text: /*
   * Copyright (C) 2010 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1.  Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 2.  Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
   *     its contributors may be used to endorse or promote products derived
   *     from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_INSPECTOR_DATABASE_AGENT_H_
  #define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_INSPECTOR_DATABASE_AGENT_H_
  
  #include "base/macros.h"
  #include "third_party/blink/renderer/core/inspector/inspector_base_agent.h"
  #include "third_party/blink/renderer/core/inspector/protocol/database.h"
  #include "third_party/blink/renderer/modules/modules_export.h"
  #include "third_party/blink/renderer/platform/heap/handle.h"
  #include "third_party/blink/renderer/platform/wtf/hash_map.h"
  #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
  
  namespace blink {
  
  class Database;
  class InspectorDatabaseResource;
  class Page;
  
  class MODULES_EXPORT InspectorDatabaseAgent final
      : public InspectorBaseAgent<protocol::Database::Metainfo> {
   public:
    explicit InspectorDatabaseAgent(Page*);
  
    InspectorDatabaseAgent(const InspectorDatabaseAgent&) = delete;
    InspectorDatabaseAgent& operator=(const InspectorDatabaseAgent&) = delete;
  
    ~InspectorDatabaseAgent() override;
    void Trace(Visitor*) const override;
  
    protocol::Response disable() override;
    void Restore() override;
    void DidCommitLoadForLocalFrame(LocalFrame*) override;
  
    // Called from the front-end.
    protocol::Response enable() override;
    protocol::Response getDatabaseTableNames(
        const String& database_id,
        std::unique_ptr<protocol::Array<String>>* names) override;
    void executeSQL(const String& database_id,
                    const String& query,
                    std::unique_ptr<ExecuteSQLCallback>) override;
  
    void DidOpenDatabase(blink::Database*,
                         const String& domain,
                         const String& name,
                         const String& version);
  
   private:
    void InnerEnable();
    void RegisterDatabaseOnCreation(blink::Database*);
  
    blink::Database* DatabaseForId(const String& database_id);
    InspectorDatabaseResource* FindByFileName(const String& file_name);
  
    Member<Page> page_;
    typedef HeapHashMap<String, Member<InspectorDatabaseResource>>
        DatabaseResourcesHeapMap;
    DatabaseResourcesHeapMap resources_;
    InspectorAgentState::Boolean enabled_;
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_INSPECTOR_DATABASE_AGENT_H_
  