/*

 * 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.

 */

#ifndef WebPage_h

#define WebPage_h

#include "DrawingArea.h"

#include "InjectedBundlePageLoaderClient.h"

#include "InjectedBundlePageUIClient.h"

#include <WebCore/FrameLoaderTypes.h>

#include <WebCore/IntRect.h>

#include <wtf/HashMap.h>

#include <wtf/OwnPtr.h>

#include <wtf/PassRefPtr.h>

#include <wtf/RefCounted.h>

#include <wtf/RefPtr.h>

namespace CoreIPC {

    class ArgumentDecoder;

    class Connection;

    class MessageID;

}

namespace WebCore {

    class GraphicsContext;

    class KeyboardEvent;

    class Page;

    class PlatformKeyboardEvent;

    class PlatformMouseEvent;

    class PlatformWheelEvent;

    class String;

}

namespace WebKit {

class DrawingArea;

class WebFrame;

struct WebPreferencesStore;

class WebPage : public RefCounted<WebPage> {

public:

    static PassRefPtr<WebPage> create(uint64_t pageID, const WebCore::IntSize& viewSize, const WebPreferencesStore&, DrawingArea::Type);

    ~WebPage();

    void close();

    WebCore::Page* corePage() const { return m_page; }

    uint64_t pageID() const { return m_pageID; }

    WebFrame* webFrame(uint64_t) const;

    void addWebFrame(uint64_t, WebFrame*);

    void removeWebFrame(uint64_t);

    void setSize(const WebCore::IntSize&);

    const WebCore::IntSize& size() const { return m_viewSize; }

    DrawingArea* drawingArea() const { return m_drawingArea.get(); }

    // -- Called by the DrawingArea.

    // FIXME: We could genericize these into a DrawingArea client interface. Would that be beneficial?

    void drawRect(WebCore::GraphicsContext&, const WebCore::IntRect&);

    void layoutIfNeeded();

    // -- Called from WebCore clients.

    bool handleEditingKeyboardEvent(WebCore::KeyboardEvent*);

    void show();

    // -- Called from WebProcess.

    void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder&);

    // -- InjectedBundle methods

    void initializeInjectedBundleLoaderClient(WKBundlePageLoaderClient*);

    void initializeInjectedBundleUIClient(WKBundlePageUIClient*);

    InjectedBundlePageLoaderClient& injectedBundleLoaderClient() { return m_loaderClient; }

    InjectedBundlePageUIClient& injectedBundleUIClient() { return m_uiClient; }

    WebFrame* mainFrame() const { return m_mainFrame.get(); }

    WebCore::String renderTreeExternalRepresentation() const;

#if USE(ACCELERATED_COMPOSITING)

    void changeAcceleratedCompositingMode(WebCore::GraphicsLayer*);

    void enterAcceleratedCompositingMode(WebCore::GraphicsLayer*);

    void exitAcceleratedCompositingMode();

#endif

private:

    WebPage(uint64_t pageID, const WebCore::IntSize& viewSize, const WebPreferencesStore&, DrawingArea::Type);

    void platformInitialize();

    static const char* interpretKeyEvent(const WebCore::KeyboardEvent*);

    // Actions

    void tryClose();

    void loadURL(const WebCore::String&);

    void stopLoading();

    void reload(bool reloadFromOrigin);

    void goForward(uint64_t);

    void goBack(uint64_t);

    void goToBackForwardItem(uint64_t);

    void setActive(bool);

    void setFocused(bool);

    void setIsInWindow(bool);

    void mouseEvent(const WebCore::PlatformMouseEvent&);

    void wheelEvent(WebCore::PlatformWheelEvent&);

    void keyEvent(const WebCore::PlatformKeyboardEvent&);

    void runJavaScriptInMainFrame(const WebCore::String&, uint64_t callbackID);

    void getRenderTreeExternalRepresentation(uint64_t callbackID);

    void preferencesDidChange(const WebPreferencesStore&);

    void didReceivePolicyDecision(WebFrame*, uint64_t listenerID, WebCore::PolicyAction policyAction);

    WebCore::Page* m_page;

    RefPtr<WebFrame> m_mainFrame;

    HashMap<uint64_t, WebFrame*> m_frameMap;

    WebCore::IntSize m_viewSize;

    OwnPtr<DrawingArea> m_drawingArea;

    InjectedBundlePageLoaderClient m_loaderClient;

    InjectedBundlePageUIClient m_uiClient;

    uint64_t m_pageID;

};

} // namespace WebKit

#endif // WebPage_h