chrome/browser/ui/views/infobars/alternate_nav_infobar_view.h

   1 // Copyright (c) 2011 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 #ifndef CHROME_BROWSER_UI_VIEWS_INFOBARS_ALTERNATE_NAV_INFOBAR_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_ALTERNATE_NAV_INFOBAR_VIEW_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "chrome/browser/ui/views/infobars/infobar_view.h"
  10 #include "ui/views/controls/link_listener.h"
  11
  12 class AlternateNavInfoBarDelegate;
  13
  14 // An infobar that shows a string with an embedded link.
  15 class AlternateNavInfoBarView : public InfoBarView,
  16                                 public views::LinkListener {
  17  public:
  18   explicit AlternateNavInfoBarView(
  19       scoped_ptr<AlternateNavInfoBarDelegate> delegate);
  20   ~AlternateNavInfoBarView() override;
  21
  22  private:
  23   // Treating |labels| as pieces of one continuous string, elides to fit
  24   // |available_width| so as to guarantee that a trailing ellipsis is always
  25   // displayed when the string is elided and there is at least room to display
  26   // a lone ellipsis.
  27   //
  28   // NOTE: This may modify the text of any/all of the labels, so reset their
  29   // texts when the available width changes before calling this again.
  30   static void ElideLabels(Labels* labels, int available_width);
  31
  32   // InfoBarView:
  33   void Layout() override;
  34   void ViewHierarchyChanged(
  35       const ViewHierarchyChangedDetails& details) override;
  36   int ContentMinimumWidth() const override;
  37
  38   // views::LinkListener:
  39   void LinkClicked(views::Link* source, int event_flags) override;
  40
  41   AlternateNavInfoBarDelegate* GetDelegate();
  42
  43   base::string16 label_1_text_;
  44   base::string16 link_text_;
  45   base::string16 label_2_text_;
  46
  47   views::Label* label_1_;
  48   views::Link* link_;
  49   views::Label* label_2_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(AlternateNavInfoBarView);
  52 };
  53
  54 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_ALTERNATE_NAV_INFOBAR_VIEW_H_