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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/window_controller_list.h"
#include <algorithm>
#include "chrome/browser/extensions/api/tabs/windows_util.h"
#include "chrome/browser/extensions/chrome_extension_function_details.h"
#include "chrome/browser/extensions/window_controller_list_observer.h"
#include "components/sessions/session_id.h"
#include "extensions/browser/extension_function.h"
#include "ui/base/base_window.h"
namespace extensions {
///////////////////////////////////////////////////////////////////////////////
// WindowControllerList
// static
WindowControllerList* WindowControllerList::GetInstance() {
return Singleton<WindowControllerList>::get();
}
WindowControllerList::WindowControllerList() {
}
WindowControllerList::~WindowControllerList() {
}
void WindowControllerList::AddExtensionWindow(WindowController* window) {
windows_.push_back(window);
FOR_EACH_OBSERVER(WindowControllerListObserver, observers_,
OnWindowControllerAdded(window));
}
void WindowControllerList::RemoveExtensionWindow(WindowController* window) {
ControllerList::iterator iter = std::find(
windows_.begin(), windows_.end(), window);
if (iter != windows_.end()) {
windows_.erase(iter);
FOR_EACH_OBSERVER(WindowControllerListObserver, observers_,
OnWindowControllerRemoved(window));
}
}
void WindowControllerList::AddObserver(WindowControllerListObserver* observer) {
observers_.AddObserver(observer);
}
void WindowControllerList::RemoveObserver(
WindowControllerListObserver* observer) {
observers_.RemoveObserver(observer);
}
WindowController* WindowControllerList::FindWindowById(int id) const {
for (ControllerList::const_iterator iter = windows().begin();
iter != windows().end(); ++iter) {
if ((*iter)->GetWindowId() == id)
return *iter;
}
return NULL;
}
WindowController* WindowControllerList::FindWindowForFunctionById(
const UIThreadExtensionFunction* function,
int id) const {
WindowController* controller = FindWindowById(id);
if (controller && windows_util::CanOperateOnWindow(function, controller))
return controller;
return NULL;
}
WindowController* WindowControllerList::CurrentWindowForFunction(
const UIThreadExtensionFunction* function) const {
WindowController* result = NULL;
// Returns either the focused window (if any), or the last window in the list.
for (ControllerList::const_iterator iter = windows().begin();
iter != windows().end(); ++iter) {
if (windows_util::CanOperateOnWindow(function, *iter)) {
result = *iter;
if (result->window()->IsActive())
break; // use focused window
}
}
return result;
}
} // namespace extensions
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