src/chrome/browser/signin/screenlock_bridge.cc

   1 // Copyright 2014 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/signin/screenlock_bridge.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/string16.h"
   9 #include "chrome/browser/profiles/profile_window.h"
  10 #include "chrome/browser/signin/signin_manager_factory.h"
  11 #include "components/signin/core/browser/signin_manager.h"
  12 #include "ui/base/webui/web_ui_util.h"
  13 #include "ui/gfx/image/image.h"
  14 #include "ui/gfx/image/image_skia.h"
  15
  16 #if defined(OS_CHROMEOS)
  17 #include "chromeos/dbus/dbus_thread_manager.h"
  18 #include "chromeos/dbus/session_manager_client.h"
  19 #endif
  20
  21 namespace {
  22
  23 base::LazyInstance<ScreenlockBridge> g_screenlock_bridge_bridge_instance =
  24     LAZY_INSTANCE_INITIALIZER;
  25
  26 }  // namespace
  27
  28 // static
  29 ScreenlockBridge* ScreenlockBridge::Get() {
  30   return g_screenlock_bridge_bridge_instance.Pointer();
  31 }
  32
  33 ScreenlockBridge::UserPodCustomIconOptions::UserPodCustomIconOptions()
  34     : width_(0u),
  35       height_(0u),
  36       animation_set_(false),
  37       animation_resource_width_(0u),
  38       animation_frame_length_ms_(0u),
  39       opacity_(100u),
  40       autoshow_tooltip_(false) {
  41 }
  42
  43 ScreenlockBridge::UserPodCustomIconOptions::~UserPodCustomIconOptions() {}
  44
  45 scoped_ptr<base::DictionaryValue>
  46 ScreenlockBridge::UserPodCustomIconOptions::ToDictionaryValue() const {
  47   scoped_ptr<base::DictionaryValue> result(new base::DictionaryValue());
  48   if (!icon_image_ && icon_resource_url_.empty())
  49     return result.Pass();
  50
  51   if (icon_image_) {
  52     gfx::ImageSkia icon_skia = icon_image_->AsImageSkia();
  53     base::DictionaryValue* icon_representations = new base::DictionaryValue();
  54     icon_representations->SetString(
  55         "scale1x",
  56         webui::GetBitmapDataUrl(
  57             icon_skia.GetRepresentation(1.0f).sk_bitmap()));
  58     icon_representations->SetString(
  59         "scale2x",
  60         webui::GetBitmapDataUrl(
  61             icon_skia.GetRepresentation(2.0f).sk_bitmap()));
  62     result->Set("data", icon_representations);
  63   } else {
  64     result->SetString("resourceUrl", icon_resource_url_);
  65   }
  66
  67   if (!tooltip_.empty()) {
  68     base::DictionaryValue* tooltip_options = new base::DictionaryValue();
  69     tooltip_options->SetString("text", tooltip_);
  70     tooltip_options->SetBoolean("autoshow", autoshow_tooltip_);
  71     result->Set("tooltip", tooltip_options);
  72   }
  73
  74   base::DictionaryValue* size = new base::DictionaryValue();
  75   size->SetInteger("height", height_);
  76   size->SetInteger("width", width_);
  77   result->Set("size", size);
  78
  79   result->SetInteger("opacity", opacity_);
  80
  81   if (animation_set_) {
  82     base::DictionaryValue* animation = new base::DictionaryValue();
  83     animation->SetInteger("resourceWidth",
  84                           animation_resource_width_);
  85     animation->SetInteger("frameLengthMs",
  86                           animation_frame_length_ms_);
  87     result->Set("animation", animation);
  88   }
  89   return result.Pass();
  90 }
  91
  92 void ScreenlockBridge::UserPodCustomIconOptions::SetIconAsResourceURL(
  93     const std::string& url) {
  94   DCHECK(!icon_image_);
  95
  96   icon_resource_url_ = url;
  97 }
  98
  99 void ScreenlockBridge::UserPodCustomIconOptions::SetIconAsImage(
 100     const gfx::Image& image) {
 101   DCHECK(icon_resource_url_.empty());
 102
 103   icon_image_.reset(new gfx::Image(image));
 104   SetSize(image.Width(), image.Height());
 105 }
 106
 107 void ScreenlockBridge::UserPodCustomIconOptions::SetSize(size_t icon_width,
 108                                                          size_t icon_height) {
 109   width_ = icon_width;
 110   height_ = icon_height;
 111 }
 112
 113 void ScreenlockBridge::UserPodCustomIconOptions::SetAnimation(
 114     size_t resource_width,
 115     size_t frame_length_ms) {
 116   animation_set_ = true;
 117   animation_resource_width_ = resource_width;
 118   animation_frame_length_ms_ = frame_length_ms;
 119 }
 120
 121 void ScreenlockBridge::UserPodCustomIconOptions::SetOpacity(size_t opacity) {
 122   DCHECK_LE(opacity, 100u);
 123   opacity_ = opacity;
 124 }
 125
 126 void ScreenlockBridge::UserPodCustomIconOptions::SetTooltip(
 127     const base::string16& tooltip,
 128     bool autoshow) {
 129   tooltip_ = tooltip;
 130   autoshow_tooltip_ = autoshow;
 131 }
 132
 133 // static
 134 std::string ScreenlockBridge::GetAuthenticatedUserEmail(Profile* profile) {
 135   // |profile| has to be a signed-in profile with SigninManager already
 136   // created. Otherwise, just crash to collect stack.
 137   SigninManagerBase* signin_manager =
 138       SigninManagerFactory::GetForProfileIfExists(profile);
 139   return signin_manager->GetAuthenticatedUsername();
 140 }
 141
 142 ScreenlockBridge::ScreenlockBridge() : lock_handler_(NULL) {
 143 }
 144
 145 ScreenlockBridge::~ScreenlockBridge() {
 146 }
 147
 148 void ScreenlockBridge::SetLockHandler(LockHandler* lock_handler) {
 149   DCHECK(lock_handler_ == NULL || lock_handler == NULL);
 150   lock_handler_ = lock_handler;
 151   if (lock_handler_)
 152     FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidLock());
 153   else
 154     FOR_EACH_OBSERVER(Observer, observers_, OnScreenDidUnlock());
 155 }
 156
 157 bool ScreenlockBridge::IsLocked() const {
 158   return lock_handler_ != NULL;
 159 }
 160
 161 void ScreenlockBridge::Lock(Profile* profile) {
 162 #if defined(OS_CHROMEOS)
 163   chromeos::SessionManagerClient* session_manager =
 164       chromeos::DBusThreadManager::Get()->GetSessionManagerClient();
 165   session_manager->RequestLockScreen();
 166 #else
 167   profiles::LockProfile(profile);
 168 #endif
 169 }
 170
 171 void ScreenlockBridge::Unlock(Profile* profile) {
 172   if (lock_handler_)
 173     lock_handler_->Unlock(GetAuthenticatedUserEmail(profile));
 174 }
 175
 176 void ScreenlockBridge::AddObserver(Observer* observer) {
 177   observers_.AddObserver(observer);
 178 }
 179
 180 void ScreenlockBridge::RemoveObserver(Observer* observer) {
 181   observers_.RemoveObserver(observer);
 182 }