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 #if defined(OS_CHROMEOS)
  56 #include "ash/shell_window_ids.h"
  57 #endif
  58
  59 using extensions::AppWindow;
  60
  61 namespace {
  62
  63 const int kMinPanelWidth = 100;
  64 const int kMinPanelHeight = 100;
  65 const int kDefaultPanelWidth = 200;
  66 const int kDefaultPanelHeight = 300;
  67
  68 struct AcceleratorMapping {
  69   ui::KeyboardCode keycode;
  70   int modifiers;
  71   int command_id;
  72 };
  73
  74 const AcceleratorMapping kAppWindowAcceleratorMap[] = {
  75   { ui::VKEY_W, ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  76   { ui::VKEY_W, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
  77   { ui::VKEY_F4, ui::EF_ALT_DOWN, IDC_CLOSE_WINDOW },
  78 };
  79
  80 // These accelerators will only be available in kiosk mode. These allow the
  81 // user to manually zoom app windows. This is only necessary in kiosk mode
  82 // (in normal mode, the user can zoom via the screen magnifier).
  83 // TODO(xiyuan): Write a test for kiosk accelerators.
  84 const AcceleratorMapping kAppWindowKioskAppModeAcceleratorMap[] = {
  85   { ui::VKEY_OEM_MINUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  86   { ui::VKEY_OEM_MINUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
  87     IDC_ZOOM_MINUS },
  88   { ui::VKEY_SUBTRACT, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
  89   { ui::VKEY_OEM_PLUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  90   { ui::VKEY_OEM_PLUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  91   { ui::VKEY_ADD, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
  92   { ui::VKEY_0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  93   { ui::VKEY_NUMPAD0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
  94 };
  95
  96 void AddAcceleratorsFromMapping(const AcceleratorMapping mapping[],
  97                                 size_t mapping_length,
  98                                 std::map<ui::Accelerator, int>* accelerators) {
  99   for (size_t i = 0; i < mapping_length; ++i) {
 100     ui::Accelerator accelerator(mapping[i].keycode, mapping[i].modifiers);
 101     (*accelerators)[accelerator] = mapping[i].command_id;
 102   }
 103 }
 104
 105 const std::map<ui::Accelerator, int>& GetAcceleratorTable() {
 106   typedef std::map<ui::Accelerator, int> AcceleratorMap;
 107   CR_DEFINE_STATIC_LOCAL(AcceleratorMap, accelerators, ());
 108   if (accelerators.empty()) {
 109     AddAcceleratorsFromMapping(
 110         kAppWindowAcceleratorMap,
 111         arraysize(kAppWindowAcceleratorMap),
 112         &accelerators);
 113
 114     // Add accelerators for kiosk mode.
 115     if (chrome::IsRunningInForcedAppMode()) {
 116       AddAcceleratorsFromMapping(
 117           kAppWindowKioskAppModeAcceleratorMap,
 118           arraysize(kAppWindowKioskAppModeAcceleratorMap),
 119           &accelerators);
 120     }
 121   }
 122   return accelerators;
 123 }
 124
 125 #if defined(USE_ASH)
 126 // This class handles a user's fullscreen request (Shift+F4/F4).
 127 class NativeAppWindowStateDelegate : public ash::wm::WindowStateDelegate,
 128                                      public ash::wm::WindowStateObserver,
 129                                      public aura::WindowObserver {
 130  public:
 131   NativeAppWindowStateDelegate(AppWindow* app_window,
 132                                extensions::NativeAppWindow* native_app_window)
 133       : app_window_(app_window),
 134         window_state_(
 135             ash::wm::GetWindowState(native_app_window->GetNativeWindow())) {
 136     // Add a window state observer to exit fullscreen properly in case
 137     // fullscreen is exited without going through AppWindow::Restore(). This
 138     // is the case when exiting immersive fullscreen via the "Restore" window
 139     // control.
 140     // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
 141     window_state_->AddObserver(this);
 142     window_state_->window()->AddObserver(this);
 143   }
 144   virtual ~NativeAppWindowStateDelegate() {
 145     if (window_state_) {
 146       window_state_->RemoveObserver(this);
 147       window_state_->window()->RemoveObserver(this);
 148     }
 149   }
 150
 151  private:
 152   // Overridden from ash::wm::WindowStateDelegate.
