// Copyright (c) 2016-2018 Kiwano - Nomango
//
// 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 <kiwano-imgui/ImGuiLayer.h>

namespace kiwano
{
namespace imgui
{

ImGuiLayerPtr ImGuiLayer::Create()
{
    ImGuiLayerPtr ptr = new (std::nothrow) ImGuiLayer;
    return ptr;
}

ImGuiLayerPtr ImGuiLayer::Create(const String& name, const ImGuiPipeline& item)
{
    ImGuiLayerPtr ptr = new (std::nothrow) ImGuiLayer;
    if (ptr)
    {
        ptr->AddItem(name, item);
    }
    return ptr;
}

ImGuiLayer::ImGuiLayer()
{
    SetSwallowEvents(true);
}

ImGuiLayer::~ImGuiLayer() {}

void ImGuiLayer::OnRender(RenderContext& ctx)
{
    for (const auto& pipeline : pipelines_)
    {
        pipeline.second();
    }
}

bool ImGuiLayer::CheckVisibility(RenderContext& ctx) const
{
    return true;
}

void ImGuiLayer::AddItem(const String& name, const ImGuiPipeline& item)
{
    pipelines_.insert(std::make_pair(name, item));
}

void ImGuiLayer::RemoveItem(const String& name)
{
    auto iter = pipelines_.find(name);
    if (iter != pipelines_.end())
    {
        pipelines_.erase(iter);
    }
}

void ImGuiLayer::RemoveAllItems()
{
    pipelines_.clear();
}
}  // namespace imgui
}  // namespace kiwano
