src/chrome/browser/media/media_stream_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/media/media_stream_infobar_delegate.h"
   6
   7 #include "base/logging.h"
   8 #include "base/metrics/histogram.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/infobars/infobar_service.h"
  11 #include "chrome/common/url_constants.h"
  12 #include "components/google/core/browser/google_util.h"
  13 #include "components/infobars/core/infobar.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "grit/generated_resources.h"
  16 #include "grit/theme_resources.h"
  17 #include "ui/base/l10n/l10n_util.h"
  18 #include "url/gurl.h"
  19
  20 namespace {
  21
  22 enum DevicePermissionActions {
  23   kAllowHttps = 0,
  24   kAllowHttp,
  25   kDeny,
  26   kCancel,
  27   kPermissionActionsMax  // Must always be last!
  28 };
  29
  30 }  // namespace
  31
  32 MediaStreamInfoBarDelegate::~MediaStreamInfoBarDelegate() {
  33 }
  34
  35 // static
  36 bool MediaStreamInfoBarDelegate::Create(
  37     content::WebContents* web_contents,
  38     const content::MediaStreamRequest& request,
  39     const content::MediaResponseCallback& callback) {
  40   scoped_ptr<MediaStreamDevicesController> controller(
  41       new MediaStreamDevicesController(web_contents, request, callback));
  42   if (controller->DismissInfoBarAndTakeActionOnSettings())
  43     return false;
  44
  45   InfoBarService* infobar_service =
  46       InfoBarService::FromWebContents(web_contents);
  47   if (!infobar_service) {
  48     // Deny the request if there is no place to show the infobar, e.g. when
  49     // the request comes from a background extension page.
  50     controller->Deny(false, content::MEDIA_DEVICE_INVALID_STATE);
  51     return false;
  52   }
  53
  54   scoped_ptr<infobars::InfoBar> infobar(
  55       ConfirmInfoBarDelegate::CreateInfoBar(scoped_ptr<ConfirmInfoBarDelegate>(
  56           new MediaStreamInfoBarDelegate(controller.Pass()))));
  57   for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
  58     infobars::InfoBar* old_infobar = infobar_service->infobar_at(i);
  59     if (old_infobar->delegate()->AsMediaStreamInfoBarDelegate()) {
  60       infobar_service->ReplaceInfoBar(old_infobar, infobar.Pass());
  61       return true;
  62     }
  63   }
  64   infobar_service->AddInfoBar(infobar.Pass());
  65   return true;
  66 }
  67
  68 MediaStreamInfoBarDelegate::MediaStreamInfoBarDelegate(
  69     scoped_ptr<MediaStreamDevicesController> controller)
  70     : ConfirmInfoBarDelegate(),
  71       controller_(controller.Pass()) {
  72   DCHECK(controller_.get());
  73   DCHECK(controller_->HasAudio() || controller_->HasVideo());
  74 }
  75
  76 void MediaStreamInfoBarDelegate::InfoBarDismissed() {
  77   // Deny the request if the infobar was closed with the 'x' button, since
  78   // we don't want WebRTC to be waiting for an answer that will never come.
  79   UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
  80                             kCancel, kPermissionActionsMax);
  81   controller_->Deny(false, content::MEDIA_DEVICE_PERMISSION_DISMISSED);
  82 }
  83
  84 int MediaStreamInfoBarDelegate::GetIconID() const {
  85   return controller_->HasVideo() ?
  86       IDR_INFOBAR_MEDIA_STREAM_CAMERA : IDR_INFOBAR_MEDIA_STREAM_MIC;
  87 }
  88
  89 infobars::InfoBarDelegate::Type MediaStreamInfoBarDelegate::GetInfoBarType()
  90     const {
  91   return PAGE_ACTION_TYPE;
  92 }
  93
  94 MediaStreamInfoBarDelegate*
  95     MediaStreamInfoBarDelegate::AsMediaStreamInfoBarDelegate() {
  96   return this;
  97 }
  98
  99 base::string16 MediaStreamInfoBarDelegate::GetMessageText() const {
 100   int message_id = IDS_MEDIA_CAPTURE_AUDIO_AND_VIDEO;
 101   if (!controller_->HasAudio())
 102     message_id = IDS_MEDIA_CAPTURE_VIDEO_ONLY;
 103   else if (!controller_->HasVideo())
 104     message_id = IDS_MEDIA_CAPTURE_AUDIO_ONLY;
 105   return l10n_util::GetStringFUTF16(
 106       message_id, base::UTF8ToUTF16(controller_->GetSecurityOriginSpec()));
 107 }
 108
 109 base::string16 MediaStreamInfoBarDelegate::GetButtonLabel(
 110     InfoBarButton button) const {
 111   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 112       IDS_MEDIA_CAPTURE_ALLOW : IDS_MEDIA_CAPTURE_DENY);
 113 }
 114
 115 bool MediaStreamInfoBarDelegate::Accept() {
 116   GURL origin(controller_->GetSecurityOriginSpec());
 117   if (origin.SchemeIsSecure()) {
 118     UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 119                               kAllowHttps, kPermissionActionsMax);
 120   } else {
 121     UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 122                               kAllowHttp, kPermissionActionsMax);
 123   }
 124   controller_->Accept(true);
 125   return true;
 126 }
 127
 128 bool MediaStreamInfoBarDelegate::Cancel() {
 129   UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 130                             kDeny, kPermissionActionsMax);
 131   controller_->Deny(true, content::MEDIA_DEVICE_PERMISSION_DENIED);
 132   return true;
 133 }
 134
 135 base::string16 MediaStreamInfoBarDelegate::GetLinkText() const {
 136   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 137 }
 138
 139 bool MediaStreamInfoBarDelegate::LinkClicked(
 140     WindowOpenDisposition disposition) {
 141   InfoBarService::WebContentsFromInfoBar(infobar())->OpenURL(
 142       content::OpenURLParams(
 143           GURL(chrome::kMediaAccessLearnMoreUrl),
 144           content::Referrer(),
 145           (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 146           content::PAGE_TRANSITION_LINK, false));
 147
 148   return false;  // Do not dismiss the info bar.
 149 }