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 apps::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                                apps::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
 220 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 221   // Set up a custom WM_CLASS for app windows. This allows task switchers in
 222   // X11 environments to distinguish them from main browser windows.
 223   init_params.wm_class_name = web_app::GetWMClassFromAppName(app_name);
 224   init_params.wm_class_class = shell_integration_linux::GetProgramClassName();
 225   const char kX11WindowRoleApp[] = "app";
 226   init_params.wm_role_name = std::string(kX11WindowRoleApp);
 227 #endif
 228
 229   OnBeforeWidgetInit(&init_params, widget());
 230   widget()->Init(init_params);
 231
 232   // The frame insets are required to resolve the bounds specifications
 233   // correctly. So we set the window bounds and constraints now.
 234   gfx::Insets frame_insets = GetFrameInsets();
 235   gfx::Rect window_bounds = create_params.GetInitialWindowBounds(frame_insets);
 236   SetContentSizeConstraints(create_params.GetContentMinimumSize(frame_insets),
 237                             create_params.GetContentMaximumSize(frame_insets));
 238   if (!window_bounds.IsEmpty()) {
 239     typedef apps::AppWindow::BoundsSpecification BoundsSpecification;
 240     bool position_specified =
 241         window_bounds.x() != BoundsSpecification::kUnspecifiedPosition &&
 242         window_bounds.y() != BoundsSpecification::kUnspecifiedPosition;
 243     if (!position_specified)
 244       widget()->CenterWindow(window_bounds.size());
 245     else
 246       widget()->SetBounds(window_bounds);
 247   }
 248
 249   if (IsFrameless() &&
 250       init_params.opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW) {
 251     // The given window is most likely not rectangular since it uses
 252     // transparency and has no standard frame, don't show a shadow for it.
 253     // TODO(skuhne): If we run into an application which should have a shadow
 254     // but does not have, a new attribute has to be added.
 255     wm::SetShadowType(widget()->GetNativeWindow(), wm::SHADOW_TYPE_NONE);
 256   }
 257
 258   // Register accelarators supported by app windows.
 259   // TODO(jeremya/stevenjb): should these be registered for panels too?
 260   views::FocusManager* focus_manager = GetFocusManager();
 261   const std::map<ui::Accelerator, int>& accelerator_table =
 262       GetAcceleratorTable();
 263   const bool is_kiosk_app_mode = chrome::IsRunningInForcedAppMode();
 264
 265   // Ensures that kiosk mode accelerators are enabled when in kiosk mode (to be
 266   // future proof). This is needed because GetAcceleratorTable() uses a static
 267   // to store data and only checks kiosk mode once. If a platform app is
 268   // launched before kiosk mode starts, the kiosk accelerators will not be
 269   // registered. This DCHECK catches the case.
 270   DCHECK(!is_kiosk_app_mode ||
 271          accelerator_table.size() ==
 272              arraysize(kAppWindowAcceleratorMap) +
 273                  arraysize(kAppWindowKioskAppModeAcceleratorMap));
 274
 275   // Ensure there is a ZoomController in kiosk mode, otherwise the processing
 276   // of the accelerators will cause a crash.
 277   DCHECK(!is_kiosk_app_mode ||
 278          ZoomController::FromWebContents(web_view()->GetWebContents()));
 279
 280   for (std::map<ui::Accelerator, int>::const_iterator iter =
 281            accelerator_table.begin();
 282        iter != accelerator_table.end(); ++iter) {
 283     if (is_kiosk_app_mode && !chrome::IsCommandAllowedInAppMode(iter->second))
 284       continue;
 285
 286     focus_manager->RegisterAccelerator(
 287         iter->first, ui::AcceleratorManager::kNormalPriority, this);
 288   }
 289 }
 290
 291 void ChromeNativeAppWindowViews::InitializePanelWindow(
 292     const AppWindow::CreateParams& create_params) {
 293   views::Widget::InitParams params(views::Widget::InitParams::TYPE_PANEL);
 294   params.delegate = this;
 295
 296   gfx::Rect initial_window_bounds =
 297       create_params.GetInitialWindowBounds(gfx::Insets());
 298   preferred_size_ = gfx::Size(initial_window_bounds.width(),
 299                               initial_window_bounds.height());
 300   if (preferred_size_.width() == 0)
 301     preferred_size_.set_width(kDefaultPanelWidth);
 302   else if (preferred_size_.width() < kMinPanelWidth)
 303     preferred_size_.set_width(kMinPanelWidth);
 304
 305   if (preferred_size_.height() == 0)
 306     preferred_size_.set_height(kDefaultPanelHeight);
 307   else if (preferred_size_.height() < kMinPanelHeight)
 308     preferred_size_.set_height(kMinPanelHeight);
 309 #if defined(USE_ASH)
 310   if (ash::Shell::HasInstance()) {
 311     // Open a new panel on the target root.
