shell_integration.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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 "chrome/browser/shell_integration.h"
6
7#include "base/bind.h"
8#include "base/command_line.h"
9#include "base/file_util.h"
10#include "base/path_service.h"
11#include "base/prefs/pref_service.h"
12#include "base/string_util.h"
13#include "base/utf_string_conversions.h"
14#include "chrome/browser/policy/policy_path_parser.h"
15#include "chrome/common/chrome_paths.h"
16#include "chrome/common/chrome_switches.h"
17#include "chrome/common/pref_names.h"
18#include "content/public/browser/browser_thread.h"
19
20using content::BrowserThread;
21
22ShellIntegration::DefaultWebClientSetPermission
23    ShellIntegration::CanSetAsDefaultProtocolClient() {
24  // Allowed as long as the browser can become the operating system default
25  // browser.
26  return CanSetAsDefaultBrowser();
27}
28
29ShellIntegration::ShortcutInfo::ShortcutInfo()
30    : is_platform_app(false) {
31}
32
33ShellIntegration::ShortcutInfo::~ShortcutInfo() {}
34
35ShellIntegration::ShortcutLocations::ShortcutLocations()
36    : on_desktop(false),
37      in_applications_menu(false),
38      in_quick_launch_bar(false),
39      hidden(false) {
40}
41
42static const struct ShellIntegration::AppModeInfo* gAppModeInfo = NULL;
43
44// static
45void ShellIntegration::SetAppModeInfo(const struct AppModeInfo* info) {
46  gAppModeInfo = info;
47}
48
49// static
50const struct ShellIntegration::AppModeInfo* ShellIntegration::AppModeInfo() {
51  return gAppModeInfo;
52}
53
54// static
55bool ShellIntegration::IsRunningInAppMode() {
56  return gAppModeInfo != NULL;
57}
58
59// static
60CommandLine ShellIntegration::CommandLineArgsForLauncher(
61    const GURL& url,
62    const std::string& extension_app_id,
63    const base::FilePath& profile_path) {
64  const CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
65  CommandLine new_cmd_line(CommandLine::NO_PROGRAM);
66
67  // Use the same UserDataDir for new launches that we currently have set.
68  base::FilePath user_data_dir =
69      cmd_line.GetSwitchValuePath(switches::kUserDataDir);
70#if defined(OS_MACOSX) || defined(OS_WIN)
71  policy::path_parser::CheckUserDataDirPolicy(&user_data_dir);
72#endif
73  if (!user_data_dir.empty()) {
74    // Make sure user_data_dir is an absolute path.
75    if (file_util::AbsolutePath(&user_data_dir) &&
76        file_util::PathExists(user_data_dir)) {
77      new_cmd_line.AppendSwitchPath(switches::kUserDataDir, user_data_dir);
78    }
79  }
80
81#if defined(OS_CHROMEOS)
82  base::FilePath profile = cmd_line.GetSwitchValuePath(switches::kLoginProfile);
83  if (!profile.empty())
84    new_cmd_line.AppendSwitchPath(switches::kLoginProfile, profile);
85#else
86  if (!profile_path.empty() && !extension_app_id.empty())
87    new_cmd_line.AppendSwitchPath(switches::kProfileDirectory,
88                                  profile_path.BaseName());
89#endif
90
91  // If |extension_app_id| is present, we use the kAppId switch rather than
92  // the kApp switch (the launch url will be read from the extension app
93  // during launch.
94  if (!extension_app_id.empty()) {
95    new_cmd_line.AppendSwitchASCII(switches::kAppId, extension_app_id);
96  } else {
97    // Use '--app=url' instead of just 'url' to launch the browser with minimal
98    // chrome.
99    // Note: Do not change this flag!  Old Gears shortcuts will break if you do!
100    new_cmd_line.AppendSwitchASCII(switches::kApp, url.spec());
101  }
102  return new_cmd_line;
103}
104
105#if !defined(OS_WIN)
106// static
107bool ShellIntegration::SetAsDefaultBrowserInteractive() {
108  return false;
109}
110
111// static
112bool ShellIntegration::SetAsDefaultProtocolClientInteractive(
113    const std::string& protocol) {
114  return false;
115}
116#endif
117
118bool ShellIntegration::DefaultWebClientObserver::IsOwnedByWorker() {
119  return false;
120}
121
122bool ShellIntegration::DefaultWebClientObserver::
123    IsInteractiveSetDefaultPermitted() {
124  return false;
125}
126
127///////////////////////////////////////////////////////////////////////////////
128// ShellIntegration::DefaultWebClientWorker
129//
130
131ShellIntegration::DefaultWebClientWorker::DefaultWebClientWorker(
132    DefaultWebClientObserver* observer)
133    : observer_(observer) {
134}
135
136void ShellIntegration::DefaultWebClientWorker::StartCheckIsDefault() {
137  if (observer_) {
138    observer_->SetDefaultWebClientUIState(STATE_PROCESSING);
139    BrowserThread::PostTask(
140        BrowserThread::FILE, FROM_HERE,
141        base::Bind(
142            &DefaultWebClientWorker::ExecuteCheckIsDefault, this));
143  }
144}
145
146void ShellIntegration::DefaultWebClientWorker::StartSetAsDefault() {
147  bool interactive_permitted = false;
148  if (observer_) {
149    observer_->SetDefaultWebClientUIState(STATE_PROCESSING);
150    interactive_permitted = observer_->IsInteractiveSetDefaultPermitted();
151  }
152  BrowserThread::PostTask(
153      BrowserThread::FILE, FROM_HERE,
154      base::Bind(&DefaultWebClientWorker::ExecuteSetAsDefault, this,
155                 interactive_permitted));
156}
157
158void ShellIntegration::DefaultWebClientWorker::ObserverDestroyed() {
159  // Our associated view has gone away, so we shouldn't call back to it if
160  // our worker thread returns after the view is dead.
