Move RequestPpapiBrokerPermission from WebContentsObserver to WebContentsDelegate.

chrome/browser/pepper_broker_observer.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/pepper_broker_observer.h"
-
-#include "base/memory/scoped_ptr.h"
-#include "chrome/browser/api/infobars/confirm_infobar_delegate.h"
-#include "chrome/browser/content_settings/host_content_settings_map.h"
-#include "chrome/browser/infobars/infobar_tab_helper.h"
-#include "chrome/browser/plugins/plugin_finder.h"
-#include "chrome/browser/plugins/plugin_metadata.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/common/pref_names.h"
-#include "content/public/browser/page_navigator.h"
-#include "content/public/browser/plugin_service.h"
-#include "content/public/browser/user_metrics.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/common/referrer.h"
-#include "grit/generated_resources.h"
-#include "grit/theme_resources.h"
-#include "net/base/net_util.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "webkit/plugins/npapi/plugin_list.h"
-#include "webkit/plugins/webplugininfo.h"
-
-using content::OpenURLParams;
-using content::Referrer;
-using content::WebContents;
-
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(PepperBrokerObserver)
-
-namespace {
-
-// The URL for the "learn more" article about the PPAPI broker.
-const char kPpapiBrokerLearnMoreUrl[] =
-    "https://support.google.com/chrome/?p=ib_pepper_broker";
-
-class PepperBrokerInfoBarDelegate : public ConfirmInfoBarDelegate {
- public:
-  static void Show(
-      content::WebContents* web_contents,
-      const GURL& url,
-      const FilePath& plugin_path,
-      const base::Callback<void(bool)>& callback);
-
-  PepperBrokerInfoBarDelegate(
-      InfoBarTabHelper* helper,
-      const GURL& url,
-      const FilePath& plugin_path,
-      const std::string& languages,
-      HostContentSettingsMap* content_settings,
-      const base::Callback<void(bool)>& callback);
-  virtual ~PepperBrokerInfoBarDelegate();
-
-  // ConfirmInfoBarDelegate:
-  virtual string16 GetMessageText() const OVERRIDE;
-  virtual int GetButtons() const OVERRIDE;
-  virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
-  virtual bool Accept() OVERRIDE;
-  virtual bool Cancel() OVERRIDE;
-  virtual string16 GetLinkText() const OVERRIDE;
-  virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
-  virtual gfx::Image* GetIcon() const OVERRIDE;
-
- private:
-  void DispatchCallback(bool result);
-
-  const GURL url_;
-  const FilePath plugin_path_;
-  const std::string languages_;
-  HostContentSettingsMap* content_settings_;
-  base::Callback<void(bool)> callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperBrokerInfoBarDelegate);
-};
-
-PepperBrokerInfoBarDelegate::PepperBrokerInfoBarDelegate(
-    InfoBarTabHelper* helper,
-    const GURL& url,
-    const FilePath& plugin_path,
-    const std::string& languages,
-    HostContentSettingsMap* content_settings,
-    const base::Callback<void(bool)>& callback)
-    : ConfirmInfoBarDelegate(helper),
-      url_(url),
-      plugin_path_(plugin_path),
-      languages_(languages),
-      content_settings_(content_settings),
-      callback_(callback) {
-}
-
-PepperBrokerInfoBarDelegate::~PepperBrokerInfoBarDelegate() {
-  if (!callback_.is_null())
-    callback_.Run(false);
-}
-
-string16 PepperBrokerInfoBarDelegate::GetMessageText() const {
-  content::PluginService* plugin_service =
-      content::PluginService::GetInstance();
-  webkit::WebPluginInfo plugin;
-  bool success = plugin_service->GetPluginInfoByPath(plugin_path_, &plugin);
-  DCHECK(success);
-  scoped_ptr<PluginMetadata> plugin_metadata(
-      PluginFinder::GetInstance()->GetPluginMetadata(plugin));
-  return l10n_util::GetStringFUTF16(IDS_PEPPER_BROKER_MESSAGE,
-                                    plugin_metadata->name(),
-                                    net::FormatUrl(url_.GetOrigin(),
