Merge webkit.org at r51976 : Initial merge by git.

Change-Id: Ib0e7e2f0fb4bee5a186610272edf3186f0986b43

5 files changed, 354 insertions, 0 deletions

diff --git a/WebCore/storage/chromium/DatabaseObserver.h b/WebCore/storage/chromium/DatabaseObserver.h
new file mode 100644
index 0000000..535c0d2
--- /dev/null
+++ b/WebCore/storage/chromium/DatabaseObserver.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 DatabaseObserver_h
+#define DatabaseObserver_h
+
+namespace WebCore {
+
+class Database;
+
+// The implementation of this class is in the WebKit API (Chromium source tree)
+// in webkit/api/src/DatabaseObserver.cpp.
+class DatabaseObserver {
+public:
+    static void databaseOpened(Database*);
+    static void databaseModified(Database*);
+    static void databaseClosed(Database*);
+};
+
+}
+
+#endif // DatabaseObserver_h
diff --git a/WebCore/storage/chromium/DatabaseTrackerChromium.cpp b/WebCore/storage/chromium/DatabaseTrackerChromium.cpp
new file mode 100644
index 0000000..e4b8178
--- /dev/null
+++ b/WebCore/storage/chromium/DatabaseTrackerChromium.cpp
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "DatabaseTracker.h"
+
+#include "CString.h"
+#include "Database.h"
+#include "DatabaseObserver.h"
+#include "DatabaseThread.h"
+#include "Document.h"
+#include "QuotaTracker.h"
+#include "SecurityOrigin.h"
+#include "SQLiteFileSystem.h"
+#include <wtf/HashSet.h>
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+DatabaseTracker& DatabaseTracker::tracker()
+{
+    DEFINE_STATIC_LOCAL(DatabaseTracker, tracker, ());
+    return tracker;
+}
+
+DatabaseTracker::DatabaseTracker()
+{
+    SQLiteFileSystem::registerSQLiteVFS();
+}
+
+bool DatabaseTracker::canEstablishDatabase(Document*, const String&, const String&, unsigned long)
+{
+    // In Chromium, a database can always be established (even though we might not
+    // be able to write anything to it if the quota for this origin was exceeded)
+    return true;
+}
+
+void DatabaseTracker::setDatabaseDetails(SecurityOrigin*, const String&, const String&, unsigned long)
+{
+    // Chromium sets the database details when the database is opened
+}
+
+String DatabaseTracker::fullPathForDatabase(SecurityOrigin* origin, const String& name, bool)
+{
+    return origin->databaseIdentifier() + "/" + name + "#";
+}
+
+void DatabaseTracker::addOpenDatabase(Database* database)
+{
+    ASSERT(isMainThread());
+    DatabaseObserver::databaseOpened(database);
+}
+
+void DatabaseTracker::removeOpenDatabase(Database* database)
+{
+    // FIXME: once we know how to use this information, figure out
+    //        how to get this method called on the main thread
+    //ASSERT(isMainThread());
+    //DatabaseObserver::databaseClosed(database);
+}
+
+unsigned long long DatabaseTracker::getMaxSizeForDatabase(const Database* database)
+{
+    ASSERT(currentThread() == database->document()->databaseThread()->getThreadID());
+    unsigned long long spaceAvailable = 0;
+    unsigned long long databaseSize = 0;
+    QuotaTracker::instance().getDatabaseSizeAndSpaceAvailableToOrigin(
+        database->securityOrigin()->databaseIdentifier(),
+        database->stringIdentifier(), &databaseSize, &spaceAvailable);
+    return databaseSize + spaceAvailable;
+}
+
+}
diff --git a/WebCore/storage/chromium/QuotaTracker.cpp b/WebCore/storage/chromium/QuotaTracker.cpp
new file mode 100644
index 0000000..b49639d
--- /dev/null
+++ b/WebCore/storage/chromium/QuotaTracker.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "QuotaTracker.h"
+
+#include "CString.h"
+#include <wtf/StdLibExtras.h>
+
+namespace WebCore {
+
+QuotaTracker& QuotaTracker::instance()
+{
+    DEFINE_STATIC_LOCAL(QuotaTracker, tracker, ());
+    return tracker;
+}
+
+void QuotaTracker::getDatabaseSizeAndSpaceAvailableToOrigin(
+    const String& originIdentifier, const String& databaseName,
+    unsigned long long* databaseSize, unsigned long long* spaceAvailable)
