src/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

   1 // Copyright 2014 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/apps/chrome_native_app_window_views.h"
   6
   7 #include "apps/ui/views/app_window_frame_view.h"
   8 #include "base/command_line.h"
   9 #include "chrome/app/chrome_command_ids.h"
  10 #include "chrome/browser/app_mode/app_mode_utils.h"
  11 #include "chrome/browser/chrome_page_zoom.h"
  12 #include "chrome/browser/favicon/favicon_tab_helper.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/browser/ui/host_desktop.h"
  15 #include "chrome/browser/ui/views/apps/shaped_app_window_targeter.h"
  16 #include "chrome/browser/ui/views/extensions/extension_keybinding_registry_views.h"
  17 #include "chrome/browser/ui/views/frame/taskbar_decorator.h"
  18 #include "chrome/browser/ui/zoom/zoom_controller.h"
  19 #include "chrome/browser/web_applications/web_app.h"
  20 #include "chrome/common/chrome_switches.h"
  21 #include "extensions/common/extension.h"
  22 #include "ui/aura/window.h"
  23 #include "ui/base/hit_test.h"
  24 #include "ui/base/models/simple_menu_model.h"
  25 #include "ui/gfx/image/image_skia.h"
  26 #include "ui/views/controls/menu/menu_runner.h"
  27 #include "ui/views/controls/webview/webview.h"
  28 #include "ui/views/widget/widget.h"
  29 #include "ui/wm/core/easy_resize_window_targeter.h"
  30 #include "ui/wm/core/shadow_types.h"
  31
  32 #if defined(OS_LINUX)
  33 #include "chrome/browser/shell_integration_linux.h"
  34 #endif
  35
  36 #if defined(USE_ASH)
  37 #include "ash/ash_constants.h"
  38 #include "ash/ash_switches.h"
  39 #include "ash/frame/custom_frame_view_ash.h"
  40 #include "ash/screen_util.h"
  41 #include "ash/shell.h"
  42 #include "ash/wm/immersive_fullscreen_controller.h"
  43 #include "ash/wm/panels/panel_frame_view.h"
  44 #include "ash/wm/window_properties.h"
  45 #include "ash/wm/window_state.h"
  46 #include "ash/wm/window_state_delegate.h"
  47 #include "ash/wm/window_state_observer.h"
  48 #include "chrome/browser/ui/ash/ash_util.h"
  49 #include "chrome/browser/ui/ash/multi_user/multi_user_context_menu.h"
  50 #include "ui/aura/client/aura_constants.h"
  51 #include "ui/aura/client/window_tree_client.h"
  52 #include "ui/aura/window_observer.h"
  53 #endif
  54
  55 using extensions::AppWindow;
  56
  57 namespace {
  58
  59 const int kMinPanelWidth = 100;
  60 const int kMinPanelHeight = 100;
  61 const int kDefaultPanelWidth = 200;
  62 const int kDefaultPanelHeight = 300;
  63
  64 struct AcceleratorMapping {
  65   ui::KeyboardCode keycode;
  66   int modifiers;
  67   int command_id;
  68 };
  69
  70 const AcceleratorMapping kAppWindowAcceleratorMap[] = {
  71   { ui::VKEY_W, ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  72   { ui::VKEY_W, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  73   { ui::VKEY_F4, ui::EF_ALT_DOWN, IDC_CLOSE_WINDOW },
  74 };
  75
  76 // These accelerators will only be available in kiosk mode. These allow the
  77 // user to manually zoom app windows. This is only necessary in kiosk mode
  78 // (in normal mode, the user can zoom via the screen magnifier).
  79 // TODO(xiyuan): Write a test for kiosk accelerators.
