chrome/browser/shell_integration.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 "chrome/browser/shell_integration.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/files/file_util.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "base/strings/string_util.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "base/threading/thread_restrictions.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 "components/version_info/version_info.h"
  18 #include "content/public/browser/browser_thread.h"
  19
  20 #if defined(OS_CHROMEOS)
  21 #include "chromeos/chromeos_switches.h"
  22 #endif
  23
  24 #if !defined(OS_WIN)
  25 #include "chrome/common/channel_info.h"
  26 #include "chrome/grit/chromium_strings.h"
  27 #include "ui/base/l10n/l10n_util.h"
  28 #endif
  29
  30 using content::BrowserThread;
  31
  32 // static
  33 ShellIntegration::DefaultWebClientSetPermission
  34     ShellIntegration::CanSetAsDefaultProtocolClient() {
  35   // Allowed as long as the browser can become the operating system default
  36   // browser.
  37   return CanSetAsDefaultBrowser();
  38 }
  39
  40 static const struct ShellIntegration::AppModeInfo* gAppModeInfo = NULL;
  41
  42 // static
  43 void ShellIntegration::SetAppModeInfo(const struct AppModeInfo* info) {
  44   gAppModeInfo = info;
  45 }
  46
  47 // static
  48 const struct ShellIntegration::AppModeInfo* ShellIntegration::AppModeInfo() {
  49   return gAppModeInfo;
  50 }
  51
  52 // static
  53 bool ShellIntegration::IsRunningInAppMode() {
  54   return gAppModeInfo != NULL;
  55 }
  56
  57 // static
  58 base::CommandLine ShellIntegration::CommandLineArgsForLauncher(
  59     const GURL& url,
  60     const std::string& extension_app_id,
  61     const base::FilePath& profile_path) {
  62   base::ThreadRestrictions::AssertIOAllowed();
  63   base::CommandLine new_cmd_line(base::CommandLine::NO_PROGRAM);
  64
  65   AppendProfileArgs(
  66       extension_app_id.empty() ? base::FilePath() : profile_path,
  67       &new_cmd_line);
  68
  69   // If |extension_app_id| is present, we use the kAppId switch rather than
  70   // the kApp switch (the launch url will be read from the extension app
  71   // during launch.
  72   if (!extension_app_id.empty()) {
  73     new_cmd_line.AppendSwitchASCII(switches::kAppId, extension_app_id);
  74   } else {
  75     // Use '--app=url' instead of just 'url' to launch the browser with minimal
  76     // chrome.
  77     // Note: Do not change this flag!  Old Gears shortcuts will break if you do!
  78     new_cmd_line.AppendSwitchASCII(switches::kApp, url.spec());
  79   }
  80   return new_cmd_line;
  81 }
  82
  83 // static
  84 void ShellIntegration::AppendProfileArgs(const base::FilePath& profile_path,
  85                                          base::CommandLine* command_line) {
  86   DCHECK(command_line);
  87   const base::CommandLine& cmd_line = *base::CommandLine::ForCurrentProcess();
  88
  89   // Use the same UserDataDir for new launches that we currently have set.
  90   base::FilePath user_data_dir =
  91       cmd_line.GetSwitchValuePath(switches::kUserDataDir);
  92 #if defined(OS_MACOSX) || defined(OS_WIN)
  93   policy::path_parser::CheckUserDataDirPolicy(&user_data_dir);
  94 #endif
  95   if (!user_data_dir.empty()) {
  96     // Make sure user_data_dir is an absolute path.
