Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 107 insertions, 0 deletions

diff --git a/Source/WebCore/history/BackForwardController.cpp b/Source/WebCore/history/BackForwardController.cpp
new file mode 100644
index 0000000..d388f19
--- /dev/null
+++ b/Source/WebCore/history/BackForwardController.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2010 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "BackForwardController.h"
+
+#include "BackForwardListImpl.h"
+#include "HistoryItem.h"
+#include "Page.h"
+
+namespace WebCore {
+
+BackForwardController::BackForwardController(Page* page, PassRefPtr<BackForwardList> client)
+    : m_page(page)
+    , m_client(client)
+{
+    if (!m_client)
+        m_client = BackForwardListImpl::create(page);
+}
+
+BackForwardController::~BackForwardController()
+{
+}
+
+bool BackForwardController::canGoBackOrForward(int distance) const
+{
+    return m_page->canGoBackOrForward(distance);
+}
+
+void BackForwardController::goBackOrForward(int distance)
+{
+    m_page->goBackOrForward(distance);
+}
+
+bool BackForwardController::goBack()
+{
+    return m_page->goBack();
+}
+
+bool BackForwardController::goForward()
+{
+    return m_page->goForward();
+}
+
+void BackForwardController::addItem(PassRefPtr<HistoryItem> item)
+{
+    m_client->addItem(item);
+}
+
+void BackForwardController::setCurrentItem(HistoryItem* item)
+{
+    m_client->goToItem(item);
+}
+
+int BackForwardController::count() const
+{
+    return m_page->getHistoryLength();
+}
+
+int BackForwardController::backCount() const
+{
+    return m_client->backListCount();
+}
+
+int BackForwardController::forwardCount() const
+{
+    return m_client->forwardListCount();
+}
+
+HistoryItem* BackForwardController::itemAtIndex(int i)
+{
+    return m_client->itemAtIndex(i);
+}
+
+bool BackForwardController::isActive()
+{
+    return m_client->isActive();
+}
+
+void BackForwardController::close()
+{
+    m_client->close();
+}
+
+} // namespace WebCore