chrome/browser/ui/browser_iterator.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/browser_iterator.h"
   6
   7 namespace chrome {
   8
   9 BrowserIterator::BrowserIterator()
  10     : current_browser_list_(BrowserList::GetInstance(HOST_DESKTOP_TYPE_FIRST)),
  11       current_iterator_(current_browser_list_->begin()),
  12       next_desktop_type_(
  13           static_cast<HostDesktopType>(HOST_DESKTOP_TYPE_FIRST + 1)) {
  14   NextBrowserListIfAtEnd();
  15 }
  16
  17 BrowserIterator::~BrowserIterator() {
  18 }
  19
  20 void BrowserIterator::Next() {
  21   ++current_iterator_;
  22   NextBrowserListIfAtEnd();
  23 }
  24
  25 void BrowserIterator::NextBrowserListIfAtEnd() {
  26   // Make sure either |current_iterator_| is valid or done().
  27   while (current_iterator_ == current_browser_list_->end() &&
  28          next_desktop_type_ < HOST_DESKTOP_TYPE_COUNT) {
  29     current_browser_list_ = BrowserList::GetInstance(next_desktop_type_);
  30     current_iterator_ = current_browser_list_->begin();
  31     next_desktop_type_ = static_cast<HostDesktopType>(next_desktop_type_ + 1);
  32   }
  33 }
  34
  35 }  // namespace chrome