electron/shell/browser/window_list.cc

117 строки
2.8 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 "shell/browser/window_list.h"
#include <algorithm>
#include "base/no_destructor.h"
#include "shell/browser/native_window.h"
#include "shell/browser/window_list_observer.h"
namespace {
template <typename T>
std::vector<base::WeakPtr<T>> ConvertToWeakPtrVector(std::vector<T*> raw_ptrs) {
std::vector<base::WeakPtr<T>> converted_to_weak;
converted_to_weak.reserve(raw_ptrs.size());
for (auto* raw_ptr : raw_ptrs) {
converted_to_weak.push_back(raw_ptr->GetWeakPtr());
}
return converted_to_weak;
}
} // namespace
namespace electron {
// static
WindowList* WindowList::instance_ = nullptr;
// static
WindowList* WindowList::GetInstance() {
if (!instance_)
instance_ = new WindowList;
return instance_;
}
// static
WindowList::WindowVector WindowList::GetWindows() {
return GetInstance()->windows_;
}
// static
bool WindowList::IsEmpty() {
return GetInstance()->windows_.empty();
}
// static
void WindowList::AddWindow(NativeWindow* window) {
DCHECK(window);
// Push |window| on the appropriate list instance.
WindowVector& windows = GetInstance()->windows_;
windows.push_back(window);
}
// static
void WindowList::RemoveWindow(NativeWindow* window) {
WindowVector& windows = GetInstance()->windows_;
std::erase(windows, window);
if (windows.empty()) {
for (WindowListObserver& observer : GetObservers())
observer.OnWindowAllClosed();
}
}
// static
void WindowList::WindowCloseCancelled(NativeWindow* window) {
for (WindowListObserver& observer : GetObservers())
observer.OnWindowCloseCancelled(window);
}
// static
void WindowList::AddObserver(WindowListObserver* observer) {
GetObservers().AddObserver(observer);
}
// static
void WindowList::RemoveObserver(WindowListObserver* observer) {
GetObservers().RemoveObserver(observer);
}
// static
void WindowList::CloseAllWindows() {
std::vector<base::WeakPtr<NativeWindow>> weak_windows =
ConvertToWeakPtrVector(GetInstance()->windows_);
#if BUILDFLAG(IS_MAC)
std::ranges::reverse(weak_windows);
#endif
for (const auto& window : weak_windows) {
if (window && !window->IsClosed())
window->Close();
}
}
// static
void WindowList::DestroyAllWindows() {
std::vector<base::WeakPtr<NativeWindow>> weak_windows =
ConvertToWeakPtrVector(GetInstance()->windows_);
for (const auto& window : weak_windows) {
if (window && !window->IsClosed())
window->CloseImmediately();
}
}
WindowList::WindowList() = default;
WindowList::~WindowList() = default;
// static
base::ObserverList<WindowListObserver>& WindowList::GetObservers() {
static base::NoDestructor<base::ObserverList<WindowListObserver>> instance;
return *instance;
}
} // namespace electron