chrome/browser/extensions/launch_util.cc

   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/extensions/launch_util.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/values.h"
   9 #include "chrome/browser/extensions/extension_service.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/ui/host_desktop.h"
  12 #include "chrome/common/chrome_switches.h"
  13 #include "chrome/common/extensions/extension_constants.h"
  14 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
  15 #include "components/pref_registry/pref_registry_syncable.h"
  16 #include "extensions/browser/extension_prefs.h"
  17 #include "extensions/browser/pref_names.h"
  18 #include "extensions/common/extension.h"
  19
  20 #if defined(USE_ASH)
  21 #include "ash/shell.h"
  22 #endif
  23
  24 namespace extensions {
  25 namespace {
  26
  27 // A preference set by the the NTP to persist the desired launch container type
  28 // used for apps.
  29 const char kPrefLaunchType[] = "launchType";
  30
  31 }  // namespace
  32
  33 namespace launch_util {
  34
  35 // static
  36 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
  37   registry->RegisterIntegerPref(
  38       pref_names::kBookmarkAppCreationLaunchType,
  39       LAUNCH_TYPE_WINDOW,
  40       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
  41 }
  42
  43 }  // namespace launch_util
  44
  45 LaunchType GetLaunchType(const ExtensionPrefs* prefs,
  46                          const Extension* extension) {
  47   LaunchType result = LAUNCH_TYPE_DEFAULT;
  48
  49   // Launch hosted apps as windows by default for streamlined hosted apps.
  50   if (CommandLine::ForCurrentProcess()->
  51           HasSwitch(switches::kEnableStreamlinedHostedApps) &&
  52       extension->id() != extension_misc::kChromeAppId) {
  53     result = LAUNCH_TYPE_WINDOW;
  54   }
  55
  56   int value = GetLaunchTypePrefValue(prefs, extension->id());
  57   if (value >= LAUNCH_TYPE_FIRST && value < NUM_LAUNCH_TYPES)
  58     result = static_cast<LaunchType>(value);
  59
  60 #if defined(OS_MACOSX)
  61     // App windows are not yet supported on mac.  Pref sync could make
  62     // the launch type LAUNCH_TYPE_WINDOW, even if there is no UI to set it
  63     // on mac.
  64     if (!extension->is_platform_app() && result == LAUNCH_TYPE_WINDOW)
  65       result = LAUNCH_TYPE_REGULAR;
  66 #endif
  67
  68   return result;
  69 }
  70
  71 LaunchType GetLaunchTypePrefValue(const ExtensionPrefs* prefs,
  72                                   const std::string& extension_id) {
  73   int value = LAUNCH_TYPE_INVALID;
  74   return prefs->ReadPrefAsInteger(extension_id, kPrefLaunchType, &value)
  75       ? static_cast<LaunchType>(value) : LAUNCH_TYPE_INVALID;
  76 }
  77
  78 void SetLaunchType(ExtensionService* service,
  79                    const std::string& extension_id,
  80                    LaunchType launch_type) {
  81   DCHECK(launch_type >= LAUNCH_TYPE_FIRST && launch_type < NUM_LAUNCH_TYPES);
  82
  83   ExtensionPrefs::Get(service->profile())->UpdateExtensionPref(
  84       extension_id,
  85       kPrefLaunchType,
  86       new base::FundamentalValue(static_cast<int>(launch_type)));
  87
  88   // Sync the launch type.
  89   const Extension* extension = service->GetInstalledExtension(extension_id);
  90   if (extension) {
  91     ExtensionSyncService::Get(service->profile())->
  92         SyncExtensionChangeIfNeeded(*extension);
  93   }
  94 }
  95
  96 LaunchContainer GetLaunchContainer(const ExtensionPrefs* prefs,
  97                                    const Extension* extension) {
  98   LaunchContainer manifest_launch_container =
  99       AppLaunchInfo::GetLaunchContainer(extension);
 100
 101   const LaunchContainer kInvalidLaunchContainer =
 102       static_cast<LaunchContainer>(-1);
 103
 104   LaunchContainer result = kInvalidLaunchContainer;
 105
 106   if (manifest_launch_container == LAUNCH_CONTAINER_PANEL) {
 107     // Apps with app.launch.container = 'panel' should always respect the
 108     // manifest setting.
 109     result = manifest_launch_container;
 110   } else if (manifest_launch_container == LAUNCH_CONTAINER_TAB) {
 111     // Look for prefs that indicate the user's choice of launch container. The
 112     // app's menu on the NTP provides a UI to set this preference.
 113     LaunchType prefs_launch_type = GetLaunchType(prefs, extension);
 114
 115     if (prefs_launch_type == LAUNCH_TYPE_WINDOW) {
 116       // If the pref is set to launch a window (or no pref is set, and
 117       // window opening is the default), make the container a window.
 118       result = LAUNCH_CONTAINER_WINDOW;
 119 #if defined(USE_ASH)
 120     } else if (prefs_launch_type == LAUNCH_TYPE_FULLSCREEN &&
 121                chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_ASH) {
 122       // LAUNCH_TYPE_FULLSCREEN launches in a maximized app window in ash.
 123       // For desktop chrome AURA on all platforms we should open the
 124       // application in full screen mode in the current tab, on the same
 125       // lines as non AURA chrome.
 126       result = LAUNCH_CONTAINER_WINDOW;
 127 #endif
 128     } else {
 129       // All other launch types (tab, pinned, fullscreen) are
 130       // implemented as tabs in a window.
 131       result = LAUNCH_CONTAINER_TAB;
 132     }
 133   } else {
 134     // If a new value for app.launch.container is added, logic for it should be
 135     // added here. LAUNCH_CONTAINER_WINDOW is not present because there is no
 136     // way to set it in a manifest.
 137     NOTREACHED() << manifest_launch_container;
 138   }
 139
 140   // All paths should set |result|.
 141   if (result == kInvalidLaunchContainer) {
 142     DLOG(FATAL) << "Failed to set a launch container.";
 143     result = LAUNCH_CONTAINER_TAB;
 144   }
 145
 146   return result;
 147 }
 148
 149 bool HasPreferredLaunchContainer(const ExtensionPrefs* prefs,
 150                                  const Extension* extension) {
 151   int value = -1;
 152   LaunchContainer manifest_launch_container =
 153       AppLaunchInfo::GetLaunchContainer(extension);
 154   return manifest_launch_container == LAUNCH_CONTAINER_TAB &&
 155       prefs->ReadPrefAsInteger(extension->id(), kPrefLaunchType, &value);
 156 }
 157
 158 }  // namespace extensions