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/google/google_util.h"
  11 #include "chrome/browser/infobars/infobar_service.h"
  12 #include "chrome/common/url_constants.h"
  13 #include "content/public/browser/web_contents.h"
  14 #include "grit/generated_resources.h"
  15 #include "grit/theme_resources.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17 #include "url/gurl.h"
  18
  19 namespace {
  20
  21 enum DevicePermissionActions {
  22   kAllowHttps = 0,
  23   kAllowHttp,
  24   kDeny,
  25   kCancel,
  26   kPermissionActionsMax  // Must always be last!
  27 };
  28
  29 }  // namespace
  30
  31 MediaStreamInfoBarDelegate::~MediaStreamInfoBarDelegate() {
  32 }
  33
  34 // static
  35 bool MediaStreamInfoBarDelegate::Create(
  36     content::WebContents* web_contents,
  37     const content::MediaStreamRequest& request,
  38     const content::MediaResponseCallback& callback) {
  39   scoped_ptr<MediaStreamDevicesController> controller(
  40       new MediaStreamDevicesController(web_contents, request, callback));
  41   if (controller->DismissInfoBarAndTakeActionOnSettings())
  42     return false;
  43
  44   InfoBarService* infobar_service =
  45       InfoBarService::FromWebContents(web_contents);
  46   if (!infobar_service) {
  47     // Deny the request if there is no place to show the infobar, e.g. when
  48     // the request comes from a background extension page.
  49     controller->Deny(false);
  50     return false;
  51   }
  52
  53   scoped_ptr<InfoBarDelegate> infobar(
  54       new MediaStreamInfoBarDelegate(infobar_service, controller.Pass()));
  55   for (size_t i = 0; i < infobar_service->infobar_count(); ++i) {
  56     InfoBarDelegate* old_infobar =
  57         infobar_service->infobar_at(i)->AsMediaStreamInfoBarDelegate();
  58     if (old_infobar) {
  59       infobar_service->ReplaceInfoBar(old_infobar, infobar.Pass());
  60       return true;
  61     }
  62   }
  63   infobar_service->AddInfoBar(infobar.Pass());
  64   return true;
  65 }
  66
  67 MediaStreamInfoBarDelegate::MediaStreamInfoBarDelegate(
  68     InfoBarService* infobar_service,
  69     scoped_ptr<MediaStreamDevicesController> controller)
  70     : ConfirmInfoBarDelegate(infobar_service),
  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);
  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 InfoBarDelegate::Type MediaStreamInfoBarDelegate::GetInfoBarType() const {
  90   return PAGE_ACTION_TYPE;
  91 }
  92
  93 MediaStreamInfoBarDelegate*
  94     MediaStreamInfoBarDelegate::AsMediaStreamInfoBarDelegate() {
  95   return this;
  96 }
  97
  98 string16 MediaStreamInfoBarDelegate::GetMessageText() const {
  99   int message_id = IDS_MEDIA_CAPTURE_AUDIO_AND_VIDEO;
 100   if (!controller_->HasAudio())
 101     message_id = IDS_MEDIA_CAPTURE_VIDEO_ONLY;
 102   else if (!controller_->HasVideo())
 103     message_id = IDS_MEDIA_CAPTURE_AUDIO_ONLY;
 104   return l10n_util::GetStringFUTF16(
 105       message_id, UTF8ToUTF16(controller_->GetSecurityOriginSpec()));
 106 }
 107
 108 string16 MediaStreamInfoBarDelegate::GetButtonLabel(
 109     InfoBarButton button) const {
 110   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
 111       IDS_MEDIA_CAPTURE_ALLOW : IDS_MEDIA_CAPTURE_DENY);
 112 }
 113
 114 bool MediaStreamInfoBarDelegate::Accept() {
 115   GURL origin(controller_->GetSecurityOriginSpec());
 116   if (origin.SchemeIsSecure()) {
 117     UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 118                               kAllowHttps, kPermissionActionsMax);
 119   } else {
 120     UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 121                               kAllowHttp, kPermissionActionsMax);
 122   }
 123   controller_->Accept(true);
 124   return true;
 125 }
 126
 127 bool MediaStreamInfoBarDelegate::Cancel() {
 128   UMA_HISTOGRAM_ENUMERATION("Media.DevicePermissionActions",
 129                             kDeny, kPermissionActionsMax);
 130   controller_->Deny(true);
 131   return true;
 132 }
 133
 134 string16 MediaStreamInfoBarDelegate::GetLinkText() const {
 135   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 136 }
 137
 138 bool MediaStreamInfoBarDelegate::LinkClicked(
 139     WindowOpenDisposition disposition) {
 140   web_contents()->OpenURL(content::OpenURLParams(
 141       google_util::AppendGoogleLocaleParam(
 142           GURL(chrome::kMediaAccessLearnMoreUrl)),
 143       content::Referrer(),
 144       (disposition == CURRENT_TAB) ? NEW_FOREGROUND_TAB : disposition,
 145       content::PAGE_TRANSITION_LINK,
 146       false));
 147
 148   return false;  // Do not dismiss the info bar.
 149 }