/**
 * @file llpanelmediasettingsgeneral.cpp
 * @brief LLPanelMediaSettingsGeneral class implementation
 *
 * $LicenseInfo:firstyear=2009&license=viewergpl$
 * 
 * Copyright (c) 2009, Linden Research, Inc.
 * 
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 * 
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 * 
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 * 
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llpanelmediasettingsgeneral.h"
#include "llcombobox.h"
#include "llcheckboxctrl.h"
#include "llspinctrl.h"
#include "lluictrlfactory.h"
#include "llviewerwindow.h"
#include "llviewermedia.h"
#include "llsdutil.h"
#include "llselectmgr.h"
#include "llbutton.h"
#include "lltexturectrl.h"
#include "llurl.h"
#include "llwindow.h"
#include "llmediaentry.h"
#include "llmediactrl.h"
#include "llpanelcontents.h"
#include "llpluginclassmedia.h"
#include "llfloatermediasettings.h"
#include "llfloatertools.h"
#include "lltrans.h"

////////////////////////////////////////////////////////////////////////////////
//
LLPanelMediaSettingsGeneral::LLPanelMediaSettingsGeneral() :
	mControls( NULL ),
	mAutoLoop( NULL ),
	mFirstClick( NULL ),
	mAutoZoom( NULL ),
	mAutoPlay( NULL ),
	mAutoScale( NULL ),
	mWidthPixels( NULL ),
	mHeightPixels( NULL ),
	mHomeURL( NULL ),
	mCurrentURL( NULL ),
	mAltImageEnable( NULL ),
	mParent( NULL ),
	mMediaEditable(false)
{
	// build dialog from XML
	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_media_settings_general.xml");
//	mCommitCallbackRegistrar.add("Media.ResetCurrentUrl",		boost::bind(&LLPanelMediaSettingsGeneral::onBtnResetCurrentUrl, this));
//	mCommitCallbackRegistrar.add("Media.CommitHomeURL",			boost::bind(&LLPanelMediaSettingsGeneral::onCommitHomeURL, this));	

}

////////////////////////////////////////////////////////////////////////////////
//
BOOL LLPanelMediaSettingsGeneral::postBuild()
{
	// connect member vars with UI widgets
    mAltImageEnable = getChild< LLCheckBoxCtrl >( LLMediaEntry::ALT_IMAGE_ENABLE_KEY );
	mAutoLoop = getChild< LLCheckBoxCtrl >( LLMediaEntry::AUTO_LOOP_KEY );
	mAutoPlay = getChild< LLCheckBoxCtrl >( LLMediaEntry::AUTO_PLAY_KEY );
	mAutoScale = getChild< LLCheckBoxCtrl >( LLMediaEntry::AUTO_SCALE_KEY );
	mAutoZoom = getChild< LLCheckBoxCtrl >( LLMediaEntry::AUTO_ZOOM_KEY );
	mControls = getChild< LLComboBox >( LLMediaEntry::CONTROLS_KEY );
	mCurrentURL = getChild< LLLineEditor >( LLMediaEntry::CURRENT_URL_KEY );
	mFirstClick = getChild< LLCheckBoxCtrl >( LLMediaEntry::FIRST_CLICK_INTERACT_KEY );
	mHeightPixels = getChild< LLSpinCtrl >( LLMediaEntry::HEIGHT_PIXELS_KEY );
	mHomeURL = getChild< LLLineEditor >( LLMediaEntry::HOME_URL_KEY );
	mWidthPixels = getChild< LLSpinCtrl >( LLMediaEntry::WIDTH_PIXELS_KEY );
	mPreviewMedia = getChild<LLMediaCtrl>("preview_media");

	// watch commit action for HOME URL
	childSetCommitCallback( LLMediaEntry::HOME_URL_KEY, onCommitHomeURL, this);
	childSetCommitCallback( "current_url_reset_btn",onBtnResetCurrentUrl, this);
	// interrogates controls and updates widgets as required
	updateMediaPreview();
	updateCurrentURL();

	return true;
}

////////////////////////////////////////////////////////////////////////////////
// virtual
LLPanelMediaSettingsGeneral::~LLPanelMediaSettingsGeneral()
{
}

////////////////////////////////////////////////////////////////////////////////
// static
void LLPanelMediaSettingsGeneral::draw()
{
	// housekeeping
	LLPanel::draw();

