73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ATOM_BROWSER_WINDOW_LIST_H_
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#define ATOM_BROWSER_WINDOW_LIST_H_
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#include <vector>
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#include "base/lazy_instance.h"
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#include "base/macros.h"
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#include "base/observer_list.h"
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namespace atom {
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class NativeWindow;
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class WindowListObserver;
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class WindowList {
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public:
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typedef std::vector<NativeWindow*> WindowVector;
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typedef WindowVector::iterator iterator;
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typedef WindowVector::const_iterator const_iterator;
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// Windows are added to the list before they have constructed windows,
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// so the |window()| member function may return NULL.
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const_iterator begin() const { return windows_.begin(); }
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const_iterator end() const { return windows_.end(); }
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iterator begin() { return windows_.begin(); }
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iterator end() { return windows_.end(); }
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bool empty() const { return windows_.empty(); }
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size_t size() const { return windows_.size(); }
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NativeWindow* get(size_t index) const { return windows_[index]; }
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static WindowList* GetInstance();
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// Adds or removes |window| from the list it is associated with.
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static void AddWindow(NativeWindow* window);
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static void RemoveWindow(NativeWindow* window);
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// Called by window when a close is cancelled by beforeunload handler.
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static void WindowCloseCancelled(NativeWindow* window);
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// Adds and removes |observer| from the observer list.
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static void AddObserver(WindowListObserver* observer);
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static void RemoveObserver(WindowListObserver* observer);
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// Closes all windows.
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static void CloseAllWindows();
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private:
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WindowList();
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~WindowList();
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// A vector of the windows in this list, in the order they were added.
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WindowVector windows_;
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// A list of observers which will be notified of every window addition and
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// removal across all WindowLists.
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static base::LazyInstance<base::ObserverList<WindowListObserver>>::Leaky
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observers_;
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static WindowList* instance_;
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DISALLOW_COPY_AND_ASSIGN(WindowList);
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};
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} // namespace atom
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#endif // ATOM_BROWSER_WINDOW_LIST_H_
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