 312     aura::Window* target = ash::Shell::GetTargetRootWindow();
 313     params.bounds = ash::ScreenUtil::ConvertRectToScreen(
 314         target, gfx::Rect(preferred_size_));
 315   } else {
 316     params.bounds = gfx::Rect(preferred_size_);
 317   }
 318 #else
 319   params.bounds = gfx::Rect(preferred_size_);
 320 #endif
 321   widget()->Init(params);
 322   widget()->set_focus_on_creation(create_params.focused);
 323
 324 #if defined(USE_ASH)
 325   if (create_params.state == ui::SHOW_STATE_DETACHED) {
 326     gfx::Rect window_bounds(initial_window_bounds.x(),
 327                             initial_window_bounds.y(),
 328                             preferred_size_.width(),
 329                             preferred_size_.height());
 330     aura::Window* native_window = GetNativeWindow();
 331     ash::wm::GetWindowState(native_window)->set_panel_attached(false);
 332     aura::client::ParentWindowWithContext(native_window,
 333                                           native_window->GetRootWindow(),
 334                                           native_window->GetBoundsInScreen());
 335     widget()->SetBounds(window_bounds);
 336   }
 337 #else
 338   // TODO(stevenjb): NativeAppWindow panels need to be implemented for other
 339   // platforms.
 340 #endif
 341 }
 342
 343 views::NonClientFrameView*
 344 ChromeNativeAppWindowViews::CreateStandardDesktopAppFrame() {
 345   return views::WidgetDelegateView::CreateNonClientFrameView(widget());
 346 }
 347
 348 apps::AppWindowFrameView*
 349 ChromeNativeAppWindowViews::CreateNonStandardAppFrame() {
 350   apps::AppWindowFrameView* frame =
 351       new apps::AppWindowFrameView(widget(),
 352                                    this,
 353                                    has_frame_color_,
 354                                    active_frame_color_,
 355                                    inactive_frame_color_);
 356   frame->Init();
 357 #if defined(USE_ASH)
 358   // For Aura windows on the Ash desktop the sizes are different and the user
 359   // can resize the window from slightly outside the bounds as well.
 360   if (chrome::IsNativeWindowInAsh(widget()->GetNativeWindow())) {
 361     frame->SetResizeSizes(ash::kResizeInsideBoundsSize,
 362                           ash::kResizeOutsideBoundsSize,
 363                           ash::kResizeAreaCornerSize);
 364   }
 365 #endif
 366
 367 #if !defined(OS_CHROMEOS)
 368   // For non-Ash windows, install an easy resize window targeter, which ensures
 369   // that the root window (not the app) receives mouse events on the edges.
 370   if (chrome::GetHostDesktopTypeForNativeWindow(widget()->GetNativeWindow()) !=
 371       chrome::HOST_DESKTOP_TYPE_ASH) {
 372     aura::Window* window = widget()->GetNativeWindow();
 373     int resize_inside = frame->resize_inside_bounds_size();
 374     gfx::Insets inset(
 375         resize_inside, resize_inside, resize_inside, resize_inside);
 376     // Add the EasyResizeWindowTargeter on the window, not its root window. The
 377     // root window does not have a delegate, which is needed to handle the event
 378     // in Linux.
 379     window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 380         new wm::EasyResizeWindowTargeter(window, inset, inset)));
 381   }
 382 #endif
 383
 384   return frame;
 385 }
 386
 387 // ui::BaseWindow implementation.
 388
 389 gfx::Rect ChromeNativeAppWindowViews::GetRestoredBounds() const {
 390 #if defined(USE_ASH)
 391   gfx::Rect* bounds = widget()->GetNativeWindow()->GetProperty(
 392       ash::kRestoreBoundsOverrideKey);
 393   if (bounds && !bounds->IsEmpty())
 394     return *bounds;
 395 #endif
 396   return widget()->GetRestoredBounds();
 397 }
 398
 399 ui::WindowShowState ChromeNativeAppWindowViews::GetRestoredState() const {
 400 #if !defined(USE_ASH)
 401   if (IsMaximized())
 402     return ui::SHOW_STATE_MAXIMIZED;
 403   if (IsFullscreen())
 404     return ui::SHOW_STATE_FULLSCREEN;
 405 #else
 406   // Use kRestoreShowStateKey in case a window is minimized/hidden.