-                                                   languages_));
-}
-
-int PepperBrokerInfoBarDelegate::GetButtons() const {
-  return BUTTON_OK | BUTTON_CANCEL;
-}
-
-string16 PepperBrokerInfoBarDelegate::GetButtonLabel(
-    InfoBarButton button) const {
-  switch (button) {
-    case BUTTON_OK:
-      return l10n_util::GetStringUTF16(IDS_PEPPER_BROKER_ALLOW_BUTTON);
-    case BUTTON_CANCEL:
-      return l10n_util::GetStringUTF16(IDS_PEPPER_BROKER_DENY_BUTTON);
-    default:
-      NOTREACHED();
-      return string16();
-  }
-}
-
-bool PepperBrokerInfoBarDelegate::Accept() {
-  DispatchCallback(true);
-  return true;
-}
-
-bool PepperBrokerInfoBarDelegate::Cancel() {
-  DispatchCallback(false);
-  return true;
-}
-
-string16 PepperBrokerInfoBarDelegate::GetLinkText() const {
-  return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
-}
-
-bool PepperBrokerInfoBarDelegate::LinkClicked(
-    WindowOpenDisposition disposition) {
-  OpenURLParams params(
-      GURL(kPpapiBrokerLearnMoreUrl), Referrer(),
-      (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
-      content::PAGE_TRANSITION_LINK,
-      false);
-  owner()->GetWebContents()->OpenURL(params);
-  return false;
-}
-
-gfx::Image* PepperBrokerInfoBarDelegate::GetIcon() const {
-  return &ResourceBundle::GetSharedInstance().GetNativeImageNamed(
-      IDR_INFOBAR_PLUGIN_INSTALL);
-}
-
-void PepperBrokerInfoBarDelegate::DispatchCallback(bool result) {
-  content::RecordAction(result ?
-      content::UserMetricsAction("PPAPI.BrokerInfobarClickedAllow") :
-      content::UserMetricsAction("PPAPI.BrokerInfobarClickedDeny"));
-  callback_.Run(result);
-  callback_ = base::Callback<void(bool)>();
-  content_settings_->SetContentSetting(
-      ContentSettingsPattern::FromURLNoWildcard(url_),
-      ContentSettingsPattern::Wildcard(),
-      CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
-      std::string(), result ? CONTENT_SETTING_ALLOW : CONTENT_SETTING_BLOCK);
-}
-
-}  // namespace
-
-PepperBrokerObserver::PepperBrokerObserver(WebContents* web_contents)
-    : WebContentsObserver(web_contents) {}
-
-PepperBrokerObserver::~PepperBrokerObserver() {}
-
-bool PepperBrokerObserver::RequestPpapiBrokerPermission(
-    WebContents* web_contents,
-    const GURL& url,
-    const FilePath& plugin_path,
-    const base::Callback<void(bool)>& callback) {
-  Profile* profile =
-      Profile::FromBrowserContext(web_contents->GetBrowserContext());
-  // TODO(wad): Add ephemeral device ID support for broker in guest mode.
-  if (Profile::IsGuestSession()) {
-    callback.Run(false);
-    return true;
-  }
-
-  HostContentSettingsMap* content_settings =
-      profile->GetHostContentSettingsMap();
-  ContentSetting setting =
-      content_settings->GetContentSetting(url, url,
-                                          CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
-                                          std::string());
-  switch (setting) {
-    case CONTENT_SETTING_ALLOW: {
-      content::RecordAction(
-          content::UserMetricsAction("PPAPI.BrokerSettingAllow"));
-      callback.Run(true);
-      break;
-    }
-    case CONTENT_SETTING_BLOCK: {
-      content::RecordAction(
-          content::UserMetricsAction("PPAPI.BrokerSettingDeny"));
-      callback.Run(false);
-      break;
-    }
-    case CONTENT_SETTING_ASK: {
-      content::RecordAction(
-          content::UserMetricsAction("PPAPI.BrokerInfobarDisplayed"));
-
-      InfoBarTabHelper* infobar_helper =
-          InfoBarTabHelper::FromWebContents(web_contents);
-      std::string languages =
-          profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
-      infobar_helper->AddInfoBar(
-          new PepperBrokerInfoBarDelegate(
-              infobar_helper, url, plugin_path, languages, content_settings,
-              callback));
-      break;
-    }
-    default:
-      NOTREACHED();
-  }
-
-  return true;
-}