  80 const AcceleratorMapping kAppWindowKioskAppModeAcceleratorMap[] = {
  81   { ui::VKEY_OEM_MINUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  82   { ui::VKEY_OEM_MINUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
  83     IDC_ZOOM_MINUS },
  84   { ui::VKEY_SUBTRACT, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  85   { ui::VKEY_OEM_PLUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  86   { ui::VKEY_OEM_PLUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  87   { ui::VKEY_ADD, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  88   { ui::VKEY_0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  89   { ui::VKEY_NUMPAD0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  90 };
  91
  92 void AddAcceleratorsFromMapping(const AcceleratorMapping mapping[],
  93                                 size_t mapping_length,
  94                                 std::map<ui::Accelerator, int>* accelerators) {
  95   for (size_t i = 0; i < mapping_length; ++i) {
  96     ui::Accelerator accelerator(mapping[i].keycode, mapping[i].modifiers);
  97     (*accelerators)[accelerator] = mapping[i].command_id;
  98   }
  99 }
 100
 101 const std::map<ui::Accelerator, int>& GetAcceleratorTable() {
 102   typedef std::map<ui::Accelerator, int> AcceleratorMap;
 103   CR_DEFINE_STATIC_LOCAL(AcceleratorMap, accelerators, ());
 104   if (accelerators.empty()) {
 105     AddAcceleratorsFromMapping(
 106         kAppWindowAcceleratorMap,
 107         arraysize(kAppWindowAcceleratorMap),
 108         &accelerators);
 109
 110     // Add accelerators for kiosk mode.
 111     if (chrome::IsRunningInForcedAppMode()) {
 112       AddAcceleratorsFromMapping(
 113           kAppWindowKioskAppModeAcceleratorMap,
 114           arraysize(kAppWindowKioskAppModeAcceleratorMap),
 115           &accelerators);
 116     }
 117   }
 118   return accelerators;
 119 }
 120
 121 #if defined(USE_ASH)
 122 // This class handles a user's fullscreen request (Shift+F4/F4).
 123 class NativeAppWindowStateDelegate : public ash::wm::WindowStateDelegate,
 124                                      public ash::wm::WindowStateObserver,
 125                                      public aura::WindowObserver {
 126  public:
 127   NativeAppWindowStateDelegate(AppWindow* app_window,
 128                                extensions::NativeAppWindow* native_app_window)
 129       : app_window_(app_window),
 130         window_state_(
 131             ash::wm::GetWindowState(native_app_window->GetNativeWindow())) {
 132     // Add a window state observer to exit fullscreen properly in case
 133     // fullscreen is exited without going through AppWindow::Restore(). This
 134     // is the case when exiting immersive fullscreen via the "Restore" window
 135     // control.
 136     // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
 137     window_state_->AddObserver(this);
 138     window_state_->window()->AddObserver(this);
 139   }
 140   virtual ~NativeAppWindowStateDelegate() {
 141     if (window_state_) {
 142       window_state_->RemoveObserver(this);
 143       window_state_->window()->RemoveObserver(this);
 144     }
 145   }
 146
 147  private:
 148   // Overridden from ash::wm::WindowStateDelegate.
 149   virtual bool ToggleFullscreen(ash::wm::WindowState* window_state) OVERRIDE {
 150     // Windows which cannot be maximized should not be fullscreened.
 151     DCHECK(window_state->IsFullscreen() || window_state->CanMaximize());
 152     if (window_state->IsFullscreen())
 153       app_window_->Restore();
 154     else if (window_state->CanMaximize())
 155       app_window_->OSFullscreen();
 156     return true;
 157   }
 158
 159   // Overridden from ash::wm::WindowStateObserver:
 160   virtual void OnPostWindowStateTypeChange(
 161       ash::wm::WindowState* window_state,
 162       ash::wm::WindowStateType old_type) OVERRIDE {
 163     // Since the window state might get set by a window manager, it is possible
 164     // to come here before the application set its |BaseWindow|.
