src/chrome/browser/ui/content_settings/content_setting_image_model.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/ui/content_settings/content_setting_image_model.h"
   6
   7 #include "chrome/browser/content_settings/host_content_settings_map.h"
   8 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
   9 #include "chrome/browser/prerender/prerender_manager.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/grit/generated_resources.h"
  12 #include "content/public/browser/web_contents.h"
  13 #include "grit/theme_resources.h"
  14 #include "ui/base/l10n/l10n_util.h"
  15
  16 using content::WebContents;
  17
  18 class ContentSettingBlockedImageModel : public ContentSettingImageModel {
  19  public:
  20   explicit ContentSettingBlockedImageModel(
  21       ContentSettingsType content_settings_type);
  22
  23   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  24 };
  25
  26 class ContentSettingGeolocationImageModel : public ContentSettingImageModel {
  27  public:
  28   ContentSettingGeolocationImageModel();
  29
  30   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  31 };
  32
  33 // Image model for displaying media icons in the location bar.
  34 class ContentSettingMediaImageModel : public ContentSettingImageModel {
  35  public:
  36   explicit ContentSettingMediaImageModel(ContentSettingsType type);
  37
  38   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  39 };
  40
  41 class ContentSettingRPHImageModel : public ContentSettingImageModel {
  42  public:
  43   ContentSettingRPHImageModel();
  44
  45   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  46 };
  47
  48 class ContentSettingNotificationsImageModel : public ContentSettingImageModel {
  49  public:
  50   ContentSettingNotificationsImageModel();
  51
  52   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  53 };
  54
  55 class ContentSettingMIDISysExImageModel : public ContentSettingImageModel {
  56  public:
  57   ContentSettingMIDISysExImageModel();
  58
  59   virtual void UpdateFromWebContents(WebContents* web_contents) OVERRIDE;
  60 };
  61
  62 namespace {
  63
  64 struct ContentSettingsTypeIdEntry {
  65   ContentSettingsType type;
  66   int id;
  67 };
  68
  69 int GetIdForContentType(const ContentSettingsTypeIdEntry* entries,
  70                         size_t num_entries,
  71                         ContentSettingsType type) {
  72   for (size_t i = 0; i < num_entries; ++i) {
  73     if (entries[i].type == type)
  74       return entries[i].id;
  75   }
  76   return 0;
  77 }
  78
  79 }  // namespace
  80
  81 ContentSettingBlockedImageModel::ContentSettingBlockedImageModel(
  82     ContentSettingsType content_settings_type)
  83     : ContentSettingImageModel(content_settings_type) {
  84 }
  85
  86 void ContentSettingBlockedImageModel::UpdateFromWebContents(
  87     WebContents* web_contents) {
  88   set_visible(false);
  89   if (!web_contents)
  90     return;
  91
  92   static const ContentSettingsTypeIdEntry kBlockedIconIDs[] = {
  93     {CONTENT_SETTINGS_TYPE_COOKIES, IDR_BLOCKED_COOKIES},
  94     {CONTENT_SETTINGS_TYPE_IMAGES, IDR_BLOCKED_IMAGES},
  95     {CONTENT_SETTINGS_TYPE_JAVASCRIPT, IDR_BLOCKED_JAVASCRIPT},
  96     {CONTENT_SETTINGS_TYPE_PLUGINS, IDR_BLOCKED_PLUGINS},
  97     {CONTENT_SETTINGS_TYPE_POPUPS, IDR_BLOCKED_POPUPS},
  98     {CONTENT_SETTINGS_TYPE_MIXEDSCRIPT, IDR_BLOCKED_MIXED_CONTENT},
  99     {CONTENT_SETTINGS_TYPE_PPAPI_BROKER, IDR_BLOCKED_PPAPI_BROKER},
 100     {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, IDR_BLOCKED_DOWNLOADS},
 101   };
 102   static const ContentSettingsTypeIdEntry kBlockedTooltipIDs[] = {
 103     {CONTENT_SETTINGS_TYPE_COOKIES, IDS_BLOCKED_COOKIES_TITLE},
 104     {CONTENT_SETTINGS_TYPE_IMAGES, IDS_BLOCKED_IMAGES_TITLE},
 105     {CONTENT_SETTINGS_TYPE_JAVASCRIPT, IDS_BLOCKED_JAVASCRIPT_TITLE},
 106     {CONTENT_SETTINGS_TYPE_PLUGINS, IDS_BLOCKED_PLUGINS_MESSAGE},
 107     {CONTENT_SETTINGS_TYPE_POPUPS, IDS_BLOCKED_POPUPS_TOOLTIP},
 108     {CONTENT_SETTINGS_TYPE_MIXEDSCRIPT,
 109         IDS_BLOCKED_DISPLAYING_INSECURE_CONTENT},
 110     {CONTENT_SETTINGS_TYPE_PPAPI_BROKER, IDS_BLOCKED_PPAPI_BROKER_TITLE},