 153   virtual bool ToggleFullscreen(ash::wm::WindowState* window_state) override {
 154     // Windows which cannot be maximized should not be fullscreened.
 155     DCHECK(window_state->IsFullscreen() || window_state->CanMaximize());
 156     if (window_state->IsFullscreen())
 157       app_window_->Restore();
 158     else if (window_state->CanMaximize())
 159       app_window_->OSFullscreen();
 160     return true;
 161   }
 162
 163   // Overridden from ash::wm::WindowStateObserver:
 164   virtual void OnPostWindowStateTypeChange(
 165       ash::wm::WindowState* window_state,
 166       ash::wm::WindowStateType old_type) override {
 167     // Since the window state might get set by a window manager, it is possible
 168     // to come here before the application set its |BaseWindow|.
 169     if (!window_state->IsFullscreen() && !window_state->IsMinimized() &&
 170         app_window_->GetBaseWindow() &&
 171         app_window_->GetBaseWindow()->IsFullscreenOrPending()) {
 172       app_window_->Restore();
 173       // Usually OnNativeWindowChanged() is called when the window bounds are
 174       // changed as a result of a state type change. Because the change in state
 175       // type has already occurred, we need to call OnNativeWindowChanged()
 176       // explicitly.
 177       app_window_->OnNativeWindowChanged();
 178     }
 179   }
 180
 181   // Overridden from aura::WindowObserver:
 182   virtual void OnWindowDestroying(aura::Window* window) override {
 183     window_state_->RemoveObserver(this);
 184     window_state_->window()->RemoveObserver(this);
 185     window_state_ = NULL;
 186   }
 187
 188   // Not owned.
 189   AppWindow* app_window_;
 190   ash::wm::WindowState* window_state_;
 191
 192   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowStateDelegate);
 193 };
 194 #endif  // USE_ASH
 195
 196 }  // namespace
 197
 198 ChromeNativeAppWindowViews::ChromeNativeAppWindowViews()
 199     : is_fullscreen_(false),
 200       has_frame_color_(false),
 201       active_frame_color_(SK_ColorBLACK),
 202       inactive_frame_color_(SK_ColorBLACK) {
 203 }
 204
 205 ChromeNativeAppWindowViews::~ChromeNativeAppWindowViews() {}
 206
 207 void ChromeNativeAppWindowViews::OnBeforeWidgetInit(
 208     views::Widget::InitParams* init_params,
 209     views::Widget* widget) {}
 210
 211 void ChromeNativeAppWindowViews::InitializeDefaultWindow(
 212     const AppWindow::CreateParams& create_params) {
 213   std::string app_name = web_app::GenerateApplicationNameFromExtensionId(
 214       app_window()->extension_id());
 215
 216   views::Widget::InitParams init_params(views::Widget::InitParams::TYPE_WINDOW);
 217   init_params.delegate = this;
 218   init_params.remove_standard_frame = IsFrameless() || has_frame_color_;
 219   init_params.use_system_default_icon = true;
 220   if (create_params.alpha_enabled)
 221     init_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
 222   init_params.keep_on_top = create_params.always_on_top;
 223   init_params.visible_on_all_workspaces =
 224       create_params.visible_on_all_workspaces;
 225
 226 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 227   // Set up a custom WM_CLASS for app windows. This allows task switchers in
 228   // X11 environments to distinguish them from main browser windows.
 229   init_params.wm_class_name = web_app::GetWMClassFromAppName(app_name);
 230   init_params.wm_class_class = shell_integration_linux::GetProgramClassName();
 231   const char kX11WindowRoleApp[] = "app";
 232   init_params.wm_role_name = std::string(kX11WindowRoleApp);
 233 #endif
 234
 235   OnBeforeWidgetInit(&init_params, widget());
 236 #if defined(OS_CHROMEOS)
 237   if (create_params.is_ime_window) {
 238     // Puts ime windows into ime window container.
 239     init_params.parent =
 240         ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
 241                                  ash::kShellWindowId_ImeWindowParentContainer);
 242   }
 243 #endif
 244   widget()->Init(init_params);
 245
 246   // The frame insets are required to resolve the bounds specifications
 247   // correctly. So we set the window bounds and constraints now.
