1 files changed, 229 insertions, 0 deletions
diff --git a/WebCore/inspector/InspectorStorageAgent.cpp b/WebCore/inspector/InspectorStorageAgent.cpp
new file mode 100644
index 0000000..f95b392
--- /dev/null
+++ b/WebCore/inspector/InspectorStorageAgent.cpp
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+/*
+ * 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.
+ */
+
+#include "config.h"
+
+#include "InspectorStorageAgent.h"
+
+#if ENABLE(INSPECTOR) && ENABLE(DATABASE)
+
+#include "Database.h"
+#include "ExceptionCode.h"
+#include "InspectorValues.h"
+#include "SQLError.h"
+#include "SQLStatementCallback.h"
+#include "SQLStatementErrorCallback.h"
+#include "SQLResultSetRowList.h"
+#include "SQLTransaction.h"
+#include "SQLTransactionCallback.h"
+#include "SQLTransactionErrorCallback.h"
+#include "SQLValue.h"
+#include "RemoteInspectorFrontend.h"
+#include "VoidCallback.h"
+
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+namespace {
+
+long lastTransactionId = 0;
+
+void reportTransactionFailed(InspectorStorageAgent* agent, long transactionId, SQLError* error)
+{
+    if (!agent->frontend())
+        return;
+    RefPtr<InspectorObject> errorObject = InspectorObject::create();
+    errorObject->setString("message", error->message());
+    errorObject->setNumber("code", error->code());
+    agent->frontend()->sqlTransactionFailed(transactionId, errorObject);
+}
+
+class StatementCallback : public SQLStatementCallback {
+public:
+    static PassRefPtr<StatementCallback> create(long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+    {
+        return adoptRef(new StatementCallback(transactionId, agent));
+    }
+
+    virtual ~StatementCallback() { }
+
+    virtual bool handleEvent(SQLTransaction*, SQLResultSet* resultSet)
+    {
+        if (!m_agent->frontend())
+            return true;
+
+        SQLResultSetRowList* rowList = resultSet->rows();
+
+        RefPtr<InspectorArray> columnNames = InspectorArray::create();
+        const Vector<String>& columns = rowList->columnNames();
+        for (size_t i = 0; i < columns.size(); ++i)
+            columnNames->pushString(columns[i]);
+
+        RefPtr<InspectorArray> values = InspectorArray::create();
+        const Vector<SQLValue>& data = rowList->values();
+        for (size_t i = 0; i < data.size(); ++i) {
+            const SQLValue& value = rowList->values()[i];
+            switch (value.type()) {
+                case SQLValue::StringValue: values->pushString(value.string()); break;
+                case SQLValue::NumberValue: values->pushNumber(value.number()); break;
+                case SQLValue::NullValue: values->push(InspectorValue::null()); break;
+            }
+        }
+        m_agent->frontend()->sqlTransactionSucceeded(m_transactionId, columnNames, values);
+        return true;
+    }
+
+private:
+    StatementCallback(long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+        : m_transactionId(transactionId)
+        , m_agent(agent) { }
+    long m_transactionId;
+    RefPtr<InspectorStorageAgent> m_agent;
+};
+
+class StatementErrorCallback : public SQLStatementErrorCallback {
+public:
+    static PassRefPtr<StatementErrorCallback> create(long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+    {
+        return adoptRef(new StatementErrorCallback(transactionId, agent));
+    }
+
+    virtual ~StatementErrorCallback() { }
+
+    virtual bool handleEvent(SQLTransaction*, SQLError* error)
+    {
+        reportTransactionFailed(m_agent.get(), m_transactionId, error);
+        return true;  
+    }
+
+private:
+    StatementErrorCallback(long transactionId, RefPtr<InspectorStorageAgent> agent)
+        : m_transactionId(transactionId)
+        , m_agent(agent) { }
+    long m_transactionId;
+    RefPtr<InspectorStorageAgent> m_agent;
+};
+
+class TransactionCallback : public SQLTransactionCallback {
+public:
+    static PassRefPtr<TransactionCallback> create(const String& sqlStatement, long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+    {
+        return adoptRef(new TransactionCallback(sqlStatement, transactionId, agent));
+    }
+
+    virtual ~TransactionCallback() { }
+
+    virtual bool handleEvent(SQLTransaction* transaction)
+    {
+        if (!m_agent->frontend())
+            return true;
+
+        Vector<SQLValue> sqlValues;
+        RefPtr<SQLStatementCallback> callback(StatementCallback::create(m_transactionId, m_agent));
+        RefPtr<SQLStatementErrorCallback> errorCallback(StatementErrorCallback::create(m_transactionId, m_agent));
+        ExceptionCode ec = 0;
+        transaction->executeSQL(m_sqlStatement, sqlValues, callback.release(), errorCallback.release(), ec);
+        return true;
+    }
+private:
+    TransactionCallback(const String& sqlStatement, long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+        : m_sqlStatement(sqlStatement)
+        , m_transactionId(transactionId)
+        , m_agent(agent) { }
+    String m_sqlStatement;
+    long m_transactionId;
+    RefPtr<InspectorStorageAgent> m_agent;
+};
+
+class TransactionErrorCallback : public SQLTransactionErrorCallback {
+public:
+    static PassRefPtr<TransactionErrorCallback> create(long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+    {
+        return adoptRef(new TransactionErrorCallback(transactionId, agent));
+    }
+
+    virtual ~TransactionErrorCallback() { }
+
+    virtual bool handleEvent(SQLError* error)
+    {
+        reportTransactionFailed(m_agent.get(), m_transactionId, error);
+        return true;
+    }
+private:
+    TransactionErrorCallback(long transactionId, PassRefPtr<InspectorStorageAgent> agent)
+        : m_transactionId(transactionId)
+        , m_agent(agent) { }
+    long m_transactionId;
+    RefPtr<InspectorStorageAgent> m_agent;
+};
+
+class TransactionSuccessCallback : public VoidCallback {
+public:
+    static PassRefPtr<TransactionSuccessCallback> create()
+    {
+        return adoptRef(new TransactionSuccessCallback());
+    }
+
+    virtual ~TransactionSuccessCallback() { }
+
+    virtual void handleEvent() { }
+
+private:
+    TransactionSuccessCallback() { }
+};
+
+} // namespace
+
+InspectorStorageAgent::InspectorStorageAgent(RemoteInspectorFrontend* frontend)
+    : m_frontend(frontend)
+{
+}
+
+InspectorStorageAgent::~InspectorStorageAgent()
+{
+}
+
+long InspectorStorageAgent::executeSQL(Database* database, const String& query)
+{
+    long transactionId = ++lastTransactionId;
+    RefPtr<SQLTransactionCallback> callback(TransactionCallback::create(query, transactionId, this));
+    RefPtr<SQLTransactionErrorCallback> errorCallback(TransactionErrorCallback::create(transactionId, this));
+    RefPtr<VoidCallback> successCallback(TransactionSuccessCallback::create());
+    database->transaction(callback.release(), errorCallback.release(), successCallback.release());
+    return transactionId;
+}
+
+void InspectorStorageAgent::clearFrontend()
+{
+    m_frontend = 0;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INSPECTOR) && ENABLE(DATABASE)