1// Copyright (c) 2012 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/ui/views/frame/browser_frame.h"
6
7#include "ash/shell.h"
8#include "base/command_line.h"
9#include "base/i18n/rtl.h"
10#include "chrome/browser/app_mode/app_mode_utils.h"
11#include "chrome/browser/themes/theme_service.h"
12#include "chrome/browser/themes/theme_service_factory.h"
13#include "chrome/browser/ui/browser.h"
14#include "chrome/browser/ui/browser_list.h"
15#include "chrome/browser/ui/browser_window_state.h"
16#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
17#include "chrome/browser/ui/views/frame/browser_root_view.h"
18#include "chrome/browser/ui/views/frame/browser_view.h"
19#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
20#include "chrome/browser/ui/views/frame/native_browser_frame.h"
21#include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
22#include "chrome/browser/ui/views/frame/system_menu_model_builder.h"
23#include "chrome/browser/ui/views/frame/top_container_view.h"
24#include "chrome/browser/web_applications/web_app.h"
25#include "chrome/common/chrome_switches.h"
26#include "ui/aura/root_window.h"
27#include "ui/aura/window.h"
28#include "ui/base/hit_test.h"
29#include "ui/base/theme_provider.h"
30#include "ui/gfx/font.h"
31#include "ui/gfx/screen.h"
32#include "ui/views/controls/menu/menu_runner.h"
33#include "ui/views/widget/native_widget.h"
34
35#if defined(OS_WIN) && !defined(USE_AURA)
36#include "chrome/browser/ui/views/frame/glass_browser_frame_view.h"
37#include "ui/views/widget/native_widget_win.h"
38#endif
39
40#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
41#include "chrome/browser/shell_integration_linux.h"
42#endif
43
44#if defined(USE_ASH)
45#include "chrome/browser/ui/ash/ash_init.h"
46#endif
47
48#if defined(OS_CHROMEOS)
49#include "ash/session_state_delegate.h"
50#endif
51
52////////////////////////////////////////////////////////////////////////////////
53// BrowserFrame, public:
54
55BrowserFrame::BrowserFrame(BrowserView* browser_view)
56    : native_browser_frame_(NULL),
57      root_view_(NULL),
58      browser_frame_view_(NULL),
59      browser_view_(browser_view),
60      theme_provider_(ThemeServiceFactory::GetForProfile(
61                          browser_view_->browser()->profile())) {
62  browser_view_->set_frame(this);
63  set_is_secondary_widget(false);
64  // Don't focus anything on creation, selecting a tab will set the focus.
65  set_focus_on_creation(false);
66}
67
68BrowserFrame::~BrowserFrame() {
69}
70
71// static
72const gfx::Font& BrowserFrame::GetTitleFont() {
73#if !defined(OS_WIN) || defined(USE_AURA)
74  static gfx::Font* title_font = new gfx::Font;
75#else
76  static gfx::Font* title_font =
77      new gfx::Font(views::NativeWidgetWin::GetWindowTitleFont());
78#endif
79  return *title_font;
80}
81
82void BrowserFrame::InitBrowserFrame() {
83  native_browser_frame_ =
84      NativeBrowserFrameFactory::CreateNativeBrowserFrame(this, browser_view_);
85  views::Widget::InitParams params;
86  params.delegate = browser_view_;
87  params.native_widget = native_browser_frame_->AsNativeWidget();
88  if (browser_view_->browser()->is_type_tabbed()) {
89    // Typed panel/popup can only return a size once the widget has been
90    // created.
91    chrome::GetSavedWindowBoundsAndShowState(browser_view_->browser(),
92                                             &params.bounds,
93                                             &params.show_state);
94  }
95#if defined(USE_ASH)
96  if (browser_view_->browser()->host_desktop_type() ==
97      chrome::HOST_DESKTOP_TYPE_ASH || chrome::ShouldOpenAshOnStartup()) {
98    params.context = ash::Shell::GetPrimaryRootWindow();
99#if defined(OS_WIN)
100   // If this window is under ASH on Windows, we need it to be translucent.
101   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
102#endif
103  }
104#endif
105
106#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
107  // Set up a custom WM_CLASS for some sorts of window types. This allows
108  // task switchers in X11 environments to distinguish between main browser
109  // windows and e.g app windows.
110  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
111  const Browser& browser = *browser_view_->browser();
112  params.wm_class_class = ShellIntegrationLinux::GetProgramClassName();
113  params.wm_class_name = params.wm_class_class;
114  if (browser.is_app() && !browser.is_devtools()) {
115    // This window is a hosted app or v1 packaged app.
116    // NOTE: v2 packaged app windows are created by NativeAppWindowViews.
117    params.wm_class_name = web_app::GetWMClassFromAppName(browser.app_name());
118  } else if (command_line.HasSwitch(switches::kUserDataDir)) {
119    // Set the class name to e.g. "Chrome (/tmp/my-user-data)".  The
120    // class name will show up in the alt-tab list in gnome-shell if
121    // you're running a binary that doesn't have a matching .desktop
122    // file.
123    const std::string user_data_dir =
124        command_line.GetSwitchValueNative(switches::kUserDataDir);
125    params.wm_class_name += " (" + user_data_dir + ")";
126  }
127  const char kX11WindowRoleBrowser[] = "browser";
128  const char kX11WindowRolePopup[] = "pop-up";
129  params.wm_role_name = browser_view_->browser()->is_type_tabbed() ?
