chrome/browser/infobars/infobar_service.cc

   1 // Copyright (c) 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/infobars/infobar_service.h"
   6
   7 #include "base/command_line.h"
   8 #include "chrome/browser/chrome_notification_types.h"
   9 #include "chrome/browser/infobars/insecure_content_infobar_delegate.h"
  10 #include "chrome/common/render_messages.h"
  11 #include "components/infobars/core/infobar.h"
  12 #include "content/public/browser/navigation_details.h"
  13 #include "content/public/browser/navigation_entry.h"
  14 #include "content/public/browser/notification_service.h"
  15 #include "content/public/browser/web_contents.h"
  16
  17 DEFINE_WEB_CONTENTS_USER_DATA_KEY(InfoBarService);
  18
  19 using infobars::InfoBar;
  20 using infobars::InfoBarDelegate;
  21 using infobars::InfoBarManager;
  22
  23 namespace {
  24
  25 bool IsReload(const content::LoadCommittedDetails& details) {
  26   return ui::PageTransitionStripQualifier(
  27       details.entry->GetTransitionType()) == ui::PAGE_TRANSITION_RELOAD;
  28
  29 }
  30
  31 }  // namespace
  32
  33 // static
  34 InfoBarDelegate::NavigationDetails
  35     InfoBarService::NavigationDetailsFromLoadCommittedDetails(
  36         const content::LoadCommittedDetails& details) {
  37   InfoBarDelegate::NavigationDetails navigation_details;
  38   navigation_details.entry_id = details.entry->GetUniqueID();
  39   navigation_details.is_navigation_to_different_page =
  40       details.is_navigation_to_different_page();
  41   navigation_details.did_replace_entry = details.did_replace_entry;
  42   navigation_details.is_main_frame = details.is_main_frame;
  43
  44   const ui::PageTransition transition = details.entry->GetTransitionType();
  45   navigation_details.is_reload = IsReload(details);
  46   navigation_details.is_redirect =
  47       (transition & ui::PAGE_TRANSITION_IS_REDIRECT_MASK) != 0;
  48
  49   return navigation_details;
  50 }
  51
  52 // static
  53 content::WebContents* InfoBarService::WebContentsFromInfoBar(InfoBar* infobar) {
  54   if (!infobar || !infobar->owner())
  55     return NULL;
  56   InfoBarService* infobar_service =
  57       static_cast<InfoBarService*>(infobar->owner());
  58   return infobar_service->web_contents();
  59 }
  60
  61 InfoBarService::InfoBarService(content::WebContents* web_contents)
  62     : content::WebContentsObserver(web_contents),
  63       ignore_next_reload_(false) {
  64   DCHECK(web_contents);
  65 }
  66
  67 InfoBarService::~InfoBarService() {
  68   ShutDown();
  69 }
  70
  71 int InfoBarService::GetActiveEntryID() {
  72   content::NavigationEntry* active_entry =
  73       web_contents()->GetController().GetActiveEntry();
  74   return active_entry ? active_entry->GetUniqueID() : 0;
  75 }
  76
  77 void InfoBarService::NotifyInfoBarAdded(InfoBar* infobar) {
  78   InfoBarManager::NotifyInfoBarAdded(infobar);
  79   // TODO(droger): Remove the notifications and have listeners change to be
  80   // InfoBarManager::Observers instead. See http://crbug.com/354380
  81   content::NotificationService::current()->Notify(
  82       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_ADDED,
  83       content::Source<InfoBarService>(this),
  84       content::Details<InfoBar::AddedDetails>(infobar));
  85 }
  86
  87 void InfoBarService::NotifyInfoBarRemoved(InfoBar* infobar, bool animate) {
  88   InfoBarManager::NotifyInfoBarRemoved(infobar, animate);
  89   // TODO(droger): Remove the notifications and have listeners change to be
  90   // InfoBarManager::Observers instead. See http://crbug.com/354380
  91   InfoBar::RemovedDetails removed_details(infobar, animate);
  92   content::NotificationService::current()->Notify(
  93       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
  94       content::Source<InfoBarService>(this),
  95       content::Details<InfoBar::RemovedDetails>(&removed_details));
  96 }
  97
  98 // InfoBarService::CreateConfirmInfoBar() is implemented in platform-specific
  99 // files.
 100
 101 void InfoBarService::RenderProcessGone(base::TerminationStatus status) {
 102   RemoveAllInfoBars(true);
 103 }
 104
 105 void InfoBarService::DidStartNavigationToPendingEntry(
 106     const GURL& url,
 107     content::NavigationController::ReloadType reload_type) {
 108   ignore_next_reload_ = false;
 109 }
 110
 111 void InfoBarService::NavigationEntryCommitted(
 112     const content::LoadCommittedDetails& load_details) {
 113   const bool ignore = ignore_next_reload_ && IsReload(load_details);
 114   ignore_next_reload_ = false;
 115   if (!ignore)
 116     OnNavigation(NavigationDetailsFromLoadCommittedDetails(load_details));
 117 }
 118
 119 void InfoBarService::WebContentsDestroyed() {
 120   // The WebContents is going away; be aggressively paranoid and delete
 121   // ourselves lest other parts of the system attempt to add infobars or use
 122   // us otherwise during the destruction.
 123   web_contents()->RemoveUserData(UserDataKey());
 124   // That was the equivalent of "delete this". This object is now destroyed;
 125   // returning from this function is the only safe thing to do.
 126 }
 127
 128 bool InfoBarService::OnMessageReceived(const IPC::Message& message) {
 129   bool handled = true;
 130   IPC_BEGIN_MESSAGE_MAP(InfoBarService, message)
 131     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockDisplayingInsecureContent,
 132                         OnDidBlockDisplayingInsecureContent)
 133     IPC_MESSAGE_UNHANDLED(handled = false)
 134   IPC_END_MESSAGE_MAP()
 135   return handled;
 136 }
 137
 138 void InfoBarService::OnDidBlockDisplayingInsecureContent() {
 139   InsecureContentInfoBarDelegate::Create(this);
 140 }