161  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
162  observer_ = NULL;
163}
164
165///////////////////////////////////////////////////////////////////////////////
166// DefaultWebClientWorker, private:
167
168void ShellIntegration::DefaultWebClientWorker::ExecuteCheckIsDefault() {
169  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
170  DefaultWebClientState state = CheckIsDefault();
171  BrowserThread::PostTask(
172      BrowserThread::UI, FROM_HERE,
173      base::Bind(
174          &DefaultWebClientWorker::CompleteCheckIsDefault, this, state));
175}
176
177void ShellIntegration::DefaultWebClientWorker::CompleteCheckIsDefault(
178    DefaultWebClientState state) {
179  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
180  UpdateUI(state);
181  // The worker has finished everything it needs to do, so free the observer
182  // if we own it.
183  if (observer_ && observer_->IsOwnedByWorker()) {
184    delete observer_;
185    observer_ = NULL;
186  }
187}
188
189void ShellIntegration::DefaultWebClientWorker::ExecuteSetAsDefault(
190    bool interactive_permitted) {
191  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
192
193  bool result = SetAsDefault(interactive_permitted);
194  BrowserThread::PostTask(
195      BrowserThread::UI, FROM_HERE,
196      base::Bind(&DefaultWebClientWorker::CompleteSetAsDefault, this, result));
197}
198
199void ShellIntegration::DefaultWebClientWorker::CompleteSetAsDefault(
200    bool succeeded) {
201  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
202  // First tell the observer what the SetAsDefault call has returned.
203  if (observer_)
204    observer_->OnSetAsDefaultConcluded(succeeded);
205  // Set as default completed, check again to make sure it stuck...
206  StartCheckIsDefault();
207}
208
209void ShellIntegration::DefaultWebClientWorker::UpdateUI(
210    DefaultWebClientState state) {
211  if (observer_) {
212    switch (state) {
213      case NOT_DEFAULT:
214        observer_->SetDefaultWebClientUIState(STATE_NOT_DEFAULT);
215        break;
216      case IS_DEFAULT:
217        observer_->SetDefaultWebClientUIState(STATE_IS_DEFAULT);
218        break;
219      case UNKNOWN_DEFAULT:
220        observer_->SetDefaultWebClientUIState(STATE_UNKNOWN);
221        break;
222      default:
223        break;
224    }
225  }
226}
227
228///////////////////////////////////////////////////////////////////////////////
229// ShellIntegration::DefaultBrowserWorker
230//
231
232ShellIntegration::DefaultBrowserWorker::DefaultBrowserWorker(
233    DefaultWebClientObserver* observer)
234    : DefaultWebClientWorker(observer) {
235}
236
237///////////////////////////////////////////////////////////////////////////////
238// DefaultBrowserWorker, private:
239
240ShellIntegration::DefaultWebClientState
241ShellIntegration::DefaultBrowserWorker::CheckIsDefault() {
242  return ShellIntegration::GetDefaultBrowser();
243}
244
245bool ShellIntegration::DefaultBrowserWorker::SetAsDefault(
246    bool interactive_permitted) {
247  bool result = false;
248  switch (ShellIntegration::CanSetAsDefaultBrowser()) {
249    case ShellIntegration::SET_DEFAULT_UNATTENDED:
250      result = ShellIntegration::SetAsDefaultBrowser();
251      break;
252    case ShellIntegration::SET_DEFAULT_INTERACTIVE:
253      if (interactive_permitted)
254        result = ShellIntegration::SetAsDefaultBrowserInteractive();
255      break;
256    default:
257      NOTREACHED();
258  }
259
260  return result;
261}
262
263///////////////////////////////////////////////////////////////////////////////
264// ShellIntegration::DefaultProtocolClientWorker
265//
266
267ShellIntegration::DefaultProtocolClientWorker::DefaultProtocolClientWorker(
268    DefaultWebClientObserver* observer, const std::string& protocol)
269    : DefaultWebClientWorker(observer),
270      protocol_(protocol) {
271}
272
273///////////////////////////////////////////////////////////////////////////////
274// DefaultProtocolClientWorker, private:
275
276ShellIntegration::DefaultWebClientState
277ShellIntegration::DefaultProtocolClientWorker::CheckIsDefault() {
278  return ShellIntegration::IsDefaultProtocolClient(protocol_);
279}
280
281bool ShellIntegration::DefaultProtocolClientWorker::SetAsDefault(
282    bool interactive_permitted) {
283  bool result = false;
284  switch (ShellIntegration::CanSetAsDefaultProtocolClient()) {
285    case ShellIntegration::SET_DEFAULT_UNATTENDED:
286      result = ShellIntegration::SetAsDefaultProtocolClient(protocol_);
287      break;
288    case ShellIntegration::SET_DEFAULT_INTERACTIVE:
289      if (interactive_permitted) {
290        result = ShellIntegration::SetAsDefaultProtocolClientInteractive(
291            protocol_);
292      }
293      break;
294    default:
295      NOTREACHED();
296  }
297
298  return result;
299}
300