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// Copyright (c) 2010 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.
#include "chrome/browser/chromeos/login/update_view.h"
#include <string>
#include "app/l10n_util.h"
#include "app/resource_bundle.h"
#include "chrome/browser/chromeos/login/rounded_rect_painter.h"
#include "chrome/browser/chromeos/login/screen_observer.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "views/border.h"
#include "views/controls/label.h"
#include "views/controls/progress_bar.h"
#include "views/widget/widget.h"
using views::Background;
using views::Label;
using views::View;
using views::Widget;
namespace {
// Y offset for the 'installing updates' label.
const int kInstallingUpdatesLabelY = 200;
// Y offset for the progress bar.
const int kProgressBarY = 250;
// Progress bar width.
const int kProgressBarWidth = 450;
// Label color.
const SkColor kLabelColor = 0xFF000000;
// Update window should appear for at least kMinimalUpdateTime seconds.
const int kMinimalUpdateTime = 3;
// Progress bar increment step.
const int kUpdateCheckProgressIncrement = 20;
const int kUpdateCompleteProgressIncrement = 75;
} // namespace
namespace chromeos {
UpdateView::UpdateView(chromeos::ScreenObserver* observer)
: installing_updates_label_(NULL),
progress_bar_(NULL),
observer_(observer),
update_result_(UPGRADE_STARTED),
update_error_(GOOGLE_UPDATE_NO_ERROR) {
}
UpdateView::~UpdateView() {
// Google Updater is holding a pointer to us until it reports status,
// so we need to remove it in case we were stll listening.
if (google_updater_.get())
google_updater_->set_status_listener(NULL);
}
void UpdateView::Init() {
// Use rounded-rect background.
views::Painter* painter = chromeos::CreateWizardPainter(
&chromeos::BorderDefinition::kScreenBorder);
set_background(views::Background::CreateBackgroundPainter(true, painter));
ResourceBundle& res_bundle = ResourceBundle::GetSharedInstance();
gfx::Font base_font = res_bundle.GetFont(ResourceBundle::BaseFont);
installing_updates_label_ = new views::Label();
installing_updates_label_->SetColor(kLabelColor);
installing_updates_label_->SetFont(base_font);
installing_updates_label_->SetHorizontalAlignment(views::Label::ALIGN_CENTER);
installing_updates_label_->SetMultiLine(true);
progress_bar_ = new views::ProgressBar();
UpdateLocalizedStrings();
AddChildView(installing_updates_label_);
AddChildView(progress_bar_);
}
void UpdateView::UpdateLocalizedStrings() {
installing_updates_label_->SetText(
l10n_util::GetStringF(IDS_INSTALLING_UPDATE,
l10n_util::GetString(IDS_PRODUCT_OS_NAME)));
}
void UpdateView::Layout() {
int x_center = width() / 2;
int preferred_width = installing_updates_label_->GetPreferredSize().width();
int preferred_height = installing_updates_label_->GetPreferredSize().height();
installing_updates_label_->SetBounds(
x_center - preferred_width / 2,
kInstallingUpdatesLabelY,
preferred_width,
preferred_height);
preferred_width = kProgressBarWidth;
preferred_height = progress_bar_->GetPreferredSize().height();
progress_bar_->SetBounds(
x_center - preferred_width / 2,
kProgressBarY,
preferred_width,
preferred_height);
SchedulePaint();
}
void UpdateView::StartUpdate() {
// Zero progress.
progress_bar_->SetProgress(0);
// Start the minimal update time timer.
DCHECK(!minimal_update_time_timer_.IsRunning());
minimal_update_time_timer_.Start(
base::TimeDelta::FromSeconds(kMinimalUpdateTime),
this,
&UpdateView::OnMinimalUpdateTimeElapsed);
// Create Google Updater object and check if there is an update available.
google_updater_ = new GoogleUpdate();
google_updater_->set_status_listener(this);
google_updater_->CheckForUpdate(false, NULL);
}
void UpdateView::ExitUpdate() {
progress_bar_->SetProgress(100);
if (observer_) {
switch (update_result_) {
case UPGRADE_ALREADY_UP_TO_DATE:
observer_->OnExit(ScreenObserver::UPDATE_NOUPDATE);
break;
case UPGRADE_SUCCESSFUL:
observer_->OnExit(ScreenObserver::UPDATE_INSTALLED);
break;
case UPGRADE_ERROR:
if (update_error_ == GOOGLE_UPDATE_ERROR_UPDATING) {
observer_->OnExit(ScreenObserver::UPDATE_NETWORK_ERROR);
} else {
// TODO(denisromanov): figure out what to do if some other error
// has occurred.
NOTREACHED();
}
break;
default:
NOTREACHED();
}
}
}
void UpdateView::OnMinimalUpdateTimeElapsed() {
if (update_result_ == UPGRADE_SUCCESSFUL ||
update_result_ == UPGRADE_ALREADY_UP_TO_DATE ||
update_result_ == UPGRADE_ERROR) {
ExitUpdate();
}
}
void UpdateView::OnReportResults(GoogleUpdateUpgradeResult result,
GoogleUpdateErrorCode error_code,
const std::wstring& version) {
// Drop the last reference to the object so that it gets cleaned up here.
google_updater_ = NULL;
// Depending on the result decide what to do next.
update_result_ = result;
update_error_ = error_code;
switch (update_result_) {
case UPGRADE_IS_AVAILABLE:
// Advance progress bar.
progress_bar_->AddProgress(kUpdateCheckProgressIncrement);
// Create new Google Updater instance and install the update.
google_updater_ = new GoogleUpdate();
google_updater_->set_status_listener(this);
google_updater_->CheckForUpdate(true, NULL);
break;
case UPGRADE_SUCCESSFUL:
// Advance progress bar.
progress_bar_->AddProgress(kUpdateCompleteProgressIncrement);
// Fall through.
case UPGRADE_ALREADY_UP_TO_DATE:
case UPGRADE_ERROR:
if (minimal_update_time_timer_.IsRunning()) {
// Minimal time required for the update screen to remain visible
// has not yet passed.
progress_bar_->AddProgress(kUpdateCheckProgressIncrement);
} else {
ExitUpdate();
}
break;
default:
NOTREACHED();
}
}
} // namespace chromeos
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