the web app.
  28 //   width       Width of the image.
  29 //   height      Height of the image.
  30 //   image       PNG encoded image data.
  31 //
  32 class WebAppsTable : public WebDatabaseTable {
  33  public:
  34   WebAppsTable() {}
  35   virtual ~WebAppsTable() {}
  36
  37   // Retrieves the WebAppsTable* owned by |database|.
  38   static WebAppsTable* FromWebDatabase(WebDatabase* database);
  39
  40   virtual WebDatabaseTable::TypeKey GetTypeKey() const OVERRIDE;
  41   virtual bool Init(sql::Connection* db, sql::MetaTable* meta_table) OVERRIDE;
  42   virtual bool IsSyncable() OVERRIDE;
  43   virtual bool MigrateToVersion(int version,
  44                                 bool* update_compatible_version) OVERRIDE;
  45
  46   bool SetWebAppImage(const GURL& url, const SkBitmap& image);
  47
  48   // Returns true if all images are retrieved. Returns false if there is a
  49   // database error. In this case, the state of images is undefined; it may have
  50   // partial results or no results from the call.
  51   bool GetWebAppImages(const GURL& url, std::vector<SkBitmap>* images);
  52
  53   bool SetWebAppHasAllImages(const GURL& url, bool has_all_images);
  54   bool GetWebAppHasAllImages(const GURL& url);
  55
  56   bool RemoveWebApp(const GURL& url);
  57
  58  private:
  59   bool InitWebAppIconsTable();
  60   bool InitWebAppsTable();
  61
  62   DISALLOW_COPY_AND_ASSIGN(WebAppsTable);
  63 };
  64
  65 #endif  // CHROME_BROWSER_WEBDATA_WEB_APPS_TABLE_H_