	// enable/disable pixel values image entry based on auto scale checkbox 
	if ( mAutoScale->getValue().asBoolean() == false )
	{
		childSetEnabled( LLMediaEntry::WIDTH_PIXELS_KEY, true );
		childSetEnabled( LLMediaEntry::HEIGHT_PIXELS_KEY, true );
	}
	else
	{
		childSetEnabled( LLMediaEntry::WIDTH_PIXELS_KEY, false );
		childSetEnabled( LLMediaEntry::HEIGHT_PIXELS_KEY, false );
	};

	// enable/disable UI based on type of media
	bool reset_button_is_active = true;
	if( mPreviewMedia )
	{
		LLPluginClassMedia* media_plugin = mPreviewMedia->getMediaPlugin();
		if( media_plugin )
		{
			// some controls are only appropriate for time or browser type plugins
			// so we selectively enable/disable them - need to do it in draw
			// because the information from plugins arrives assynchronously
			bool show_time_controls = media_plugin->pluginSupportsMediaTime();
			if ( show_time_controls )
			{
				childSetEnabled( LLMediaEntry::CURRENT_URL_KEY, false );
				reset_button_is_active = false;
				childSetEnabled( "current_url_label", false );
				childSetEnabled( LLMediaEntry::AUTO_LOOP_KEY, true );
			}
			else
			{
				childSetEnabled( LLMediaEntry::CURRENT_URL_KEY, true );
				reset_button_is_active = true;
				childSetEnabled( "current_url_label", true );
				childSetEnabled( LLMediaEntry::AUTO_LOOP_KEY, false );
			};
		};
	};

	// current URL can change over time.
//	updateCurrentURL();

	// enable/disable RESRET button depending on permissions
	// since this is the same as a navigate action
	bool user_can_press_reset = mMediaEditable;

	// several places modify this widget so we must collect states in one place
	if ( reset_button_is_active )
	{
		// user has perms to press reset button and it is active
		if ( user_can_press_reset )
		{
			childSetEnabled( "current_url_reset_btn", true );
		}
		// user does not has perms to press reset button and it is active
		else
		{
			childSetEnabled( "current_url_reset_btn", false );
		};
	}
	else
	// reset button is inactive so we just slam it to off - other states don't matter
	{
		childSetEnabled( "current_url_reset_btn", false );
	};
}

////////////////////////////////////////////////////////////////////////////////
// static 
void LLPanelMediaSettingsGeneral::clearValues( void* userdata, bool editable)
{	
	LLPanelMediaSettingsGeneral *self =(LLPanelMediaSettingsGeneral *)userdata;
	self->mAltImageEnable ->clear();
	self->mAutoLoop->clear();
	self->mAutoPlay->clear();
	self->mAutoScale->clear();
	self->mAutoZoom ->clear();
	self->mControls->clear();
	self->mCurrentURL->clear();
	self->mFirstClick->clear();
	self->mHeightPixels->clear();
	self->mHomeURL->clear();
	self->mWidthPixels->clear();
	self->mAltImageEnable ->setEnabled(editable);
	self->mAutoLoop ->setEnabled(editable);
	self->mAutoPlay ->setEnabled(editable);
	self->mAutoScale ->setEnabled(editable);
	self->mAutoZoom  ->setEnabled(editable);
	self->mControls ->setEnabled(editable);
	self->mCurrentURL ->setEnabled(editable);
	self->mFirstClick ->setEnabled(editable);
	self->mHeightPixels ->setEnabled(editable);
	self->mHomeURL ->setEnabled(editable);
	self->mWidthPixels ->setEnabled(editable);
	self->mPreviewMedia->unloadMediaSource(); 
}

////////////////////////////////////////////////////////////////////////////////
// static 
void LLPanelMediaSettingsGeneral::initValues( void* userdata, const LLSD& media_settings ,bool editable)
{
	LLPanelMediaSettingsGeneral *self =(LLPanelMediaSettingsGeneral *)userdata;
	self->mMediaEditable = editable;

	//llinfos << "---------------" << llendl;
	//llinfos << ll_pretty_print_sd(media_settings) << llendl;
	//llinfos << "---------------" << llendl;

	// IF all the faces have media (or all dont have media)
	if ( LLFloaterMediaSettings::getInstance()->mIdenticalHasMediaInfo )
	{
		if(LLFloaterMediaSettings::getInstance()->mMultipleMedia) 
		{
			self->clearValues(self, self->mMediaEditable);
			// only show multiple 
			self->mHomeURL ->setText(LLTrans::getString("Multiple Media"));
			return;
		}
		
