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