avatar_menu_button.cc revision c5cede9ae108bb15f6b7a8aea21c7e1fefa2834c 
1// Copyright 2014 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 "chrome/browser/ui/views/profiles/avatar_menu_button.h"
6
7#include "base/command_line.h"
8#include "base/prefs/pref_service.h"
9#include "chrome/browser/browser_process.h"
10#include "chrome/browser/chrome_notification_types.h"
11#include "chrome/browser/profiles/avatar_menu.h"
12#include "chrome/browser/profiles/profile_avatar_icon_util.h"
13#include "chrome/browser/profiles/profile_metrics.h"
14#include "chrome/browser/ui/browser.h"
15#include "chrome/browser/ui/views/frame/browser_view.h"
16#include "chrome/browser/ui/views/profiles/avatar_menu_bubble_view.h"
17#include "chrome/browser/ui/views/profiles/profile_chooser_view.h"
18#include "chrome/common/pref_names.h"
19#include "chrome/common/profile_management_switches.h"
20#include "content/public/browser/notification_service.h"
21#include "ui/gfx/canvas.h"
22#include "ui/views/widget/widget.h"
23
24static inline int Round(double x) {
25  return static_cast<int>(x + 0.5);
26}
27
28// static
29const char AvatarMenuButton::kViewClassName[] = "AvatarMenuButton";
30
31AvatarMenuButton::AvatarMenuButton(Browser* browser, bool disabled)
32    : MenuButton(NULL, base::string16(), this, false),
33      browser_(browser),
34      disabled_(disabled),
35      is_rectangle_(false),
36      old_height_(0) {
37  // In RTL mode, the avatar icon should be looking the opposite direction.
38  EnableCanvasFlippingForRTLUI(true);
39}
40
41AvatarMenuButton::~AvatarMenuButton() {
42}
43
44const char* AvatarMenuButton::GetClassName() const {
45  return kViewClassName;
46}
47
48void AvatarMenuButton::OnPaint(gfx::Canvas* canvas) {
49  if (!icon_.get())
50    return;
51
52  if (old_height_ != height() || button_icon_.isNull()) {
53    old_height_ = height();
54    button_icon_ = *profiles::GetAvatarIconForTitleBar(
55        *icon_, is_rectangle_, width(), height()).ToImageSkia();
56  }
57
58  // Scale the image to fit the width of the button.
59  int dst_width = std::min(button_icon_.width(), width());
60  // Truncate rather than rounding, so that for odd widths we put the extra
61  // pixel on the left.
62  int dst_x = (width() - dst_width) / 2;
63
64  // Scale the height and maintain aspect ratio. This means that the
65  // icon may not fit in the view. That's ok, we just vertically center it.
66  float scale =
67      static_cast<float>(dst_width) / static_cast<float>(button_icon_.width());
68  // Round here so that we minimize the aspect ratio drift.
69  int dst_height = Round(button_icon_.height() * scale);
70  // Round rather than truncating, so that for odd heights we select an extra
71  // pixel below the image center rather than above.  This is because the
72  // incognito image has shadows at the top that make the apparent center below
73  // the real center.
74  int dst_y = Round((height() - dst_height) / 2.0);
75  canvas->DrawImageInt(button_icon_, 0, 0, button_icon_.width(),
76      button_icon_.height(), dst_x, dst_y, dst_width, dst_height, false);
77}
78
79bool AvatarMenuButton::HitTestRect(const gfx::Rect& rect) const {
80  if (disabled_)
81    return false;
82  return views::MenuButton::HitTestRect(rect);
83}
84
85void AvatarMenuButton::SetAvatarIcon(const gfx::Image& icon,
86                                     bool is_rectangle) {
87  icon_.reset(new gfx::Image(icon));
88  button_icon_ = gfx::ImageSkia();
89  is_rectangle_ = is_rectangle;
90  SchedulePaint();
91}
92
93// views::MenuButtonListener implementation
94void AvatarMenuButton::OnMenuButtonClicked(views::View* source,
95                                           const gfx::Point& point) {
96  if (disabled_)
97    return;
98
99  ShowAvatarBubble();
100}
101
102void AvatarMenuButton::ShowAvatarBubble() {
103  gfx::Point origin;
104  views::View::ConvertPointToScreen(this, &origin);
105  gfx::Rect bounds(origin, size());
106  views::BubbleBorder::Arrow arrow = button_on_right_ ?
107      views::BubbleBorder::TOP_RIGHT : views::BubbleBorder::TOP_LEFT;
108  if (switches::IsNewProfileManagement()) {
109    ProfileChooserView::ShowBubble(
110        ProfileChooserView::BUBBLE_VIEW_MODE_PROFILE_CHOOSER,
111        this, arrow, views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR, bounds,
112        browser_);
113  } else {
114    AvatarMenuBubbleView::ShowBubble(
115        this, arrow, views::BubbleBorder::ALIGN_ARROW_TO_MID_ANCHOR, bounds,
116        browser_);
117  }
118
119  ProfileMetrics::LogProfileOpenMethod(ProfileMetrics::ICON_AVATAR_BUBBLE);
120}
121