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/web_applications/web_app.h"
  19 #include "chrome/common/chrome_switches.h"
  20 #include "extensions/common/extension.h"
  21 #include "ui/aura/window.h"
  22 #include "ui/base/hit_test.h"
  23 #include "ui/base/models/simple_menu_model.h"
  24 #include "ui/gfx/image/image_skia.h"
  25 #include "ui/views/controls/menu/menu_runner.h"
  26 #include "ui/views/controls/webview/webview.h"
  27 #include "ui/views/widget/widget.h"
  28 #include "ui/wm/core/easy_resize_window_targeter.h"
  29 #include "ui/wm/core/shadow_types.h"
  30
  31 #if defined(OS_LINUX)
  32 #include "chrome/browser/shell_integration_linux.h"
  33 #endif
  34
  35 #if defined(USE_ASH)
  36 #include "ash/ash_constants.h"
  37 #include "ash/ash_switches.h"
  38 #include "ash/frame/custom_frame_view_ash.h"
  39 #include "ash/screen_util.h"
  40 #include "ash/shell.h"
  41 #include "ash/wm/immersive_fullscreen_controller.h"
  42 #include "ash/wm/panels/panel_frame_view.h"
  43 #include "ash/wm/window_properties.h"
  44 #include "ash/wm/window_state.h"
  45 #include "ash/wm/window_state_delegate.h"
  46 #include "ash/wm/window_state_observer.h"
  47 #include "chrome/browser/ui/ash/ash_util.h"
  48 #include "chrome/browser/ui/ash/multi_user/multi_user_context_menu.h"
  49 #include "ui/aura/client/aura_constants.h"
  50 #include "ui/aura/client/window_tree_client.h"
  51 #include "ui/aura/window_observer.h"
  52 #endif
  53
  54 using apps::AppWindow;
  55
  56 namespace {
  57
  58 const int kMinPanelWidth = 100;
  59 const int kMinPanelHeight = 100;
  60 const int kDefaultPanelWidth = 200;
  61 const int kDefaultPanelHeight = 300;
  62
  63 struct AcceleratorMapping {
  64   ui::KeyboardCode keycode;
  65   int modifiers;
  66   int command_id;
  67 };
  68
  69 const AcceleratorMapping kAppWindowAcceleratorMap[] = {
  70   { ui::VKEY_W, ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  71   { ui::VKEY_W, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  72   { ui::VKEY_F4, ui::EF_ALT_DOWN, IDC_CLOSE_WINDOW },
  73 };
  74
  75 // These accelerators will only be available in kiosk mode. These allow the
  76 // user to manually zoom app windows. This is only necessary in kiosk mode
  77 // (in normal mode, the user can zoom via the screen magnifier).
  78 // TODO(xiyuan): Write a test for kiosk accelerators.
  79 const AcceleratorMapping kAppWindowKioskAppModeAcceleratorMap[] = {
  80   { ui::VKEY_OEM_MINUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  81   { ui::VKEY_OEM_MINUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
  82     IDC_ZOOM_MINUS },
  83   { ui::VKEY_SUBTRACT, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  84   { ui::VKEY_OEM_PLUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  85   { ui::VKEY_OEM_PLUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  86   { ui::VKEY_ADD, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  87   { ui::VKEY_0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  88   { ui::VKEY_NUMPAD0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  89 };
  90
  91 void AddAcceleratorsFromMapping(const AcceleratorMapping mapping[],
  92                                 size_t mapping_length,
  93                                 std::map<ui::Accelerator, int>* accelerators) {
  94   for (size_t i = 0; i < mapping_length; ++i) {
  95     ui::Accelerator accelerator(mapping[i].keycode, mapping[i].modifiers);
  96     (*accelerators)[accelerator] = mapping[i].command_id;
  97   }
  98 }
  99
 100 const std::map<ui::Accelerator, int>& GetAcceleratorTable() {
 101   typedef std::map<ui::Accelerator, int> AcceleratorMap;
 102   CR_DEFINE_STATIC_LOCAL(AcceleratorMap, accelerators, ());
 103   if (accelerators.empty()) {
 104     AddAcceleratorsFromMapping(
 105         kAppWindowAcceleratorMap,
 106         arraysize(kAppWindowAcceleratorMap),
 107         &accelerators);
 108
 109     // Add accelerators for kiosk mode.
