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