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path: root/indra/newview/llmimetypes.cpp
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/**
 * @file llmimetypes.cpp
 * @brief Translates a MIME type like "video/quicktime" into a
 * localizable user-friendly string like "QuickTime Movie"
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llmimetypes.h"
#include "lltrans.h"
#include "llxmlnode.h"

#include "lluictrlfactory.h"

LLMIMETypes::mime_info_map_t LLMIMETypes::sMap;
LLMIMETypes::mime_widget_set_map_t LLMIMETypes::sWidgetMap;

std::string sDefaultLabel;
	// Returned when we don't know what to do with the mime type
std::string sDefaultWidgetType;
	// Returned when we don't know what widget set to use
std::string sDefaultImpl;
	// Returned when we don't know what impl to use
std::string sXMLFilename; 
    // Squirrel away XML filename so we know how to reset
std::string DEFAULT_MIME_TYPE = "none/none";

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

// static
bool LLMIMETypes::parseMIMETypes(const std::string& xml_filename)
{
	LLXMLNodePtr root;
	bool success = LLUICtrlFactory::getLayeredXMLNode(xml_filename, root);
	if ( ! success || root.isNull() || ! root->hasName( "mimetypes" ) )
	{
		llwarns << "Unable to read MIME type file: "
			<< xml_filename << llendl;
		return false;
	}

	for (LLXMLNode* node = root->getFirstChild();
		 node != NULL;
		 node = node->getNextSibling())
	{
		if (node->hasName("defaultlabel"))
		{
			sDefaultLabel = node->getTextContents();
		}
		else if (node->hasName("defaultwidget"))
		{
			sDefaultWidgetType = node->getTextContents();
		}
		else if (node->hasName("defaultimpl"))
		{
			sDefaultImpl = node->getTextContents();
		}
		else if (node->hasName("mimetype") || node->hasName("scheme"))
		{
			std::string mime_type;
			node->getAttributeString("name", mime_type);
			LLMIMEInfo info;
			for (LLXMLNode* child = node->getFirstChild();
				 child != NULL;
				 child = child->getNextSibling())
			{
				if (child->hasName("label"))
				{
					info.mLabel = child->getTextContents();
				}
				else if (child->hasName("widgettype"))
				{
					info.mWidgetType = child->getTextContents();
				}
				else if (child->hasName("impl"))
				{
					info.mImpl = child->getTextContents();
				}
			}
			sMap[mime_type] = info;
		}
		else if (node->hasName("widgetset"))
		{
			std::string set_name;
			node->getAttributeString("name", set_name);
			LLMIMEWidgetSet info;
			for (LLXMLNode* child = node->getFirstChild();
				child != NULL;
				child = child->getNextSibling())
			{
				if (child->hasName("label"))
				{
					info.mLabel = child->getTextContents();
				}
				if (child->hasName("icon"))
				{
					info.mIcon = child->getTextContents();
				}
				if (child->hasName("default_type"))
				{
					info.mDefaultMimeType = child->getTextContents();
				}
				if (child->hasName("tooltip"))
				{
					info.mToolTip = child->getTextContents();
				}
				if (child->hasName("playtip"))
				{
					info.mPlayTip = child->getTextContents();
				}
				if (child->hasName("allow_resize"))
				{
					BOOL allow_resize = FALSE;
					child->getBoolValue( 1, &allow_resize );
					info.mAllowResize = (bool)allow_resize;
				}
				if (child->hasName("allow_looping"))
				{
					BOOL allow_looping = FALSE;
					child->getBoolValue( 1, &allow_looping );
					info.mAllowLooping = (bool)allow_looping;
				}
			}
			sWidgetMap[set_name] = info;
		}
	}

	sXMLFilename = xml_filename;
	return true;
}

// static
std::string LLMIMETypes::translate(const std::string& mime_type)
{
	mime_info_map_t::const_iterator it = sMap.find(mime_type);
	if (it != sMap.end())
	{
		return it->second.mLabel;
	}
	else
	{
		return sDefaultLabel;
	}
}

// static
std::string LLMIMETypes::widgetType(const std::string& mime_type)
{
	mime_info_map_t::const_iterator it = sMap.find(mime_type);
	if (it != sMap.end())
	{
		return it->second.mWidgetType;
	}
	else
	{
		return sDefaultWidgetType;
	}
}

// static
std::string LLMIMETypes::implType(const std::string& mime_type)
{
	mime_info_map_t::const_iterator it = sMap.find(mime_type);
	if (it != sMap.end())
	{
		return it->second.mImpl;
	}
	else
	{
		return sDefaultImpl;
	}
}

// static
std::string LLMIMETypes::findIcon(const std::string& mime_type)
{
	std::string icon = "";
	std::string widget_type = LLMIMETypes::widgetType(mime_type);
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		icon = it->second.mIcon;
	}
	return icon;
}

// static
std::string LLMIMETypes::findDefaultMimeType(const std::string& widget_type)
{
	std::string mime_type = getDefaultMimeType();
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		mime_type = it->second.mDefaultMimeType;
	}
	return mime_type;
}

// static
const std::string& LLMIMETypes::getDefaultMimeType()
{
	return DEFAULT_MIME_TYPE;
}

const std::string& LLMIMETypes::getDefaultMimeTypeTranslation()
{
	static std::string mime_type = LLTrans::getString("DefaultMimeType");
	return mime_type;
}

// static
std::string LLMIMETypes::findToolTip(const std::string& mime_type)
{
	std::string tool_tip = "";
	std::string widget_type = LLMIMETypes::widgetType(mime_type);
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		tool_tip = it->second.mToolTip;
	}
	return tool_tip;
}

// static
std::string LLMIMETypes::findPlayTip(const std::string& mime_type)
{
	std::string play_tip = "";
	std::string widget_type = LLMIMETypes::widgetType(mime_type);
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		play_tip = it->second.mPlayTip;
	}
	return play_tip;
}

// static
bool LLMIMETypes::findAllowResize(const std::string& mime_type)
{
	bool allow_resize = false;
	std::string widget_type = LLMIMETypes::widgetType(mime_type);
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		allow_resize = it->second.mAllowResize;
	}
	return allow_resize;
}

// static
bool LLMIMETypes::findAllowLooping(const std::string& mime_type)
{
	bool allow_looping = false;
	std::string widget_type = LLMIMETypes::widgetType(mime_type);
	mime_widget_set_map_t::iterator it = sWidgetMap.find(widget_type);
	if(it != sWidgetMap.end())
	{
		allow_looping = it->second.mAllowLooping;
	}
	return allow_looping;
}

// static
bool LLMIMETypes::isTypeHandled(const std::string& mime_type)
{
	mime_info_map_t::const_iterator it = sMap.find(mime_type);
	if (it != sMap.end())
	{
		return true;
	}
	return false;
}

// static
void LLMIMETypes::reload(void*)
{
	sMap.clear();
	sWidgetMap.clear();
	(void)LLMIMETypes::parseMIMETypes(sXMLFilename);
}