content/public/browser/browser_child_process_host_iterator.cc

   1 // Copyright (c) 2012 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 "content/public/browser/browser_child_process_host_iterator.h"
   6
   7 #include "base/logging.h"
   8 #include "content/browser/browser_child_process_host_impl.h"
   9 #include "content/public/browser/browser_thread.h"
  10
  11 namespace content {
  12
  13 BrowserChildProcessHostIterator::BrowserChildProcessHostIterator()
  14     : all_(true), process_type_(PROCESS_TYPE_UNKNOWN) {
  15   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)) <<
  16         "BrowserChildProcessHostIterator must be used on the IO thread.";
  17   iterator_ = BrowserChildProcessHostImpl::GetIterator()->begin();
  18 }
  19
  20 BrowserChildProcessHostIterator::BrowserChildProcessHostIterator(int type)
  21     : all_(false), process_type_(type) {
  22   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)) <<
  23         "BrowserChildProcessHostIterator must be used on the IO thread.";
  24   iterator_ = BrowserChildProcessHostImpl::GetIterator()->begin();
  25   if (!Done() && (*iterator_)->GetData().process_type != process_type_)
  26     ++(*this);
  27 }
  28
  29 bool BrowserChildProcessHostIterator::operator++() {
  30   CHECK(!Done());
  31   do {
  32     ++iterator_;
  33     if (Done())
  34       break;
  35
  36     if (!all_ && (*iterator_)->GetData().process_type != process_type_)
  37       continue;
  38
  39     return true;
  40   } while (true);
  41
  42   return false;
  43 }
  44
  45 bool BrowserChildProcessHostIterator::Done() {
  46   return iterator_ == BrowserChildProcessHostImpl::GetIterator()->end();
  47 }
  48
  49 const ChildProcessData& BrowserChildProcessHostIterator::GetData() {
  50   CHECK(!Done());
  51   return (*iterator_)->GetData();
  52 }
  53
  54 bool BrowserChildProcessHostIterator::Send(IPC::Message* message) {
  55   CHECK(!Done());
  56   return (*iterator_)->Send(message);
  57 }
  58
  59 BrowserChildProcessHostDelegate*
  60     BrowserChildProcessHostIterator::GetDelegate() {
  61   return (*iterator_)->delegate();
  62 }
  63
  64 }  // namespace content