Split infobar_delegate.[cc,h] into separate pieces for the different classes defined within, so that

chrome/browser/tab_contents/infobar_delegate.h

-// Copyright (c) 2011 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_TAB_CONTENTS_INFOBAR_DELEGATE_H_
-#define CHROME_BROWSER_TAB_CONTENTS_INFOBAR_DELEGATE_H_
-#pragma once
-
-#include "content/browser/tab_contents/infobar_delegate.h"
-
-// An interface derived from InfoBarDelegate implemented by objects wishing to
-// control a LinkInfoBar.
-class LinkInfoBarDelegate : public InfoBarDelegate {
- public:
-  // Returns the message string to be displayed in the InfoBar. |link_offset|
-  // is the position where the link should be inserted.
-  virtual string16 GetMessageTextWithOffset(size_t* link_offset) const = 0;
-
-  // Returns the text of the link to be displayed.
-  virtual string16 GetLinkText() const = 0;
-
-  // Called when the Link is clicked. The |disposition| specifies how the
-  // resulting document should be loaded (based on the event flags present when
-  // the link was clicked). This function returns true if the InfoBar should be
-  // closed now or false if it should remain until the user explicitly closes
-  // it.
-  virtual bool LinkClicked(WindowOpenDisposition disposition);
-
- protected:
-  explicit LinkInfoBarDelegate(TabContents* contents);
-  virtual ~LinkInfoBarDelegate();
-
- private:
-  // InfoBarDelegate:
-  virtual InfoBar* CreateInfoBar();
-  virtual LinkInfoBarDelegate* AsLinkInfoBarDelegate();
-
-  DISALLOW_COPY_AND_ASSIGN(LinkInfoBarDelegate);
-};
-
-// An interface derived from InfoBarDelegate implemented by objects wishing to
-// control a ConfirmInfoBar.
-class ConfirmInfoBarDelegate : public InfoBarDelegate {
- public:
-  enum InfoBarButton {
-    BUTTON_NONE   = 0,
-    BUTTON_OK     = 1 << 0,
-    BUTTON_CANCEL = 1 << 1,
-  };
-
-  // Returns the message string to be displayed for the InfoBar.
-  virtual string16 GetMessageText() const = 0;
-
-  // Return the buttons to be shown for this InfoBar.
-  virtual int GetButtons() const;
-
-  // Return the label for the specified button. The default implementation
-  // returns "OK" for the OK button and "Cancel" for the Cancel button.
-  virtual string16 GetButtonLabel(InfoBarButton button) const;
-
-  // Return whether or not the specified button needs elevation.
-  virtual bool NeedElevation(InfoBarButton button) const;
-
-  // Called when the OK button is pressed. If the function returns true, the
-  // InfoBarDelegate should be removed from the associated TabContents.
-  virtual bool Accept();
-
-  // Called when the Cancel button is pressed.  If the function returns true,
-  // the InfoBarDelegate should be removed from the associated TabContents.
-  virtual bool Cancel();
-
-  // Returns the text of the link to be displayed, if any. Otherwise returns
-  // and empty string.
-  virtual string16 GetLinkText();
-
-  // Called when the Link is clicked. The |disposition| specifies how the
-  // resulting document should be loaded (based on the event flags present when
-  // the link was clicked). This function returns true if the InfoBar should be
-  // closed now or false if it should remain until the user explicitly closes
-  // it.
-  // Will only be called if GetLinkText() returns non-empty string.
-  virtual bool LinkClicked(WindowOpenDisposition disposition);
-
- protected:
-  explicit ConfirmInfoBarDelegate(TabContents* contents);
-  virtual ~ConfirmInfoBarDelegate();
-
- private:
-  // InfoBarDelegate:
-  virtual InfoBar* CreateInfoBar();
-  virtual bool EqualsDelegate(InfoBarDelegate* delegate) const;
-  virtual ConfirmInfoBarDelegate* AsConfirmInfoBarDelegate();
-
-  DISALLOW_COPY_AND_ASSIGN(ConfirmInfoBarDelegate);
-};
-
-// Simple implementations for common use cases ---------------------------------
-
-class SimpleAlertInfoBarDelegate : public ConfirmInfoBarDelegate {
- public:
-  SimpleAlertInfoBarDelegate(TabContents* contents,
-                             SkBitmap* icon,  // May be NULL.
-                             const string16& message,
-                             bool auto_expire);
-
- private:
-  virtual ~SimpleAlertInfoBarDelegate();
-
-  // ConfirmInfoBarDelegate:
-  virtual bool ShouldExpire(
-      const NavigationController::LoadCommittedDetails& details) const;
-  virtual void InfoBarClosed();
-  virtual SkBitmap* GetIcon() const;
-  virtual string16 GetMessageText() const;
-  virtual int GetButtons() const;
-
-  SkBitmap* icon_;
-  string16 message_;
-  bool auto_expire_;  // Should it expire automatically on navigation?
-
-  DISALLOW_COPY_AND_ASSIGN(SimpleAlertInfoBarDelegate);
-};
-
-#endif  // CHROME_BROWSER_TAB_CONTENTS_INFOBAR_DELEGATE_H_