Move infobar handling to a tab helper.

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

Index: chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
index 1d040137eb9be8e31573fae5a16c512c8d2f97f7..0774a51272e916325a2484ef614762bdbb9087c5 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
@@ -6,9 +6,8 @@
 
 #include "base/utf_string_conversions.h"
 
-#include "base/command_line.h"
 #include "base/lazy_instance.h"
-#include "base/utf_string_conversions.h"
+#include "base/stringprintf.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
@@ -20,10 +19,9 @@
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
-#include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/history/history_tab_helper.h"
-#include "chrome/browser/intents/web_intent_data.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/omnibox_search_hint.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager_delegate_impl.h"
@@ -33,17 +31,11 @@
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
-#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/remoting/firewall_traversal_observer.h"
 #include "chrome/browser/renderer_host/web_cache_manager.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
 #include "chrome/browser/safe_browsing/client_side_detection_host.h"
-#include "chrome/browser/sync/glue/synced_tab_delegate.h"
-#include "chrome/browser/tab_contents/infobar.h"
-#include "chrome/browser/tab_contents/infobar_delegate.h"
-#include "chrome/browser/tab_contents/insecure_content_infobar_delegate.h"
-#include "chrome/browser/tab_contents/simple_alert_infobar_delegate.h"
 #include "chrome/browser/tab_contents/tab_contents_ssl_helper.h"
 #include "chrome/browser/tab_contents/thumbnail_generator.h"
 #include "chrome/browser/themes/theme_service.h"
@@ -58,12 +50,8 @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
-#include "content/browser/child_process_security_policy.h"
 #include "content/browser/renderer_host/render_view_host.h"
-#include "content/browser/tab_contents/navigation_details.h"
-#include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
-#include "content/browser/user_metrics.h"
 #include "content/common/notification_service.h"
 #include "content/common/view_messages.h"
 #include "grit/generated_resources.h"
@@ -210,7 +198,6 @@ const size_t kPerScriptFontDefaultsLength = arraysize(kPerScriptFontDefaults);
 TabContentsWrapper::TabContentsWrapper(TabContents* contents)
     : TabContentsObserver(contents),
       delegate_(NULL),
-      infobars_enabled_(true),
       ALLOW_THIS_IN_INITIALIZER_LIST(
           synced_tab_delegate_(new TabContentsWrapperSyncedTabDelegate(this))),
       in_destructor_(false),
@@ -231,6 +218,7 @@ TabContentsWrapper::TabContentsWrapper(TabContents* contents)
   favicon_tab_helper_.reset(new FaviconTabHelper(contents));
   find_tab_helper_.reset(new FindTabHelper(contents));
   history_tab_helper_.reset(new HistoryTabHelper(contents));
+  infobar_tab_helper_.reset(new InfoBarTabHelper(this));
   password_manager_delegate_.reset(new PasswordManagerDelegateImpl(this));
   password_manager_.reset(
       new PasswordManager(contents, password_manager_delegate_.get()));
@@ -293,13 +281,8 @@ TabContentsWrapper::TabContentsWrapper(TabContents* contents)
 TabContentsWrapper::~TabContentsWrapper() {
   in_destructor_ = true;
 
-  // Destroy all remaining InfoBars.  It's important to not animate here so that
-  // we guarantee that we'll delete all delegates before we do anything else.
-  //
-  // TODO(pkasting): If there is no InfoBarContainer, this leaks all the
-  // InfoBarDelegates.  This will be fixed once we call CloseSoon() directly on
-  // Infobars.
-  RemoveAllInfoBars(false);
+  // Need to tear down infobars before the TabContents goes away.
+  infobar_tab_helper_.reset();
 }
 
 PropertyAccessor<TabContentsWrapper*>* TabContentsWrapper::property_accessor() {
@@ -516,8 +499,6 @@ void TabContentsWrapper::RenderViewCreated(RenderViewHost* render_view_host) {
 }
 
 void TabContentsWrapper::RenderViewGone() {
-  RemoveAllInfoBars(true);
-
   // Tell the view that we've crashed so it can prepare the sad tab page.
   // Only do this if we're not in browser shutdown, so that TabContents
   // objects that are not in a browser (e.g., HTML dialogs) and thus are
@@ -539,10 +520,6 @@ bool TabContentsWrapper::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_Snapshot, OnSnapshot)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_PDFHasUnsupportedFeature,
                         OnPDFHasUnsupportedFeature)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockDisplayingInsecureContent,
-                        OnDidBlockDisplayingInsecureContent)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidBlockRunningInsecureContent,
-                        OnDidBlockRunningInsecureContent)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -559,24 +536,6 @@ void TabContentsWrapper::Observe(int type,
                                  const NotificationSource& source,
                                  const NotificationDetails& details) {
   switch (type) {
-    case content::NOTIFICATION_NAV_ENTRY_COMMITTED: {
-      DCHECK(&tab_contents_->controller() ==
-             Source<NavigationController>(source).ptr());
-
-      content::LoadCommittedDetails& committed_details =
-          *(Details<content::LoadCommittedDetails>(details).ptr());
-
-      // NOTE: It is not safe to change the following code to count upwards or
-      // use iterators, as the RemoveInfoBar() call synchronously modifies our
-      // delegate list.
-      for (size_t i = infobars_.size(); i > 0; --i) {
-        InfoBarDelegate* delegate = GetInfoBarDelegateAt(i - 1);
-        if (delegate->ShouldExpire(committed_details))
-          RemoveInfoBar(delegate);
-      }
-
-      break;
-    }
     case chrome::NOTIFICATION_GOOGLE_URL_UPDATED:
       UpdateAlternateErrorPageURL(render_view_host());
       break;
@@ -614,67 +573,6 @@ void TabContentsWrapper::Observe(int type,
   }
 }
 
