aura: Long launcher tooltips should elide at end.

ui/views/controls/label.h

 // Copyright (c) 2012 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 UI_VIEWS_CONTROLS_LABEL_H_
 #define UI_VIEWS_CONTROLS_LABEL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 26 matching lines @@
   // UI's directionality as the label's directionality.
   //
   // If the text originates from a web page, its directionality is determined
   // based on its first character with strong directionality, disregarding what
   // directionality the Chrome UI is.
   enum DirectionalityMode {
     USE_UI_DIRECTIONALITY = 0,
     AUTO_DETECT_DIRECTIONALITY
   };
 
+  enum ElideBehavior {
+    NO_ELIDE,
+    ELIDE_IN_MIDDLE,
+    ELIDE_AT_END,
+  };
+
   // The view class name.
   static const char kViewClassName[];
 
   // The padding for the focus border when rendering focused text.
   static const int kFocusBorderPadding;
 
   Label();
   explicit Label(const string16& text);
   Label(const string16& text, const gfx::Font& font);
   virtual ~Label();
@@ skipping 66 matching lines @@
   // Default is false.
   void SetMultiLine(bool multi_line);
 
   // Returns whether the label text can wrap on multiple lines.
   bool is_multi_line() const { return is_multi_line_; }
 
   // Sets whether the label text can be split on words.
   // Default is false. This only works when is_multi_line is true.
   void SetAllowCharacterBreak(bool allow_character_break);
 
-  // Sets whether the label text should be elided in the middle (if necessary).
-  // The default is to elide at the end.
-  // NOTE: This is not supported for multi-line strings.
-  void SetElideInMiddle(bool elide_in_middle);
+  // Sets whether the label text should be elided in the middle or end (if
+  // necessary). The default is to not elide at all.
+  // NOTE: Eliding in the middle is not supported for multi-line strings.
+  void SetElideBehavior(ElideBehavior elide_behavior);
 
   // Sets the tooltip text.  Default behavior for a label (single-line) is to
   // show the full text if it is wider than its bounds.  Calling this overrides
   // the default behavior and lets you set a custom tooltip.  To revert to
   // default behavior, call this with an empty string.
   void SetTooltipText(const string16& tooltip_text);
 
   // The background color to use when the mouse is over the label. Label
   // takes ownership of the Background.
   void SetMouseOverBackground(Background* background);
@@ skipping 111 matching lines @@
   SkColor requested_enabled_color_;
   SkColor actual_enabled_color_;
   SkColor requested_disabled_color_;
   SkColor actual_disabled_color_;
   SkColor background_color_;
   bool auto_color_readability_;
   mutable gfx::Size text_size_;
   mutable bool text_size_valid_;
   bool is_multi_line_;
   bool allow_character_break_;
-  bool elide_in_middle_;
+  ElideBehavior elide_behavior_;
   bool is_email_;
   Alignment horiz_alignment_;
   string16 tooltip_text_;
   // Whether the mouse is over this label.
   bool contains_mouse_;
   scoped_ptr<Background> mouse_over_background_;
   // Whether to collapse the label when it's not visible.
   bool collapse_when_hidden_;
   // The following member variable is used to control whether the
   // directionality is auto-detected based on first strong directionality
@@ skipping 17 matching lines @@
   // Should a shadow be drawn behind the text?
   bool has_shadow_;
 
 
   DISALLOW_COPY_AND_ASSIGN(Label);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_LABEL_H_