1 files changed, 316 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/modules/webdatabase/InspectorDatabaseAgent.cpp b/chromium/third_party/WebKit/Source/modules/webdatabase/InspectorDatabaseAgent.cpp
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index 00000000000..7fb02271a83
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+++ b/chromium/third_party/WebKit/Source/modules/webdatabase/InspectorDatabaseAgent.cpp
@@ -0,0 +1,316 @@
+/*
+ * 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 "modules/webdatabase/InspectorDatabaseAgent.h"
+
+#include "bindings/v8/ExceptionStatePlaceholder.h"
+#include "core/frame/LocalFrame.h"
+#include "core/html/VoidCallback.h"
+#include "core/inspector/InspectorState.h"
+#include "core/loader/DocumentLoader.h"
+#include "core/page/Page.h"
+#include "modules/webdatabase/Database.h"
+#include "modules/webdatabase/InspectorDatabaseResource.h"
+#include "modules/webdatabase/SQLError.h"
+#include "modules/webdatabase/SQLResultSet.h"
+#include "modules/webdatabase/SQLResultSetRowList.h"
+#include "modules/webdatabase/SQLStatementCallback.h"
+#include "modules/webdatabase/SQLStatementErrorCallback.h"
+#include "modules/webdatabase/SQLTransaction.h"
+#include "modules/webdatabase/SQLTransactionCallback.h"
+#include "modules/webdatabase/SQLTransactionErrorCallback.h"
+#include "modules/webdatabase/sqlite/SQLValue.h"
+#include "platform/JSONValues.h"
+#include "wtf/Vector.h"
+
+typedef WebCore::InspectorBackendDispatcher::DatabaseCommandHandler::ExecuteSQLCallback ExecuteSQLCallback;
+
+namespace WebCore {
+
+namespace DatabaseAgentState {
+static const char databaseAgentEnabled[] = "databaseAgentEnabled";
+};
+
+namespace {
+
+void reportTransactionFailed(ExecuteSQLCallback* requestCallback, SQLError* error)
+{
+    RefPtr<TypeBuilder::Database::Error> errorObject = TypeBuilder::Database::Error::create()
+        .setMessage(error->message())
+        .setCode(error->code());
+    requestCallback->sendSuccess(nullptr, nullptr, errorObject.release());
+}
+
+class StatementCallback FINAL : public SQLStatementCallback {
+public:
+    static PassOwnPtr<StatementCallback> create(PassRefPtr<ExecuteSQLCallback> requestCallback)
+    {
+        return adoptPtr(new StatementCallback(requestCallback));
+    }
+
+    virtual ~StatementCallback() { }
+
+    virtual bool handleEvent(SQLTransaction*, SQLResultSet* resultSet) OVERRIDE
+    {
+        SQLResultSetRowList* rowList = resultSet->rows();
+
+        RefPtr<TypeBuilder::Array<String> > columnNames = TypeBuilder::Array<String>::create();
+        const Vector<String>& columns = rowList->columnNames();
+        for (size_t i = 0; i < columns.size(); ++i)
+            columnNames->addItem(columns[i]);
+
+        RefPtr<TypeBuilder::Array<JSONValue> > values = TypeBuilder::Array<JSONValue>::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->addItem(JSONString::create(value.string())); break;
+            case SQLValue::NumberValue: values->addItem(JSONBasicValue::create(value.number())); break;
+            case SQLValue::NullValue: values->addItem(JSONValue::null()); break;
+            }
+        }
+        m_requestCallback->sendSuccess(columnNames.release(), values.release(), nullptr);
+        return true;
+    }
+
+private:
+    StatementCallback(PassRefPtr<ExecuteSQLCallback> requestCallback)
+        : m_requestCallback(requestCallback) { }
+    RefPtr<ExecuteSQLCallback> m_requestCallback;
+};
+
