status_area_view.cc revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2010 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/chromeos/status/status_area_view.h"
6
7#include <algorithm>
8
9#include "chrome/browser/chromeos/status/clock_menu_button.h"
10#include "chrome/browser/chromeos/status/input_method_menu_button.h"
11#include "chrome/browser/chromeos/status/network_menu_button.h"
12#include "chrome/browser/chromeos/status/power_menu_button.h"
13#include "chrome/browser/chromeos/status/status_area_host.h"
14#include "chrome/browser/chromeos/status/window_switcher_button.h"
15#include "ui/gfx/canvas.h"
16
17namespace chromeos {
18
19// Number of pixels to separate each icon.
20const int kSeparation = 1;
21
22StatusAreaView::StatusAreaView(StatusAreaHost* host)
23    : host_(host),
24      clock_view_(NULL),
25      input_method_view_(NULL),
26      network_view_(NULL),
27      power_view_(NULL),
28      window_switcher_view_(NULL) {
29}
30
31void StatusAreaView::Init() {
32  // Clock.
33  clock_view_ = new ClockMenuButton(host_);
34  AddChildView(clock_view_);
35
36  // InputMethod.
37  input_method_view_ = new InputMethodMenuButton(host_);
38  AddChildView(input_method_view_);
39
40  // Network.
41  network_view_ = new NetworkMenuButton(host_);
42  AddChildView(network_view_);
43
44  // Power.
45  power_view_ = new PowerMenuButton();
46  AddChildView(power_view_);
47
48  // Window Switcher.
49  window_switcher_view_ = new WindowSwitcherButton(host_);
50  AddChildView(window_switcher_view_);
51}
52
53gfx::Size StatusAreaView::GetPreferredSize() {
54  int result_w = kSeparation;
55  int result_h = 0;
56  for (int i = 0; i < child_count(); i++) {
57    views::View* cur = GetChildViewAt(i);
58    if (cur->IsVisible()) {
59      gfx::Size cur_size = cur->GetPreferredSize();
60      // Add each width.
61      result_w += cur_size.width() + kSeparation;
62      // Use max height.
63      result_h = std::max(result_h, cur_size.height());
64    }
65  }
66  return gfx::Size(result_w, result_h);
67}
68
69void StatusAreaView::Layout() {
70  int cur_x = kSeparation;
71  for (int i = 0; i < child_count(); i++) {
72    views::View* cur = GetChildViewAt(i);
73    if (cur->IsVisible()) {
74      gfx::Size cur_size = cur->GetPreferredSize();
75      int cur_y = (height() - cur_size.height()) / 2;
76
77      // Handle odd number of pixels.
78      cur_y += (height() - cur_size.height()) % 2;
79
80      // Put next in row horizontally, and center vertically.
81      cur->SetBounds(cur_x, cur_y, cur_size.width(), cur_size.height());
82
83      if (cur_size.width() > 0)
84        cur_x += cur_size.width() + kSeparation;
85    }
86  }
87}
88
89void StatusAreaView::ChildPreferredSizeChanged(View* child) {
90  // When something like the clock menu button's size changes, we need to
91  // relayout. Also mark that this view's size has changed. This will let
92  // BrowserView know to relayout, which will reset the bounds of this view.
93  Layout();
94  PreferredSizeChanged();
95}
96
97void StatusAreaView::MakeButtonsActive(bool active) {
98  clock_view()->set_active(active);
99  input_method_view()->set_active(active);
100  network_view()->set_active(active);
101  power_view()->set_active(active);
102}
103
104}  // namespace chromeos
105