	}
	else
	{
		if(LLFloaterMediaSettings::getInstance()->mMultipleValidMedia) 
		{
			self->clearValues(self, self->mMediaEditable);
			// only show multiple 
			self->mHomeURL ->setText(LLTrans::getString("Multiple Media"));
			return;
		}			
		
	}
	std::string base_key( "" );
	std::string tentative_key( "" );

	struct 
	{
		std::string key_name;
		LLUICtrl* ctrl_ptr;
		std::string ctrl_type;

	} data_set [] = 
	{ 
        { LLMediaEntry::AUTO_LOOP_KEY,				self->mAutoLoop,		"LLCheckBoxCtrl" },
		{ LLMediaEntry::AUTO_PLAY_KEY,				self->mAutoPlay,		"LLCheckBoxCtrl" },
		{ LLMediaEntry::AUTO_SCALE_KEY,				self->mAutoScale,		"LLCheckBoxCtrl" },
		{ LLMediaEntry::AUTO_ZOOM_KEY,				self->mAutoZoom,		"LLCheckBoxCtrl" },
		{ LLMediaEntry::CONTROLS_KEY,				self->mControls,		"LLComboBox" },
		{ LLMediaEntry::CURRENT_URL_KEY,			self->mCurrentURL,		"LLLineEditor" },
		{ LLMediaEntry::HEIGHT_PIXELS_KEY,			self->mHeightPixels,	"LLSpinCtrl" },
		{ LLMediaEntry::HOME_URL_KEY,				self->mHomeURL,			"LLLineEditor" },
		{ LLMediaEntry::FIRST_CLICK_INTERACT_KEY,	self->mFirstClick,		"LLCheckBoxCtrl" },
		{ LLMediaEntry::WIDTH_PIXELS_KEY,			self->mWidthPixels,		"LLSpinCtrl" },
		{ LLMediaEntry::ALT_IMAGE_ENABLE_KEY,		self->mAltImageEnable,	"LLCheckBoxCtrl" },
		{ "", NULL , "" }
	};

	for( int i = 0; data_set[ i ].key_name.length() > 0; ++i )
	{
		base_key = std::string( data_set[ i ].key_name );
		tentative_key = base_key + std::string( LLPanelContents::TENTATIVE_SUFFIX );
		// TODO: CP - I bet there is a better way to do this using Boost
		if ( media_settings[ base_key ].isDefined() )
		{
			if ( data_set[ i ].ctrl_type == "LLLineEditor" )
			{
				static_cast< LLLineEditor* >( data_set[ i ].ctrl_ptr )->
					setText( media_settings[ base_key ].asString() );
			}
			else
			if ( data_set[ i ].ctrl_type == "LLCheckBoxCtrl" )
				static_cast< LLCheckBoxCtrl* >( data_set[ i ].ctrl_ptr )->
					setValue( media_settings[ base_key ].asBoolean() );
			else
			if ( data_set[ i ].ctrl_type == "LLComboBox" )
				static_cast< LLComboBox* >( data_set[ i ].ctrl_ptr )->
					setCurrentByIndex( media_settings[ base_key ].asInteger() );
			else
			if ( data_set[ i ].ctrl_type == "LLSpinCtrl" )
				static_cast< LLSpinCtrl* >( data_set[ i ].ctrl_ptr )->
					setValue( media_settings[ base_key ].asInteger() );

			data_set[ i ].ctrl_ptr->setEnabled(self->mMediaEditable);
			data_set[ i ].ctrl_ptr->setTentative( media_settings[ tentative_key ].asBoolean() );
		};
	};
	
	// interrogates controls and updates widgets as required
	self->updateMediaPreview();
	self->updateCurrentURL();
}

////////////////////////////////////////////////////////////////////////////////
// Helper to set media control to media URL as required
void LLPanelMediaSettingsGeneral::updateMediaPreview()
{
	if ( mHomeURL->getValue().asString().length() > 0 )
	{
		mPreviewMedia->navigateTo( mHomeURL->getValue().asString() );
	}
	else
	// new home URL will be empty if media is deleted but
	// we still need to clean out the preview.
	{
		mPreviewMedia->unloadMediaSource();
	};
}

