Move Infobars core files to the Infobars component

chrome/browser/infobars/infobar_manager.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_H_
-#define CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_H_
-
-#include <vector>
-
-#include "base/memory/scoped_ptr.h"
-#include "base/observer_list.h"
-#include "chrome/browser/infobars/infobar_delegate.h"
-
-namespace content {
-class WebContents;
-}
-
-class InfoBar;
-
-// Provides access to creating, removing and enumerating info bars
-// attached to a tab.
-class InfoBarManager {
- public:
-  // Observer class for infobar events.
-  class Observer {
-   public:
-    virtual void OnInfoBarAdded(InfoBar* infobar) = 0;
-    virtual void OnInfoBarRemoved(InfoBar* infobar, bool animate) = 0;
-    virtual void OnInfoBarReplaced(InfoBar* old_infobar,
-                                   InfoBar* new_infobar) = 0;
-    virtual void OnManagerShuttingDown(InfoBarManager* manager) = 0;
-  };
-
-  InfoBarManager();
-  virtual ~InfoBarManager();
-
-  // Must be called before destruction.
-  // TODO(droger): Merge this method with the destructor once the virtual calls
-  // for notifications are removed (see http://crbug.com/354380).
-  void ShutDown();
-
-  // Adds the specified |infobar|, which already owns a delegate.
-  //
-  // If infobars are disabled for this tab or the tab already has an infobar
-  // whose delegate returns true for
-  // InfoBarDelegate::EqualsDelegate(infobar->delegate()), |infobar| is deleted
-  // immediately without being added.
-  //
-  // Returns the infobar if it was successfully added.
-  InfoBar* AddInfoBar(scoped_ptr<InfoBar> infobar);
-
-  // Removes the specified |infobar|.  This in turn may close immediately or
-  // animate closed; at the end the infobar will delete itself.
-  //
-  // If infobars are disabled for this tab, this will do nothing, on the
-  // assumption that the matching AddInfoBar() call will have already deleted
-  // the infobar (see above).
-  void RemoveInfoBar(InfoBar* infobar);
-
-  // Removes all the infobars.
-  void RemoveAllInfoBars(bool animate);
-
-  // Replaces one infobar with another, without any animation in between.  This
-  // will result in |old_infobar| being synchronously deleted.
-  //
-  // If infobars are disabled for this tab, |new_infobar| is deleted immediately
-  // without being added, and nothing else happens.
-  //
-  // Returns the new infobar if it was successfully added.
-  //
-  // NOTE: This does not perform any EqualsDelegate() checks like AddInfoBar().
-  InfoBar* ReplaceInfoBar(InfoBar* old_infobar,
-                          scoped_ptr<InfoBar> new_infobar);
-
-  // Returns the number of infobars for this tab.
-  size_t infobar_count() const { return infobars_.size(); }
-
-  // Returns the infobar at the given |index|.  The InfoBarManager retains
-  // ownership.
-  //
-  // Warning: Does not sanity check |index|.
-  InfoBar* infobar_at(size_t index) { return infobars_[index]; }
-
-  // Must be called when a navigation happens.
-  void OnNavigation(const InfoBarDelegate::NavigationDetails& details);
-
-  void AddObserver(Observer* obs);
-  void RemoveObserver(Observer* obs);
-
-  // Returns the active entry ID.
-  virtual int GetActiveEntryID() = 0;
-
- protected:
-  // Notifies the observer in |observer_list_|.
-  // TODO(droger): Absorb these methods back into their callers once virtual
-  // overrides are removed (see http://crbug.com/354380).
-  virtual void NotifyInfoBarAdded(InfoBar* infobar);
-  virtual void NotifyInfoBarRemoved(InfoBar* infobar, bool animate);
-  virtual void NotifyInfoBarReplaced(InfoBar* old_infobar,
-                                     InfoBar* new_infobar);
-
- private:
-  // InfoBars associated with this InfoBarManager.  We own these pointers.
-  // However, this is not a ScopedVector, because we don't delete the infobars
-  // directly once they've been added to this; instead, when we're done with an
-  // infobar, we instruct it to delete itself and then orphan it.  See
-  // RemoveInfoBarInternal().
-  typedef std::vector<InfoBar*> InfoBars;
-
-  void RemoveInfoBarInternal(InfoBar* infobar, bool animate);
-
-  InfoBars infobars_;
-  bool infobars_enabled_;
-
-  ObserverList<Observer, true> observer_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(InfoBarManager);
-};
-
-#endif  // CHROME_BROWSER_INFOBARS_INFOBAR_MANAGER_H_