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      1 // Copyright 2013 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/midi_permission_infobar_delegate.h"
      6 
      7 #include "chrome/browser/content_settings/permission_queue_controller.h"
      8 #include "chrome/browser/content_settings/permission_request_id.h"
      9 #include "chrome/browser/infobars/infobar_service.h"
     10 #include "content/public/browser/navigation_details.h"
     11 #include "content/public/browser/navigation_entry.h"
     12 #include "content/public/browser/web_contents.h"
     13 #include "grit/generated_resources.h"
     14 #include "grit/locale_settings.h"
     15 #include "grit/theme_resources.h"
     16 #include "net/base/net_util.h"
     17 #include "ui/base/l10n/l10n_util.h"
     18 
     19 // static
     20 InfoBarDelegate* MIDIPermissionInfoBarDelegate::Create(
     21     InfoBarService* infobar_service,
     22     PermissionQueueController* controller,
     23     const PermissionRequestID& id,
     24     const GURL& requesting_frame,
     25     const std::string& display_languages) {
     26   return infobar_service->AddInfoBar(scoped_ptr<InfoBarDelegate>(
     27       new MIDIPermissionInfoBarDelegate(infobar_service,
     28                                         controller,
     29                                         id,
     30                                         requesting_frame,
     31                                         display_languages)));
     32 }
     33 
     34 MIDIPermissionInfoBarDelegate::MIDIPermissionInfoBarDelegate(
     35     InfoBarService* infobar_service,
     36     PermissionQueueController* controller,
     37     const PermissionRequestID& id,
     38     const GURL& requesting_frame,
     39     const std::string& display_languages)
     40     : ConfirmInfoBarDelegate(infobar_service),
     41       controller_(controller),
     42       id_(id),
     43       requesting_frame_(requesting_frame),
     44       display_languages_(display_languages) {
     45   const content::NavigationEntry* committed_entry = infobar_service->
     46       web_contents()->GetController().GetLastCommittedEntry();
     47   contents_unique_id_ = committed_entry ? committed_entry->GetUniqueID() : 0;
     48 }
     49 
     50 int MIDIPermissionInfoBarDelegate::GetIconID() const {
     51   return IDR_INFOBAR_MIDI_SYSEX;
     52 }
     53 
     54 InfoBarDelegate::Type MIDIPermissionInfoBarDelegate::GetInfoBarType() const {
     55   return PAGE_ACTION_TYPE;
     56 }
     57 
     58 bool MIDIPermissionInfoBarDelegate::ShouldExpireInternal(
     59     const content::LoadCommittedDetails& details) const {
     60   // This implementation matches InfoBarDelegate::ShouldExpireInternal(), but
     61   // uses the unique ID we set in the constructor instead of that stored in the
     62   // base class.
     63   return (contents_unique_id_ != details.entry->GetUniqueID()) ||
     64       (content::PageTransitionStripQualifier(
     65           details.entry->GetTransitionType()) ==
     66               content::PAGE_TRANSITION_RELOAD);
     67 }
     68 
     69 string16 MIDIPermissionInfoBarDelegate::GetMessageText() const {
     70   return l10n_util::GetStringFUTF16(IDS_MIDI_SYSEX_INFOBAR_QUESTION,
     71       net::FormatUrl(requesting_frame_.GetOrigin(), display_languages_));
     72 }
     73 
     74 string16 MIDIPermissionInfoBarDelegate::GetButtonLabel(
     75     InfoBarButton button) const {
     76   return l10n_util::GetStringUTF16((button == BUTTON_OK) ?
     77       IDS_MIDI_SYSEX_ALLOW_BUTTON : IDS_MIDI_SYSEX_DENY_BUTTON);
     78 }
     79 
     80 bool MIDIPermissionInfoBarDelegate::Accept() {
     81   SetPermission(true, true);
     82   return true;
     83 }
     84 
     85 bool MIDIPermissionInfoBarDelegate::Cancel() {
     86   SetPermission(true, false);
     87   return true;
     88 }
     89 
     90 void MIDIPermissionInfoBarDelegate::SetPermission(bool update_content_setting,
     91                                                   bool allowed) {
     92   controller_->OnPermissionSet(id_, requesting_frame_,
     93                                web_contents()->GetURL(),
     94                                update_content_setting, allowed);
     95 }
     96 
     97