update_view.cc revision c407dc5cd9bdc5668497f21b26b09d988ab439de 
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/login/update_view.h"
6
7#include <string>
8
9#include "app/l10n_util.h"
10#include "app/resource_bundle.h"
11#include "chrome/browser/chromeos/login/rounded_rect_painter.h"
12#include "chrome/browser/chromeos/login/update_screen.h"
13#include "grit/chromium_strings.h"
14#include "grit/generated_resources.h"
15#include "views/border.h"
16#include "views/controls/label.h"
17#include "views/controls/progress_bar.h"
18#include "views/focus/focus_manager.h"
19#include "views/widget/widget.h"
20
21using views::Background;
22using views::Label;
23using views::View;
24using views::Widget;
25
26namespace {
27
28// Y offset for the 'installing updates' label.
29const int kInstallingUpdatesLabelY = 200;
30// Y offset for the progress bar.
31const int kProgressBarY = 250;
32// Y offset for the 'ESCAPE to skip' label.
33const int kEscapeToSkipLabelY = 290;
34// Progress bar width.
35const int kProgressBarWidth = 450;
36// Horizontal spacing (ex. min left and right margins for label on the screen).
37const int kHorizontalSpacing = 25;
38
39// Label color.
40const SkColor kLabelColor = 0xFF000000;
41const SkColor kSkipLabelColor = 0xFFAA0000;
42
43}  // namespace
44
45namespace chromeos {
46
47UpdateView::UpdateView(chromeos::ScreenObserver* observer)
48    : escape_accelerator_(base::VKEY_ESCAPE, false, false, false),
49      installing_updates_label_(NULL),
50      progress_bar_(NULL),
51      observer_(observer) {
52}
53
54UpdateView::~UpdateView() {
55}
56
57void UpdateView::Init() {
58  // Use rounded-rect background.
59  views::Painter* painter = chromeos::CreateWizardPainter(
60      &chromeos::BorderDefinition::kScreenBorder);
61  set_background(views::Background::CreateBackgroundPainter(true, painter));
62
63  ResourceBundle& res_bundle = ResourceBundle::GetSharedInstance();
64  gfx::Font base_font = res_bundle.GetFont(ResourceBundle::BaseFont);
65
66  InitLabel(&installing_updates_label_);
67  installing_updates_label_->SetFont(base_font);
68
69  progress_bar_ = new views::ProgressBar();
70  AddChildView(progress_bar_);
71
72  UpdateLocalizedStrings();
73
74#if !defined(OFFICIAL_BUILD)
75  escape_to_skip_label_ = new views::Label();
76  escape_to_skip_label_->SetColor(kSkipLabelColor);
77  escape_to_skip_label_->SetFont(base_font);
78  escape_to_skip_label_->SetText(
79      L"Press ESCAPE to skip (Non-official builds only)");
80  AddChildView(escape_to_skip_label_);
81#endif
82}
83
84void UpdateView::Reset() {
85  progress_bar_->SetProgress(0);
86#if !defined(OFFICIAL_BUILD)
87  AddAccelerator(escape_accelerator_);
88#endif
89}
90
91void UpdateView::UpdateLocalizedStrings() {
92  installing_updates_label_->SetText(
93      l10n_util::GetStringF(IDS_INSTALLING_UPDATE,
94                            l10n_util::GetString(IDS_PRODUCT_OS_NAME)));
95}
96
97void UpdateView::AddProgress(int ticks) {
98  progress_bar_->AddProgress(ticks);
99}
100
101// Sets the bounds of the view, placing it at the center of the screen
102// with the |y| coordinate provided. |width| could specify desired view width
103// otherwise preferred width/height are used.
104// |x_center| specifies screen center.
105static void setViewBounds(
106    views::View* view, int x_center, int y, int width = -1) {
107  int preferred_width = (width >= 0) ? width : view->GetPreferredSize().width();
108  int preferred_height = view->GetPreferredSize().height();
109  view->SetBounds(
110      x_center - preferred_width / 2,
111      y,
112      preferred_width,
113      preferred_height);
114}
115
116void UpdateView::Layout() {
117  int x_center = width() / 2;
118  int max_width = width() - GetInsets().width() - 2 * kHorizontalSpacing;
119  installing_updates_label_->SizeToFit(max_width);
120  setViewBounds(installing_updates_label_, x_center, kInstallingUpdatesLabelY);
121  setViewBounds(progress_bar_, x_center, kProgressBarY, kProgressBarWidth);
122#if !defined(OFFICIAL_BUILD)
123  setViewBounds(escape_to_skip_label_, x_center, kEscapeToSkipLabelY);
124#endif
125  SchedulePaint();
126}
127
128bool UpdateView::AcceleratorPressed(const views::Accelerator& a) {
129#if !defined(OFFICIAL_BUILD)
130  RemoveAccelerator(escape_accelerator_);
131  if (a.GetKeyCode() == base::VKEY_ESCAPE) {
132    if (controller_ != NULL) {
133      controller_->CancelUpdate();
134    }
135    return true;
136  }
137#endif
138  return false;
139}
140
141void UpdateView::InitLabel(views::Label** label) {
142  *label = new views::Label();
143  (*label)->SetColor(kLabelColor);
144  (*label)->SetHorizontalAlignment(views::Label::ALIGN_CENTER);
145  (*label)->SetMultiLine(true);
146  AddChildView(*label);
147}
148
149}  // namespace chromeos
150