chrome/browser/pepper_broker_infobar_delegate.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/pepper_broker_infobar_delegate.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
   9 #include "chrome/browser/infobars/infobar_service.h"
  10 #include "chrome/browser/plugins/plugin_finder.h"
  11 #include "chrome/browser/plugins/plugin_metadata.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/common/pref_names.h"
  14 #include "chrome/grit/generated_resources.h"
  15 #include "components/content_settings/core/browser/host_content_settings_map.h"
  16 #include "components/infobars/core/infobar.h"
  17 #include "content/public/browser/page_navigator.h"
  18 #include "content/public/browser/plugin_service.h"
  19 #include "content/public/browser/user_metrics.h"
  20 #include "content/public/browser/web_contents.h"
  21 #include "content/public/common/referrer.h"
  22 #include "content/public/common/webplugininfo.h"
  23 #include "grit/components_strings.h"
  24 #include "grit/theme_resources.h"
  25 #include "net/base/net_util.h"
  26 #include "ui/base/l10n/l10n_util.h"
  27
  28
  29 // static
  30 void PepperBrokerInfoBarDelegate::Create(
  31     content::WebContents* web_contents,
  32     const GURL& url,
  33     const base::FilePath& plugin_path,
  34     const base::Callback<void(bool)>& callback) {
  35   Profile* profile =
  36       Profile::FromBrowserContext(web_contents->GetBrowserContext());
  37   // TODO(wad): Add ephemeral device ID support for broker in guest mode.
  38   if (profile->IsGuestSession()) {
  39     callback.Run(false);
  40     return;
  41   }
  42
  43   TabSpecificContentSettings* tab_content_settings =
  44       TabSpecificContentSettings::FromWebContents(web_contents);
  45
  46   HostContentSettingsMap* content_settings =
  47       profile->GetHostContentSettingsMap();
  48   ContentSetting setting =
  49       content_settings->GetContentSetting(url, url,
  50                                           CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
  51                                           std::string());
  52
  53   if (setting == CONTENT_SETTING_ASK) {
  54     content::RecordAction(
  55         base::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
  56     InfoBarService* infobar_service =
  57         InfoBarService::FromWebContents(web_contents);
  58     infobar_service->AddInfoBar(infobar_service->CreateConfirmInfoBar(
  59         scoped_ptr<ConfirmInfoBarDelegate>(new PepperBrokerInfoBarDelegate(
  60             url, plugin_path,
  61             profile->GetPrefs()->GetString(prefs::kAcceptLanguages),
  62             content_settings, tab_content_settings, callback))));
  63     return;
  64   }
  65
  66   bool allowed = (setting == CONTENT_SETTING_ALLOW);
  67   content::RecordAction(allowed ?
  68       base::UserMetricsAction("PPAPI.BrokerSettingAllow") :
  69       base::UserMetricsAction("PPAPI.BrokerSettingDeny"));
  70   tab_content_settings->SetPepperBrokerAllowed(allowed);
  71   callback.Run(allowed);
  72 }
  73
  74 PepperBrokerInfoBarDelegate::PepperBrokerInfoBarDelegate(
  75     const GURL& url,
  76     const base::FilePath& plugin_path,
  77     const std::string& languages,
  78     HostContentSettingsMap* content_settings,
  79     TabSpecificContentSettings* tab_content_settings,
  80     const base::Callback<void(bool)>& callback)
  81     : ConfirmInfoBarDelegate(),
  82       url_(url),
  83       plugin_path_(plugin_path),
  84       languages_(languages),
  85       content_settings_(content_settings),
  86       tab_content_settings_(tab_content_settings),
  87       callback_(callback) {
  88 }
  89
  90 PepperBrokerInfoBarDelegate::~PepperBrokerInfoBarDelegate() {
  91   if (!callback_.is_null())
  92     callback_.Run(false);
  93 }
  94
  95 int PepperBrokerInfoBarDelegate::GetIconID() const {
  96   return IDR_INFOBAR_PLUGIN_INSTALL;
  97 }
  98
  99 base::string16 PepperBrokerInfoBarDelegate::GetMessageText() const {
 100   content::PluginService* plugin_service =
 101       content::PluginService::GetInstance();
 102   content::WebPluginInfo plugin;
 103   bool success = plugin_service->GetPluginInfoByPath(plugin_path_, &plugin);
 104   DCHECK(success);
 105   scoped_ptr<PluginMetadata> plugin_metadata(
 106       PluginFinder::GetInstance()->GetPluginMetadata(plugin));
 107   return l10n_util::GetStringFUTF16(IDS_PEPPER_BROKER_MESSAGE,
 108                                     plugin_metadata->name(),
 109                                     net::FormatUrl(url_.GetOrigin(),
 110                                                    languages_));
 111 }
 112
 113 base::string16 PepperBrokerInfoBarDelegate::GetButtonLabel(
 114     InfoBarButton button) const {
 115   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 116       IDS_PEPPER_BROKER_ALLOW_BUTTON : IDS_PEPPER_BROKER_DENY_BUTTON);
 117 }
 118
 119 bool PepperBrokerInfoBarDelegate::Accept() {
 120   DispatchCallback(true);
 121   return true;
 122 }
 123
 124 bool PepperBrokerInfoBarDelegate::Cancel() {
 125   DispatchCallback(false);
 126   return true;
 127 }
 128
 129 base::string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
 130   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 131 }
 132
 133 bool PepperBrokerInfoBarDelegate::LinkClicked(
 134     WindowOpenDisposition disposition) {
 135   GURL learn_more_url("https://support.google.com/chrome/?p=ib_pepper_broker");
 136   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
 137       content::OpenURLParams(
 138           learn_more_url, content::Referrer(),
 139           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 140           ui::PAGE_TRANSITION_LINK, false));
 141   return false;
 142 }
 143
 144 void PepperBrokerInfoBarDelegate::DispatchCallback(bool result) {
 145   content::RecordAction(result ?
 146       base::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow") :
 147       base::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
 148   callback_.Run(result);
 149   callback_ = base::Callback<void(bool)>();
 150   content_settings_->SetContentSetting(
 151       ContentSettingsPattern::FromURLNoWildcard(url_),
 152       ContentSettingsPattern::Wildcard(),
 153       CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
 154       std::string(), result ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
 155   tab_content_settings_->SetPepperBrokerAllowed(result);
 156 }