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