-void TabContentsWrapper::AddInfoBar(InfoBarDelegate* delegate) {
-  if (!infobars_enabled_) {
-    delegate->InfoBarClosed();
-    return;
-  }
-
-  for (size_t i = 0; i < infobars_.size(); ++i) {
-    if (GetInfoBarDelegateAt(i)->EqualsDelegate(delegate)) {
-      delegate->InfoBarClosed();
-      return;
-    }
-  }
-
-  infobars_.push_back(delegate);
-  NotificationService::current()->Notify(
-      chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_ADDED,
-      Source<TabContentsWrapper>(this), Details<InfoBarAddedDetails>(delegate));
-
-  // Add ourselves as an observer for navigations the first time a delegate is
-  // added. We use this notification to expire InfoBars that need to expire on
-  // page transitions.
-  if (infobars_.size() == 1) {
-    registrar_.Add(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
-                   Source<NavigationController>(&tab_contents_->controller()));
-  }
-}
-
-void TabContentsWrapper::RemoveInfoBar(InfoBarDelegate* delegate) {
-  RemoveInfoBarInternal(delegate, true);
-}
-
-void TabContentsWrapper::ReplaceInfoBar(InfoBarDelegate* old_delegate,
-                                        InfoBarDelegate* new_delegate) {
-  if (!infobars_enabled_) {
-    AddInfoBar(new_delegate);  // Deletes the delegate.
-    return;
-  }
-
-  size_t i;
-  for (i = 0; i < infobars_.size(); ++i) {
-    if (GetInfoBarDelegateAt(i) == old_delegate)
-      break;
-  }
-  DCHECK_LT(i, infobars_.size());
-
-  infobars_.insert(infobars_.begin() + i, new_delegate);
-
-  old_delegate->clear_owner();
-  InfoBarReplacedDetails replaced_details(old_delegate, new_delegate);
-  NotificationService::current()->Notify(
-      chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REPLACED,
-      Source<TabContentsWrapper>(this),
-      Details<InfoBarReplacedDetails>(&replaced_details));
-
-  infobars_.erase(infobars_.begin() + i + 1);
-}
-
-InfoBarDelegate* TabContentsWrapper::GetInfoBarDelegateAt(size_t index) {
-  return infobars_[index];
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Internal helpers
 
@@ -689,33 +587,6 @@ void TabContentsWrapper::OnPDFHasUnsupportedFeature() {
   PDFHasUnsupportedFeature(this);
 }
 
-void TabContentsWrapper::OnDidBlockDisplayingInsecureContent() {
-  // At most one infobar and do not supersede the stronger running content bar.
-  for (size_t i = 0; i < infobars_.size(); ++i) {
-    if (GetInfoBarDelegateAt(i)->AsInsecureContentInfoBarDelegate())
-      return;
-  }
-  AddInfoBar(new InsecureContentInfoBarDelegate(this,
-      InsecureContentInfoBarDelegate::DISPLAY));
-}
-
-void TabContentsWrapper::OnDidBlockRunningInsecureContent() {
-  // At most one infobar superseding any weaker displaying content bar.
-  for (size_t i = 0; i < infobars_.size(); ++i) {
-    InsecureContentInfoBarDelegate* delegate =
-        GetInfoBarDelegateAt(i)->AsInsecureContentInfoBarDelegate();
-    if (delegate) {
-      if (delegate->type() != InsecureContentInfoBarDelegate::RUN) {
-        ReplaceInfoBar(delegate, new InsecureContentInfoBarDelegate(this,
-            InsecureContentInfoBarDelegate::RUN));
-      }
-      return;
-    }
-  }
-  AddInfoBar(new InsecureContentInfoBarDelegate(this,
-      InsecureContentInfoBarDelegate::RUN));
-}
-
 GURL TabContentsWrapper::GetAlternateErrorPageURL() const {
   GURL url;
   // Disable alternate error pages when in Incognito mode.
@@ -766,41 +637,6 @@ void TabContentsWrapper::UpdateSafebrowsingDetectionHost() {
 #endif
 }
 
-void TabContentsWrapper::RemoveInfoBarInternal(InfoBarDelegate* delegate,
-                                               bool animate) {
-  if (!infobars_enabled_) {
-    DCHECK(infobars_.empty());
-    return;
-  }
-
-  size_t i;
-  for (i = 0; i < infobars_.size(); ++i) {
-    if (GetInfoBarDelegateAt(i) == delegate)
-      break;
-  }
-  DCHECK_LT(i, infobars_.size());
-  InfoBarDelegate* infobar = infobars_[i];
-
-  infobar->clear_owner();
-  InfoBarRemovedDetails removed_details(infobar, animate);
-  NotificationService::current()->Notify(
-      chrome::NOTIFICATION_TAB_CONTENTS_INFOBAR_REMOVED,
-      Source<TabContentsWrapper>(this),
-      Details<InfoBarRemovedDetails>(&removed_details));
-
-  infobars_.erase(infobars_.begin() + i);
-  // Remove ourselves as an observer if we are tracking no more InfoBars.
-  if (infobars_.empty()) {
-    registrar_.Remove(this, content::NOTIFICATION_NAV_ENTRY_COMMITTED,
-        Source<NavigationController>(&tab_contents_->controller()));
-  }
-}
-
-void TabContentsWrapper::RemoveAllInfoBars(bool animate) {
-  while (!infobars_.empty())
-    RemoveInfoBarInternal(GetInfoBarDelegateAt(infobar_count() - 1), animate);
-}
-
 void TabContentsWrapper::ExitFullscreenMode() {
   Send(new ViewMsg_ExitFullscreen(routing_id()));
 }