 110     if (chrome::IsRunningInForcedAppMode()) {
 111       AddAcceleratorsFromMapping(
 112           kAppWindowKioskAppModeAcceleratorMap,
 113           arraysize(kAppWindowKioskAppModeAcceleratorMap),
 114           &accelerators);
 115     }
 116   }
 117   return accelerators;
 118 }
 119
 120 #if defined(USE_ASH)
 121 // This class handles a user's fullscreen request (Shift+F4/F4).
 122 class NativeAppWindowStateDelegate : public ash::wm::WindowStateDelegate,
 123                                      public ash::wm::WindowStateObserver,
 124                                      public aura::WindowObserver {
 125  public:
 126   NativeAppWindowStateDelegate(AppWindow* app_window,
 127                                apps::NativeAppWindow* native_app_window)
 128       : app_window_(app_window),
 129         window_state_(
 130             ash::wm::GetWindowState(native_app_window->GetNativeWindow())) {
 131     // Add a window state observer to exit fullscreen properly in case
 132     // fullscreen is exited without going through AppWindow::Restore(). This
 133     // is the case when exiting immersive fullscreen via the "Restore" window
 134     // control.
 135     // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
 136     window_state_->AddObserver(this);
 137     window_state_->window()->AddObserver(this);
 138   }
 139   virtual ~NativeAppWindowStateDelegate() {
 140     if (window_state_) {
 141       window_state_->RemoveObserver(this);
 142       window_state_->window()->RemoveObserver(this);
 143     }
 144   }
 145
 146  private:
 147   // Overridden from ash::wm::WindowStateDelegate.
 148   virtual bool ToggleFullscreen(ash::wm::WindowState* window_state) OVERRIDE {
 149     // Windows which cannot be maximized should not be fullscreened.
 150     DCHECK(window_state->IsFullscreen() || window_state->CanMaximize());
 151     if (window_state->IsFullscreen())
 152       app_window_->Restore();
 153     else if (window_state->CanMaximize())
 154       app_window_->OSFullscreen();
 155     return true;
 156   }
 157
 158   // Overridden from ash::wm::WindowStateObserver:
 159   virtual void OnPostWindowStateTypeChange(
 160       ash::wm::WindowState* window_state,
 161       ash::wm::WindowStateType old_type) OVERRIDE {
 162     // Since the window state might get set by a window manager, it is possible
 163     // to come here before the application set its |BaseWindow|.
 164     if (!window_state->IsFullscreen() && !window_state->IsMinimized() &&
 165         app_window_->GetBaseWindow() &&
 166         app_window_->GetBaseWindow()->IsFullscreenOrPending()) {
 167       app_window_->Restore();
 168       // Usually OnNativeWindowChanged() is called when the window bounds are
 169       // changed as a result of a state type change. Because the change in state
 170       // type has already occurred, we need to call OnNativeWindowChanged()
 171       // explicitly.
 172       app_window_->OnNativeWindowChanged();
 173     }
 174   }
 175
 176   // Overridden from aura::WindowObserver:
 177   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE {
 178     window_state_->RemoveObserver(this);
 179     window_state_->window()->RemoveObserver(this);
 180     window_state_ = NULL;
 181   }
 182
 183   // Not owned.
 184   AppWindow* app_window_;
 185   ash::wm::WindowState* window_state_;
 186
 187   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowStateDelegate);
 188 };
 189 #endif  // USE_ASH
 190
 191 }  // namespace
 192
 193 ChromeNativeAppWindowViews::ChromeNativeAppWindowViews()
 194     : is_fullscreen_(false),
 195       has_frame_color_(false),
 196       active_frame_color_(SK_ColorBLACK),
 197       inactive_frame_color_(SK_ColorBLACK) {
 198 }
 199
 200 ChromeNativeAppWindowViews::~ChromeNativeAppWindowViews() {}
 201
 202 void ChromeNativeAppWindowViews::OnBeforeWidgetInit(
 203     views::Widget::InitParams* init_params,
 204     views::Widget* widget) {}
 205
 206 void ChromeNativeAppWindowViews::InitializeDefaultWindow(
 207     const AppWindow::CreateParams& create_params) {
 208   std::string app_name = web_app::GenerateApplicationNameFromExtensionId(
 209       app_window()->extension_id());
 210
 211   views::Widget::InitParams init_params(views::Widget::InitParams::TYPE_WINDOW);
 212   init_params.delegate = this;
 213   init_params.remove_standard_frame = IsFrameless() || has_frame_color_;
 214   init_params.use_system_default_icon = true;
 215   if (create_params.alpha_enabled)
 216     init_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
 217   init_params.keep_on_top = create_params.always_on_top;
 218
 219 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 220   // Set up a custom WM_CLASS for app windows. This allows task switchers in
 221   // X11 environments to distinguish them from main browser windows.
