First implementation of web intents table.

chrome/browser/webdata/web_intents_table.h

+// Copyright (c) 2011 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.
+
+#ifndef CHROME_BROWSER_WEBDATA_WEB_INTENTS_TABLE_H_
+#define CHROME_BROWSER_WEBDATA_WEB_INTENTS_TABLE_H_
+#pragma once
+
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/string16.h"
+#include "googleurl/src/gurl.h"
+#include "chrome/browser/webdata/web_database_table.h"
+
+// Describes the relevant elements of a WebIntent.
+// TODO(groby): Will need to be moved to different place once more
+// infrastructure for WebIntents is in place.
+struct WebIntentData {
+  GURL service_url; // URL for service invocation.
+  string16 action; // Name of action provided by service.
+  string16 type; // MIME type of data accepted by service.
+};
+
+// This class manages the WebIntents table within the SQLite database passed
+// to the constructor. It expects the following schema:
+//
+// web_intents
+//    service_url       URL for service invocation.
+//    action            Name of action provided by the service.
+//    type              MIME type of data accepted by the service.
+//
+// Intents are uniquely identified by the <service_url,action,type> tuple.
+class WebIntentsTable : public WebDatabaseTable {
+ public:
+   WebIntentsTable(sql::Connection* db, sql::MetaTable* meta_table);
+   virtual ~WebIntentsTable();
+
+  // WebDatabaseTable implementation.
+  virtual bool Init();
+  virtual bool IsSyncable();
+
+  // Adds a web intent to the WebIntents table. If intent already exists,
+  // replaces it.
+  bool SetWebIntent(const string16& action,
+                    const string16& type,
+                    const GURL& service_url);
+
+  // Retrieve all intents from WebIntents table that match |action|.
+  bool GetWebIntents(const string16& action,
+                     std::vector<WebIntentData>* intents);
+
+  // Removes intent from WebIntents table - must match all parameters exactly.
+  bool RemoveWebIntent(const string16& action,
+                       const string16& type,
+                       const GURL& service_url);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebIntentsTable);
+};
+
+#endif  // CHROME_BROWSER_WEBDATA_WEB_INTENTS_TABLE_H_