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// Copyright (c) 2006-2008 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/views/infobars/infobar_container.h"
#include "chrome/browser/tab_contents/infobar_delegate.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/views/frame/browser_view.h"
#include "chrome/browser/views/infobars/infobars.h"
#include "chrome/common/notification_types.h"
// InfoBarContainer, public: ---------------------------------------------------
InfoBarContainer::InfoBarContainer(BrowserView* browser_view)
: browser_view_(browser_view),
tab_contents_(NULL) {
}
InfoBarContainer::~InfoBarContainer() {
// We NULL this pointer before resetting the TabContents to prevent view
// hierarchy modifications from attempting to adjust the BrowserView, which is
// in the process of shutting down.
browser_view_ = NULL;
ChangeTabContents(NULL);
}
void InfoBarContainer::ChangeTabContents(TabContents* contents) {
if (tab_contents_) {
NotificationService::current()->RemoveObserver(
this, NOTIFY_TAB_CONTENTS_INFOBAR_ADDED,
Source<TabContents>(tab_contents_));
NotificationService::current()->RemoveObserver(
this, NOTIFY_TAB_CONTENTS_INFOBAR_REMOVED,
Source<TabContents>(tab_contents_));
}
// No need to delete the child views here, their removal from the view
// hierarchy does this automatically (see InfoBar::InfoBarRemoved).
RemoveAllChildViews(false);
tab_contents_ = contents;
if (tab_contents_) {
UpdateInfoBars();
NotificationService::current()->AddObserver(
this, NOTIFY_TAB_CONTENTS_INFOBAR_ADDED,
Source<TabContents>(tab_contents_));
NotificationService::current()->AddObserver(
this, NOTIFY_TAB_CONTENTS_INFOBAR_REMOVED,
Source<TabContents>(tab_contents_));
}
}
void InfoBarContainer::InfoBarAnimated(bool completed) {
if (browser_view_)
browser_view_->SelectedTabToolbarSizeChanged(!completed);
}
void InfoBarContainer::RemoveDelegate(InfoBarDelegate* delegate) {
tab_contents_->RemoveInfoBar(delegate);
}
// InfoBarContainer, views::View overrides: ------------------------------------
gfx::Size InfoBarContainer::GetPreferredSize() {
// We do not have a preferred width (we will expand to fit the available width
// of the BrowserView). Our preferred height is the sum of the preferred
// heights of the InfoBars contained within us.
int height = 0;
for (int i = 0; i < GetChildViewCount(); ++i)
height += GetChildViewAt(i)->GetPreferredSize().height();
return gfx::Size(0, height);
}
void InfoBarContainer::Layout() {
int top = 0;
for (int i = 0; i < GetChildViewCount(); ++i) {
views::View* child = GetChildViewAt(i);
gfx::Size ps = child->GetPreferredSize();
child->SetBounds(0, top, width(), ps.height());
top += ps.height();
}
}
void InfoBarContainer::ViewHierarchyChanged(bool is_add,
views::View* parent,
views::View* child) {
if (parent == this && child->GetParent() == this && browser_view_) {
// An InfoBar child was added or removed. Tell the BrowserView it needs to
// re-layout since our preferred size will have changed.
browser_view_->SelectedTabToolbarSizeChanged(false);
}
}
// InfoBarContainer, NotificationObserver implementation: ----------------------
void InfoBarContainer::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
if (type == NOTIFY_TAB_CONTENTS_INFOBAR_ADDED) {
AddInfoBar(Details<InfoBarDelegate>(details).ptr());
} else if (type == NOTIFY_TAB_CONTENTS_INFOBAR_REMOVED) {
RemoveInfoBar(Details<InfoBarDelegate>(details).ptr());
} else {
NOTREACHED();
}
}
// InfoBarContainer, private: --------------------------------------------------
void InfoBarContainer::UpdateInfoBars() {
for (int i = 0; i < tab_contents_->infobar_delegate_count(); ++i) {
InfoBarDelegate* delegate = tab_contents_->GetInfoBarDelegateAt(i);
InfoBar* infobar = delegate->CreateInfoBar();
infobar->set_container(this);
AddChildView(infobar);
infobar->Open();
}
}
void InfoBarContainer::AddInfoBar(InfoBarDelegate* delegate) {
InfoBar* infobar = delegate->CreateInfoBar();
infobar->set_container(this);
infobar->AnimateOpen();
AddChildView(infobar);
}
void InfoBarContainer::RemoveInfoBar(InfoBarDelegate* delegate) {
int index = 0;
for (; index < tab_contents_->infobar_delegate_count(); ++index) {
if (tab_contents_->GetInfoBarDelegateAt(index) == delegate)
break;
}
// The View will be removed once the Close animation completes.
static_cast<InfoBar*>(GetChildViewAt(index))->AnimateClose();
}
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