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// Copyright (c) 2011 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/wm_overview_title.h"
#include <vector>
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "chrome/browser/chromeos/drop_shadow_label.h"
#include "chrome/browser/chromeos/wm_ipc.h"
#include "chrome/browser/chromeos/wm_overview_snapshot.h"
#include "chrome/browser/ui/browser_window.h"
#include "third_party/cros/chromeos_wm_ipc_enums.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/x/x11_util.h"
#include "views/border.h"
#include "views/layout/grid_layout.h"
#include "views/view.h"
using std::vector;
using views::ColumnSet;
using views::GridLayout;
using views::View;
using gfx::Font;
#if !defined(OS_CHROMEOS)
#error This file is only meant to be compiled for ChromeOS
#endif
namespace chromeos {
// The padding between the title and the URL, in pixels.
static const int kVerticalPadding = 2;
// This is the size (in pixels) of the drop shadow on the title and url text.
static const int kDropShadowSize = 2;
namespace {
// Finds a font based on the base font that is no taller than the
// given value (well, unless the font at size 1 is taller than the
// given value).
Font FindFontThisHigh(int pixels, Font base) {
Font font(base.GetFontName(), 1);
Font last_font = font;
while (font.GetHeight() < pixels) {
last_font = font;
font = font.DeriveFont(1, Font::BOLD);
}
return last_font;
}
} // Anonymous namespace
WmOverviewTitle::WmOverviewTitle()
: WidgetGtk(TYPE_WINDOW),
title_label_(NULL),
url_label_(NULL) {
}
void WmOverviewTitle::Init(const gfx::Size& size,
WmOverviewSnapshot* snapshot) {
MakeTransparent();
title_label_ = new DropShadowLabel();
title_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
title_label_->SetColor(SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF));
title_label_->SetDropShadowSize(kDropShadowSize);
title_label_->SetFont(FindFontThisHigh(16, title_label_->font()));
url_label_ = new DropShadowLabel();
url_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
url_label_->SetColor(SkColorSetARGB(0x80, 0xFF, 0xFF, 0xFF));
url_label_->SetDropShadowSize(kDropShadowSize);
url_label_->SetFont(FindFontThisHigh(14, title_label_->font()));
// Create a new view to be the host for the grid.
View* view = new View();
GridLayout* layout = new GridLayout(view);
view->SetLayoutManager(layout);
int title_cs_id = 0;
ColumnSet* columns = layout->AddColumnSet(title_cs_id);
columns->AddColumn(GridLayout::FILL, GridLayout::CENTER, 0,
GridLayout::FIXED, size.width(), 0);
layout->StartRow(0, title_cs_id);
layout->AddView(title_label_);
layout->StartRowWithPadding(1, title_cs_id, 0, kVerticalPadding);
layout->AddView(url_label_);
// Realize the widget.
WidgetGtk::Init(NULL, gfx::Rect(size));
// Make the view the contents view for this widget.
SetContentsView(view);
// Set the window type
vector<int> params;
params.push_back(ui::GetX11WindowFromGtkWidget(
GTK_WIDGET(snapshot->GetNativeView())));
WmIpc::instance()->SetWindowType(
GetNativeView(),
WM_IPC_WINDOW_CHROME_TAB_TITLE,
¶ms);
}
void WmOverviewTitle::SetTitle(const string16& title) {
title_label_->SetText(UTF16ToWide(title));
}
void WmOverviewTitle::SetUrl(const GURL& url) {
url_label_->SetURL(url);
}
} // namespace chromeos
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