 165     if (!window_state->IsFullscreen() && !window_state->IsMinimized() &&
 166         app_window_->GetBaseWindow() &&
 167         app_window_->GetBaseWindow()->IsFullscreenOrPending()) {
 168       app_window_->Restore();
 169       // Usually OnNativeWindowChanged() is called when the window bounds are
 170       // changed as a result of a state type change. Because the change in state
 171       // type has already occurred, we need to call OnNativeWindowChanged()
 172       // explicitly.
 173       app_window_->OnNativeWindowChanged();
 174     }
 175   }
 176
 177   // Overridden from aura::WindowObserver:
 178   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
 179     window_state_->RemoveObserver(this);
 180     window_state_->window()->RemoveObserver(this);
 181     window_state_ = NULL;
 182   }
 183
 184   // Not owned.
 185   AppWindow* app_window_;
 186   ash::wm::WindowState* window_state_;
 187
 188   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowStateDelegate);
 189 };
 190 #endif  // USE_ASH
 191
 192 }  // namespace
 193
 194 ChromeNativeAppWindowViews::ChromeNativeAppWindowViews()
 195     : is_fullscreen_(false),
 196       has_frame_color_(false),
 197       active_frame_color_(SK_ColorBLACK),
 198       inactive_frame_color_(SK_ColorBLACK) {
 199 }
 200
 201 ChromeNativeAppWindowViews::~ChromeNativeAppWindowViews() {}
 202
 203 void ChromeNativeAppWindowViews::OnBeforeWidgetInit(
 204     views::Widget::InitParams* init_params,
 205     views::Widget* widget) {}
 206
 207 void ChromeNativeAppWindowViews::InitializeDefaultWindow(
 208     const AppWindow::CreateParams& create_params) {
 209   std::string app_name = web_app::GenerateApplicationNameFromExtensionId(
 210       app_window()->extension_id());
 211
 212   views::Widget::InitParams init_params(views::Widget::InitParams::TYPE_WINDOW);
 213   init_params.delegate = this;
 214   init_params.remove_standard_frame = IsFrameless() || has_frame_color_;
 215   init_params.use_system_default_icon = true;
 216   if (create_params.alpha_enabled)
 217     init_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
 218   init_params.keep_on_top = create_params.always_on_top;
 219   init_params.visible_on_all_workspaces =
 220       create_params.visible_on_all_workspaces;
 221
 222 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 223   // Set up a custom WM_CLASS for app windows. This allows task switchers in
 224   // X11 environments to distinguish them from main browser windows.
 225   init_params.wm_class_name = web_app::GetWMClassFromAppName(app_name);
 226   init_params.wm_class_class = shell_integration_linux::GetProgramClassName();
 227   const char kX11WindowRoleApp[] = "app";
 228   init_params.wm_role_name = std::string(kX11WindowRoleApp);
 229 #endif
 230
 231   OnBeforeWidgetInit(&init_params, widget());
 232   widget()->Init(init_params);
 233
 234   // The frame insets are required to resolve the bounds specifications
 235   // correctly. So we set the window bounds and constraints now.
 236   gfx::Insets frame_insets = GetFrameInsets();
 237   gfx::Rect window_bounds = create_params.GetInitialWindowBounds(frame_insets);
 238   SetContentSizeConstraints(create_params.GetContentMinimumSize(frame_insets),
 239                             create_params.GetContentMaximumSize(frame_insets));
 240   if (!window_bounds.IsEmpty()) {
 241     typedef AppWindow::BoundsSpecification BoundsSpecification;
 242     bool position_specified =
 243         window_bounds.x() != BoundsSpecification::kUnspecifiedPosition &&
 244         window_bounds.y() != BoundsSpecification::kUnspecifiedPosition;
 245     if (!position_specified)
 246       widget()->CenterWindow(window_bounds.size());
 247     else
 248       widget()->SetBounds(window_bounds);
 249   }
 250
 251   if (IsFrameless() &&
 252       init_params.opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW) {
 253     // The given window is most likely not rectangular since it uses
 254     // transparency and has no standard frame, don't show a shadow for it.