+class StatementErrorCallback FINAL : public SQLStatementErrorCallback {
+public:
+    static PassOwnPtr<StatementErrorCallback> create(PassRefPtr<ExecuteSQLCallback> requestCallback)
+    {
+        return adoptPtr(new StatementErrorCallback(requestCallback));
+    }
+
+    virtual ~StatementErrorCallback() { }
+
+    virtual bool handleEvent(SQLTransaction*, SQLError* error) OVERRIDE
+    {
+        reportTransactionFailed(m_requestCallback.get(), error);
+        return true;
+    }
+
+private:
+    StatementErrorCallback(PassRefPtr<ExecuteSQLCallback> requestCallback)
+        : m_requestCallback(requestCallback) { }
+    RefPtr<ExecuteSQLCallback> m_requestCallback;
+};
+
+class TransactionCallback FINAL : public SQLTransactionCallback {
+public:
+    static PassOwnPtr<TransactionCallback> create(const String& sqlStatement, PassRefPtr<ExecuteSQLCallback> requestCallback)
+    {
+        return adoptPtr(new TransactionCallback(sqlStatement, requestCallback));
+    }
+
+    virtual ~TransactionCallback() { }
+
+    virtual bool handleEvent(SQLTransaction* transaction) OVERRIDE
+    {
+        if (!m_requestCallback->isActive())
+            return true;
+
+        Vector<SQLValue> sqlValues;
+        OwnPtr<SQLStatementCallback> callback(StatementCallback::create(m_requestCallback.get()));
+        OwnPtr<SQLStatementErrorCallback> errorCallback(StatementErrorCallback::create(m_requestCallback.get()));
+        transaction->executeSQL(m_sqlStatement, sqlValues, callback.release(), errorCallback.release(), IGNORE_EXCEPTION);
+        return true;
+    }
+private:
+    TransactionCallback(const String& sqlStatement, PassRefPtr<ExecuteSQLCallback> requestCallback)
+        : m_sqlStatement(sqlStatement)
+        , m_requestCallback(requestCallback) { }
+    String m_sqlStatement;
+    RefPtr<ExecuteSQLCallback> m_requestCallback;
+};
+
+class TransactionErrorCallback FINAL : public SQLTransactionErrorCallback {
+public:
+    static PassOwnPtr<TransactionErrorCallback> create(PassRefPtr<ExecuteSQLCallback> requestCallback)
+    {
+        return adoptPtr(new TransactionErrorCallback(requestCallback));
+    }
+
+    virtual ~TransactionErrorCallback() { }
+
+    virtual bool handleEvent(SQLError* error) OVERRIDE
+    {
+        reportTransactionFailed(m_requestCallback.get(), error);
+        return true;
+    }
+private:
+    TransactionErrorCallback(PassRefPtr<ExecuteSQLCallback> requestCallback)
+        : m_requestCallback(requestCallback) { }
+    RefPtr<ExecuteSQLCallback> m_requestCallback;
+};
+
+class TransactionSuccessCallback FINAL : public VoidCallback {
+public:
+    static PassOwnPtr<TransactionSuccessCallback> create()
+    {
+        return adoptPtr(new TransactionSuccessCallback());
+    }
+
+    virtual ~TransactionSuccessCallback() { }
+
+    virtual void handleEvent() OVERRIDE { }
+
+private:
+    TransactionSuccessCallback() { }
+};
+
+} // namespace
+
+void InspectorDatabaseAgent::didOpenDatabase(PassRefPtrWillBeRawPtr<Database> database, const String& domain, const String& name, const String& version)
+{
+    if (InspectorDatabaseResource* resource = findByFileName(database->fileName())) {
+        resource->setDatabase(database);
+        return;
+    }
+
+    RefPtrWillBeRawPtr<InspectorDatabaseResource> resource = InspectorDatabaseResource::create(database, domain, name, version);
+    m_resources.set(resource->id(), resource);
+    // Resources are only bound while visible.
