Revert 188637 "Added text line limits to collapsed and expanded ..."

ui/message_center/views/bounded_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_MESSAGE_CENTER_BOUNDED_LABEL_H_
-#define UI_MESSAGE_CENTER_BOUNDED_LABEL_H_
-
-#include "testing/gtest/include/gtest/gtest_prod.h"
-#include "ui/message_center/message_center_export.h"
-#include "ui/views/controls/label.h"
-
-namespace message_center {
-
-// BoundedLabels display text up to a maximum number of lines, with ellipsis at
-// the end of the last line for any omitted text. The font, text, multiline
-// behavior, character break behavior, elide behavior, and focus border of
-// instances of this views::Label subclass cannot be changed, so the following
-// views::Label methods should never be called with instances of this class:
-//
-//   SetFont()
-//   SetText()
-//   SetMultiLine()
-//   SetAllowCharacterBreak()
-//   SetElideBehavior()
-//   SetHasFocusBorder()
-//
-class MESSAGE_CENTER_EXPORT BoundedLabel : public views::Label {
- public:
-  BoundedLabel(string16 text, size_t max_lines);
-  BoundedLabel(string16 text, gfx::Font font, size_t max_lines);
-  virtual ~BoundedLabel();
-
-  void SetMaxLines(size_t lines);
-  size_t GetMaxLines();
-  size_t GetPreferredLines();
-
-  virtual int GetHeightForWidth(int width) OVERRIDE;
-
- protected:
-  // Overridden from views::Label.
-  virtual gfx::Size GetTextSize() const OVERRIDE;
-  virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
-  virtual void PaintText(gfx::Canvas* canvas,
-                         const string16& text,
-                         const gfx::Rect& text_bounds,
-                         int flags) OVERRIDE;
-
- private:
-  friend class BoundedLabelTest;
-
-  void Init(size_t max_lines);
-  int GetTextFlags() const;
-  int GetTextHeightForWidth(int width) const;
-  std::vector<string16> SplitLines(int width, size_t max_lines) const;
-
-  size_t max_lines_;
-  size_t preferred_lines_;
-  bool is_preferred_lines_valid_;
-  mutable gfx::Size text_size_;
-  mutable bool is_text_size_valid_;
-
-  DISALLOW_COPY_AND_ASSIGN(BoundedLabel);
-};
-
-}  // namespace message_center
-
-#endif // UI_MESSAGE_CENTER_BOUNDED_LABEL_H_