 255     // TODO(skuhne): If we run into an application which should have a shadow
 256     // but does not have, a new attribute has to be added.
 257     wm::SetShadowType(widget()->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
 258   }
 259
 260   // Register accelarators supported by app windows.
 261   // TODO(jeremya/stevenjb): should these be registered for panels too?
 262   views::FocusManager* focus_manager = GetFocusManager();
 263   const std::map<ui::Accelerator, int>& accelerator_table =
 264       GetAcceleratorTable();
 265   const bool is_kiosk_app_mode = chrome::IsRunningInForcedAppMode();
 266
 267   // Ensures that kiosk mode accelerators are enabled when in kiosk mode (to be
 268   // future proof). This is needed because GetAcceleratorTable() uses a static
 269   // to store data and only checks kiosk mode once. If a platform app is
 270   // launched before kiosk mode starts, the kiosk accelerators will not be
 271   // registered. This DCHECK catches the case.
 272   DCHECK(!is_kiosk_app_mode ||
 273          accelerator_table.size() ==
 274              arraysize(kAppWindowAcceleratorMap) +
 275                  arraysize(kAppWindowKioskAppModeAcceleratorMap));
 276
 277   // Ensure there is a ZoomController in kiosk mode, otherwise the processing
 278   // of the accelerators will cause a crash.
 279   DCHECK(!is_kiosk_app_mode ||
 280          ZoomController::FromWebContents(web_view()->GetWebContents()));
 281
 282   for (std::map<ui::Accelerator, int>::const_iterator iter =
 283            accelerator_table.begin();
 284        iter != accelerator_table.end(); ++iter) {
 285     if (is_kiosk_app_mode && !chrome::IsCommandAllowedInAppMode(iter->second))
 286       continue;
 287
 288     focus_manager->RegisterAccelerator(
 289         iter->first, ui::AcceleratorManager::kNormalPriority, this);
 290   }
 291 }
 292
 293 void ChromeNativeAppWindowViews::InitializePanelWindow(
 294     const AppWindow::CreateParams& create_params) {
 295   views::Widget::InitParams params(views::Widget::InitParams::TYPE_PANEL);
 296   params.delegate = this;
 297
 298   gfx::Rect initial_window_bounds =
 299       create_params.GetInitialWindowBounds(gfx::Insets());
 300   preferred_size_ = gfx::Size(initial_window_bounds.width(),
 301                               initial_window_bounds.height());
 302   if (preferred_size_.width() == 0)
 303     preferred_size_.set_width(kDefaultPanelWidth);
 304   else if (preferred_size_.width() < kMinPanelWidth)
 305     preferred_size_.set_width(kMinPanelWidth);
 306
 307   if (preferred_size_.height() == 0)
 308     preferred_size_.set_height(kDefaultPanelHeight);
 309   else if (preferred_size_.height() < kMinPanelHeight)
 310     preferred_size_.set_height(kMinPanelHeight);
 311 #if defined(USE_ASH)
 312   if (ash::Shell::HasInstance()) {
 313     // Open a new panel on the target root.
 314     aura::Window* target = ash::Shell::GetTargetRootWindow();
 315     params.bounds = ash::ScreenUtil::ConvertRectToScreen(
 316         target, gfx::Rect(preferred_size_));
 317   } else {
 318     params.bounds = gfx::Rect(preferred_size_);
 319   }
 320 #else
 321   params.bounds = gfx::Rect(preferred_size_);
 322 #endif
 323   widget()->Init(params);
 324   widget()->set_focus_on_creation(create_params.focused);
 325 }
 326
 327 views::NonClientFrameView*
 328 ChromeNativeAppWindowViews::CreateStandardDesktopAppFrame() {
 329   return views::WidgetDelegateView::CreateNonClientFrameView(widget());
 330 }
 331
 332 apps::AppWindowFrameView*
 333 ChromeNativeAppWindowViews::CreateNonStandardAppFrame() {
 334   apps::AppWindowFrameView* frame =
 335       new apps::AppWindowFrameView(widget(),
 336                                    this,
 337                                    has_frame_color_,
 338                                    active_frame_color_,
 339                                    inactive_frame_color_);
 340   frame->Init();
 341 #if defined(USE_ASH)
 342   // For Aura windows on the Ash desktop the sizes are different and the user
 343   // can resize the window from slightly outside the bounds as well.