 111     {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, IDS_BLOCKED_DOWNLOAD_TITLE},
 112   };
 113   static const ContentSettingsTypeIdEntry kBlockedExplanatoryTextIDs[] = {
 114     {CONTENT_SETTINGS_TYPE_POPUPS, IDS_BLOCKED_POPUPS_EXPLANATORY_TEXT},
 115     {CONTENT_SETTINGS_TYPE_PLUGINS, IDS_BLOCKED_PLUGIN_EXPLANATORY_TEXT},
 116     {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS,
 117         IDS_BLOCKED_DOWNLOADS_EXPLANATION},
 118   };
 119
 120   ContentSettingsType type = get_content_settings_type();
 121   int icon_id = GetIdForContentType(
 122       kBlockedIconIDs, arraysize(kBlockedIconIDs), type);
 123   int tooltip_id = GetIdForContentType(
 124       kBlockedTooltipIDs, arraysize(kBlockedTooltipIDs), type);
 125   int explanation_id = GetIdForContentType(
 126       kBlockedExplanatoryTextIDs, arraysize(kBlockedExplanatoryTextIDs), type);
 127
 128   // For plugins, don't show the animated explanation unless the plugin was
 129   // blocked despite the user's content settings being set to allow it (e.g.
 130   // due to auto-blocking NPAPI plugins).
 131   Profile* profile =
 132       Profile::FromBrowserContext(web_contents->GetBrowserContext());
 133   HostContentSettingsMap* map = profile->GetHostContentSettingsMap();
 134   if (type == CONTENT_SETTINGS_TYPE_PLUGINS) {
 135     GURL url = web_contents->GetURL();
 136     if (map->GetContentSetting(url, url, type, std::string()) !=
 137         CONTENT_SETTING_ALLOW)
 138       explanation_id = 0;
 139   }
 140
 141   // If a content type is blocked by default and was accessed, display the
 142   // content blocked page action.
 143   TabSpecificContentSettings* content_settings =
 144       TabSpecificContentSettings::FromWebContents(web_contents);
 145   if (!content_settings)
 146     return;
 147   if (!content_settings->IsContentBlocked(type)) {
 148     if (!content_settings->IsContentAllowed(type))
 149       return;
 150
 151     // For cookies, only show the cookie blocked page action if cookies are
 152     // blocked by default.
 153     if (type == CONTENT_SETTINGS_TYPE_COOKIES &&
 154         (map->GetDefaultContentSetting(type, NULL) != CONTENT_SETTING_BLOCK))
 155       return;
 156
 157     static const ContentSettingsTypeIdEntry kAccessedIconIDs[] = {
 158       {CONTENT_SETTINGS_TYPE_COOKIES, IDR_ACCESSED_COOKIES},
 159       {CONTENT_SETTINGS_TYPE_PPAPI_BROKER, IDR_BLOCKED_PPAPI_BROKER},
 160       {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, IDR_ALLOWED_DOWNLOADS},
 161     };
 162     static const ContentSettingsTypeIdEntry kAccessedTooltipIDs[] = {
 163       {CONTENT_SETTINGS_TYPE_COOKIES, IDS_ACCESSED_COOKIES_TITLE},
 164       {CONTENT_SETTINGS_TYPE_PPAPI_BROKER, IDS_ALLOWED_PPAPI_BROKER_TITLE},
 165       {CONTENT_SETTINGS_TYPE_AUTOMATIC_DOWNLOADS, IDS_ALLOWED_DOWNLOAD_TITLE},
 166     };
 167     icon_id = GetIdForContentType(
 168         kAccessedIconIDs, arraysize(kAccessedIconIDs), type);
 169     tooltip_id = GetIdForContentType(
 170         kAccessedTooltipIDs, arraysize(kAccessedTooltipIDs), type);
 171     explanation_id = 0;
 172   }
 173   set_visible(true);
 174   DCHECK(icon_id);
 175   set_icon(icon_id);
 176   set_explanatory_string_id(explanation_id);
 177   DCHECK(tooltip_id);
 178   set_tooltip(l10n_util::GetStringUTF8(tooltip_id));
 179 }
 180
 181 ContentSettingGeolocationImageModel::ContentSettingGeolocationImageModel()
 182     : ContentSettingImageModel(CONTENT_SETTINGS_TYPE_GEOLOCATION) {
 183 }
 184
 185 void ContentSettingGeolocationImageModel::UpdateFromWebContents(
 186     WebContents* web_contents) {
 187   set_visible(false);
 188   if (!web_contents)
 189     return;
 190   TabSpecificContentSettings* content_settings =
 191       TabSpecificContentSettings::FromWebContents(web_contents);
 192   if (!content_settings)
 193     return;
 194   const ContentSettingsUsagesState& usages_state = content_settings->
 195       geolocation_usages_state();
 196   if (usages_state.state_map().empty())
 197     return;
 198   set_visible(true);
 199
 200   // If any embedded site has access the allowed icon takes priority over the
 201   // blocked icon.