 222   init_params.wm_class_name = web_app::GetWMClassFromAppName(app_name);
 223   init_params.wm_class_class = shell_integration_linux::GetProgramClassName();
 224   const char kX11WindowRoleApp[] = "app";
 225   init_params.wm_role_name = std::string(kX11WindowRoleApp);
 226 #endif
 227
 228   OnBeforeWidgetInit(&init_params, widget());
 229   widget()->Init(init_params);
 230
 231   // The frame insets are required to resolve the bounds specifications
 232   // correctly. So we set the window bounds and constraints now.
 233   gfx::Insets frame_insets = GetFrameInsets();
 234   gfx::Rect window_bounds = create_params.GetInitialWindowBounds(frame_insets);
 235   SetContentSizeConstraints(create_params.GetContentMinimumSize(frame_insets),
 236                             create_params.GetContentMaximumSize(frame_insets));
 237   if (!window_bounds.IsEmpty()) {
 238     typedef apps::AppWindow::BoundsSpecification BoundsSpecification;
 239     bool position_specified =
 240         window_bounds.x() != BoundsSpecification::kUnspecifiedPosition &&
 241         window_bounds.y() != BoundsSpecification::kUnspecifiedPosition;
 242     if (!position_specified)
 243       widget()->CenterWindow(window_bounds.size());
 244     else
 245       widget()->SetBounds(window_bounds);
 246   }
 247
 248   if (IsFrameless() &&
 249       init_params.opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW) {
 250     // The given window is most likely not rectangular since it uses
 251     // transparency and has no standard frame, don't show a shadow for it.
 252     // TODO(skuhne): If we run into an application which should have a shadow
 253     // but does not have, a new attribute has to be added.
 254     wm::SetShadowType(widget()->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
 255   }
 256
 257   // Register accelarators supported by app windows.
 258   // TODO(jeremya/stevenjb): should these be registered for panels too?
 259   views::FocusManager* focus_manager = GetFocusManager();
 260   const std::map<ui::Accelerator, int>& accelerator_table =
 261       GetAcceleratorTable();
 262   const bool is_kiosk_app_mode = chrome::IsRunningInForcedAppMode();
 263
 264   // Ensures that kiosk mode accelerators are enabled when in kiosk mode (to be
 265   // future proof). This is needed because GetAcceleratorTable() uses a static
 266   // to store data and only checks kiosk mode once. If a platform app is
 267   // launched before kiosk mode starts, the kiosk accelerators will not be
 268   // registered. This DCHECK catches the case.
 269   DCHECK(!is_kiosk_app_mode ||
 270          accelerator_table.size() ==
 271              arraysize(kAppWindowAcceleratorMap) +
 272                  arraysize(kAppWindowKioskAppModeAcceleratorMap));
 273
 274   for (std::map<ui::Accelerator, int>::const_iterator iter =
 275            accelerator_table.begin();
 276        iter != accelerator_table.end(); ++iter) {
 277     if (is_kiosk_app_mode && !chrome::IsCommandAllowedInAppMode(iter->second))
 278       continue;
 279
 280     focus_manager->RegisterAccelerator(
 281         iter->first, ui::AcceleratorManager::kNormalPriority, this);
 282   }
 283 }
 284
 285 void ChromeNativeAppWindowViews::InitializePanelWindow(
 286     const AppWindow::CreateParams& create_params) {
 287   views::Widget::InitParams params(views::Widget::InitParams::TYPE_PANEL);
 288   params.delegate = this;
 289
 290   gfx::Rect initial_window_bounds =
 291       create_params.GetInitialWindowBounds(gfx::Insets());
 292   preferred_size_ = gfx::Size(initial_window_bounds.width(),
 293                               initial_window_bounds.height());
 294   if (preferred_size_.width() == 0)
 295     preferred_size_.set_width(kDefaultPanelWidth);
 296   else if (preferred_size_.width() < kMinPanelWidth)
 297     preferred_size_.set_width(kMinPanelWidth);
 298
 299   if (preferred_size_.height() == 0)
 300     preferred_size_.set_height(kDefaultPanelHeight);
 301   else if (preferred_size_.height() < kMinPanelHeight)
 302     preferred_size_.set_height(kMinPanelHeight);
 303 #if defined(USE_ASH)
 304   if (ash::Shell::HasInstance()) {
 305     // Open a new panel on the target root.
