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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "WindowList.h"
WindowList& WindowList::the()
{
static WindowList* s_the;
if (!s_the)
s_the = new WindowList;
return *s_the;
}
Window* WindowList::find_parent(const Window& window)
{
if (!window.parent_identifier().is_valid())
return nullptr;
for (auto& it : m_windows) {
auto& w = *it.value;
if (w.identifier() == window.parent_identifier())
return &w;
}
return nullptr;
}
Window* WindowList::window(const WindowIdentifier& identifier)
{
auto it = m_windows.find(identifier);
if (it != m_windows.end())
return it->value;
return nullptr;
}
Window& WindowList::ensure_window(const WindowIdentifier& identifier)
{
auto it = m_windows.find(identifier);
if (it != m_windows.end())
return *it->value;
auto window = make<Window>(identifier);
auto& window_ref = *window;
m_windows.set(identifier, move(window));
return window_ref;
}
void WindowList::remove_window(const WindowIdentifier& identifier)
{
m_windows.remove(identifier);
}
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