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      1 // Copyright (c) 2011 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/command_line.h"
      8 #include "base/file_util.h"
      9 #include "base/path_service.h"
     10 #include "base/string_util.h"
     11 #include "base/utf_string_conversions.h"
     12 #include "chrome/browser/prefs/pref_service.h"
     13 #include "chrome/common/chrome_paths.h"
     14 #include "chrome/common/chrome_switches.h"
     15 #include "chrome/common/pref_names.h"
     16 #include "content/browser/browser_thread.h"
     17 
     18 ShellIntegration::ShortcutInfo::ShortcutInfo()
     19     : create_on_desktop(false),
     20       create_in_applications_menu(false),
     21       create_in_quick_launch_bar(false) {
     22 }
     23 
     24 ShellIntegration::ShortcutInfo::~ShortcutInfo() {}
     25 
     26 // static
     27 CommandLine ShellIntegration::CommandLineArgsForLauncher(
     28     const GURL& url,
     29     const std::string& extension_app_id) {
     30   const CommandLine& cmd_line = *CommandLine::ForCurrentProcess();
     31   CommandLine new_cmd_line(CommandLine::NO_PROGRAM);
     32 
     33   // Use the same UserDataDir for new launches that we currently have set.
     34   FilePath user_data_dir = cmd_line.GetSwitchValuePath(switches::kUserDataDir);
     35   if (!user_data_dir.empty()) {
     36     // Make sure user_data_dir is an absolute path.
     37     if (file_util::AbsolutePath(&user_data_dir) &&
     38         file_util::PathExists(user_data_dir)) {
     39       new_cmd_line.AppendSwitchPath(switches::kUserDataDir, user_data_dir);
     40     }
     41   }
     42 
     43 #if defined(OS_CHROMEOS)
     44   FilePath profile = cmd_line.GetSwitchValuePath(switches::kLoginProfile);
     45   if (!profile.empty())
     46     new_cmd_line.AppendSwitchPath(switches::kLoginProfile, profile);
     47 #endif
     48 
     49   // If |extension_app_id| is present, we use the kAppId switch rather than
     50   // the kApp switch (the launch url will be read from the extension app
     51   // during launch.
     52   if (!extension_app_id.empty()) {
     53     new_cmd_line.AppendSwitchASCII(switches::kAppId, extension_app_id);
     54   } else {
     55     // Use '--app=url' instead of just 'url' to launch the browser with minimal
     56     // chrome.
     57     // Note: Do not change this flag!  Old Gears shortcuts will break if you do!
     58     new_cmd_line.AppendSwitchASCII(switches::kApp, url.spec());
     59   }
     60   return new_cmd_line;
     61 }
     62 
     63 ///////////////////////////////////////////////////////////////////////////////
     64 // ShellIntegration::DefaultBrowserWorker
     65 //
     66 
     67 ShellIntegration::DefaultBrowserWorker::DefaultBrowserWorker(
     68     DefaultBrowserObserver* observer)
     69     : observer_(observer) {
     70 }
     71 
     72 void ShellIntegration::DefaultBrowserWorker::StartCheckDefaultBrowser() {
     73   observer_->SetDefaultBrowserUIState(STATE_PROCESSING);
     74   BrowserThread::PostTask(
     75       BrowserThread::FILE, FROM_HERE,
     76       NewRunnableMethod(
     77           this, &DefaultBrowserWorker::ExecuteCheckDefaultBrowser));
     78 }
     79 
     80 void ShellIntegration::DefaultBrowserWorker::StartSetAsDefaultBrowser() {
     81   observer_->SetDefaultBrowserUIState(STATE_PROCESSING);
     82   BrowserThread::PostTask(
     83       BrowserThread::FILE, FROM_HERE,
     84       NewRunnableMethod(
     85           this, &DefaultBrowserWorker::ExecuteSetAsDefaultBrowser));
     86 }
     87 
     88 void ShellIntegration::DefaultBrowserWorker::ObserverDestroyed() {
     89   // Our associated view has gone away, so we shouldn't call back to it if
     90   // our worker thread returns after the view is dead.
     91   observer_ = NULL;
     92 }
     93 
     94 ///////////////////////////////////////////////////////////////////////////////
     95 // DefaultBrowserWorker, private:
     96 
     97 void ShellIntegration::DefaultBrowserWorker::ExecuteCheckDefaultBrowser() {
     98   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
     99   DefaultBrowserState state = ShellIntegration::IsDefaultBrowser();
    100   BrowserThread::PostTask(
    101       BrowserThread::UI, FROM_HERE,
    102       NewRunnableMethod(
    103           this, &DefaultBrowserWorker::CompleteCheckDefaultBrowser, state));
    104 }
    105 
    106 void ShellIntegration::DefaultBrowserWorker::CompleteCheckDefaultBrowser(
    107     DefaultBrowserState state) {
    108   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
    109   UpdateUI(state);
    110 }
    111 
    112 void ShellIntegration::DefaultBrowserWorker::ExecuteSetAsDefaultBrowser() {
    113   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
    114   ShellIntegration::SetAsDefaultBrowser();
    115   BrowserThread::PostTask(
    116       BrowserThread::UI, FROM_HERE,
    117       NewRunnableMethod(
    118           this, &DefaultBrowserWorker::CompleteSetAsDefaultBrowser));
    119 }
    120 
    121 void ShellIntegration::DefaultBrowserWorker::CompleteSetAsDefaultBrowser() {
    122   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
    123   if (observer_) {
    124     // Set as default completed, check again to make sure it stuck...
    125     StartCheckDefaultBrowser();
    126   }
    127 }
    128 
    129 void ShellIntegration::DefaultBrowserWorker::UpdateUI(
    130     DefaultBrowserState state) {
    131   if (observer_) {
    132     switch (state) {
    133       case NOT_DEFAULT_BROWSER:
    134         observer_->SetDefaultBrowserUIState(STATE_NOT_DEFAULT);
    135         break;
    136       case IS_DEFAULT_BROWSER:
    137         observer_->SetDefaultBrowserUIState(STATE_IS_DEFAULT);
    138         break;
    139       case UNKNOWN_DEFAULT_BROWSER:
    140         observer_->SetDefaultBrowserUIState(STATE_UNKNOWN);
    141         break;
    142       default:
    143         break;
    144     }
    145   }
    146 }
    147