 248   gfx::Insets frame_insets = GetFrameInsets();
 249   gfx::Rect window_bounds = create_params.GetInitialWindowBounds(frame_insets);
 250   SetContentSizeConstraints(create_params.GetContentMinimumSize(frame_insets),
 251                             create_params.GetContentMaximumSize(frame_insets));
 252   if (!window_bounds.IsEmpty()) {
 253     typedef AppWindow::BoundsSpecification BoundsSpecification;
 254     bool position_specified =
 255         window_bounds.x() != BoundsSpecification::kUnspecifiedPosition &&
 256         window_bounds.y() != BoundsSpecification::kUnspecifiedPosition;
 257     if (!position_specified)
 258       widget()->CenterWindow(window_bounds.size());
 259     else
 260       widget()->SetBounds(window_bounds);
 261   }
 262
 263   if (IsFrameless() &&
 264       init_params.opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW) {
 265     // The given window is most likely not rectangular since it uses
 266     // transparency and has no standard frame, don't show a shadow for it.
 267     // TODO(skuhne): If we run into an application which should have a shadow
 268     // but does not have, a new attribute has to be added.
 269     wm::SetShadowType(widget()->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
 270   }
 271
 272 #if defined(OS_CHROMEOS)
 273   if (create_params.is_ime_window)
 274     return;
 275 #endif
 276
 277   // Register accelarators supported by app windows.
 278   // TODO(jeremya/stevenjb): should these be registered for panels too?
 279   views::FocusManager* focus_manager = GetFocusManager();
 280   const std::map<ui::Accelerator, int>& accelerator_table =
 281       GetAcceleratorTable();
 282   const bool is_kiosk_app_mode = chrome::IsRunningInForcedAppMode();
 283
 284   // Ensures that kiosk mode accelerators are enabled when in kiosk mode (to be
 285   // future proof). This is needed because GetAcceleratorTable() uses a static
 286   // to store data and only checks kiosk mode once. If a platform app is
 287   // launched before kiosk mode starts, the kiosk accelerators will not be
 288   // registered. This DCHECK catches the case.
 289   DCHECK(!is_kiosk_app_mode ||
 290          accelerator_table.size() ==
 291              arraysize(kAppWindowAcceleratorMap) +
 292                  arraysize(kAppWindowKioskAppModeAcceleratorMap));
 293
 294   // Ensure there is a ZoomController in kiosk mode, otherwise the processing
 295   // of the accelerators will cause a crash.
 296   DCHECK(!is_kiosk_app_mode ||
 297          ZoomController::FromWebContents(web_view()->GetWebContents()));
 298
 299   for (std::map<ui::Accelerator, int>::const_iterator iter =
 300            accelerator_table.begin();
 301        iter != accelerator_table.end(); ++iter) {
 302     if (is_kiosk_app_mode && !chrome::IsCommandAllowedInAppMode(iter->second))
 303       continue;
 304
 305     focus_manager->RegisterAccelerator(
 306         iter->first, ui::AcceleratorManager::kNormalPriority, this);
 307   }
 308 }
 309
 310 void ChromeNativeAppWindowViews::InitializePanelWindow(
 311     const AppWindow::CreateParams& create_params) {
 312   views::Widget::InitParams params(views::Widget::InitParams::TYPE_PANEL);
 313   params.delegate = this;
 314
 315   gfx::Rect initial_window_bounds =
 316       create_params.GetInitialWindowBounds(gfx::Insets());
 317   preferred_size_ = gfx::Size(initial_window_bounds.width(),
 318                               initial_window_bounds.height());
 319   if (preferred_size_.width() == 0)
 320     preferred_size_.set_width(kDefaultPanelWidth);
 321   else if (preferred_size_.width() < kMinPanelWidth)
 322     preferred_size_.set_width(kMinPanelWidth);
 323
 324   if (preferred_size_.height() == 0)
 325     preferred_size_.set_height(kDefaultPanelHeight);
 326   else if (preferred_size_.height() < kMinPanelHeight)
 327     preferred_size_.set_height(kMinPanelHeight);
 328 #if defined(USE_ASH)
 329   if (ash::Shell::HasInstance()) {
 330     // Open a new panel on the target root.