 344   if (chrome::IsNativeWindowInAsh(widget()->GetNativeWindow())) {
 345     frame->SetResizeSizes(ash::kResizeInsideBoundsSize,
 346                           ash::kResizeOutsideBoundsSize,
 347                           ash::kResizeAreaCornerSize);
 348   }
 349 #endif
 350
 351 #if !defined(OS_CHROMEOS)
 352   // For non-Ash windows, install an easy resize window targeter, which ensures
 353   // that the root window (not the app) receives mouse events on the edges.
 354   if (chrome::GetHostDesktopTypeForNativeWindow(widget()->GetNativeWindow()) !=
 355       chrome::HOST_DESKTOP_TYPE_ASH) {
 356     aura::Window* window = widget()->GetNativeWindow();
 357     int resize_inside = frame->resize_inside_bounds_size();
 358     gfx::Insets inset(
 359         resize_inside, resize_inside, resize_inside, resize_inside);
 360     // Add the EasyResizeWindowTargeter on the window, not its root window. The
 361     // root window does not have a delegate, which is needed to handle the event
 362     // in Linux.
 363     window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 364         new wm::EasyResizeWindowTargeter(window, inset, inset)));
 365   }
 366 #endif
 367
 368   return frame;
 369 }
 370
 371 // ui::BaseWindow implementation.
 372
 373 gfx::Rect ChromeNativeAppWindowViews::GetRestoredBounds() const {
 374 #if defined(USE_ASH)
 375   gfx::Rect* bounds = widget()->GetNativeWindow()->GetProperty(
 376       ash::kRestoreBoundsOverrideKey);
 377   if (bounds && !bounds->IsEmpty())
 378     return *bounds;
 379 #endif
 380   return widget()->GetRestoredBounds();
 381 }
 382
 383 ui::WindowShowState ChromeNativeAppWindowViews::GetRestoredState() const {
 384 #if !defined(USE_ASH)
 385   if (IsMaximized())
 386     return ui::SHOW_STATE_MAXIMIZED;
 387   if (IsFullscreen())
 388     return ui::SHOW_STATE_FULLSCREEN;
 389 #else
 390   // Use kRestoreShowStateKey in case a window is minimized/hidden.
 391   ui::WindowShowState restore_state = widget()->GetNativeWindow()->GetProperty(
 392       aura::client::kRestoreShowStateKey);
 393   if (widget()->GetNativeWindow()->GetProperty(
 394           ash::kRestoreBoundsOverrideKey)) {
 395     // If an override is given, we use that restore state (after filtering).
 396     restore_state = widget()->GetNativeWindow()->GetProperty(
 397                         ash::kRestoreShowStateOverrideKey);
 398   } else {
 399     // Otherwise first normal states are checked.
 400     if (IsMaximized())
 401       return ui::SHOW_STATE_MAXIMIZED;
 402     if (IsFullscreen()) {
 403       if (immersive_fullscreen_controller_.get() &&
 404           immersive_fullscreen_controller_->IsEnabled()) {
 405         // Restore windows which were previously in immersive fullscreen to
 406         // maximized. Restoring the window to a different fullscreen type
 407         // makes for a bad experience.
 408         return ui::SHOW_STATE_MAXIMIZED;
 409       }
 410       return ui::SHOW_STATE_FULLSCREEN;
 411     }
 412   }
 413   // Whitelist states to return so that invalid and transient states
 414   // are not saved and used to restore windows when they are recreated.