+{
+    MutexLocker lockData(m_dataGuard);
+    ASSERT(m_databaseSizes.contains(originIdentifier));
+    HashMap<String, SizeMap>::const_iterator it = m_databaseSizes.find(originIdentifier);
+    ASSERT(it->second.contains(databaseName));
+    *databaseSize = it->second.get(databaseName);
+
+    ASSERT(m_spaceAvailableToOrigins.contains(originIdentifier));
+    *spaceAvailable = m_spaceAvailableToOrigins.get(originIdentifier);
+}
+
+void QuotaTracker::updateDatabaseSizeAndSpaceAvailableToOrigin(
+    const String& originIdentifier, const String& databaseName,
+    unsigned long long databaseSize, unsigned long long spaceAvailable)
+{
+    MutexLocker lockData(m_dataGuard);
+    m_spaceAvailableToOrigins.set(originIdentifier, spaceAvailable);
+    HashMap<String, SizeMap>::iterator it = m_databaseSizes.add(originIdentifier, SizeMap()).first;
+    it->second.set(databaseName, databaseSize);
+}
+
+}
diff --git a/WebCore/storage/chromium/QuotaTracker.h b/WebCore/storage/chromium/QuotaTracker.h
new file mode 100644
index 0000000..9146910
--- /dev/null
+++ b/WebCore/storage/chromium/QuotaTracker.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 QuotaTracker_h
+#define QuotaTracker_h
+
+#include "CString.h"
+#include "SecurityOrigin.h"
+#include "StringHash.h"
+#include <wtf/HashMap.h>
+
+namespace WebCore {
+
+class QuotaTracker {
+public:
+    static QuotaTracker& instance();
+
+    void getDatabaseSizeAndSpaceAvailableToOrigin(
+        const String& originIdentifier, const String& databaseName,
+        unsigned long long* databaseSize, unsigned long long* spaceAvailable);
+    void updateDatabaseSizeAndSpaceAvailableToOrigin(
+        const String& originIdentifier, const String& databaseName,
+        unsigned long long databaseSize, unsigned long long spaceAvailable);
+
+private:
+    QuotaTracker() { }
+
+    typedef HashMap<String, unsigned long long> SizeMap;
+    SizeMap m_spaceAvailableToOrigins;
+    HashMap<String, SizeMap> m_databaseSizes;
+    Mutex m_dataGuard;
+};
+
+}
+
+#endif // QuotaTracker_h
diff --git a/WebCore/storage/chromium/SQLTransactionClientChromium.cpp b/WebCore/storage/chromium/SQLTransactionClientChromium.cpp
new file mode 100644
index 0000000..46d73ba
--- /dev/null
+++ b/WebCore/storage/chromium/SQLTransactionClientChromium.cpp
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2009 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "SQLTransactionClient.h"
+
+#include "Database.h"
+#include "DatabaseObserver.h"
+#include "DatabaseThread.h"
+#include "Document.h"
+#include "SQLTransaction.h"
+#include <wtf/MainThread.h>
+
+static void notifyDatabaseChanged(void* context) {
+    WebCore::Database* database = static_cast<WebCore::Database*>(context);
+    WebCore::DatabaseObserver::databaseModified(database);
+    database->deref();  // ref()'d in didCommitTransaction()
+}
+
+namespace WebCore {
+
+void SQLTransactionClient::didCommitTransaction(SQLTransaction* transaction)
+{
+    ASSERT(currentThread() == transaction->database()->document()->databaseThread()->getThreadID());
+    if (!transaction->isReadOnly()) {
+        transaction->database()->ref();  // deref()'d in notifyDatabaseChanged()
+        callOnMainThread(notifyDatabaseChanged, transaction->database());
+    }
+}
+
+void SQLTransactionClient::didExecuteStatement(SQLTransaction* transaction)
+{
+    // This method is called after executing every statement that changes the DB.
+    // Chromium doesn't need to do anything at that point.
+    ASSERT(currentThread() == transaction->database()->document()->databaseThread()->getThreadID());
+}
+
+bool SQLTransactionClient::didExceedQuota(SQLTransaction*)
+{
+    // Chromium does not allow users to manually change the quota for an origin (for now, at least).
+    // Don't do anything.
+    ASSERT(isMainThread());
+    return false;
+}
+
+}