130      std::string(kX11WindowRoleBrowser) : std::string(kX11WindowRolePopup);
131#endif  // defined(OS_LINUX)
132
133  Init(params);
134
135  if (!native_browser_frame_->UsesNativeSystemMenu()) {
136    DCHECK(non_client_view());
137    non_client_view()->set_context_menu_controller(this);
138  }
139}
140
141void BrowserFrame::SetThemeProvider(scoped_ptr<ui::ThemeProvider> provider) {
142  owned_theme_provider_ = provider.Pass();
143  theme_provider_ = owned_theme_provider_.get();
144}
145
146int BrowserFrame::GetMinimizeButtonOffset() const {
147  return native_browser_frame_->GetMinimizeButtonOffset();
148}
149
150gfx::Rect BrowserFrame::GetBoundsForTabStrip(views::View* tabstrip) const {
151  return browser_frame_view_->GetBoundsForTabStrip(tabstrip);
152}
153
154int BrowserFrame::GetTopInset() const {
155  return browser_frame_view_->GetTopInset();
156}
157
158int BrowserFrame::GetThemeBackgroundXInset() const {
159  return browser_frame_view_->GetThemeBackgroundXInset();
160}
161
162void BrowserFrame::UpdateThrobber(bool running) {
163  browser_frame_view_->UpdateThrobber(running);
164}
165
166views::View* BrowserFrame::GetFrameView() const {
167  return browser_frame_view_;
168}
169
170///////////////////////////////////////////////////////////////////////////////
171// BrowserFrame, views::Widget overrides:
172
173views::internal::RootView* BrowserFrame::CreateRootView() {
174  root_view_ = new BrowserRootView(browser_view_, this);
175  return root_view_;
176}
177
178views::NonClientFrameView* BrowserFrame::CreateNonClientFrameView() {
179  browser_frame_view_ =
180      chrome::CreateBrowserNonClientFrameView(this, browser_view_);
181  return browser_frame_view_;
182}
183
184bool BrowserFrame::GetAccelerator(int command_id,
185                                  ui::Accelerator* accelerator) {
186  return browser_view_->GetAccelerator(command_id, accelerator);
187}
188
189ui::ThemeProvider* BrowserFrame::GetThemeProvider() const {
190  return theme_provider_;
191}
192
193void BrowserFrame::SchedulePaintInRect(const gfx::Rect& rect) {
194  views::Widget::SchedulePaintInRect(rect);
195
196  // Paint the frame caption area and window controls during immersive reveal.
197  if (browser_view_ &&
198      browser_view_->immersive_mode_controller()->IsRevealed()) {
199    // This function should not be reentrant because the TopContainerView
200    // paints to a layer for the duration of the immersive reveal.
201    views::View* top_container = browser_view_->top_container();
202    CHECK(top_container->layer());
203    top_container->SchedulePaintInRect(rect);
204  }
205}
206
207void BrowserFrame::OnNativeWidgetActivationChanged(bool active) {
208  if (active) {
209    // When running under remote desktop, if the remote desktop client is not
210    // active on the users desktop, then none of the windows contained in the
211    // remote desktop will be activated.  However, NativeWidgetWin::Activate()
212    // will still bring this browser window to the foreground.  We explicitly
213    // set ourselves as the last active browser window to ensure that we get
214    // treated as such by the rest of Chrome.
215    BrowserList::SetLastActive(browser_view_->browser());
216  }
217  Widget::OnNativeWidgetActivationChanged(active);
218}
219
220void BrowserFrame::ShowContextMenuForView(views::View* source,
221                                          const gfx::Point& p,
222                                          ui::MenuSourceType source_type) {
223  if (chrome::IsRunningInForcedAppMode())
224    return;
225
226  // Only show context menu if point is in unobscured parts of browser, i.e.
227  // if NonClientHitTest returns :
228  // - HTCAPTION: in title bar or unobscured part of tabstrip
229  // - HTNOWHERE: as the name implies.
230  gfx::Point point_in_view_coords(p);
231  views::View::ConvertPointFromScreen(non_client_view(), &point_in_view_coords);
232  int hit_test = non_client_view()->NonClientHitTest(point_in_view_coords);
233  if (hit_test == HTCAPTION || hit_test == HTNOWHERE) {
234    menu_runner_.reset(new views::MenuRunner(GetSystemMenuModel()));
235    if (menu_runner_->RunMenuAt(source->GetWidget(), NULL,
236          gfx::Rect(p, gfx::Size(0,0)), views::MenuItemView::TOPLEFT,
237          source_type,
238          views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
239        views::MenuRunner::MENU_DELETED)
240      return;
241  }
242}
243
244ui::MenuModel* BrowserFrame::GetSystemMenuModel() {
245#if defined(OS_CHROMEOS)
246  ash::SessionStateDelegate* delegate =
247      ash::Shell::GetInstance()->session_state_delegate();
248  if (delegate && delegate->NumberOfLoggedInUsers() > 1) {
249    // In Multi user mode, the number of users as well as the order of users
250    // can change. Coming here we have more then one user and since the menu
251    // model contains the user information, it must get updated to show any
252    // changes happened since the last invocation.
253    menu_model_builder_.reset();
254  }
255#endif
256  if (!menu_model_builder_.get()) {
257    menu_model_builder_.reset(
258        new SystemMenuModelBuilder(browser_view_, browser_view_->browser()));
259    menu_model_builder_->Init();
260  }
261  return menu_model_builder_->menu_model();
262}
263
264AvatarMenuButton* BrowserFrame::GetAvatarMenuButton() {
265  return browser_frame_view_->avatar_button();
266}
267
268NewAvatarButton* BrowserFrame::GetNewAvatarMenuButton() {
269  return browser_frame_view_->new_avatar_button();
270}
271
272#if !defined(OS_WIN) || defined(USE_AURA)
273bool BrowserFrame::ShouldLeaveOffsetNearTopBorder() {
274  return !IsMaximized();
275}
276#endif  // OS_WIN
277