 331     aura::Window* target = ash::Shell::GetTargetRootWindow();
 332     params.bounds = ash::ScreenUtil::ConvertRectToScreen(
 333         target, gfx::Rect(preferred_size_));
 334   } else {
 335     params.bounds = gfx::Rect(preferred_size_);
 336   }
 337 #else
 338   params.bounds = gfx::Rect(preferred_size_);
 339 #endif
 340   widget()->Init(params);
 341   widget()->set_focus_on_creation(create_params.focused);
 342 }
 343
 344 views::NonClientFrameView*
 345 ChromeNativeAppWindowViews::CreateStandardDesktopAppFrame() {
 346   return views::WidgetDelegateView::CreateNonClientFrameView(widget());
 347 }
 348
 349 apps::AppWindowFrameView*
 350 ChromeNativeAppWindowViews::CreateNonStandardAppFrame() {
 351   apps::AppWindowFrameView* frame =
 352       new apps::AppWindowFrameView(widget(),
 353                                    this,
 354                                    has_frame_color_,
 355                                    active_frame_color_,
 356                                    inactive_frame_color_);
 357   frame->Init();
 358 #if defined(USE_ASH)
 359   // For Aura windows on the Ash desktop the sizes are different and the user
 360   // can resize the window from slightly outside the bounds as well.
 361   if (chrome::IsNativeWindowInAsh(widget()->GetNativeWindow())) {
 362     frame->SetResizeSizes(ash::kResizeInsideBoundsSize,
 363                           ash::kResizeOutsideBoundsSize,
 364                           ash::kResizeAreaCornerSize);
 365   }
 366 #endif
 367
 368 #if !defined(OS_CHROMEOS)
 369   // For non-Ash windows, install an easy resize window targeter, which ensures
 370   // that the root window (not the app) receives mouse events on the edges.
 371   if (chrome::GetHostDesktopTypeForNativeWindow(widget()->GetNativeWindow()) !=
 372       chrome::HOST_DESKTOP_TYPE_ASH) {
 373     aura::Window* window = widget()->GetNativeWindow();
 374     int resize_inside = frame->resize_inside_bounds_size();
 375     gfx::Insets inset(
 376         resize_inside, resize_inside, resize_inside, resize_inside);
 377     // Add the EasyResizeWindowTargeter on the window, not its root window. The
 378     // root window does not have a delegate, which is needed to handle the event
 379     // in Linux.
 380     window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 381         new wm::EasyResizeWindowTargeter(window, inset, inset)));
 382   }
 383 #endif
 384
 385   return frame;
 386 }
 387
 388 // ui::BaseWindow implementation.
 389
 390 gfx::Rect ChromeNativeAppWindowViews::GetRestoredBounds() const {
 391 #if defined(USE_ASH)
 392   gfx::Rect* bounds = widget()->GetNativeWindow()->GetProperty(
 393       ash::kRestoreBoundsOverrideKey);
 394   if (bounds && !bounds->IsEmpty())
 395     return *bounds;
 396 #endif
 397   return widget()->GetRestoredBounds();
 398 }
 399
 400 ui::WindowShowState ChromeNativeAppWindowViews::GetRestoredState() const {
 401 #if !defined(USE_ASH)
 402   if (IsMaximized())
 403     return ui::SHOW_STATE_MAXIMIZED;
 404   if (IsFullscreen())
 405     return ui::SHOW_STATE_FULLSCREEN;
 406 #else
 407   // Use kRestoreShowStateKey in case a window is minimized/hidden.
 408   ui::WindowShowState restore_state = widget()->GetNativeWindow()->GetProperty(
 409       aura::client::kRestoreShowStateKey);
 410   if (widget()->GetNativeWindow()->GetProperty(
 411           ash::kRestoreBoundsOverrideKey)) {
 412     // If an override is given, we use that restore state (after filtering).
 413     restore_state = widget()->GetNativeWindow()->GetProperty(
 414                         ash::kRestoreShowStateOverrideKey);
 415   } else {
 416     // Otherwise first normal states are checked.