 202   unsigned int state_flags = 0;
 203   usages_state.GetDetailedInfo(NULL, &state_flags);
 204   bool allowed =
 205       !!(state_flags & ContentSettingsUsagesState::TABSTATE_HAS_ANY_ALLOWED);
 206   set_icon(allowed ? IDR_ALLOWED_LOCATION : IDR_BLOCKED_LOCATION);
 207   set_tooltip(l10n_util::GetStringUTF8(allowed ?
 208       IDS_GEOLOCATION_ALLOWED_TOOLTIP : IDS_GEOLOCATION_BLOCKED_TOOLTIP));
 209 }
 210
 211 ContentSettingMediaImageModel::ContentSettingMediaImageModel(
 212     ContentSettingsType type)
 213     : ContentSettingImageModel(type) {
 214 }
 215
 216 void ContentSettingMediaImageModel::UpdateFromWebContents(
 217     WebContents* web_contents) {
 218   set_visible(false);
 219
 220   // As long as a single icon is used to display the status of the camera and
 221   // microphone usage only display an icon for the
 222   // CONTENT_SETTINGS_TYPE_MEDIASTREAM. Don't display anything for
 223   // CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
 224   // CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA.
 225   // FIXME: Remove this hack and either display a two omnibox icons (one for
 226   // camera and one for microphone), or don't create one image model per
 227   // content type but per icon to display. The later is probably the right
 228   // thing to do, bebacuse this also allows to add more content settings type
 229   // for which no omnibox icon exists.
 230   if (get_content_settings_type() == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC ||
 231       get_content_settings_type() == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA) {
 232     return;
 233   }
 234
 235   // The ContentSettingMediaImageModel must not be used with a content type
 236   // other then: CONTENT_SETTINGS_TYPE_MEDIASTREAM,
 237   // CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
 238   // CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA.
 239   DCHECK_EQ(get_content_settings_type(), CONTENT_SETTINGS_TYPE_MEDIASTREAM);
 240
 241   if (!web_contents)
 242     return;
 243
 244   TabSpecificContentSettings* content_settings =
 245       TabSpecificContentSettings::FromWebContents(web_contents);
 246   if (!content_settings)
 247     return;
 248   TabSpecificContentSettings::MicrophoneCameraState state =
 249       content_settings->GetMicrophoneCameraState();
 250
 251   switch (state) {
 252     case TabSpecificContentSettings::MICROPHONE_CAMERA_NOT_ACCESSED:
 253       // If neither the microphone nor the camera stream was accessed then no
 254       // icon is displayed in the omnibox.