 306     aura::Window* target = ash::Shell::GetTargetRootWindow();
 307     params.bounds = ash::ScreenUtil::ConvertRectToScreen(
 308         target, gfx::Rect(preferred_size_));
 309   } else {
 310     params.bounds = gfx::Rect(preferred_size_);
 311   }
 312 #else
 313   params.bounds = gfx::Rect(preferred_size_);
 314 #endif
 315   widget()->Init(params);
 316   widget()->set_focus_on_creation(create_params.focused);
 317
 318 #if defined(USE_ASH)
 319   if (create_params.state == ui::SHOW_STATE_DETACHED) {
 320     gfx::Rect window_bounds(initial_window_bounds.x(),
 321                             initial_window_bounds.y(),
 322                             preferred_size_.width(),
 323                             preferred_size_.height());
 324     aura::Window* native_window = GetNativeWindow();
 325     ash::wm::GetWindowState(native_window)->set_panel_attached(false);
 326     aura::client::ParentWindowWithContext(native_window,
 327                                           native_window->GetRootWindow(),
 328                                           native_window->GetBoundsInScreen());
 329     widget()->SetBounds(window_bounds);
 330   }
 331 #else
 332   // TODO(stevenjb): NativeAppWindow panels need to be implemented for other
 333   // platforms.
 334 #endif
 335 }
 336
 337 views::NonClientFrameView*
 338 ChromeNativeAppWindowViews::CreateStandardDesktopAppFrame() {
 339   return views::WidgetDelegateView::CreateNonClientFrameView(widget());
 340 }
 341
 342 apps::AppWindowFrameView*
 343 ChromeNativeAppWindowViews::CreateNonStandardAppFrame() {
 344   apps::AppWindowFrameView* frame =
 345       new apps::AppWindowFrameView(widget(),
 346                                    this,
 347                                    has_frame_color_,
 348                                    active_frame_color_,
 349                                    inactive_frame_color_);
 350   frame->Init();
 351 #if defined(USE_ASH)
 352   // For Aura windows on the Ash desktop the sizes are different and the user
 353   // can resize the window from slightly outside the bounds as well.
 354   if (chrome::IsNativeWindowInAsh(widget()->GetNativeWindow())) {
 355     frame->SetResizeSizes(ash::kResizeInsideBoundsSize,
 356                           ash::kResizeOutsideBoundsSize,
 357                           ash::kResizeAreaCornerSize);
 358   }
 359 #endif
 360
 361 #if !defined(OS_CHROMEOS)
 362   // For non-Ash windows, install an easy resize window targeter, which ensures
 363   // that the root window (not the app) receives mouse events on the edges.
 364   if (chrome::GetHostDesktopTypeForNativeWindow(widget()->GetNativeWindow()) !=
 365       chrome::HOST_DESKTOP_TYPE_ASH) {
 366     aura::Window* window = widget()->GetNativeWindow();
 367     int resize_inside = frame->resize_inside_bounds_size();
 368     gfx::Insets inset(
 369         resize_inside, resize_inside, resize_inside, resize_inside);
 370     // Add the EasyResizeWindowTargeter on the window, not its root window. The
 371     // root window does not have a delegate, which is needed to handle the event
 372     // in Linux.
 373     window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 374         new wm::EasyResizeWindowTargeter(window, inset, inset)));
 375   }
 376 #endif
 377
 378   return frame;
 379 }
 380
 381 // ui::BaseWindow implementation.
 382
 383 gfx::Rect ChromeNativeAppWindowViews::GetRestoredBounds() const {
 384 #if defined(USE_ASH)
 385   gfx::Rect* bounds = widget()->GetNativeWindow()->GetProperty(
 386       ash::kRestoreBoundsOverrideKey);
 387   if (bounds && !bounds->IsEmpty())
 388     return *bounds;
 389 #endif
 390   return widget()->GetRestoredBounds();
 391 }
 392
 393 ui::WindowShowState ChromeNativeAppWindowViews::GetRestoredState() const {
 394 #if !defined(USE_ASH)
 395   if (IsMaximized())
 396     return ui::SHOW_STATE_MAXIMIZED;
 397   if (IsFullscreen())
 398     return ui::SHOW_STATE_FULLSCREEN;
 399 #else
 400   // Use kRestoreShowStateKey in case a window is minimized/hidden.
