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/*
* Copyright (C) 2007, 2013 Apple 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_SQL_STATEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_SQL_STATEMENT_H_
#include "third_party/blink/renderer/bindings/modules/v8/v8_sql_statement_callback.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_sql_statement_error_callback.h"
#include "third_party/blink/renderer/core/probe/async_task_id.h"
#include "third_party/blink/renderer/modules/webdatabase/sql_result_set.h"
#include "third_party/blink/renderer/modules/webdatabase/sqlite/sql_value.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class Database;
class SQLError;
class SQLStatementBackend;
class SQLTransaction;
class SQLStatement final : public GarbageCollected<SQLStatement> {
public:
class OnSuccessCallback : public GarbageCollected<OnSuccessCallback> {
public:
virtual ~OnSuccessCallback() = default;
virtual void Trace(Visitor*) {}
virtual bool OnSuccess(SQLTransaction*, SQLResultSet*) = 0;
protected:
OnSuccessCallback() = default;
};
class OnSuccessV8Impl : public OnSuccessCallback {
public:
static OnSuccessV8Impl* Create(V8SQLStatementCallback* callback) {
return callback ? MakeGarbageCollected<OnSuccessV8Impl>(callback)
: nullptr;
}
explicit OnSuccessV8Impl(V8SQLStatementCallback* callback)
: callback_(callback) {}
void Trace(Visitor*) override;
bool OnSuccess(SQLTransaction*, SQLResultSet*) override;
private:
Member<V8SQLStatementCallback> callback_;
};
class OnErrorCallback : public GarbageCollected<OnErrorCallback> {
public:
virtual ~OnErrorCallback() = default;
virtual void Trace(Visitor*) {}
virtual bool OnError(SQLTransaction*, SQLError*) = 0;
protected:
OnErrorCallback() = default;
};
class OnErrorV8Impl : public OnErrorCallback {
public:
static OnErrorV8Impl* Create(V8SQLStatementErrorCallback* callback) {
return callback ? MakeGarbageCollected<OnErrorV8Impl>(callback) : nullptr;
}
explicit OnErrorV8Impl(V8SQLStatementErrorCallback* callback)
: callback_(callback) {}
void Trace(Visitor*) override;
bool OnError(SQLTransaction*, SQLError*) override;
private:
Member<V8SQLStatementErrorCallback> callback_;
};
static SQLStatement* Create(Database*, OnSuccessCallback*, OnErrorCallback*);
SQLStatement(Database*, OnSuccessCallback*, OnErrorCallback*);
void Trace(Visitor*);
bool PerformCallback(SQLTransaction*);
void SetBackend(SQLStatementBackend*);
bool HasCallback();
bool HasErrorCallback();
private:
// The SQLStatementBackend owns the SQLStatement. Hence, the backend is
// guaranteed to be outlive the SQLStatement, and it is safe for us to refer
// to the backend using a raw pointer here.
Member<SQLStatementBackend> backend_;
Member<OnSuccessCallback> success_callback_;
Member<OnErrorCallback> error_callback_;
probe::AsyncTaskId async_task_id_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBDATABASE_SQL_STATEMENT_H_
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