 255       return;
 256     case TabSpecificContentSettings::MICROPHONE_ACCESSED:
 257       set_icon(IDR_ASK_MEDIA);
 258       set_tooltip(l10n_util::GetStringUTF8(IDS_MICROPHONE_ACCESSED));
 259       break;
 260     case TabSpecificContentSettings::CAMERA_ACCESSED:
 261       set_icon(IDR_ASK_MEDIA);
 262       set_tooltip(l10n_util::GetStringUTF8(IDS_CAMERA_ACCESSED));
 263       break;
 264     case TabSpecificContentSettings::MICROPHONE_CAMERA_ACCESSED:
 265       set_icon(IDR_ASK_MEDIA);
 266       set_tooltip(l10n_util::GetStringUTF8(IDS_MICROPHONE_CAMERA_ALLOWED));
 267       break;
 268     case TabSpecificContentSettings::MICROPHONE_BLOCKED:
 269       set_icon(IDR_BLOCKED_MEDIA);
 270       set_tooltip(l10n_util::GetStringUTF8(IDS_MICROPHONE_BLOCKED));
 271       break;
 272     case TabSpecificContentSettings::CAMERA_BLOCKED:
 273       set_icon(IDR_BLOCKED_MEDIA);
 274       set_tooltip(l10n_util::GetStringUTF8(IDS_CAMERA_BLOCKED));
 275       break;
 276     case TabSpecificContentSettings::MICROPHONE_CAMERA_BLOCKED:
 277       set_icon(IDR_BLOCKED_MEDIA);
 278       set_tooltip(l10n_util::GetStringUTF8(IDS_MICROPHONE_CAMERA_BLOCKED));
 279       break;
 280   }
 281   set_visible(true);
 282 }
 283
 284 ContentSettingRPHImageModel::ContentSettingRPHImageModel()
 285     : ContentSettingImageModel(
 286         CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS) {
 287   set_icon(IDR_REGISTER_PROTOCOL_HANDLER);
 288   set_tooltip(l10n_util::GetStringUTF8(IDS_REGISTER_PROTOCOL_HANDLER_TOOLTIP));
 289 }
 290
 291 void ContentSettingRPHImageModel::UpdateFromWebContents(
 292     WebContents* web_contents) {
 293   set_visible(false);
 294   if (!web_contents)
 295     return;
 296
 297   TabSpecificContentSettings* content_settings =
 298       TabSpecificContentSettings::FromWebContents(web_contents);
 299   if (!content_settings)
 300     return;
 301   if (content_settings->pending_protocol_handler().IsEmpty())
 302     return;
 303
 304   set_visible(true);
 305 }
 306
 307 ContentSettingNotificationsImageModel::ContentSettingNotificationsImageModel()
 308     : ContentSettingImageModel(CONTENT_SETTINGS_TYPE_NOTIFICATIONS) {
 309 }
 310
 311 void ContentSettingNotificationsImageModel::UpdateFromWebContents(
 312     WebContents* web_contents) {
 313   // Notifications do not have a bubble.
 314   set_visible(false);
 315 }
 316
 317 ContentSettingMIDISysExImageModel::ContentSettingMIDISysExImageModel()
 318     : ContentSettingImageModel(CONTENT_SETTINGS_TYPE_MIDI_SYSEX) {
 319 }
 320
 321 void ContentSettingMIDISysExImageModel::UpdateFromWebContents(
 322     WebContents* web_contents) {
 323   set_visible(false);
 324   if (!web_contents)
 325     return;
 326   TabSpecificContentSettings* content_settings =
 327       TabSpecificContentSettings::FromWebContents(web_contents);
 328   if (!content_settings)
 329     return;
 330   const ContentSettingsUsagesState& usages_state =
 331       content_settings->midi_usages_state();
 332   if (usages_state.state_map().empty())
 333     return;
 334   set_visible(true);
 335
 336   // If any embedded site has access the allowed icon takes priority over the
 337   // blocked icon.
 338   unsigned int state_flags = 0;
 339   usages_state.GetDetailedInfo(NULL, &state_flags);
 340   bool allowed =
 341       !!(state_flags & ContentSettingsUsagesState::TABSTATE_HAS_ANY_ALLOWED);
 342   set_icon(allowed ? IDR_ALLOWED_MIDI_SYSEX : IDR_BLOCKED_MIDI_SYSEX);
 343   set_tooltip(l10n_util::GetStringUTF8(allowed ?
 344       IDS_MIDI_SYSEX_ALLOWED_TOOLTIP : IDS_MIDI_SYSEX_BLOCKED_TOOLTIP));
 345 }
 346
 347 ContentSettingImageModel::ContentSettingImageModel(
 348     ContentSettingsType content_settings_type)
 349     : content_settings_type_(content_settings_type),
 350       is_visible_(false),
 351       icon_(0),
 352       explanatory_string_id_(0) {
 353 }
 354
 355 // static
 356 ContentSettingImageModel*
 357     ContentSettingImageModel::CreateContentSettingImageModel(
 358     ContentSettingsType content_settings_type) {
 359   switch (content_settings_type) {
 360     case CONTENT_SETTINGS_TYPE_GEOLOCATION:
 361       return new ContentSettingGeolocationImageModel();
 362     case CONTENT_SETTINGS_TYPE_NOTIFICATIONS:
 363       return new ContentSettingNotificationsImageModel();
 364     case CONTENT_SETTINGS_TYPE_PROTOCOL_HANDLERS:
 365       return new ContentSettingRPHImageModel();
 366     case CONTENT_SETTINGS_TYPE_MEDIASTREAM:
 367     case CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC:
 368     case CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA:
 369       return new ContentSettingMediaImageModel(content_settings_type);
 370     case CONTENT_SETTINGS_TYPE_MIDI_SYSEX:
 371       return new ContentSettingMIDISysExImageModel();
 372     default:
 373       return new ContentSettingBlockedImageModel(content_settings_type);
 374   }
 375 }