 415   switch (restore_state) {
 416     case ui::SHOW_STATE_NORMAL:
 417     case ui::SHOW_STATE_MAXIMIZED:
 418     case ui::SHOW_STATE_FULLSCREEN:
 419       return restore_state;
 420
 421     case ui::SHOW_STATE_DEFAULT:
 422     case ui::SHOW_STATE_MINIMIZED:
 423     case ui::SHOW_STATE_INACTIVE:
 424     case ui::SHOW_STATE_END:
 425       return ui::SHOW_STATE_NORMAL;
 426   }
 427 #endif  // !defined(USE_ASH)
 428   return ui::SHOW_STATE_NORMAL;
 429 }
 430
 431 bool ChromeNativeAppWindowViews::IsAlwaysOnTop() const {
 432   if (app_window()->window_type_is_panel()) {
 433 #if defined(USE_ASH)
 434     return ash::wm::GetWindowState(widget()->GetNativeWindow())
 435         ->panel_attached();
 436 #else
 437     return true;
 438 #endif
 439   } else {
 440     return widget()->IsAlwaysOnTop();
 441   }
 442 }
 443
 444 // views::ContextMenuController implementation.
 445
 446 void ChromeNativeAppWindowViews::ShowContextMenuForView(
 447     views::View* source,
 448     const gfx::Point& p,
 449     ui::MenuSourceType source_type) {
 450 #if defined(USE_ASH) && defined(OS_CHROMEOS)
 451   scoped_ptr<ui::MenuModel> model =
 452       CreateMultiUserContextMenu(app_window()->GetNativeWindow());
 453   if (!model.get())
 454     return;
 455
 456   // Only show context menu if point is in caption.
 457   gfx::Point point_in_view_coords(p);
 458   views::View::ConvertPointFromScreen(widget()->non_client_view(),
 459                                       &point_in_view_coords);
 460   int hit_test =
 461       widget()->non_client_view()->NonClientHitTest(point_in_view_coords);
 462   if (hit_test == HTCAPTION) {
 463     menu_runner_.reset(new views::MenuRunner(
 464         model.get(),
 465         views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
 466     if (menu_runner_->RunMenuAt(source->GetWidget(),
 467                                 NULL,
 468                                 gfx::Rect(p, gfx::Size(0, 0)),
 469                                 views::MENU_ANCHOR_TOPLEFT,
 470                                 source_type) ==
 471         views::MenuRunner::MENU_DELETED) {
 472       return;
 473     }
 474   }
 475 #endif
 476 }
 477
 478 // views::WidgetDelegate implementation.
 479
 480 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowAppIcon() {
 481   gfx::Image app_icon = app_window()->app_icon();
 482   if (app_icon.IsEmpty())
 483     return GetWindowIcon();
 484   else
 485     return *app_icon.ToImageSkia();
 486 }
 487
 488 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowIcon() {
 489   content::WebContents* web_contents = app_window()->web_contents();
 490   if (web_contents) {
 491     FaviconTabHelper* favicon_tab_helper =
 492         FaviconTabHelper::FromWebContents(web_contents);
 493     gfx::Image app_icon = favicon_tab_helper->GetFavicon();
 494     if (!app_icon.IsEmpty())
 495       return *app_icon.ToImageSkia();
 496   }
 497   return gfx::ImageSkia();
 498 }
 499
 500 views::NonClientFrameView* ChromeNativeAppWindowViews::CreateNonClientFrameView(
 501     views::Widget* widget) {
 502 #if defined(USE_ASH)
 503   if (chrome::IsNativeViewInAsh(widget->GetNativeView())) {
 504     // Set the delegate now because CustomFrameViewAsh sets the
 505     // WindowStateDelegate if one is not already set.