 417     if (IsMaximized())
 418       return ui::SHOW_STATE_MAXIMIZED;
 419     if (IsFullscreen()) {
 420       if (immersive_fullscreen_controller_.get() &&
 421           immersive_fullscreen_controller_->IsEnabled()) {
 422         // Restore windows which were previously in immersive fullscreen to
 423         // maximized. Restoring the window to a different fullscreen type
 424         // makes for a bad experience.
 425         return ui::SHOW_STATE_MAXIMIZED;
 426       }
 427       return ui::SHOW_STATE_FULLSCREEN;
 428     }
 429   }
 430   // Whitelist states to return so that invalid and transient states
 431   // are not saved and used to restore windows when they are recreated.
 432   switch (restore_state) {
 433     case ui::SHOW_STATE_NORMAL:
 434     case ui::SHOW_STATE_MAXIMIZED:
 435     case ui::SHOW_STATE_FULLSCREEN:
 436       return restore_state;
 437
 438     case ui::SHOW_STATE_DEFAULT:
 439     case ui::SHOW_STATE_MINIMIZED:
 440     case ui::SHOW_STATE_INACTIVE:
 441     case ui::SHOW_STATE_END:
 442       return ui::SHOW_STATE_NORMAL;
 443   }
 444 #endif  // !defined(USE_ASH)
 445   return ui::SHOW_STATE_NORMAL;
 446 }
 447
 448 bool ChromeNativeAppWindowViews::IsAlwaysOnTop() const {
 449   if (app_window()->window_type_is_panel()) {
 450 #if defined(USE_ASH)
 451     return ash::wm::GetWindowState(widget()->GetNativeWindow())
 452         ->panel_attached();
 453 #else
 454     return true;
 455 #endif
 456   } else {
 457     return widget()->IsAlwaysOnTop();
 458   }
 459 }
 460
 461 // views::ContextMenuController implementation.
 462
 463 void ChromeNativeAppWindowViews::ShowContextMenuForView(
 464     views::View* source,
 465     const gfx::Point& p,
 466     ui::MenuSourceType source_type) {
 467 #if defined(USE_ASH) && defined(OS_CHROMEOS)
 468   scoped_ptr<ui::MenuModel> model =
 469       CreateMultiUserContextMenu(app_window()->GetNativeWindow());
 470   if (!model.get())
 471     return;
 472
 473   // Only show context menu if point is in caption.
 474   gfx::Point point_in_view_coords(p);
 475   views::View::ConvertPointFromScreen(widget()->non_client_view(),
 476                                       &point_in_view_coords);
 477   int hit_test =
 478       widget()->non_client_view()->NonClientHitTest(point_in_view_coords);
 479   if (hit_test == HTCAPTION) {
 480     menu_runner_.reset(new views::MenuRunner(
 481         model.get(),
 482         views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
 483     if (menu_runner_->RunMenuAt(source->GetWidget(),
 484                                 NULL,
 485                                 gfx::Rect(p, gfx::Size(0, 0)),
 486                                 views::MENU_ANCHOR_TOPLEFT,
 487                                 source_type) ==
 488         views::MenuRunner::MENU_DELETED) {
 489       return;
 490     }
 491   }
 492 #endif
 493 }
 494
 495 // views::WidgetDelegate implementation.
 496
 497 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowAppIcon() {
 498   gfx::Image app_icon = app_window()->app_icon();
 499   if (app_icon.IsEmpty())
 500     return GetWindowIcon();
 501   else
 502     return *app_icon.ToImageSkia();
 503 }
 504
 505 gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowIcon() {
 506   content::WebContents* web_contents = app_window()->web_contents();
 507   if (web_contents) {
 508     FaviconTabHelper* favicon_tab_helper =
 509         FaviconTabHelper::FromWebContents(web_contents);
 510     gfx::Image app_icon = favicon_tab_helper->GetFavicon();
 511     if (!app_icon.IsEmpty())
 512       return *app_icon.ToImageSkia();
 513   }
 514   return gfx::ImageSkia();
 515 }
 516
 517 views::NonClientFrameView* ChromeNativeAppWindowViews::CreateNonClientFrameView(
 518     views::Widget* widget) {
 519 #if defined(USE_ASH)
 520   if (chrome::IsNativeViewInAsh(widget->GetNativeView())) {
 521     // Set the delegate now because CustomFrameViewAsh sets the
 522     // WindowStateDelegate if one is not already set.
