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/debug/leak_annotations.h"
10#include "base/i18n/rtl.h"
11#include "chrome/browser/app_mode/app_mode_utils.h"
12#include "chrome/browser/themes/theme_service.h"
13#include "chrome/browser/themes/theme_service_factory.h"
14#include "chrome/browser/ui/ash/ash_init.h"
15#include "chrome/browser/ui/browser.h"
16#include "chrome/browser/ui/browser_list.h"
17#include "chrome/browser/ui/browser_window_state.h"
18#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
19#include "chrome/browser/ui/views/frame/browser_root_view.h"
20#include "chrome/browser/ui/views/frame/browser_view.h"
21#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
22#include "chrome/browser/ui/views/frame/native_browser_frame.h"
23#include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
24#include "chrome/browser/ui/views/frame/system_menu_model_builder.h"
25#include "chrome/browser/ui/views/frame/top_container_view.h"
26#include "chrome/browser/web_applications/web_app.h"
27#include "chrome/common/chrome_switches.h"
28#include "chrome/common/pref_names.h"
29#include "ui/aura/window.h"
30#include "ui/aura/window_event_dispatcher.h"
31#include "ui/base/hit_test.h"
32#include "ui/base/theme_provider.h"
33#include "ui/events/event_handler.h"
34#include "ui/gfx/font_list.h"
35#include "ui/gfx/screen.h"
36#include "ui/views/controls/menu/menu_runner.h"
37#include "ui/views/widget/native_widget.h"
38
39#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
40#include "chrome/browser/shell_integration_linux.h"
41#endif
42
43#if defined(OS_CHROMEOS)
44#include "ash/session/session_state_delegate.h"
45#endif
46
47#if defined(USE_X11)
48#include "chrome/browser/ui/views/frame/browser_command_handler_x11.h"
49#endif
50
51////////////////////////////////////////////////////////////////////////////////
52// BrowserFrame, public:
53
54BrowserFrame::BrowserFrame(BrowserView* browser_view)
55    : native_browser_frame_(NULL),
56      root_view_(NULL),
57      browser_frame_view_(NULL),
58      browser_view_(browser_view),
59      theme_provider_(ThemeServiceFactory::GetForProfile(
60                          browser_view_->browser()->profile())) {
61  browser_view_->set_frame(this);
62  set_is_secondary_widget(false);
63  // Don't focus anything on creation, selecting a tab will set the focus.
64  set_focus_on_creation(false);
65
66#if defined(USE_X11)
67  browser_command_handler_.reset(
68      new BrowserCommandHandlerX11(browser_view_->browser()));
69#endif
70}
71
72BrowserFrame::~BrowserFrame() {
73  if (browser_command_handler_ && GetNativeView())
74    GetNativeView()->RemovePreTargetHandler(browser_command_handler_.get());
75}
76
77// static
78const gfx::FontList& BrowserFrame::GetTitleFontList() {
79  static const gfx::FontList* title_font_list = new gfx::FontList();
80  ANNOTATE_LEAKING_OBJECT_PTR(title_font_list);
81  return *title_font_list;
82}
83
84void BrowserFrame::InitBrowserFrame() {
85  use_custom_frame_pref_.Init(
86      prefs::kUseCustomChromeFrame,
87      browser_view_->browser()->profile()->GetPrefs(),
88      base::Bind(&BrowserFrame::OnUseCustomChromeFrameChanged,
89                 base::Unretained(this)));
90
91  native_browser_frame_ =
92      NativeBrowserFrameFactory::CreateNativeBrowserFrame(this, browser_view_);
93  views::Widget::InitParams params;
94  params.delegate = browser_view_;
95  params.native_widget = native_browser_frame_->AsNativeWidget();
96  if (browser_view_->browser()->is_type_tabbed()) {
97    // Typed panel/popup can only return a size once the widget has been
98    // created.
99    chrome::GetSavedWindowBoundsAndShowState(browser_view_->browser(),
100                                             &params.bounds,
101                                             &params.show_state);
102  }
103
104  if (browser_view_->browser()->host_desktop_type() ==
105      chrome::HOST_DESKTOP_TYPE_ASH || chrome::ShouldOpenAshOnStartup()) {
106    params.context = ash::Shell::GetPrimaryRootWindow();
107#if defined(OS_WIN)
108    // If this window is under ASH on Windows, we need it to be translucent.