 401   ui::WindowShowState restore_state = widget()->GetNativeWindow()->GetProperty(
 402       aura::client::kRestoreShowStateKey);
 403   if (widget()->GetNativeWindow()->GetProperty(
 404           ash::kRestoreBoundsOverrideKey)) {
 405     // If an override is given, we use that restore state (after filtering).
 406     restore_state = widget()->GetNativeWindow()->GetProperty(
 407                         ash::kRestoreShowStateOverrideKey);
 408   } else {
 409     // Otherwise first normal states are checked.
 410     if (IsMaximized())
 411       return ui::SHOW_STATE_MAXIMIZED;
 412     if (IsFullscreen()) {
 413       if (immersive_fullscreen_controller_.get() &&
 414           immersive_fullscreen_controller_->IsEnabled()) {
 415         // Restore windows which were previously in immersive fullscreen to
 416         // maximized. Restoring the window to a different fullscreen type
 417         // makes for a bad experience.
 418         return ui::SHOW_STATE_MAXIMIZED;
 419       }
 420       return ui::SHOW_STATE_FULLSCREEN;
 421     }
 422   }
 423   // Whitelist states to return so that invalid and transient states
 424   // are not saved and used to restore windows when they are recreated.
 425   switch (restore_state) {
 426     case ui::SHOW_STATE_NORMAL:
 427     case ui::SHOW_STATE_MAXIMIZED:
 428     case ui::SHOW_STATE_FULLSCREEN:
 429     case ui::SHOW_STATE_DETACHED:
 430       return restore_state;
 431
 432     case ui::SHOW_STATE_DEFAULT:
 433     case ui::SHOW_STATE_MINIMIZED:
 434     case ui::SHOW_STATE_INACTIVE:
 435     case ui::SHOW_STATE_END:
 436       return ui::SHOW_STATE_NORMAL;
 437   }
 438 #endif  // !defined(USE_ASH)
 439   return ui::SHOW_STATE_NORMAL;
 440 }
 441
 442 bool ChromeNativeAppWindowViews::IsAlwaysOnTop() const {
 443   if (app_window()->window_type_is_panel()) {
 444 #if defined(USE_ASH)
 445     return ash::wm::GetWindowState(widget()->GetNativeWindow())
 446         ->panel_attached();
 447 #else
 448     return true;
 449 #endif
 450   } else {
 451     return widget()->IsAlwaysOnTop();
 452   }
 453 }
 454
 455 // views::ContextMenuController implementation.
 456
 457 void ChromeNativeAppWindowViews::ShowContextMenuForView(
 458     views::View* source,
 459     const gfx::Point& p,
 460     ui::MenuSourceType source_type) {
 461 #if defined(USE_ASH) && defined(OS_CHROMEOS)
 462   scoped_ptr<ui::MenuModel> model =
 463       CreateMultiUserContextMenu(app_window()->GetNativeWindow());
 464   if (!model.get())
 465     return;
 466
 467   // Only show context menu if point is in caption.
 468   gfx::Point point_in_view_coords(p);
 469   views::View::ConvertPointFromScreen(widget()->non_client_view(),
 470                                       &point_in_view_coords);
 471   int hit_test =
 472       widget()->non_client_view()->NonClientHitTest(point_in_view_coords);
 473   if (hit_test == HTCAPTION) {
 474     menu_runner_.reset(new views::MenuRunner(
 475         model.get(),
 476         views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
 477     if (menu_runner_->RunMenuAt(source->GetWidget(),
 478                                 NULL,
 479                                 gfx::Rect(p, gfx::Size(0, 0)),
 480                                 views::MENU_ANCHOR_TOPLEFT,
 481                                 source_type) ==
 482         views::MenuRunner::MENU_DELETED) {
 483       return;
 484     }
 485   }
 486 #endif
 487 }
 488
 489 // views::WidgetDelegate implementation.
