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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_
#define CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_
#include <vector>
#include "base/memory/raw_ptr.h"
#include "base/memory/singleton.h"
#include "base/observer_list.h"
#include "chrome/browser/extensions/window_controller.h"
#include "extensions/buildflags/buildflags.h"
static_assert(BUILDFLAG(ENABLE_EXTENSIONS_CORE));
class ExtensionFunction;
namespace extensions {
class WindowControllerListObserver;
// Class to maintain a list of WindowControllers.
class WindowControllerList {
public:
using ControllerVector =
std::vector<raw_ptr<WindowController, CtnExperimental>>;
using const_iterator = ControllerVector::const_iterator;
WindowControllerList();
WindowControllerList(const WindowControllerList&) = delete;
WindowControllerList& operator=(const WindowControllerList&) = delete;
~WindowControllerList();
void AddExtensionWindow(WindowController* window);
void RemoveExtensionWindow(WindowController* window);
void NotifyWindowBoundsChanged(WindowController* window);
void AddObserver(WindowControllerListObserver* observer);
void RemoveObserver(WindowControllerListObserver* observer);
const_iterator begin() const { return windows_.begin(); }
const_iterator end() const { return windows_.end(); }
bool empty() const { return windows_.empty(); }
size_t size() const { return windows_.size(); }
WindowController* get(size_t index) const { return windows_[index]; }
// Returns a window matching the context the function was invoked in
// using `filter`.
WindowController* FindWindowForFunctionByIdWithFilter(
const ExtensionFunction* function,
int id,
WindowController::TypeFilter filter) const;
#if !BUILDFLAG(IS_ANDROID)
// Returns the focused or last added window matching the context the function
// was invoked in.
WindowController* CurrentWindowForFunction(ExtensionFunction* function) const;
// Returns the focused or last added window matching the context the function
// was invoked in using `filter`.
WindowController* CurrentWindowForFunctionWithFilter(
ExtensionFunction* function,
WindowController::TypeFilter filter) const;
#endif // !BUILDFLAG(IS_ANDROID)
static WindowControllerList* GetInstance();
private:
friend struct base::DefaultSingletonTraits<WindowControllerList>;
// Entries are not owned by this class and must be removed when destroyed.
ControllerVector windows_;
base::ObserverList<WindowControllerListObserver>::Unchecked observers_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_WINDOW_CONTROLLER_LIST_H_
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