 506     ash::wm::GetWindowState(GetNativeWindow())->SetDelegate(
 507         scoped_ptr<ash::wm::WindowStateDelegate>(
 508             new NativeAppWindowStateDelegate(app_window(), this)).Pass());
 509
 510     if (app_window()->window_type_is_panel()) {
 511       ash::PanelFrameView::FrameType frame_type = IsFrameless() ?
 512           ash::PanelFrameView::FRAME_NONE : ash::PanelFrameView::FRAME_ASH;
 513       views::NonClientFrameView* frame_view =
 514           new ash::PanelFrameView(widget, frame_type);
 515       frame_view->set_context_menu_controller(this);
 516       return frame_view;
 517     }
 518
 519     if (IsFrameless())
 520       return CreateNonStandardAppFrame();
 521
 522     ash::CustomFrameViewAsh* custom_frame_view =
 523         new ash::CustomFrameViewAsh(widget);
 524     // Non-frameless app windows can be put into immersive fullscreen.
 525     immersive_fullscreen_controller_.reset(
 526         new ash::ImmersiveFullscreenController());
 527     custom_frame_view->InitImmersiveFullscreenControllerForView(
 528         immersive_fullscreen_controller_.get());
 529     custom_frame_view->GetHeaderView()->set_context_menu_controller(this);
 530     return custom_frame_view;
 531   }
 532 #endif
 533   return (IsFrameless() || has_frame_color_) ?
 534       CreateNonStandardAppFrame() : CreateStandardDesktopAppFrame();
 535 }
 536
 537 bool ChromeNativeAppWindowViews::WidgetHasHitTestMask() const {
 538   return shape_ != NULL;
 539 }
 540
 541 void ChromeNativeAppWindowViews::GetWidgetHitTestMask(gfx::Path* mask) const {
 542   shape_->getBoundaryPath(mask);
 543 }
 544
 545 // views::View implementation.
 546
 547 gfx::Size ChromeNativeAppWindowViews::GetPreferredSize() const {
 548   if (!preferred_size_.IsEmpty())
 549     return preferred_size_;
 550   return NativeAppWindowViews::GetPreferredSize();
 551 }
 552
 553 bool ChromeNativeAppWindowViews::AcceleratorPressed(
 554     const ui::Accelerator& accelerator) {
 555   const std::map<ui::Accelerator, int>& accelerator_table =
 556       GetAcceleratorTable();
 557   std::map<ui::Accelerator, int>::const_iterator iter =
 558       accelerator_table.find(accelerator);
 559   DCHECK(iter != accelerator_table.end());
 560   int command_id = iter->second;
 561   switch (command_id) {
 562     case IDC_CLOSE_WINDOW:
 563       Close();
 564       return true;
 565     case IDC_ZOOM_MINUS:
 566       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 567                              content::PAGE_ZOOM_OUT);
 568       return true;
 569     case IDC_ZOOM_NORMAL:
 570       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 571                              content::PAGE_ZOOM_RESET);
 572       return true;
 573     case IDC_ZOOM_PLUS:
 574       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 575                              content::PAGE_ZOOM_IN);
 576       return true;
 577     default:
 578       NOTREACHED() << "Unknown accelerator sent to app window.";
 579   }
 580   return NativeAppWindowViews::AcceleratorPressed(accelerator);
 581 }
 582
 583 // NativeAppWindow implementation.
 584
 585 void ChromeNativeAppWindowViews::SetFullscreen(int fullscreen_types) {
 586   // Fullscreen not supported by panels.
 587   if (app_window()->window_type_is_panel())
 588     return;
 589   is_fullscreen_ = (fullscreen_types != AppWindow::FULLSCREEN_TYPE_NONE);
 590   widget()->SetFullscreen(is_fullscreen_);
 591
 592   // TODO(oshima): Remove USE_ATHENA once athena has its own NativeAppWindow.