 523     ash::wm::GetWindowState(GetNativeWindow())->SetDelegate(
 524         scoped_ptr<ash::wm::WindowStateDelegate>(
 525             new NativeAppWindowStateDelegate(app_window(), this)).Pass());
 526
 527     if (app_window()->window_type_is_panel()) {
 528       ash::PanelFrameView::FrameType frame_type = IsFrameless() ?
 529           ash::PanelFrameView::FRAME_NONE : ash::PanelFrameView::FRAME_ASH;
 530       views::NonClientFrameView* frame_view =
 531           new ash::PanelFrameView(widget, frame_type);
 532       frame_view->set_context_menu_controller(this);
 533       return frame_view;
 534     }
 535
 536     if (IsFrameless())
 537       return CreateNonStandardAppFrame();
 538
 539     ash::CustomFrameViewAsh* custom_frame_view =
 540         new ash::CustomFrameViewAsh(widget);
 541     // Non-frameless app windows can be put into immersive fullscreen.
 542     immersive_fullscreen_controller_.reset(
 543         new ash::ImmersiveFullscreenController());
 544     custom_frame_view->InitImmersiveFullscreenControllerForView(
 545         immersive_fullscreen_controller_.get());
 546     custom_frame_view->GetHeaderView()->set_context_menu_controller(this);
 547
 548     if (has_frame_color_) {
 549       custom_frame_view->SetFrameColors(active_frame_color_,
 550                                         inactive_frame_color_);
 551     }
 552
 553     return custom_frame_view;
 554   }
 555 #endif
 556   return (IsFrameless() || has_frame_color_) ?
 557       CreateNonStandardAppFrame() : CreateStandardDesktopAppFrame();
 558 }
 559
 560 bool ChromeNativeAppWindowViews::WidgetHasHitTestMask() const {
 561   return shape_ != NULL;
 562 }
 563
 564 void ChromeNativeAppWindowViews::GetWidgetHitTestMask(gfx::Path* mask) const {
 565   shape_->getBoundaryPath(mask);
 566 }
 567
 568 // views::View implementation.
 569
 570 gfx::Size ChromeNativeAppWindowViews::GetPreferredSize() const {
 571   if (!preferred_size_.IsEmpty())
 572     return preferred_size_;
 573   return NativeAppWindowViews::GetPreferredSize();
 574 }
 575
 576 bool ChromeNativeAppWindowViews::AcceleratorPressed(
 577     const ui::Accelerator& accelerator) {
 578   const std::map<ui::Accelerator, int>& accelerator_table =
 579       GetAcceleratorTable();
 580   std::map<ui::Accelerator, int>::const_iterator iter =
 581       accelerator_table.find(accelerator);
 582   DCHECK(iter != accelerator_table.end());
 583   int command_id = iter->second;
 584   switch (command_id) {
 585     case IDC_CLOSE_WINDOW:
 586       Close();
 587       return true;
 588     case IDC_ZOOM_MINUS:
 589       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 590                              content::PAGE_ZOOM_OUT);
 591       return true;
 592     case IDC_ZOOM_NORMAL:
 593       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 594                              content::PAGE_ZOOM_RESET);
 595       return true;
 596     case IDC_ZOOM_PLUS:
 597       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 598                              content::PAGE_ZOOM_IN);
 599       return true;
 600     default:
 601       NOTREACHED() << "Unknown accelerator sent to app window.";
 602   }
 603   return NativeAppWindowViews::AcceleratorPressed(accelerator);
 604 }
 605
 606 // NativeAppWindow implementation.
 607
 608 void ChromeNativeAppWindowViews::SetFullscreen(int fullscreen_types) {
 609   // Fullscreen not supported by panels.
 610   if (app_window()->window_type_is_panel())
 611     return;
 612   is_fullscreen_ = (fullscreen_types != AppWindow::FULLSCREEN_TYPE_NONE);
 613   widget()->SetFullscreen(is_fullscreen_);
 614
 615   // TODO(oshima): Remove USE_ATHENA once athena has its own NativeAppWindow.
