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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/notifications/balloon_collection_impl.h"
#include "base/logging.h"
#include "base/stl_util-inl.h"
#include "chrome/browser/chromeos/notifications/balloon_view.h"
#include "chrome/browser/chromeos/notifications/notification_panel.h"
#include "chrome/browser/notifications/balloon.h"
#include "chrome/browser/notifications/notification.h"
#include "chrome/browser/window_sizer.h"
#include "gfx/rect.h"
#include "gfx/size.h"
namespace {
// Portion of the screen allotted for notifications. When notification balloons
// extend over this, no new notifications are shown until some are closed.
const double kPercentBalloonFillFactor = 0.7;
// Allow at least this number of balloons on the screen.
const int kMinAllowedBalloonCount = 2;
// Margin from the edge of the work area
const int kVerticalEdgeMargin = 5;
const int kHorizontalEdgeMargin = 5;
} // namespace
namespace chromeos {
BalloonCollectionImpl::BalloonCollectionImpl()
: panel_(new NotificationPanel()) {
}
BalloonCollectionImpl::~BalloonCollectionImpl() {
// We need to remove the panel first because deleting
// views that are not owned by parent will not remove
// themselves from the parent.
panel_.reset();
STLDeleteElements(&balloons_);
}
void BalloonCollectionImpl::Add(const Notification& notification,
Profile* profile) {
Balloon* new_balloon = MakeBalloon(notification, profile);
balloons_.push_back(new_balloon);
new_balloon->Show();
panel_->Add(new_balloon);
// There may be no listener in a unit test.
if (space_change_listener_)
space_change_listener_->OnBalloonSpaceChanged();
}
bool BalloonCollectionImpl::Remove(const Notification& notification) {
Balloons::iterator iter;
for (iter = balloons_.begin(); iter != balloons_.end(); ++iter) {
if (notification.IsSame((*iter)->notification())) {
// Balloon.CloseByScript() will cause OnBalloonClosed() to be called on
// this object, which will remove it from the collection and free it.
(*iter)->CloseByScript();
return true;
}
}
return false;
}
bool BalloonCollectionImpl::HasSpace() const {
return true;
}
void BalloonCollectionImpl::ResizeBalloon(Balloon* balloon,
const gfx::Size& size) {
panel_->ResizeNotification(balloon, size);
}
void BalloonCollectionImpl::OnBalloonClosed(Balloon* source) {
// We want to free the balloon when finished.
scoped_ptr<Balloon> closed(source);
panel_->Remove(source);
for (Balloons::iterator it = balloons_.begin(); it != balloons_.end(); ++it) {
if (*it == source) {
balloons_.erase(it);
break;
}
}
// There may be no listener in a unit test.
if (space_change_listener_)
space_change_listener_->OnBalloonSpaceChanged();
}
Balloon* BalloonCollectionImpl::MakeBalloon(const Notification& notification,
Profile* profile) {
Balloon* balloon = new Balloon(notification, profile, this);
balloon->set_view(new chromeos::BalloonViewImpl());
return balloon;
}
} // namespace chromeos
// static
BalloonCollection* BalloonCollection::Create() {
return new chromeos::BalloonCollectionImpl();
}
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