wm_overview_title.cc revision 4a5e2dc747d50c653511c68ccb2cfbfb740bd5a7 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/chromeos/wm_overview_title.h"
6
7#include <vector>
8
9#include "app/x11_util.h"
10#include "base/string16.h"
11#include "base/utf_string_conversions.h"
12#include "chrome/browser/browser_window.h"
13#include "chrome/browser/chromeos/drop_shadow_label.h"
14#include "chrome/browser/chromeos/wm_ipc.h"
15#include "chrome/browser/chromeos/wm_overview_snapshot.h"
16#include "chrome/browser/ui/browser.h"
17#include "cros/chromeos_wm_ipc_enums.h"
18#include "third_party/skia/include/core/SkBitmap.h"
19#include "views/border.h"
20#include "views/grid_layout.h"
21#include "views/view.h"
22
23using std::vector;
24using views::ColumnSet;
25using views::GridLayout;
26using views::View;
27using gfx::Font;
28
29#if !defined(OS_CHROMEOS)
30#error This file is only meant to be compiled for ChromeOS
31#endif
32
33namespace chromeos {
34
35// The padding between the title and the URL, in pixels.
36static const int kVerticalPadding = 2;
37
38// This is the size (in pixels) of the drop shadow on the title and url text.
39static const int kDropShadowSize = 2;
40
41namespace {
42// Finds a font based on the base font that is no taller than the
43// given value (well, unless the font at size 1 is taller than the
44// given value).
45Font FindFontThisHigh(int pixels, Font base) {
46  Font font(base.GetFontName(), 1);
47  Font last_font = font;
48  while (font.GetHeight() < pixels) {
49    last_font = font;
50    font = font.DeriveFont(1, Font::BOLD);
51  }
52  return last_font;
53}
54}  // Anonymous namespace
55
56WmOverviewTitle::WmOverviewTitle()
57  : WidgetGtk(TYPE_WINDOW),
58    title_label_(NULL),
59    url_label_(NULL) {
60}
61
62void WmOverviewTitle::Init(const gfx::Size& size,
63                           WmOverviewSnapshot* snapshot) {
64  MakeTransparent();
65
66  title_label_ = new DropShadowLabel();
67  title_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
68  title_label_->SetColor(SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF));
69  title_label_->SetDropShadowSize(kDropShadowSize);
70  title_label_->SetFont(FindFontThisHigh(16, title_label_->font()));
71
72  url_label_ = new DropShadowLabel();
73  url_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
74  url_label_->SetColor(SkColorSetARGB(0x80, 0xFF, 0xFF, 0xFF));
75  url_label_->SetDropShadowSize(kDropShadowSize);
76  url_label_->SetFont(FindFontThisHigh(14, title_label_->font()));
77
78  // Create a new view to be the host for the grid.
79  View* view = new View();
80  GridLayout* layout = new GridLayout(view);
81  view->SetLayoutManager(layout);
82
83  int title_cs_id = 0;
84  ColumnSet* columns = layout->AddColumnSet(title_cs_id);
85  columns->AddColumn(GridLayout::FILL, GridLayout::CENTER, 0,
86                     GridLayout::FIXED, size.width(), 0);
87
88  layout->StartRow(0, title_cs_id);
89  layout->AddView(title_label_);
90  layout->StartRowWithPadding(1, title_cs_id, 0, kVerticalPadding);
91  layout->AddView(url_label_);
92
93  // Realize the widget.
94  WidgetGtk::Init(NULL, gfx::Rect(size));
95
96  // Make the view the contents view for this widget.
97  SetContentsView(view);
98
99  // Set the window type
100  vector<int> params;
101  params.push_back(x11_util::GetX11WindowFromGtkWidget(
102      GTK_WIDGET(snapshot->GetNativeView())));
103  WmIpc::instance()->SetWindowType(
104      GetNativeView(),
105      WM_IPC_WINDOW_CHROME_TAB_TITLE,
106      &params);
107}
108
109void WmOverviewTitle::SetTitle(const string16& title) {
110  title_label_->SetText(UTF16ToWide(title));
111}
112
113void WmOverviewTitle::SetUrl(const GURL& url) {
114  url_label_->SetURL(url);
115}
116}  // namespace chromeos
117