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// Copyright (c) 2011 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/chromeos/status/window_switcher_button.h"
#include "chrome/browser/chromeos/status/status_area_host.h"
#include "chrome/browser/ui/browser_window.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas.h"
namespace chromeos {
WindowSwitcherButton::WindowSwitcherButton(StatusAreaHost* host)
: StatusAreaButton(this),
host_(host) {
UpdateStatus();
BrowserList::AddObserver(this);
}
WindowSwitcherButton::~WindowSwitcherButton() {
BrowserList::RemoveObserver(this);
}
void WindowSwitcherButton::UpdateStatus() {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
// If there's more than one window, we enable ourselves.
if (BrowserList::size() > 1) {
SetIcon(*rb.GetBitmapNamed(IDR_STATUSBAR_WINDOW_SWITCHER));
SetEnabled(true);
} else {
SetIcon(*rb.GetBitmapNamed(IDR_STATUSBAR_WINDOW_SWITCHER_DISABLED));
SetEnabled(false);
}
}
////////////////////////////////////////////////////////////////////////////////
// WindowSwitcherButton, views::ViewMenuDelegate implementation:
void WindowSwitcherButton::RunMenu(views::View* source, const gfx::Point& pt) {
if (BrowserList::empty())
return;
Browser* last_active = BrowserList::GetLastActive();
if (last_active) {
BrowserList::const_iterator iter;
for (iter = BrowserList::begin(); iter != BrowserList::end(); ++iter) {
if (last_active == *iter) {
++iter;
break;
}
}
if (iter == BrowserList::end())
iter = BrowserList::begin();
(*iter)->window()->Activate();
} else {
(*BrowserList::begin())->window()->Activate();
}
}
////////////////////////////////////////////////////////////////////////////////
// BrowserList::Observer implementation:
// Called immediately after a browser is added to the list
void WindowSwitcherButton::OnBrowserAdded(const Browser* browser) {
UpdateStatus();
}
// Called immediately after a browser is removed from the list
void WindowSwitcherButton::OnBrowserRemoved(const Browser* browser) {
UpdateStatus();
}
} // namespace chromeos
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