/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef SDEXT_PRESENTER_PRESENTER_SCREEN_HXX
#define SDEXT_PRESENTER_PRESENTER_SCREEN_HXX

#include "PresenterConfigurationAccess.hxx"
#include "PresenterPaneContainer.hxx"
#include <cppuhelper/compbase1.hxx>
#include <cppuhelper/basemutex.hxx>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/frame/XController.hpp>
#include <com/sun/star/frame/XModel2.hpp>
#include <com/sun/star/task/XJob.hpp>
#include <com/sun/star/document/XEventListener.hpp>
#include <com/sun/star/drawing/framework/XConfigurationController.hpp>
#include <com/sun/star/drawing/framework/XView.hpp>
#include <com/sun/star/presentation/XSlideShowController.hpp>
#include <com/sun/star/presentation/XPresentation2.hpp>
#include <rtl/ref.hxx>
#include <boost/noncopyable.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/scoped_ptr.hpp>

namespace css = ::com::sun::star;

namespace sdext { namespace presenter {

class PresenterWindowManager;
class PresenterController;

namespace {
    typedef ::cppu::WeakComponentImplHelper1 <
		css::task::XJob
        > PresenterScreenJobInterfaceBase;
    typedef ::cppu::WeakComponentImplHelper1 <
		css::lang::XEventListener
        > PresenterScreenInterfaceBase;
}


/** The PresenterScreenJob service is instantiated every time a document is
    created or loaded.  In its execute() method it then filters out all
    non-Impress documents and creates and registers a new PresenterScreen
    object.
*/
class PresenterScreenJob
    : private ::boost::noncopyable,
      private ::cppu::BaseMutex,
      public PresenterScreenJobInterfaceBase
{
public:
    static ::rtl::OUString getImplementationName_static (void);
    static css::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_static (void);
    static css::uno::Reference<css::uno::XInterface> Create(
        const css::uno::Reference<css::uno::XComponentContext>& rxContext)
        SAL_THROW((css::uno::Exception));

    virtual void SAL_CALL disposing (void);

	// XJob
    
    virtual css::uno::Any SAL_CALL execute(
        const css::uno::Sequence<css::beans::NamedValue >& Arguments)
        throw (css::lang::IllegalArgumentException,
            css::uno::Exception,
            css::uno::RuntimeException);
    
private:
    PresenterScreenJob (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
    virtual ~PresenterScreenJob (void);

    css::uno::Reference<css::uno::XComponentContext> mxComponentContext;
};


/** This is the bootstrap class of the presenter screen.  It is registered
    as drawing framework startup service.  That means that every drawing
    framework instance creates an instance of this class.

    <p>A PresenterScreen object registers itself as listener for drawing
    framework configuration changes.  It waits for the full screen marker (a
    top level resource) to appear in the current configuration.  When that
    happens the actual presenter screen is initialized.  A new
    PresenterController is created and takes over the task of controlling
    the presenter screen.</p>
*/
class PresenterScreen
    : private ::boost::noncopyable,
      private ::cppu::BaseMutex,
      public PresenterScreenInterfaceBase
{
public:
    PresenterScreen (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::frame::XModel2>& rxModel);
    virtual ~PresenterScreen (void);

    virtual void SAL_CALL disposing (void);

    /** Make the presenter screen visible.
    */
    void InitializePresenterScreen (void);

    /** Do not call ShutdownPresenterScreen() directly.  Call
        RequestShutdownPresenterScreen() instead.  It will issue an
        asynchronous call to ShutdownPresenterScreen() when that is safe.
    */
    void RequestShutdownPresenterScreen (void);


    // XEventListener
    
    virtual void SAL_CALL disposing ( const css::lang::EventObject& rEvent) throw (css::uno::RuntimeException);
    
private:
	css::uno::Reference<css::frame::XModel2 > mxModel;
	css::uno::Reference<css::frame::XController> mxController;
    css::uno::WeakReference<css::drawing::framework::XConfigurationController>
        mxConfigurationControllerWeak;
    css::uno::WeakReference<css::uno::XComponentContext> mxContextWeak;
    css::uno::WeakReference<css::presentation::XSlideShowController> mxSlideShowControllerWeak;
    ::rtl::Reference<PresenterController> mpPresenterController;
    css::uno::Reference<css::drawing::framework::XResourceId> mxSlideShowViewId;
    css::uno::Reference<css::drawing::framework::XConfiguration> mxSavedConfiguration;
    ::rtl::Reference<PresenterPaneContainer> mpPaneContainer;
    sal_Int32 mnComponentIndex;
    css::uno::Reference<css::drawing::framework::XResourceFactory> mxPaneFactory;
    css::uno::Reference<css::drawing::framework::XResourceFactory> mxViewFactory;

    class ViewDescriptor
    {
    public:
        ::rtl::OUString msTitle;
        ::rtl::OUString msAccessibleTitle;
        bool mbIsOpaque;
    };
    typedef ::std::map<rtl::OUString,ViewDescriptor> ViewDescriptorContainer;
    ViewDescriptorContainer maViewDescriptors;


    void ShutdownPresenterScreen (void);

    /** Create and initialize the factory for presenter view specific panes.
    */
    void SetupPaneFactory (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext);

    /** Create and initialize the factory for presenter view specific views.
    */
    void SetupViewFactory (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext);

    /** Read the current layout from the configuration and call
        ProcessLayout to bring it on to the screen.
    */
    void SetupConfiguration (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::drawing::framework::XResourceId>& rxAnchorId);

    /** Read one layout from the configuration and make resource activation
        requests to bring it on to the screen.  When one layout references a
        parent layout then this method calls itself recursively.
    */
    void ProcessLayout (
        PresenterConfigurationAccess& rConfiguration,
        const ::rtl::OUString& rsLayoutName,
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::drawing::framework::XResourceId>& rxAnchorId);

    /** Called by ProcessLayout for a single entry of a Layouts
        configuration list.
    */
    void ProcessComponent (
        const ::rtl::OUString& rsKey,
        const ::std::vector<css::uno::Any>& rValues,
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::drawing::framework::XResourceId>& rxAnchorId);

    /** Read the view descriptions from the configuration.
    */
    void ProcessViewDescriptions (
        PresenterConfigurationAccess& rConfiguration);
        
    /** Called by ProcessViewDescriptions for a single entry.
    */
    void ProcessViewDescription (
        const ::rtl::OUString& rsKey,
        const ::std::vector<css::uno::Any>& rValues);

    void SetupView (
        const css::uno::Reference<css::uno::XComponentContext>& rxContext,
        const css::uno::Reference<css::drawing::framework::XResourceId>& rxAnchorId,
        const ::rtl::OUString& rsPaneURL,
        const ::rtl::OUString& rsViewURL,
        const PresenterPaneContainer::ViewInitializationFunction& rViewInitialization,
        const double nLeft,
        const double nTop,
        const double nRight,
        const double nBottom);

    /** Return the screen number on which to display the presenter screen.
        @return
            Returns -1 when the presenter screen can or shall not be
            displayed.
    */
    sal_Int32 GetScreenNumber (
        const css::uno::Reference<css::presentation::XPresentation2>& rxPresentation) const;

    /** Create a resource id for the full screen background pane so that it
        is displayed on another screen than the full screen presentation.
    */
    css::uno::Reference<css::drawing::framework::XResourceId> GetMainPaneId (
        const css::uno::Reference<css::presentation::XPresentation2>& rxPresentation) const;
};

} }

#endif