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#include "ui/views/widget/tooltip_manager.h"
6
7#include "ui/gfx/rect.h"
8#include "ui/gfx/screen.h"
9#include "ui/gfx/text_elider.h"
10
11namespace views {
12
13const size_t kMaxTooltipLength = 1024;
14
15// static
16const char TooltipManager::kGroupingPropertyKey[] = "GroupingPropertyKey";
17
18// static
19int TooltipManager::GetMaxWidth(int x, int y, gfx::NativeView context) {
20  return GetMaxWidth(gfx::Screen::GetScreenFor(context)->GetDisplayNearestPoint(
21                         gfx::Point(x, y)));
22}
23
24// static
25int TooltipManager::GetMaxWidth(const gfx::Display& display) {
26  return (display.bounds().width() + 1) / 2;
27}
28
29// static
30void TooltipManager::TrimTooltipText(base::string16* text) {
31  // Clamp the tooltip length to kMaxTooltipLength so that we don't
32  // accidentally DOS the user with a mega tooltip.
33  *text = gfx::TruncateString(*text, kMaxTooltipLength, gfx::WORD_BREAK);
34}
35
36}  // namespace views
37