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/browser_process_platform_part_aurawin.h"
6
7#include "base/command_line.h"
8#include "base/logging.h"
9#include "base/prefs/pref_service.h"
10#include "base/process/kill.h"
11#include "base/win/windows_version.h"
12#include "chrome/browser/browser_process.h"
13#include "chrome/browser/chrome_notification_types.h"
14#include "chrome/browser/first_run/upgrade_util.h"
15#include "chrome/browser/first_run/upgrade_util_win.h"
16#include "chrome/browser/lifetime/application_lifetime.h"
17#include "chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
18#include "chrome/common/chrome_switches.h"
19#include "chrome/common/pref_names.h"
20#include "content/public/browser/notification_service.h"
21
22#include "ui/aura/remote_window_tree_host_win.h"
23#include "ui/base/ui_base_switches.h"
24
25BrowserProcessPlatformPart::BrowserProcessPlatformPart() {
26  if (base::win::GetVersion() >= base::win::VERSION_WIN7) {
27    // Tell metro viewer to close when we are shutting down.
28    registrar_.Add(this, chrome::NOTIFICATION_APP_TERMINATING,
29                   content::NotificationService::AllSources());
30  }
31}
32
33BrowserProcessPlatformPart::~BrowserProcessPlatformPart() {
34}
35
36void BrowserProcessPlatformPart::OnMetroViewerProcessTerminated() {
37  metro_viewer_process_host_.reset(NULL);
38}
39
40void BrowserProcessPlatformPart::PlatformSpecificCommandLineProcessing(
41    const CommandLine& command_line) {
42  // Check for Windows 8 specific commandlines requesting that this process
43  // either connect to an existing viewer or launch a new viewer and
44  // synchronously wait for it to connect.
45
46  bool launch = command_line.HasSwitch(switches::kViewerLaunchViaAppId);
47  bool connect = (launch ||
48                  (command_line.HasSwitch(switches::kViewerConnect) &&
49                   !metro_viewer_process_host_.get()));
50  if (!connect)
51    return;
52  // Create a host to connect to the Metro viewer process over IPC.
53  metro_viewer_process_host_.reset(new ChromeMetroViewerProcessHost());
54  if (launch) {
55    CHECK(metro_viewer_process_host_->LaunchViewerAndWaitForConnection(
56        command_line.GetSwitchValueNative(
57            switches::kViewerLaunchViaAppId)));
58  }
59
60}
61
62void BrowserProcessPlatformPart::Observe(
63    int type,
64    const content::NotificationSource& source,
65    const content::NotificationDetails& details) {
66
67  DCHECK(type == chrome::NOTIFICATION_APP_TERMINATING);
68  PrefService* pref_service = g_browser_process->local_state();
69  bool is_relaunch = pref_service->GetBoolean(prefs::kWasRestarted);
70  if (is_relaunch) {
71    upgrade_util::RelaunchMode mode =
72        upgrade_util::RelaunchModeStringToEnum(
73            pref_service->GetString(prefs::kRelaunchMode));
74    if (metro_viewer_process_host_.get()) {
75      if (mode == upgrade_util::RELAUNCH_MODE_DESKTOP) {
76        // Metro -> Desktop
77        chrome::ActivateDesktopHelper(chrome::ASH_TERMINATE);
78      } else {
79        // Metro -> Metro
80        ChromeMetroViewerProcessHost::HandleMetroExit();
81      }
82    }
83  }
84}
85