109    params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
110#endif
111  }
112
113#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
114  // Set up a custom WM_CLASS for some sorts of window types. This allows
115  // task switchers in X11 environments to distinguish between main browser
116  // windows and e.g app windows.
117  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
118  const Browser& browser = *browser_view_->browser();
119  params.wm_class_class = shell_integration_linux::GetProgramClassName();
120  params.wm_class_name = params.wm_class_class;
121  if (browser.is_app() && !browser.is_devtools()) {
122    // This window is a hosted app or v1 packaged app.
123    // NOTE: v2 packaged app windows are created by ChromeNativeAppWindowViews.
124    params.wm_class_name = web_app::GetWMClassFromAppName(browser.app_name());
125  } else if (command_line.HasSwitch(switches::kUserDataDir)) {
126    // Set the class name to e.g. "Chrome (/tmp/my-user-data)".  The
127    // class name will show up in the alt-tab list in gnome-shell if
128    // you're running a binary that doesn't have a matching .desktop
129    // file.
130    const std::string user_data_dir =
131        command_line.GetSwitchValueNative(switches::kUserDataDir);
132    params.wm_class_name += " (" + user_data_dir + ")";
133  }
134  const char kX11WindowRoleBrowser[] = "browser";
135  const char kX11WindowRolePopup[] = "pop-up";
136  params.wm_role_name = browser_view_->browser()->is_type_tabbed() ?
137      std::string(kX11WindowRoleBrowser) : std::string(kX11WindowRolePopup);
138
139  params.remove_standard_frame = UseCustomFrame();
140  set_frame_type(UseCustomFrame() ? Widget::FRAME_TYPE_FORCE_CUSTOM
141                                  : Widget::FRAME_TYPE_FORCE_NATIVE);
142#endif  // defined(OS_LINUX)
143
144  Init(params);
145
146  if (!native_browser_frame_->UsesNativeSystemMenu()) {
147    DCHECK(non_client_view());
148    non_client_view()->set_context_menu_controller(this);
149  }
150
151  if (browser_command_handler_)
152    GetNativeWindow()->AddPreTargetHandler(browser_command_handler_.get());
153}
154
155void BrowserFrame::SetThemeProvider(scoped_ptr<ui::ThemeProvider> provider) {
156  owned_theme_provider_ = provider.Pass();
157  theme_provider_ = owned_theme_provider_.get();
158}
159
160int BrowserFrame::GetMinimizeButtonOffset() const {
161  return native_browser_frame_->GetMinimizeButtonOffset();
162}
163
164gfx::Rect BrowserFrame::GetBoundsForTabStrip(views::View* tabstrip) const {
165  // This can be invoked before |browser_frame_view_| has been set.
166  return browser_frame_view_ ?
167      browser_frame_view_->GetBoundsForTabStrip(tabstrip) : gfx::Rect();
168}
169
170int BrowserFrame::GetTopInset() const {
171  return browser_frame_view_->GetTopInset();
172}
173
174int BrowserFrame::GetThemeBackgroundXInset() const {
175  return browser_frame_view_->GetThemeBackgroundXInset();
176}
177
178void BrowserFrame::UpdateThrobber(bool running) {
179  browser_frame_view_->UpdateThrobber(running);
180}
181
182views::View* BrowserFrame::GetFrameView() const {
183  return browser_frame_view_;
184}
185
186bool BrowserFrame::UseCustomFrame() const {
187  return use_custom_frame_pref_.GetValue() &&
188      browser_view_->IsBrowserTypeNormal();
189}
190
191bool BrowserFrame::ShouldSaveWindowPlacement() const {
192  return native_browser_frame_->ShouldSaveWindowPlacement();
193}
194
195void BrowserFrame::GetWindowPlacement(gfx::Rect* bounds,
196                                      ui::WindowShowState* show_state) const {
197  return native_browser_frame_->GetWindowPlacement(bounds, show_state);
198}
199
200///////////////////////////////////////////////////////////////////////////////
201// BrowserFrame, views::Widget overrides:
202
203views::internal::RootView* BrowserFrame::CreateRootView() {
204  root_view_ = new BrowserRootView(browser_view_, this);
205  return root_view_;
206}
207
208views::NonClientFrameView* BrowserFrame::CreateNonClientFrameView() {
209  browser_frame_view_ =
210      chrome::CreateBrowserNonClientFrameView(this, browser_view_);
211  return browser_frame_view_;
212}
213
214bool BrowserFrame::GetAccelerator(int command_id,
215                                  ui::Accelerator* accelerator) const {
216  return browser_view_->GetAccelerator(command_id, accelerator);
217}
218
219ui::ThemeProvider* BrowserFrame::GetThemeProvider() const {
220  return theme_provider_;
221}
222
223void BrowserFrame::SchedulePaintInRect(const gfx::Rect& rect) {
224  views::Widget::SchedulePaintInRect(rect);
225
226  // Paint the frame caption area and window controls during immersive reveal.
