Reland Extension Installed InfoBubble

chrome/browser/views/info_bubble.h

 // Copyright (c) 2009 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_INFO_BUBBLE_H_
 #define CHROME_BROWSER_VIEWS_INFO_BUBBLE_H_
 
 #include "chrome/browser/views/bubble_border.h"
 
 #if defined(OS_WIN)
@@ skipping 56 matching lines @@
 class InfoBubbleDelegate {
  public:
   // Called when the InfoBubble is closing and is about to be deleted.
   // |closed_by_escape| is true if the close is the result of the user pressing
   // escape.
   virtual void InfoBubbleClosing(InfoBubble* info_bubble,
                                  bool closed_by_escape) = 0;
 
   // Whether the InfoBubble should be closed when the Esc key is pressed.
   virtual bool CloseOnEscape() = 0;
+
+  // Whether the default placement of the anchor is on the origin side of the 
+  // text direction. For example: if true (the default) in LTR text direction,
+  // the ArrowLocation will be TOP_LEFT, if false it will be TOP_RIGHT.
+  // RTL is the reverse.
+  virtual bool PreferOriginSideAnchor() { return true; }
 };
 
 // TODO: this code is ifdef-tastic. It might be cleaner to refactor the
 // WidgetFoo subclass into a separate class that calls into InfoBubble.
 // That way InfoBubble has no (or very few) ifdefs.
 class InfoBubble
 #if defined(OS_WIN)
     : public views::WidgetWin,
 #elif defined(OS_LINUX)
     : public views::WidgetGtk,
 #endif
       public views::AcceleratorTarget {
  public:
   // Shows the InfoBubble.  |parent| is set as the parent window, |contents| are
   // the contents shown in the bubble, and |position_relative_to| is a rect in
   // screen coordinates at which the InfoBubble will point.  Show() takes
   // ownership of |contents| and deletes the created InfoBubble when another
   // window is activated.  You can explicitly close the bubble by invoking
-  // Close().  You may provide an optional |delegate| to be notified when the
-  // InfoBubble is closed and/or to prevent the InfoBubble from being closed
-  // when the Escape key is pressed (the default behavior).
+  // Close().  You may provide an optional |delegate| to:
+  //     - Be notified when the InfoBubble is closed.
+  //     - Prevent the InfoBubble from being closed when the Escape key is
+  //       pressed (the default behavior).
+  //     - Have the InfoBubble prefer to anchor its arrow to the non-origin
+  //       side of text direction. (see comment above
+  //       InfoBubbleDelegate::PreferOriginSideAnchor); .
   static InfoBubble* Show(views::Window* parent,
                           const gfx::Rect& position_relative_to,
                           views::View* contents,
                           InfoBubbleDelegate* delegate);
 
   // Overridden from WidgetWin:
   virtual void Close();
 
   static const SkColor kBackgroundColor;
 
@@ skipping 34 matching lines @@
   scoped_ptr<BorderWidget> border_;
 #endif
 
   // Have we been closed?
   bool closed_;
 
   DISALLOW_COPY_AND_ASSIGN(InfoBubble);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_INFO_BUBBLE_H_