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      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 // static
     24 InfoBarDelegate::NavigationDetails
     25     InfoBarService::NavigationDetailsFromLoadCommittedDetails(
     26         const content::LoadCommittedDetails& details) {
     27   InfoBarDelegate::NavigationDetails navigation_details;
     28   navigation_details.entry_id = details.entry->GetUniqueID();
     29   navigation_details.is_navigation_to_different_page =
     30       details.is_navigation_to_different_page();
     31   navigation_details.did_replace_entry = details.did_replace_entry;
     32   navigation_details.is_main_frame = details.is_main_frame;
     33 
     34   const content::PageTransition transition = details.entry->GetTransitionType();
     35   navigation_details.is_reload =
     36       content::PageTransitionStripQualifier(transition) ==
     37       content::PAGE_TRANSITION_RELOAD;
     38   navigation_details.is_redirect =
     39       (transition & content::PAGE_TRANSITION_IS_REDIRECT_MASK) != 0;
     40 
     41   return navigation_details;
     42 }
     43 
     44 // static
     45 content::WebContents* InfoBarService::WebContentsFromInfoBar(InfoBar* infobar) {
     46   if (!infobar || !infobar->owner())
     47     return NULL;
     48   InfoBarService* infobar_service =
     49       static_cast<InfoBarService*>(infobar->owner());
     50   return infobar_service->web_contents();
     51 }
     52 
     53 InfoBarService::InfoBarService(content::WebContents* web_contents)
     54     : content::WebContentsObserver(web_contents) {
     55   DCHECK(web_contents);
     56 }
     57 
     58 InfoBarService::~InfoBarService() {
     59   ShutDown();
     60 }
     61 
     62 int InfoBarService::GetActiveEntryID() {
     63   content::NavigationEntry* active_entry =
     64       web_contents()->GetController().GetActiveEntry();
     65   return active_entry ? active_entry->GetUniqueID() : 0;
     66 }
     67 
     68 void InfoBarService::NotifyInfoBarAdded(InfoBar* infobar) {
     69   InfoBarManager::NotifyInfoBarAdded(infobar);
     70   // TODO(droger): Remove the notifications and have listeners change to be
     71   // InfoBarManager::Observers instead. See http://crbug.com/354380
     72   content::NotificationService::current()->Notify(
     73       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_ADDED,
     74       content::Source<InfoBarService>(this),
     75       content::Details<InfoBar::AddedDetails>(infobar));
     76 }
     77 
     78 void InfoBarService::NotifyInfoBarRemoved(InfoBar* infobar, bool animate) {
     79   InfoBarManager::NotifyInfoBarRemoved(infobar, animate);
     80   // TODO(droger): Remove the notifications and have listeners change to be
     81   // InfoBarManager::Observers instead. See http://crbug.com/354380
     82   InfoBar::RemovedDetails removed_details(infobar, animate);
     83   content::NotificationService::current()->Notify(
     84       chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
     85       content::Source<InfoBarService>(this),
     86       content::Details<InfoBar::RemovedDetails>(&removed_details));
     87 }
     88 
     89 void InfoBarService::RenderProcessGone(base::TerminationStatus status) {
     90   RemoveAllInfoBars(true);
     91 }
     92 
     93 void InfoBarService::NavigationEntryCommitted(
     94     const content::LoadCommittedDetails& load_details) {
     95   OnNavigation(NavigationDetailsFromLoadCommittedDetails(load_details));
     96 }
     97 
     98 void InfoBarService::WebContentsDestroyed() {
     99   // The WebContents is going away; be aggressively paranoid and delete
    100   // ourselves lest other parts of the system attempt to add infobars or use
    101   // us otherwise during the destruction.
    102   web_contents()->RemoveUserData(UserDataKey());
    103   // That was the equivalent of "delete this". This object is now destroyed;
    104   // returning from this function is the only safe thing to do.
    105 }
    106 
    107 bool InfoBarService::OnMessageReceived(const IPC::Message& message) {
    108   bool handled = true;
    109   IPC_BEGIN_MESSAGE_MAP(InfoBarService, message)
    110     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockDisplayingInsecureContent,
    111                         OnDidBlockDisplayingInsecureContent)
    112     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockRunningInsecureContent,
    113                         OnDidBlockRunningInsecureContent)
    114     IPC_MESSAGE_UNHANDLED(handled = false)
    115   IPC_END_MESSAGE_MAP()
    116   return handled;
    117 }
    118 
    119 void InfoBarService::OnDidBlockDisplayingInsecureContent() {
    120   InsecureContentInfoBarDelegate::Create(
    121       this, InsecureContentInfoBarDelegate::DISPLAY);
    122 }
    123 
    124 void InfoBarService::OnDidBlockRunningInsecureContent() {
    125   InsecureContentInfoBarDelegate::Create(this,
    126                                          InsecureContentInfoBarDelegate::RUN);
    127 }
    128