227  if (browser_view_ &&
228      browser_view_->immersive_mode_controller()->IsRevealed()) {
229    // This function should not be reentrant because the TopContainerView
230    // paints to a layer for the duration of the immersive reveal.
231    views::View* top_container = browser_view_->top_container();
232    CHECK(top_container->layer());
233    top_container->SchedulePaintInRect(rect);
234  }
235}
236
237void BrowserFrame::OnNativeWidgetActivationChanged(bool active) {
238  if (active) {
239    // When running under remote desktop, if the remote desktop client is not
240    // active on the users desktop, then none of the windows contained in the
241    // remote desktop will be activated.  However, NativeWidget::Activate() will
242    // still bring this browser window to the foreground.  We explicitly set
243    // ourselves as the last active browser window to ensure that we get treated
244    // as such by the rest of Chrome.
245    BrowserList::SetLastActive(browser_view_->browser());
246  }
247  Widget::OnNativeWidgetActivationChanged(active);
248}
249
250void BrowserFrame::ShowContextMenuForView(views::View* source,
251                                          const gfx::Point& p,
252                                          ui::MenuSourceType source_type) {
253  if (chrome::IsRunningInForcedAppMode())
254    return;
255
256  // Only show context menu if point is in unobscured parts of browser, i.e.
257  // if NonClientHitTest returns :
258  // - HTCAPTION: in title bar or unobscured part of tabstrip
259  // - HTNOWHERE: as the name implies.
260  gfx::Point point_in_view_coords(p);
261  views::View::ConvertPointFromScreen(non_client_view(), &point_in_view_coords);
262  int hit_test = non_client_view()->NonClientHitTest(point_in_view_coords);
263  if (hit_test == HTCAPTION || hit_test == HTNOWHERE) {
264    menu_runner_.reset(new views::MenuRunner(
265        GetSystemMenuModel(),
266        views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
267    if (menu_runner_->RunMenuAt(source->GetWidget(),
268                                NULL,
269                                gfx::Rect(p, gfx::Size(0, 0)),
270                                views::MENU_ANCHOR_TOPLEFT,
271                                source_type) ==
272        views::MenuRunner::MENU_DELETED) {
273      return;
274    }
275  }
276}
277
278ui::MenuModel* BrowserFrame::GetSystemMenuModel() {
279#if defined(OS_CHROMEOS)
280  ash::SessionStateDelegate* delegate =
281      ash::Shell::GetInstance()->session_state_delegate();
282  if (delegate && delegate->NumberOfLoggedInUsers() > 1) {
283    // In Multi user mode, the number of users as well as the order of users
284    // can change. Coming here we have more then one user and since the menu
285    // model contains the user information, it must get updated to show any
286    // changes happened since the last invocation.
287    menu_model_builder_.reset();
288  }
289#endif
290  if (!menu_model_builder_.get()) {
291    menu_model_builder_.reset(
292        new SystemMenuModelBuilder(browser_view_, browser_view_->browser()));
293    menu_model_builder_->Init();
294  }
295  return menu_model_builder_->menu_model();
296}
297
298AvatarMenuButton* BrowserFrame::GetAvatarMenuButton() {
299  return browser_frame_view_->avatar_button();
300}
301
302NewAvatarButton* BrowserFrame::GetNewAvatarMenuButton() {
303  return browser_frame_view_->new_avatar_button();
304}
305
306bool BrowserFrame::ShouldLeaveOffsetNearTopBorder() {
307  return !IsMaximized();
308}
309
310void BrowserFrame::OnUseCustomChromeFrameChanged() {
311  // Tell the window manager to add or remove system borders.
312  set_frame_type(UseCustomFrame() ? Widget::FRAME_TYPE_FORCE_CUSTOM
313                                  : Widget::FRAME_TYPE_FORCE_NATIVE);
314  FrameTypeChanged();
315}
316