  97     user_data_dir = base::MakeAbsoluteFilePath(user_data_dir);
  98     if (!user_data_dir.empty() && base::PathExists(user_data_dir))
  99       command_line->AppendSwitchPath(switches::kUserDataDir, user_data_dir);
 100   }
 101
 102 #if defined(OS_CHROMEOS)
 103   base::FilePath profile = cmd_line.GetSwitchValuePath(
 104       chromeos::switches::kLoginProfile);
 105   if (!profile.empty())
 106     command_line->AppendSwitchPath(chromeos::switches::kLoginProfile, profile);
 107 #else
 108   if (!profile_path.empty())
 109     command_line->AppendSwitchPath(switches::kProfileDirectory,
 110                                    profile_path.BaseName());
 111 #endif
 112 }
 113
 114 #if !defined(OS_WIN)
 115
 116 base::string16 ShellIntegration::GetAppShortcutsSubdirName() {
 117   if (chrome::GetChannel() == version_info::Channel::CANARY)
 118     return l10n_util::GetStringUTF16(IDS_APP_SHORTCUTS_SUBDIR_NAME_CANARY);
 119   return l10n_util::GetStringUTF16(IDS_APP_SHORTCUTS_SUBDIR_NAME);
 120 }
 121
 122 // static
 123 bool ShellIntegration::SetAsDefaultBrowserInteractive() {
 124   return false;
 125 }
 126
 127 // static
 128 bool ShellIntegration::SetAsDefaultProtocolClientInteractive(
 129     const std::string& protocol) {
 130   return false;
 131 }
 132
 133 // static
 134 bool ShellIntegration::IsElevationNeededForSettingDefaultProtocolClient() {
 135   return false;
 136 }
 137
 138 #endif  // !defined(OS_WIN)
 139
 140 bool ShellIntegration::DefaultWebClientObserver::IsOwnedByWorker() {
 141   return false;
 142 }
 143
 144 bool ShellIntegration::DefaultWebClientObserver::
 145     IsInteractiveSetDefaultPermitted() {
 146   return false;
 147 }
 148
 149 ///////////////////////////////////////////////////////////////////////////////
 150 // ShellIntegration::DefaultWebClientWorker
 151 //
 152
 153 ShellIntegration::DefaultWebClientWorker::DefaultWebClientWorker(
 154     DefaultWebClientObserver* observer)
 155     : observer_(observer) {
 156 }
 157
 158 void ShellIntegration::DefaultWebClientWorker::StartCheckIsDefault() {
 159   if (observer_) {
 160     observer_->SetDefaultWebClientUIState(STATE_PROCESSING);
 161     BrowserThread::PostTask(
 162         BrowserThread::FILE, FROM_HERE,
 163         base::Bind(
 164             &DefaultWebClientWorker::ExecuteCheckIsDefault, this));
 165   }
 166 }
 167
 168 void ShellIntegration::DefaultWebClientWorker::StartSetAsDefault() {
 169   bool interactive_permitted = false;
 170   if (observer_) {
 171     observer_->SetDefaultWebClientUIState(STATE_PROCESSING);
 172     interactive_permitted = observer_->IsInteractiveSetDefaultPermitted();
 173   }
 174   BrowserThread::PostTask(
 175       BrowserThread::FILE, FROM_HERE,
 176       base::Bind(&DefaultWebClientWorker::ExecuteSetAsDefault, this,
 177                  interactive_permitted));
 178 }
 179
 180 void ShellIntegration::DefaultWebClientWorker::ObserverDestroyed() {
 181   // Our associated view has gone away, so we shouldn't call back to it if
 182   // our worker thread returns after the view is dead.
 183   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 184   observer_ = NULL;
 185 }
 186
 187 ///////////////////////////////////////////////////////////////////////////////
 188 // DefaultWebClientWorker, private:
 189
 190 void ShellIntegration::DefaultWebClientWorker::ExecuteCheckIsDefault() {
 191   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 192   DefaultWebClientState state = CheckIsDefault();
 193   BrowserThread::PostTask(
 194       BrowserThread::UI, FROM_HERE,
 195       base::Bind(
 196           &DefaultWebClientWorker::CompleteCheckIsDefault, this, state));
 197 }
 198
 199 void ShellIntegration::DefaultWebClientWorker::CompleteCheckIsDefault(
 200     DefaultWebClientState state) {
 201   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 202   UpdateUI(state);
 203   // The worker has finished everything it needs to do, so free the observer
 204   // if we own it.
 205   if (observer_ && observer_->IsOwnedByWorker()) {
 206     delete observer_;
 207     observer_ = NULL;
 208   }
 209 }
 210
 211 void ShellIntegration::DefaultWebClientWorker::ExecuteSetAsDefault(
 212     bool interactive_permitted) {
 213   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 214
 215   bool result = SetAsDefault(interactive_permitted);
 216   BrowserThread::PostTask(
 217       BrowserThread::UI, FROM_HERE,
 218       base::Bind(&DefaultWebClientWorker::CompleteSetAsDefault, this, result));
 219 }
 220
 221 void ShellIntegration::DefaultWebClientWorker::CompleteSetAsDefault(
 222     bool succeeded) {
 223   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 224   // First tell the observer what the SetAsDefault call has returned.
