/*
 * Copyright (C) 2006, 2007 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. 
 * 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.
 */

#ifndef WebInspectorClient_h
#define WebInspectorClient_h

#include <WebCore/COMPtr.h>
#include <WebCore/InspectorClient.h>
#include <WebCore/InspectorFrontendClientLocal.h>
#include <WebCore/PlatformString.h>
#include <WebCore/WindowMessageListener.h>
#include <wtf/Forward.h>
#include <wtf/HashMap.h>
#include <wtf/OwnPtr.h>
#include <wtf/text/StringHash.h>
#include <windows.h>

namespace WebCore {

class Page;

}

class WebNodeHighlight;
class WebView;

class WebInspectorClient : public WebCore::InspectorClient {
public:
    WebInspectorClient(WebView*);

    // InspectorClient
    virtual void inspectorDestroyed();

    virtual void openInspectorFrontend(WebCore::InspectorController*);

    virtual void highlight(WebCore::Node*);
    virtual void hideHighlight();

    virtual bool sendMessageToFrontend(const WTF::String&);

    bool inspectorStartsAttached();
    void setInspectorStartsAttached(bool);

    void releaseFrontendPage();

    void updateHighlight();
    void frontendClosing()
    {
        m_frontendHwnd = 0;
        releaseFrontendPage();
    }

    void saveSessionSetting(const WTF::String& key, const WTF::String& value);
    void loadSessionSetting(const WTF::String& key, WTF::String* value);

private:
    ~WebInspectorClient();
    WTF::PassOwnPtr<WebCore::InspectorFrontendClientLocal::Settings> createFrontendSettings();

    WebView* m_inspectedWebView;
    WebCore::Page* m_frontendPage;
    HWND m_inspectedWebViewHwnd;
    HWND m_frontendHwnd;

    OwnPtr<WebNodeHighlight> m_highlight;

    WTF::HashMap<WTF::String, WTF::String> m_sessionSettings;
};

class WebInspectorFrontendClient : public WebCore::InspectorFrontendClientLocal, WebCore::WindowMessageListener {
public:
    WebInspectorFrontendClient(WebView* inspectedWebView, HWND inspectedWebViewHwnd, HWND frontendHwnd, const COMPtr<WebView>& frotnendWebView, HWND frontendWebViewHwnd, WebInspectorClient*, WTF::PassOwnPtr<Settings>);

    virtual void frontendLoaded();
    
    virtual WTF::String localizedStringsURL();
    virtual WTF::String hiddenPanels();
    
    virtual void bringToFront();
    virtual void closeWindow();
    virtual void disconnectFromBackend();
    
    virtual void attachWindow();
    virtual void detachWindow();
    
    virtual void setAttachedWindowHeight(unsigned height);
    virtual void inspectedURLChanged(const WTF::String& newURL);

    virtual void saveSessionSetting(const WTF::String& key, const WTF::String& value);
    virtual void loadSessionSetting(const WTF::String& key, WTF::String* value);

private:
    ~WebInspectorFrontendClient();

    void closeWindowWithoutNotifications();
    void showWindowWithoutNotifications();

    void destroyInspectorView(bool notifyInspectorController);

    void updateWindowTitle();

    LRESULT onGetMinMaxInfo(WPARAM, LPARAM);
    LRESULT onSize(WPARAM, LPARAM);
    LRESULT onClose(WPARAM, LPARAM);
    LRESULT onSetFocus();

    virtual void windowReceivedMessage(HWND, UINT message, WPARAM, LPARAM);

    void onWebViewWindowPosChanging(WPARAM, LPARAM);

    WebView* m_inspectedWebView;
    HWND m_inspectedWebViewHwnd;
    HWND m_frontendHwnd;
    WebInspectorClient* m_inspectorClient;
    COMPtr<WebView> m_frontendWebView;
    HWND m_frontendWebViewHwnd;

    bool m_attached;

    WTF::String m_inspectedURL;
    bool m_destroyingInspectorView;

    static friend LRESULT CALLBACK WebInspectorWndProc(HWND, UINT, WPARAM, LPARAM);
};

#endif // !defined(WebInspectorClient_h)