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fix: nullptr check when closing windows (#22948)

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Shelley Vohr 2020-04-07 20:41:14 -07:00 committed by GitHub
parent a7469f82ac
commit 54f8c4e6a3
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1 changed files with 25 additions and 7 deletions
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32
shell/browser/window_list.cc
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@ -10,6 +10,18 @@
#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
@ -80,20 +92,26 @@ void WindowList::RemoveObserver(WindowListObserver* observer) {
// static
void WindowList::CloseAllWindows() {
WindowVector windows = GetInstance()->windows_;
std::vector<base::WeakPtr<NativeWindow>> weak_windows =
ConvertToWeakPtrVector(GetInstance()->windows_);
#if defined(OS_MACOSX)
std::reverse(windows.begin(), windows.end());
std::reverse(weak_windows.begin(), weak_windows.end());
#endif
for (auto* const& window : windows)
if (!window->IsClosed())
for (const auto& window : weak_windows) {
if (window && !window->IsClosed())
window->Close();
}
}
// static
void WindowList::DestroyAllWindows() {
WindowVector windows = GetInstance()->windows_;
for (auto* const& window : windows)
window->CloseImmediately(); // e.g. Destroy()
std::vector<base::WeakPtr<NativeWindow>> weak_windows =
ConvertToWeakPtrVector(GetInstance()->windows_);
for (const auto& window : weak_windows) {
if (window)
window->CloseImmediately();
}
}
WindowList::WindowList() = default;