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// Copyright (c) 2012 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/ui/views/infobars/alternate_nav_infobar_view.h"
#include "base/logging.h"
#include "chrome/browser/ui/omnibox/alternate_nav_infobar_delegate.h"
#include "ui/base/window_open_disposition.h"
#include "ui/gfx/text_elider.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/link.h"
// AlternateNavInfoBarDelegate -------------------------------------------------
// static
scoped_ptr<infobars::InfoBar> AlternateNavInfoBarDelegate::CreateInfoBar(
scoped_ptr<AlternateNavInfoBarDelegate> delegate) {
return make_scoped_ptr(new AlternateNavInfoBarView(delegate.Pass()));
}
// AlternateNavInfoBarView -----------------------------------------------------
AlternateNavInfoBarView::AlternateNavInfoBarView(
scoped_ptr<AlternateNavInfoBarDelegate> delegate)
: InfoBarView(delegate.Pass()),
label_1_(NULL),
link_(NULL),
label_2_(NULL) {
}
AlternateNavInfoBarView::~AlternateNavInfoBarView() {
}
// static
void AlternateNavInfoBarView::ElideLabels(Labels* labels, int available_width) {
views::Label* last_label = labels->back();
labels->pop_back();
int used_width = 0;
for (Labels::iterator i(labels->begin()); i != labels->end(); ++i)
used_width += (*i)->GetPreferredSize().width();
int last_label_width = std::min(last_label->GetPreferredSize().width(),
available_width - used_width);
if (last_label_width < last_label->GetMinimumSize().width()) {
last_label_width = 0;
if (!labels->empty())
labels->back()->SetText(labels->back()->text() + gfx::kEllipsisUTF16);
}
last_label->SetSize(gfx::Size(last_label_width, last_label->height()));
if (!labels->empty())
ElideLabels(labels, available_width - last_label_width);
}
void AlternateNavInfoBarView::Layout() {
InfoBarView::Layout();
label_1_->SetText(label_1_text_);
link_->SetText(link_text_);
label_2_->SetText(label_2_text_);
Labels labels;
labels.push_back(label_1_);
labels.push_back(link_);
labels.push_back(label_2_);
ElideLabels(&labels, EndX() - StartX());
label_1_->SetPosition(gfx::Point(StartX(), OffsetY(label_1_)));
link_->SetPosition(gfx::Point(label_1_->bounds().right(), OffsetY(link_)));
label_2_->SetPosition(gfx::Point(link_->bounds().right(), OffsetY(label_2_)));
}
void AlternateNavInfoBarView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.is_add && (details.child == this) && (label_1_ == NULL)) {
AlternateNavInfoBarDelegate* delegate = GetDelegate();
size_t offset;
base::string16 message_text = delegate->GetMessageTextWithOffset(&offset);
DCHECK_NE(base::string16::npos, offset);
label_1_text_ = message_text.substr(0, offset);
label_1_ = CreateLabel(label_1_text_);
AddChildView(label_1_);
link_text_ = delegate->GetLinkText();
link_ = CreateLink(link_text_, this);
AddChildView(link_);
label_2_text_ = message_text.substr(offset);
label_2_ = CreateLabel(label_2_text_);
AddChildView(label_2_);
}
// This must happen after adding all other children so InfoBarView can ensure
// the close button is the last child.
InfoBarView::ViewHierarchyChanged(details);
}
int AlternateNavInfoBarView::ContentMinimumWidth() const {
int label_1_width = label_1_->GetMinimumSize().width();
return label_1_width ? label_1_width : link_->GetMinimumSize().width();
}
void AlternateNavInfoBarView::LinkClicked(views::Link* source,
int event_flags) {
if (!owner())
return; // We're closing; don't call anything, it might access the owner.
DCHECK(link_ != NULL);
DCHECK_EQ(link_, source);
if (GetDelegate()->LinkClicked(ui::DispositionFromEventFlags(event_flags)))
RemoveSelf();
}
AlternateNavInfoBarDelegate* AlternateNavInfoBarView::GetDelegate() {
return static_cast<AlternateNavInfoBarDelegate*>(delegate());
}
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