/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019 The RmlUi Team, and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include "PluginRegistry.h"
#include "../../Include/RmlUi/Core/Plugin.h"
#include <algorithm>

namespace Rml {

typedef Vector< Plugin* > PluginList;
static PluginList basic_plugins;
static PluginList document_plugins;
static PluginList element_plugins;

PluginRegistry::PluginRegistry()
{
}

void PluginRegistry::RegisterPlugin(Plugin* plugin)
{
	int event_classes = plugin->GetEventClasses();
	
	if (event_classes & Plugin::EVT_BASIC)
		basic_plugins.push_back(plugin);
	if (event_classes & Plugin::EVT_DOCUMENT)
		document_plugins.push_back(plugin);
	if (event_classes & Plugin::EVT_ELEMENT)
		element_plugins.push_back(plugin);
}

void PluginRegistry::UnregisterPlugin(Plugin* plugin)
{
	int event_classes = plugin->GetEventClasses();

	if(event_classes & Plugin::EVT_BASIC)
		basic_plugins.erase(std::remove(basic_plugins.begin(), basic_plugins.end(), plugin), basic_plugins.end());
	if(event_classes & Plugin::EVT_DOCUMENT)
		document_plugins.erase(std::remove(document_plugins.begin(), document_plugins.end(), plugin), document_plugins.end());
	if(event_classes & Plugin::EVT_ELEMENT)
		element_plugins.erase(std::remove(element_plugins.begin(), element_plugins.end(), plugin), element_plugins.end());
}

// Calls OnInitialise() on all plugins.
void PluginRegistry::NotifyInitialise()
{
	for (size_t i = 0; i < basic_plugins.size(); ++i)
		basic_plugins[i]->OnInitialise();
}

// Calls OnShutdown() on all plugins.
void PluginRegistry::NotifyShutdown()
{
	while (!basic_plugins.empty())
	{
		basic_plugins.back()->OnShutdown();
		basic_plugins.pop_back();
	}
	document_plugins.clear();
	element_plugins.clear();
}

// Calls OnContextCreate() on all plugins.
void PluginRegistry::NotifyContextCreate(Context* context)
{
	for (size_t i = 0; i < basic_plugins.size(); ++i)
		basic_plugins[i]->OnContextCreate(context);
}

// Calls OnContextDestroy() on all plugins.
void PluginRegistry::NotifyContextDestroy(Context* context)
{
	for (size_t i = 0; i < basic_plugins.size(); ++i)
		basic_plugins[i]->OnContextDestroy(context);
}

// Calls OnDocumentOpen() on all plugins.
void PluginRegistry::NotifyDocumentOpen(Context* context, const String& document_path)
{
	for (size_t i = 0; i < document_plugins.size(); ++i)
		document_plugins[i]->OnDocumentOpen(context, document_path);
}

// Calls OnDocumentLoad() on all plugins.
void PluginRegistry::NotifyDocumentLoad(ElementDocument* document)
{
	for (size_t i = 0; i < document_plugins.size(); ++i)
		document_plugins[i]->OnDocumentLoad(document);
}

// Calls OnDocumentUnload() on all plugins.
void PluginRegistry::NotifyDocumentUnload(ElementDocument* document)
{
	for (size_t i = 0; i < document_plugins.size(); ++i)
		document_plugins[i]->OnDocumentUnload(document);
}

// Calls OnElementCreate() on all plugins.
void PluginRegistry::NotifyElementCreate(Element* element)
{
	for (size_t i = 0; i < element_plugins.size(); ++i)
		element_plugins[i]->OnElementCreate(element);
}

// Calls OnElementDestroy() on all plugins.
void PluginRegistry::NotifyElementDestroy(Element* element)
{
	for (size_t i = 0; i < element_plugins.size(); ++i)
		element_plugins[i]->OnElementDestroy(element);
}

} // namespace Rml