 490
 491 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowAppIcon() {
 492   gfx::Image app_icon = app_window()->app_icon();
 493   if (app_icon.IsEmpty())
 494     return GetWindowIcon();
 495   else
 496     return *app_icon.ToImageSkia();
 497 }
 498
 499 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowIcon() {
 500   content::WebContents* web_contents = app_window()->web_contents();
 501   if (web_contents) {
 502     FaviconTabHelper* favicon_tab_helper =
 503         FaviconTabHelper::FromWebContents(web_contents);
 504     gfx::Image app_icon = favicon_tab_helper->GetFavicon();
 505     if (!app_icon.IsEmpty())
 506       return *app_icon.ToImageSkia();
 507   }
 508   return gfx::ImageSkia();
 509 }
 510
 511 views::NonClientFrameView* ChromeNativeAppWindowViews::CreateNonClientFrameView(
 512     views::Widget* widget) {
 513 #if defined(USE_ASH)
 514   if (chrome::IsNativeViewInAsh(widget->GetNativeView())) {
 515     // Set the delegate now because CustomFrameViewAsh sets the
 516     // WindowStateDelegate if one is not already set.
 517     ash::wm::GetWindowState(GetNativeWindow())->SetDelegate(
 518         scoped_ptr<ash::wm::WindowStateDelegate>(
 519             new NativeAppWindowStateDelegate(app_window(), this)).Pass());
 520
 521     if (app_window()->window_type_is_panel()) {
 522       ash::PanelFrameView::FrameType frame_type = IsFrameless() ?
 523           ash::PanelFrameView::FRAME_NONE : ash::PanelFrameView::FRAME_ASH;
 524       views::NonClientFrameView* frame_view =
 525           new ash::PanelFrameView(widget, frame_type);
 526       frame_view->set_context_menu_controller(this);
 527       return frame_view;
 528     }
 529
 530     if (IsFrameless())
 531       return CreateNonStandardAppFrame();
 532
 533     ash::CustomFrameViewAsh* custom_frame_view =
 534         new ash::CustomFrameViewAsh(widget);
 535     // Non-frameless app windows can be put into immersive fullscreen.
 536     immersive_fullscreen_controller_.reset(
 537         new ash::ImmersiveFullscreenController());
 538     custom_frame_view->InitImmersiveFullscreenControllerForView(
 539         immersive_fullscreen_controller_.get());
 540     custom_frame_view->GetHeaderView()->set_context_menu_controller(this);
 541     return custom_frame_view;
 542   }
 543 #endif
 544   return (IsFrameless() || has_frame_color_) ?
 545       CreateNonStandardAppFrame() : CreateStandardDesktopAppFrame();
 546 }
 547
 548 bool ChromeNativeAppWindowViews::WidgetHasHitTestMask() const {
 549   return shape_ != NULL;
 550 }
 551
 552 void ChromeNativeAppWindowViews::GetWidgetHitTestMask(gfx::Path* mask) const {
 553   shape_->getBoundaryPath(mask);
 554 }
 555
 556 // views::View implementation.
 557
 558 gfx::Size ChromeNativeAppWindowViews::GetPreferredSize() const {
 559   if (!preferred_size_.IsEmpty())
 560     return preferred_size_;
 561   return NativeAppWindowViews::GetPreferredSize();
 562 }
 563
 564 bool ChromeNativeAppWindowViews::AcceleratorPressed(
 565     const ui::Accelerator& accelerator) {
 566   const std::map<ui::Accelerator, int>& accelerator_table =
 567       GetAcceleratorTable();
 568   std::map<ui::Accelerator, int>::const_iterator iter =
 569       accelerator_table.find(accelerator);
 570   DCHECK(iter != accelerator_table.end());
 571   int command_id = iter->second;
 572   switch (command_id) {
 573     case IDC_CLOSE_WINDOW:
 574       Close();
 575       return true;
 576     case IDC_ZOOM_MINUS:
 577       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 578                              content::PAGE_ZOOM_OUT);
 579       return true;
 580     case IDC_ZOOM_NORMAL:
 581       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 582                              content::PAGE_ZOOM_RESET);
 583       return true;
 584     case IDC_ZOOM_PLUS:
 585       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 586                              content::PAGE_ZOOM_IN);
 587       return true;
 588     default:
 589       NOTREACHED() << "Unknown accelerator sent to app window.";
 590   }
 591   return NativeAppWindowViews::AcceleratorPressed(accelerator);
 592 }
 593
 594 // NativeAppWindow implementation.
 595
 596 void ChromeNativeAppWindowViews::SetFullscreen(int fullscreen_types) {
 597   // Fullscreen not supported by panels.