 616 #if defined(USE_ASH) && !defined(USE_ATHENA)
 617   if (immersive_fullscreen_controller_.get()) {
 618     // |immersive_fullscreen_controller_| should only be set if immersive
 619     // fullscreen is the fullscreen type used by the OS.
 620     immersive_fullscreen_controller_->SetEnabled(
 621         ash::ImmersiveFullscreenController::WINDOW_TYPE_PACKAGED_APP,
 622         (fullscreen_types & AppWindow::FULLSCREEN_TYPE_OS) != 0);
 623     // Autohide the shelf instead of hiding the shelf completely when only in
 624     // OS fullscreen.
 625     ash::wm::WindowState* window_state =
 626         ash::wm::GetWindowState(widget()->GetNativeWindow());
 627     window_state->set_hide_shelf_when_fullscreen(fullscreen_types !=
 628                                                  AppWindow::FULLSCREEN_TYPE_OS);
 629     DCHECK(ash::Shell::HasInstance());
 630     ash::Shell::GetInstance()->UpdateShelfVisibility();
 631   }
 632 #endif
 633
 634   // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
 635   // ever drop the window out of fullscreen in response to something that
 636   // wasn't the app calling webkitCancelFullScreen().
 637 }
 638
 639 bool ChromeNativeAppWindowViews::IsFullscreenOrPending() const {
 640   return is_fullscreen_;
 641 }
 642
 643 void ChromeNativeAppWindowViews::UpdateBadgeIcon() {
 644   const gfx::Image* icon = NULL;
 645   if (!app_window()->badge_icon().IsEmpty()) {
 646     icon = &app_window()->badge_icon();
 647     // chrome::DrawTaskbarDecoration can do interesting things with non-square
 648     // bitmaps.
 649     // TODO(benwells): Refactor chrome::DrawTaskbarDecoration to not be avatar
 650     // specific, and lift this restriction.
 651     if (icon->Width() != icon->Height()) {
 652       LOG(ERROR) << "Attempt to set a non-square badge; request ignored.";
 653       return;
 654     }
 655   }
 656   chrome::DrawTaskbarDecoration(GetNativeWindow(), icon);
 657 }
 658
 659 void ChromeNativeAppWindowViews::UpdateShape(scoped_ptr<SkRegion> region) {
 660   bool had_shape = shape_;
 661   shape_ = region.Pass();
 662
 663   aura::Window* native_window = widget()->GetNativeWindow();
 664   if (shape_) {
 665     widget()->SetShape(new SkRegion(*shape_));
 666     if (!had_shape) {
 667       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 668           new ShapedAppWindowTargeter(native_window, this)));
 669     }
 670   } else {
 671     widget()->SetShape(NULL);
 672     if (had_shape)
 673       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>());
 674   }
 675   widget()->OnSizeConstraintsChanged();
 676 }
 677
 678 bool ChromeNativeAppWindowViews::HasFrameColor() const {
 679   return has_frame_color_;
 680 }
 681
 682 SkColor ChromeNativeAppWindowViews::ActiveFrameColor() const {
 683   return active_frame_color_;
 684 }
 685
 686 SkColor ChromeNativeAppWindowViews::InactiveFrameColor() const {
 687   return inactive_frame_color_;
 688 }
 689
 690 // NativeAppWindowViews implementation.
 691
 692 void ChromeNativeAppWindowViews::InitializeWindow(
 693     AppWindow* app_window,
 694     const AppWindow::CreateParams& create_params) {
 695   DCHECK(widget());
 696   has_frame_color_ = create_params.has_frame_color;
 697   active_frame_color_ = create_params.active_frame_color;
 698   inactive_frame_color_ = create_params.inactive_frame_color;
 699   if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
 700       create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
 701     InitializePanelWindow(create_params);
 702   } else {
 703     InitializeDefaultWindow(create_params);
 704   }
 705   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
 706       Profile::FromBrowserContext(app_window->browser_context()),
 707       widget()->GetFocusManager(),
 708       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
 709       NULL));
 710 }