 225   if (observer_)
 226     observer_->OnSetAsDefaultConcluded(succeeded);
 227   // Set as default completed, check again to make sure it stuck...
 228   StartCheckIsDefault();
 229 }
 230
 231 void ShellIntegration::DefaultWebClientWorker::UpdateUI(
 232     DefaultWebClientState state) {
 233   if (observer_) {
 234     switch (state) {
 235       case NOT_DEFAULT:
 236         observer_->SetDefaultWebClientUIState(STATE_NOT_DEFAULT);
 237         break;
 238       case IS_DEFAULT:
 239         observer_->SetDefaultWebClientUIState(STATE_IS_DEFAULT);
 240         break;
 241       case UNKNOWN_DEFAULT:
 242         observer_->SetDefaultWebClientUIState(STATE_UNKNOWN);
 243         break;
 244       default:
 245         break;
 246     }
 247   }
 248 }
 249
 250 ///////////////////////////////////////////////////////////////////////////////
 251 // ShellIntegration::DefaultBrowserWorker
 252 //
 253
 254 ShellIntegration::DefaultBrowserWorker::DefaultBrowserWorker(
 255     DefaultWebClientObserver* observer)
 256     : DefaultWebClientWorker(observer) {
 257 }
 258
 259 ///////////////////////////////////////////////////////////////////////////////
 260 // DefaultBrowserWorker, private:
 261
 262 ShellIntegration::DefaultWebClientState
 263 ShellIntegration::DefaultBrowserWorker::CheckIsDefault() {
 264   return ShellIntegration::GetDefaultBrowser();
 265 }
 266
 267 bool ShellIntegration::DefaultBrowserWorker::SetAsDefault(
 268     bool interactive_permitted) {
 269   bool result = false;
 270   switch (ShellIntegration::CanSetAsDefaultBrowser()) {
 271     case ShellIntegration::SET_DEFAULT_UNATTENDED:
 272       result = ShellIntegration::SetAsDefaultBrowser();
 273       break;
 274     case ShellIntegration::SET_DEFAULT_INTERACTIVE:
 275       if (interactive_permitted)
 276         result = ShellIntegration::SetAsDefaultBrowserInteractive();
 277       break;
 278     default:
 279       NOTREACHED();
 280   }
 281
 282   return result;
 283 }
 284
 285 ///////////////////////////////////////////////////////////////////////////////
 286 // ShellIntegration::DefaultProtocolClientWorker
 287 //
 288
 289 ShellIntegration::DefaultProtocolClientWorker::DefaultProtocolClientWorker(
 290     DefaultWebClientObserver* observer, const std::string& protocol)
 291     : DefaultWebClientWorker(observer),
 292       protocol_(protocol) {
 293 }
 294
 295 ///////////////////////////////////////////////////////////////////////////////
 296 // DefaultProtocolClientWorker, private:
 297
 298 ShellIntegration::DefaultWebClientState
 299 ShellIntegration::DefaultProtocolClientWorker::CheckIsDefault() {
 300   return ShellIntegration::IsDefaultProtocolClient(protocol_);
 301 }
 302
 303 bool ShellIntegration::DefaultProtocolClientWorker::SetAsDefault(
 304     bool interactive_permitted) {
 305   bool result = false;
 306   switch (ShellIntegration::CanSetAsDefaultProtocolClient()) {
 307     case ShellIntegration::SET_DEFAULT_NOT_ALLOWED:
 308       result = false;
 309       break;
 310     case ShellIntegration::SET_DEFAULT_UNATTENDED:
 311       result = ShellIntegration::SetAsDefaultProtocolClient(protocol_);
 312       break;
 313     case ShellIntegration::SET_DEFAULT_INTERACTIVE:
 314       if (interactive_permitted) {
 315         result = ShellIntegration::SetAsDefaultProtocolClientInteractive(
 316             protocol_);
 317       }
 318       break;
 319   }
 320
 321   return result;
 322 }