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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/setting_level_bubble.h"
#include <gdk/gdk.h>
#include "base/timer.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/chromeos/setting_level_bubble_view.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/views/info_bubble.h"
#include "views/widget/root_view.h"
namespace {
const int kBubbleShowTimeoutSec = 2;
const int kAnimationDurationMs = 200;
// Horizontal relative position: 0 - leftmost, 0.5 - center, 1 - rightmost.
const double kBubbleXRatio = 0.5;
// Vertical gap from the bottom of the screen in pixels.
const int kBubbleBottomGap = 30;
} // namespace
namespace chromeos {
// Temporary helper routine. Returns the widget from the most-recently-focused
// normal browser window or NULL.
// TODO(glotov): remove this in favor of enabling InfoBubble class act
// without |parent| specified. crosbug.com/4025
static views::Widget* GetToplevelWidget() {
// We just use the default profile here -- this gets overridden as needed
// in Chrome OS depending on whether the user is logged in or not.
Browser* browser =
BrowserList::FindBrowserWithType(
ProfileManager::GetDefaultProfile(),
Browser::TYPE_NORMAL,
true); // match_incognito
if (!browser)
return NULL;
views::RootView* root =
views::Widget::FindRootView(
GTK_WINDOW(browser->window()->GetNativeHandle()));
DCHECK(root);
if (!root)
return NULL;
return root->GetWidget();
}
SettingLevelBubble::SettingLevelBubble(SkBitmap* increase_icon,
SkBitmap* decrease_icon,
SkBitmap* zero_icon)
: previous_percent_(-1),
current_percent_(-1),
increase_icon_(increase_icon),
decrease_icon_(decrease_icon),
zero_icon_(zero_icon),
bubble_(NULL),
view_(NULL),
animation_(this) {
animation_.SetSlideDuration(kAnimationDurationMs);
animation_.SetTweenType(ui::Tween::LINEAR);
}
void SettingLevelBubble::ShowBubble(int percent) {
if (percent < 0)
percent = 0;
if (percent > 100)
percent = 100;
if (previous_percent_ == -1)
previous_percent_ = percent;
current_percent_ = percent;
SkBitmap* icon = increase_icon_;
if (current_percent_ == 0)
icon = zero_icon_;
else if (current_percent_ < previous_percent_)
icon = decrease_icon_;
if (!bubble_) {
views::Widget* widget = GetToplevelWidget();
if (widget == NULL)
return;
DCHECK(view_ == NULL);
view_ = new SettingLevelBubbleView;
view_->Init(icon, previous_percent_);
// Calculate position of the bubble.
gfx::Rect bounds;
widget->GetBounds(&bounds, false);
const gfx::Size view_size = view_->GetPreferredSize();
// Note that (x, y) is the point of the center of the bubble.
const int x = view_size.width() / 2 +
kBubbleXRatio * (bounds.width() - view_size.width());
const int y = bounds.height() - view_size.height() / 2 - kBubbleBottomGap;
bubble_ = InfoBubble::ShowFocusless(widget, // parent
gfx::Rect(x, y, 0, 20),
BubbleBorder::FLOAT,
view_, // contents
this, // delegate
true); // show while screen is locked
} else {
DCHECK(view_);
timeout_timer_.Stop();
view_->SetIcon(icon);
}
if (animation_.is_animating())
animation_.End();
animation_.Reset();
animation_.Show();
timeout_timer_.Start(base::TimeDelta::FromSeconds(kBubbleShowTimeoutSec),
this, &SettingLevelBubble::OnTimeout);
}
void SettingLevelBubble::HideBubble() {
if (bubble_)
bubble_->Close();
}
void SettingLevelBubble::OnTimeout() {
HideBubble();
}
void SettingLevelBubble::InfoBubbleClosing(InfoBubble* info_bubble, bool) {
DCHECK(info_bubble == bubble_);
timeout_timer_.Stop();
animation_.Stop();
bubble_ = NULL;
view_ = NULL;
}
void SettingLevelBubble::AnimationEnded(const ui::Animation* animation) {
previous_percent_ = current_percent_;
}
void SettingLevelBubble::AnimationProgressed(const ui::Animation* animation) {
if (view_) {
view_->Update(
ui::Tween::ValueBetween(animation->GetCurrentValue(),
previous_percent_,
current_percent_));
}
}
} // namespace chromeos
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