 598   if (app_window()->window_type_is_panel())
 599     return;
 600   is_fullscreen_ = (fullscreen_types != AppWindow::FULLSCREEN_TYPE_NONE);
 601   widget()->SetFullscreen(is_fullscreen_);
 602
 603 #if defined(USE_ASH)
 604   if (immersive_fullscreen_controller_.get()) {
 605     // |immersive_fullscreen_controller_| should only be set if immersive
 606     // fullscreen is the fullscreen type used by the OS.
 607     immersive_fullscreen_controller_->SetEnabled(
 608         ash::ImmersiveFullscreenController::WINDOW_TYPE_PACKAGED_APP,
 609         (fullscreen_types & AppWindow::FULLSCREEN_TYPE_OS) != 0);
 610     // Autohide the shelf instead of hiding the shelf completely when only in
 611     // OS fullscreen.
 612     ash::wm::WindowState* window_state =
 613         ash::wm::GetWindowState(widget()->GetNativeWindow());
 614     window_state->set_hide_shelf_when_fullscreen(fullscreen_types !=
 615                                                  AppWindow::FULLSCREEN_TYPE_OS);
 616     DCHECK(ash::Shell::HasInstance());
 617     ash::Shell::GetInstance()->UpdateShelfVisibility();
 618   }
 619 #endif
 620
 621   // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
 622   // ever drop the window out of fullscreen in response to something that
 623   // wasn't the app calling webkitCancelFullScreen().
 624 }
 625
 626 bool ChromeNativeAppWindowViews::IsFullscreenOrPending() const {
 627   return is_fullscreen_;
 628 }
 629
 630 bool ChromeNativeAppWindowViews::IsDetached() const {
 631   if (!app_window()->window_type_is_panel())
 632     return false;
 633 #if defined(USE_ASH)
 634   return !ash::wm::GetWindowState(widget()->GetNativeWindow())
 635               ->panel_attached();
 636 #else
 637   return false;
 638 #endif
 639 }
 640
 641 void ChromeNativeAppWindowViews::UpdateBadgeIcon() {
 642   const gfx::Image* icon = NULL;
 643   if (!app_window()->badge_icon().IsEmpty()) {
 644     icon = &app_window()->badge_icon();
 645     // chrome::DrawTaskbarDecoration can do interesting things with non-square
 646     // bitmaps.
 647     // TODO(benwells): Refactor chrome::DrawTaskbarDecoration to not be avatar
 648     // specific, and lift this restriction.
 649     if (icon->Width() != icon->Height()) {
 650       LOG(ERROR) << "Attempt to set a non-square badge; request ignored.";
 651       return;
 652     }
 653   }
 654   chrome::DrawTaskbarDecoration(GetNativeWindow(), icon);
 655 }
 656
 657 void ChromeNativeAppWindowViews::UpdateShape(scoped_ptr<SkRegion> region) {
 658   bool had_shape = shape_;
 659   shape_ = region.Pass();
 660
 661   aura::Window* native_window = widget()->GetNativeWindow();
 662   if (shape_) {
 663     widget()->SetShape(new SkRegion(*shape_));
 664     if (!had_shape) {
 665       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 666           new ShapedAppWindowTargeter(native_window, this)));
 667     }
 668   } else {
 669     widget()->SetShape(NULL);
 670     if (had_shape)
 671       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>());
 672   }
 673 }
 674
 675 bool ChromeNativeAppWindowViews::HasFrameColor() const {
 676   return has_frame_color_;
 677 }
 678
 679 SkColor ChromeNativeAppWindowViews::ActiveFrameColor() const {
 680   return active_frame_color_;
 681 }
 682
 683 SkColor ChromeNativeAppWindowViews::InactiveFrameColor() const {
 684   return inactive_frame_color_;
 685 }
 686
 687 // NativeAppWindowViews implementation.
 688
 689 void ChromeNativeAppWindowViews::InitializeWindow(
 690     AppWindow* app_window,
 691     const AppWindow::CreateParams& create_params) {
 692   DCHECK(widget());
 693   has_frame_color_ = create_params.has_frame_color;
 694   active_frame_color_ = create_params.active_frame_color;
 695   inactive_frame_color_ = create_params.inactive_frame_color;
 696   if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
 697       create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
 698     InitializePanelWindow(create_params);
 699   } else {
 700     InitializeDefaultWindow(create_params);
 701   }
 702   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
 703       Profile::FromBrowserContext(app_window->browser_context()),
 704       widget()->GetFocusManager(),
 705       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
 706       NULL));
 707 }