--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit2/WebProcess/WebPage/WebFrame.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,256 @@
+/*
+ * 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 "WebFrame.h"
+
+#include "WebPage.h"
+#include <WebCore/AnimationController.h>
+#include <WebCore/Frame.h>
+#include <WebCore/HTMLFrameOwnerElement.h>
+#include <WebCore/PlatformString.h>
+
+#ifndef NDEBUG
+#include <wtf/RefCountedLeakCounter.h>
+#endif
+
+using namespace WebCore;
+
+namespace WebKit {
+
+#ifndef NDEBUG
+static WTF::RefCountedLeakCounter webFrameCounter("WebFrame");
+#endif
+
+static uint64_t generateFrameID()
+{
+    static uint64_t uniqueFrameID = 1;
+    return uniqueFrameID++;
+}
+
+static uint64_t generateListenerID()
+{
+    static uint64_t uniqueListenerID = 1;
+    return uniqueListenerID++;
+}
+
+PassRefPtr<WebFrame> WebFrame::createMainFrame(WebPage* page)
+{
+    return create(page, String(), 0);
+}
+
+PassRefPtr<WebFrame> WebFrame::createSubframe(WebPage* page, const String& frameName, HTMLFrameOwnerElement* ownerElement)
+{
+    return create(page, frameName, ownerElement);
+}
+
+PassRefPtr<WebFrame> WebFrame::create(WebPage* page, const String& frameName, HTMLFrameOwnerElement* ownerElement)
+{
+    RefPtr<WebFrame> frame = adoptRef(new WebFrame(page, frameName, ownerElement));
+    
+    // Add explict ref() that will be balanced in WebFrameLoaderClient::frameLoaderDestroyed().
+    frame->ref();
+    
+    return frame.release();
+}
+
+WebFrame::WebFrame(WebPage* page, const String& frameName, HTMLFrameOwnerElement* ownerElement)
+    : m_page(page)
+    , m_coreFrame(0)
+    , m_policyListenerID(0)
+    , m_policyFunction(0)
+    , m_frameLoaderClient(this)
+    , m_loadListener(0)
+    , m_frameID(generateFrameID())
+{
+    m_page->addWebFrame(m_frameID, this);
+
+    RefPtr<Frame> frame = Frame::create(page->corePage(), ownerElement, &m_frameLoaderClient);
+    m_coreFrame = frame.get();
+
+    frame->tree()->setName(frameName);
+
+    if (ownerElement) {
+        ASSERT(ownerElement->document()->frame());
+        ownerElement->document()->frame()->tree()->appendChild(frame);
+    }
+
+    frame->init();
+
+#ifndef NDEBUG
+    webFrameCounter.increment();
+#endif
+}
+
+WebFrame::~WebFrame()
+{
+    ASSERT(!m_coreFrame);
+
+#ifndef NDEBUG
+    webFrameCounter.decrement();
+#endif
+}
+
+void WebFrame::invalidate()
+{
+    m_page->removeWebFrame(m_frameID);
+    m_coreFrame = 0;
+}
+
+uint64_t WebFrame::setUpPolicyListener(WebCore::FramePolicyFunction policyFunction)
+{
+    // FIXME: <rdar://5634381> We need to support multiple active policy listeners.
+
+    invalidatePolicyListener();
+
+    m_policyListenerID = generateListenerID();
+    m_policyFunction = policyFunction;
+    return m_policyListenerID;
+}
+
+void WebFrame::invalidatePolicyListener()
+{
+    if (!m_policyListenerID)
+        return;
+
+    m_policyListenerID = 0;
+    m_policyFunction = 0;
+}
+
+void WebFrame::didReceivePolicyDecision(uint64_t listenerID, PolicyAction action)
+{
+    if (!m_coreFrame)
+        return;
+
+    if (!m_policyListenerID)
+        return;
+
+    if (listenerID != m_policyListenerID)
+        return;
+
+    ASSERT(m_policyFunction);
+
+    FramePolicyFunction function = m_policyFunction;
+
+    invalidatePolicyListener();
+
+    (m_coreFrame->loader()->policyChecker()->*function)(action);
+}
+
+bool WebFrame::isMainFrame() const
+{
+    return m_page->mainFrame() == this;
+}
+
+String WebFrame::name() const
+{
+    if (!m_coreFrame)
+        return String();
+
+    return m_coreFrame->tree()->name();
+}
+
+String WebFrame::url() const
+{
+    if (!m_coreFrame)
+        return String();
+
+    return m_coreFrame->loader()->url().string();
+}
+
+String WebFrame::innerText() const
+{
+    if (!m_coreFrame)
+        return String();
+
+    return m_coreFrame->document()->documentElement()->innerText();
+}
+
+static void childFrameRef(const void* frame)
+{
+    static_cast<WebFrame*>(const_cast<void*>(frame))->ref();
+}
+
+static void childFrameDeref(const void* frame)
+{
+    static_cast<WebFrame*>(const_cast<void*>(frame))->deref();
+}
+
+PassRefPtr<ImmutableArray> WebFrame::childFrames()
+{
+    if (!m_coreFrame)
+        return ImmutableArray::create();
+
+    size_t size = m_coreFrame->tree()->childCount();
+    if (!size)
+        return ImmutableArray::create();
+
+    void** array = new void*[size];
+    unsigned i = 0;
+    for (Frame* child = m_coreFrame->tree()->firstChild(); child; child = child->tree()->nextSibling(), ++i) {
+        WebFrame* webFrame = static_cast<WebFrameLoaderClient*>(child->loader()->client())->webFrame();
+        webFrame->ref();
+        array[i] = webFrame;
+    }
+
+    ImmutableArray::ImmutableArrayCallbacks callbacks = {
+        childFrameRef,
+        childFrameDeref
+    };
+    return ImmutableArray::adopt(array, size, &callbacks);
+}
+
+unsigned WebFrame::numberOfActiveAnimations()
+{
+    if (!m_coreFrame)
+        return 0;
+
+    AnimationController* controller = m_coreFrame->animation();
+    if (!controller)
+        return 0;
+
+    return controller->numberOfActiveAnimations();
+}
+
+bool WebFrame::pauseAnimationOnElementWithId(const String& animationName, const String& elementID, double time)
+{
+    if (!m_coreFrame)
+        return false;
+
+    AnimationController* controller = m_coreFrame->animation();
+    if (!controller)
+        return false;
+
+    if (!m_coreFrame->document())
+        return false;
+
+    Node* coreNode = m_coreFrame->document()->getElementById(elementID);
+    if (!coreNode || !coreNode->renderer())
+        return false;
+
+    return controller->pauseAnimationAtTime(coreNode->renderer(), animationName, time);
+}
+
+
+} // namespace WebKit