Beginnings of a new InfoBar system.

chrome/browser/views/infobars/infobars.h

+// Copyright (c) 2006-2008 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_VIEWS_INFOBARS_INFOBARS_H_
+#define CHROME_BROWSER_VIEWS_INFOBARS_INFOBARS_H_
+
+#include "chrome/browser/infobar_delegate.h"
+#include "chrome/views/base_button.h"
+#include "chrome/views/native_button.h"
+
+class InfoBarContainer;
+class SlideAnimation;
+namespace views {
+class Button;
+class ImageView;
+class Label;
+}
+
+// This file contains implementations for some general purpose InfoBars. See
+// chrome/browser/infobar_delegate.h for the delegate interface(s) that you must
+// implement to use these.
+
+class InfoBar : public views::View,
+                public views::BaseButton::ButtonListener,
+                public AnimationDelegate {
+ public:
+  explicit InfoBar(InfoBarDelegate* delegate);
+  virtual ~InfoBar();
+
+  InfoBarDelegate* delegate() const { return delegate_; }
+
+  void set_container(InfoBarContainer* container) { container_ = container; }
+
+  // Starts animating the InfoBar open.
+  void AnimateOpen();
+
+  // Opens the InfoBar immediately.
+  void Open();
+
+  // Starts animating the InfoBar closed. It will not be closed until the
+  // animation has completed, when |Close| will be called.
+  void AnimateClose();
+  
+  // Closes the InfoBar immediately and removes it from its container. Notifies
+  // the delegate that it has closed. The InfoBar is deleted after this function
+  // is called.
+  void Close();
+
+  // Overridden from views::View:
+  virtual gfx::Size GetPreferredSize();
+  virtual void Layout();
+
+ protected:
+  // Returns the available width of the View for use by child view layout,
+  // excluding the close button.
+  virtual int GetAvailableWidth() const;
+
+ private:
+  // Overridden from views::Button::ButtonListener:
+  virtual void ButtonPressed(views::BaseButton* sender);
+
+  // Overridden from AnimationDelegate:
+  virtual void AnimationProgressed(const Animation* animation);
+  virtual void AnimationEnded(const Animation* animation);
+
+  // The InfoBar's container
+  InfoBarContainer* container_;
+
+  // The InfoBar's delegate.
+  InfoBarDelegate* delegate_;
+
+  // The Close Button at the right edge of the InfoBar.
+  views::Button* close_button_;
+
+  // The animation that runs when the InfoBar is opened or closed.
+  scoped_ptr<SlideAnimation> animation_;
+
+  DISALLOW_COPY_AND_ASSIGN(InfoBar);
+};
+
+class AlertInfoBar : public InfoBar {
+ public:
+  explicit AlertInfoBar(AlertInfoBarDelegate* delegate);
+  virtual ~AlertInfoBar();
+
+  // Overridden from views::View:
+  virtual void Layout();
+
+ protected:
+  views::Label* label() const { return label_; }
+  views::ImageView* icon() const { return icon_; }
+
+ private:
+  AlertInfoBarDelegate* GetDelegate();
+
+  views::Label* label_;
+  views::ImageView* icon_;
+
+  DISALLOW_COPY_AND_ASSIGN(AlertInfoBar);
+};
+
+class ConfirmInfoBar : public AlertInfoBar,
+                       public views::NativeButton::Listener {
+ public:
+  explicit ConfirmInfoBar(ConfirmInfoBarDelegate* delegate);
+  virtual ~ConfirmInfoBar();
+
+  // Overridden from views::View:
+  virtual void Layout();
+
+ protected:
+  // Overridden from views::View:
+  virtual void ViewHierarchyChanged(bool is_add,
+                                    views::View* parent,
+                                    views::View* child);
+
+  // Overridden from views::NativeButton::Listener:
+  virtual void ButtonPressed(views::NativeButton* sender);
+
+  // Overridden from InfoBar:
+  virtual int GetAvailableWidth() const;
+
+ private:
+  void Init();
+
+  ConfirmInfoBarDelegate* GetDelegate();
+
+  views::NativeButton* ok_button_;
+  views::NativeButton* cancel_button_;
+
+  bool initialized_;
+
+  DISALLOW_COPY_AND_ASSIGN(ConfirmInfoBar);
+};
+
+
+#endif  // #ifndef CHROME_BROWSER_VIEWS_INFOBARS_INFOBARS_H_