////////////////////////////////////////////////////////////////////////////////
// Helper to set current URL
void LLPanelMediaSettingsGeneral::updateCurrentURL()
{
	if( mCurrentURL->getText().empty() )
	{
		childSetText( "current_url", mHomeURL->getText() );
	}
	
}

////////////////////////////////////////////////////////////////////////////////

// virtual
void LLPanelMediaSettingsGeneral::onClose(bool app_quitting)
{
	if(mPreviewMedia)
	{
		mPreviewMedia->unloadMediaSource();
	}
}

////////////////////////////////////////////////////////////////////////////////
// static
void LLPanelMediaSettingsGeneral::onCommitHomeURL( LLUICtrl* ctrl, void *userdata )
{
	LLPanelMediaSettingsGeneral* self =(LLPanelMediaSettingsGeneral *)userdata;
	self->updateMediaPreview();
}

////////////////////////////////////////////////////////////////////////////////
// static
void LLPanelMediaSettingsGeneral::onBtnResetCurrentUrl(LLUICtrl* ctrl, void *userdata)
{
	LLPanelMediaSettingsGeneral* self =(LLPanelMediaSettingsGeneral *)userdata;
	self->navigateHomeSelectedFace();
}

////////////////////////////////////////////////////////////////////////////////
// static
void LLPanelMediaSettingsGeneral::apply( void* userdata )
{
	LLPanelMediaSettingsGeneral *self =(LLPanelMediaSettingsGeneral *)userdata;
	self->mHomeURL->onCommit();
	// build LLSD Fragment
	LLSD media_data_general;
	self->getValues(media_data_general);

	// this merges contents of LLSD passed in with what's there so this is ok
	LLSelectMgr::getInstance()->selectionSetMediaData( media_data_general );
}

////////////////////////////////////////////////////////////////////////////////
//
void LLPanelMediaSettingsGeneral::getValues( LLSD &fill_me_in )
{
    fill_me_in[LLMediaEntry::ALT_IMAGE_ENABLE_KEY] = mAltImageEnable->getValue();
    fill_me_in[LLMediaEntry::AUTO_LOOP_KEY] = mAutoLoop->getValue();
    fill_me_in[LLMediaEntry::AUTO_PLAY_KEY] = mAutoPlay->getValue();
    fill_me_in[LLMediaEntry::AUTO_SCALE_KEY] = mAutoScale->getValue();
    fill_me_in[LLMediaEntry::AUTO_ZOOM_KEY] = mAutoZoom->getValue();
    fill_me_in[LLMediaEntry::CONTROLS_KEY] = mControls->getCurrentIndex();
    // XXX Don't send current URL!
    //fill_me_in[LLMediaEntry::CURRENT_URL_KEY] = mCurrentURL->getValue();
    fill_me_in[LLMediaEntry::HEIGHT_PIXELS_KEY] = mHeightPixels->getValue();
    fill_me_in[LLMediaEntry::HOME_URL_KEY] = mHomeURL->getValue();
    fill_me_in[LLMediaEntry::FIRST_CLICK_INTERACT_KEY] = mFirstClick->getValue();
    fill_me_in[LLMediaEntry::WIDTH_PIXELS_KEY] = mWidthPixels->getValue();
}

////////////////////////////////////////////////////////////////////////////////
//
void LLPanelMediaSettingsGeneral::setParent( LLFloaterMediaSettings* parent )
{
	mParent = parent;
};

bool LLPanelMediaSettingsGeneral::navigateHomeSelectedFace()
{
	// HACK: This is directly referencing an impl name.  BAD!
	// This can be removed when we have a truly generic media browser that only 
	// builds an impl based on the type of url it is passed.
	struct functor_navigate_media : public LLSelectedTEGetFunctor< bool>
	{
		bool get( LLViewerObject* object, S32 face )
		{
			if ( object )
				if ( object->getTE(face) )
					if ( object->getTE(face)->getMediaData() )
					{
						if(object->permModify())
						{
							viewer_media_t media_impl = LLViewerMedia::getMediaImplFromTextureID(object->getTE(face)->getMediaData()->getMediaID());
							if(media_impl)
							{
								media_impl->navigateHome();
								return true;
							}
						}	
					}
		   return false;
		 };
				
	} functor_navigate_media;
	
	bool all_face_media_navigated = false;
	LLObjectSelectionHandle selected_objects =LLSelectMgr::getInstance()->getSelection();
	selected_objects->getSelectedTEValue( &functor_navigate_media, all_face_media_navigated );
	
	return all_face_media_navigated;
}