 593 #if defined(USE_ASH) && !defined(USE_ATHENA)
 594   if (immersive_fullscreen_controller_.get()) {
 595     // |immersive_fullscreen_controller_| should only be set if immersive
 596     // fullscreen is the fullscreen type used by the OS.
 597     immersive_fullscreen_controller_->SetEnabled(
 598         ash::ImmersiveFullscreenController::WINDOW_TYPE_PACKAGED_APP,
 599         (fullscreen_types & AppWindow::FULLSCREEN_TYPE_OS) != 0);
 600     // Autohide the shelf instead of hiding the shelf completely when only in
 601     // OS fullscreen.
 602     ash::wm::WindowState* window_state =
 603         ash::wm::GetWindowState(widget()->GetNativeWindow());
 604     window_state->set_hide_shelf_when_fullscreen(fullscreen_types !=
 605                                                  AppWindow::FULLSCREEN_TYPE_OS);
 606     DCHECK(ash::Shell::HasInstance());
 607     ash::Shell::GetInstance()->UpdateShelfVisibility();
 608   }
 609 #endif
 610
 611   // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
 612   // ever drop the window out of fullscreen in response to something that
 613   // wasn't the app calling webkitCancelFullScreen().
 614 }
 615
 616 bool ChromeNativeAppWindowViews::IsFullscreenOrPending() const {
 617   return is_fullscreen_;
 618 }
 619
 620 void ChromeNativeAppWindowViews::UpdateBadgeIcon() {
 621   const gfx::Image* icon = NULL;
 622   if (!app_window()->badge_icon().IsEmpty()) {
 623     icon = &app_window()->badge_icon();
 624     // chrome::DrawTaskbarDecoration can do interesting things with non-square
 625     // bitmaps.
 626     // TODO(benwells): Refactor chrome::DrawTaskbarDecoration to not be avatar
 627     // specific, and lift this restriction.
 628     if (icon->Width() != icon->Height()) {
 629       LOG(ERROR) << "Attempt to set a non-square badge; request ignored.";
 630       return;
 631     }
 632   }
 633   chrome::DrawTaskbarDecoration(GetNativeWindow(), icon);
 634 }
 635
 636 void ChromeNativeAppWindowViews::UpdateShape(scoped_ptr<SkRegion> region) {
 637   bool had_shape = shape_;
 638   shape_ = region.Pass();
 639
 640   aura::Window* native_window = widget()->GetNativeWindow();
 641   if (shape_) {
 642     widget()->SetShape(new SkRegion(*shape_));
 643     if (!had_shape) {
 644       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 645           new ShapedAppWindowTargeter(native_window, this)));
 646     }
 647   } else {
 648     widget()->SetShape(NULL);
 649     if (had_shape)
 650       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>());
 651   }
 652   widget()->OnSizeConstraintsChanged();
 653 }
 654
 655 bool ChromeNativeAppWindowViews::HasFrameColor() const {
 656   return has_frame_color_;
 657 }
 658
 659 SkColor ChromeNativeAppWindowViews::ActiveFrameColor() const {
 660   return active_frame_color_;
 661 }
 662
 663 SkColor ChromeNativeAppWindowViews::InactiveFrameColor() const {
 664   return inactive_frame_color_;
 665 }
 666
 667 // NativeAppWindowViews implementation.
 668
 669 void ChromeNativeAppWindowViews::InitializeWindow(
 670     AppWindow* app_window,
 671     const AppWindow::CreateParams& create_params) {
 672   DCHECK(widget());
 673   has_frame_color_ = create_params.has_frame_color;
 674   active_frame_color_ = create_params.active_frame_color;
 675   inactive_frame_color_ = create_params.inactive_frame_color;
 676   if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
 677       create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
 678     InitializePanelWindow(create_params);
 679   } else {
 680     InitializeDefaultWindow(create_params);
 681   }
 682   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
 683       Profile::FromBrowserContext(app_window->browser_context()),
 684       widget()->GetFocusManager(),
 685       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
 686       NULL));
 687 }