+    if (m_frontend && m_enabled)
+        resource->bind(m_frontend);
+}
+
+void InspectorDatabaseAgent::didCommitLoadForMainFrame()
+{
+    m_resources.clear();
+}
+
+InspectorDatabaseAgent::InspectorDatabaseAgent()
+    : InspectorBaseAgent<InspectorDatabaseAgent>("Database")
+    , m_frontend(0)
+    , m_enabled(false)
+{
+}
+
+InspectorDatabaseAgent::~InspectorDatabaseAgent()
+{
+}
+
+void InspectorDatabaseAgent::setFrontend(InspectorFrontend* frontend)
+{
+    m_frontend = frontend->database();
+}
+
+void InspectorDatabaseAgent::clearFrontend()
+{
+    m_frontend = 0;
+    disable(0);
+}
+
+void InspectorDatabaseAgent::enable(ErrorString*)
+{
+    if (m_enabled)
+        return;
+    m_enabled = true;
+    m_state->setBoolean(DatabaseAgentState::databaseAgentEnabled, m_enabled);
+
+    DatabaseResourcesHeapMap::iterator databasesEnd = m_resources.end();
+    for (DatabaseResourcesHeapMap::iterator it = m_resources.begin(); it != databasesEnd; ++it)
+        it->value->bind(m_frontend);
+}
+
+void InspectorDatabaseAgent::disable(ErrorString*)
+{
+    if (!m_enabled)
+        return;
+    m_enabled = false;
+    m_state->setBoolean(DatabaseAgentState::databaseAgentEnabled, m_enabled);
+}
+
+void InspectorDatabaseAgent::restore()
+{
+    m_enabled = m_state->getBoolean(DatabaseAgentState::databaseAgentEnabled);
+}
+
+void InspectorDatabaseAgent::getDatabaseTableNames(ErrorString* error, const String& databaseId, RefPtr<TypeBuilder::Array<String> >& names)
+{
+    if (!m_enabled) {
+        *error = "Database agent is not enabled";
+        return;
+    }
+
+    names = TypeBuilder::Array<String>::create();
+
+    Database* database = databaseForId(databaseId);
+    if (database) {
+        Vector<String> tableNames = database->tableNames();
+        unsigned length = tableNames.size();
+        for (unsigned i = 0; i < length; ++i)
+            names->addItem(tableNames[i]);
+    }
+}
+
+void InspectorDatabaseAgent::executeSQL(ErrorString*, const String& databaseId, const String& query, PassRefPtr<ExecuteSQLCallback> prpRequestCallback)
+{
+    RefPtr<ExecuteSQLCallback> requestCallback = prpRequestCallback;
+
+    if (!m_enabled) {
+        requestCallback->sendFailure("Database agent is not enabled");
+        return;
+    }
+
+    Database* database = databaseForId(databaseId);
+    if (!database) {
+        requestCallback->sendFailure("Database not found");
+        return;
+    }
+
+    OwnPtr<SQLTransactionCallback> callback(TransactionCallback::create(query, requestCallback.get()));
+    OwnPtr<SQLTransactionErrorCallback> errorCallback(TransactionErrorCallback::create(requestCallback.get()));
+    OwnPtr<VoidCallback> successCallback(TransactionSuccessCallback::create());
+    database->transaction(callback.release(), errorCallback.release(), successCallback.release());
+}
+
+InspectorDatabaseResource* InspectorDatabaseAgent::findByFileName(const String& fileName)
+{
+    for (DatabaseResourcesHeapMap::iterator it = m_resources.begin(); it != m_resources.end(); ++it) {
+        if (it->value->database()->fileName() == fileName)
+            return it->value.get();
+    }
+    return 0;
+}
+
+Database* InspectorDatabaseAgent::databaseForId(const String& databaseId)
+{
+    DatabaseResourcesHeapMap::iterator it = m_resources.find(databaseId);
+    if (it == m_resources.end())
+        return 0;
+    return it->value->database();
+}
+
+} // namespace WebCore