electron/atom/browser/window_list.cc
2017-04-11 09:09:17 -07:00

92 lines
2.2 KiB
C++

// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/window_list.h"
#include <algorithm>
#include "atom/browser/native_window.h"
#include "atom/browser/window_list_observer.h"
#include "base/logging.h"
namespace atom {
// static
base::LazyInstance<base::ObserverList<WindowListObserver>>::Leaky
WindowList::observers_ = LAZY_INSTANCE_INITIALIZER;
// static
WindowList* WindowList::instance_ = nullptr;
// static
WindowList* WindowList::GetInstance() {
if (!instance_)
instance_ = new WindowList;
return instance_;
}
// static
void WindowList::AddWindow(NativeWindow* window) {
DCHECK(window);
// Push |window| on the appropriate list instance.
WindowVector& windows = GetInstance()->windows_;
windows.push_back(window);
for (WindowListObserver& observer : observers_.Get())
observer.OnWindowAdded(window);
}
// static
void WindowList::RemoveWindow(NativeWindow* window) {
WindowVector& windows = GetInstance()->windows_;
windows.erase(std::remove(windows.begin(), windows.end(), window),
windows.end());
for (WindowListObserver& observer : observers_.Get())
observer.OnWindowRemoved(window);
if (windows.empty()) {
for (WindowListObserver& observer : observers_.Get())
observer.OnWindowAllClosed();
}
}
// static
void WindowList::WindowCloseCancelled(NativeWindow* window) {
for (WindowListObserver& observer : observers_.Get())
observer.OnWindowCloseCancelled(window);
}
// static
void WindowList::AddObserver(WindowListObserver* observer) {
observers_.Get().AddObserver(observer);
}
// static
void WindowList::RemoveObserver(WindowListObserver* observer) {
observers_.Get().RemoveObserver(observer);
}
// static
void WindowList::CloseAllWindows() {
WindowVector windows = GetInstance()->windows_;
for (const auto& window : windows)
if (!window->IsClosed())
window->Close();
}
// static
void WindowList::DestroyAllWindows() {
WindowVector windows = GetInstance()->windows_;
for (const auto& window : windows)
window->CloseContents(nullptr); // e.g. Destroy()
}
WindowList::WindowList() {
}
WindowList::~WindowList() {
}
} // namespace atom