 407   ui::WindowShowState restore_state = widget()->GetNativeWindow()->GetProperty(
 408       aura::client::kRestoreShowStateKey);
 409   if (widget()->GetNativeWindow()->GetProperty(
 410           ash::kRestoreBoundsOverrideKey)) {
 411     // If an override is given, we use that restore state (after filtering).
 412     restore_state = widget()->GetNativeWindow()->GetProperty(
 413                         ash::kRestoreShowStateOverrideKey);
 414   } else {
 415     // Otherwise first normal states are checked.
 416     if (IsMaximized())
 417       return ui::SHOW_STATE_MAXIMIZED;
 418     if (IsFullscreen()) {
 419       if (immersive_fullscreen_controller_.get() &&
 420           immersive_fullscreen_controller_->IsEnabled()) {
 421         // Restore windows which were previously in immersive fullscreen to
 422         // maximized. Restoring the window to a different fullscreen type
 423         // makes for a bad experience.
 424         return ui::SHOW_STATE_MAXIMIZED;
 425       }
 426       return ui::SHOW_STATE_FULLSCREEN;
 427     }
 428   }
 429   // Whitelist states to return so that invalid and transient states
 430   // are not saved and used to restore windows when they are recreated.
 431   switch (restore_state) {
 432     case ui::SHOW_STATE_NORMAL:
 433     case ui::SHOW_STATE_MAXIMIZED:
 434     case ui::SHOW_STATE_FULLSCREEN:
 435     case ui::SHOW_STATE_DETACHED:
 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     return custom_frame_view;
 548   }
 549 #endif
 550   return (IsFrameless() || has_frame_color_) ?
 551       CreateNonStandardAppFrame() : CreateStandardDesktopAppFrame();
 552 }
 553
 554 bool ChromeNativeAppWindowViews::WidgetHasHitTestMask() const {
 555   return shape_ != NULL;
 556 }
 557
 558 void ChromeNativeAppWindowViews::GetWidgetHitTestMask(gfx::Path* mask) const {
 559   shape_->getBoundaryPath(mask);
 560 }
 561
 562 // views::View implementation.
 563
 564 gfx::Size ChromeNativeAppWindowViews::GetPreferredSize() const {
 565   if (!preferred_size_.IsEmpty())
 566     return preferred_size_;
 567   return NativeAppWindowViews::GetPreferredSize();
 568 }
 569
 570 bool ChromeNativeAppWindowViews::AcceleratorPressed(
 571     const ui::Accelerator& accelerator) {
 572   const std::map<ui::Accelerator, int>& accelerator_table =
 573       GetAcceleratorTable();
 574   std::map<ui::Accelerator, int>::const_iterator iter =
 575       accelerator_table.find(accelerator);
 576   DCHECK(iter != accelerator_table.end());
 577   int command_id = iter->second;
 578   switch (command_id) {
 579     case IDC_CLOSE_WINDOW:
 580       Close();
 581       return true;
 582     case IDC_ZOOM_MINUS:
 583       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 584                              content::PAGE_ZOOM_OUT);
 585       return true;
 586     case IDC_ZOOM_NORMAL:
 587       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 588                              content::PAGE_ZOOM_RESET);
 589       return true;
 590     case IDC_ZOOM_PLUS:
 591       chrome_page_zoom::Zoom(web_view()->GetWebContents(),
 592                              content::PAGE_ZOOM_IN);
 593       return true;
 594     default:
 595       NOTREACHED() << "Unknown accelerator sent to app window.";
 596   }
 597   return NativeAppWindowViews::AcceleratorPressed(accelerator);
 598 }
 599
 600 // NativeAppWindow implementation.
 601
 602 void ChromeNativeAppWindowViews::SetFullscreen(int fullscreen_types) {
 603   // Fullscreen not supported by panels.
 604   if (app_window()->window_type_is_panel())
 605     return;
 606   is_fullscreen_ = (fullscreen_types != AppWindow::FULLSCREEN_TYPE_NONE);
 607   widget()->SetFullscreen(is_fullscreen_);
 608
 609 #if defined(USE_ASH)
 610   if (immersive_fullscreen_controller_.get()) {
 611     // |immersive_fullscreen_controller_| should only be set if immersive
 612     // fullscreen is the fullscreen type used by the OS.
 613     immersive_fullscreen_controller_->SetEnabled(
 614         ash::ImmersiveFullscreenController::WINDOW_TYPE_PACKAGED_APP,
 615         (fullscreen_types & AppWindow::FULLSCREEN_TYPE_OS) != 0);
 616     // Autohide the shelf instead of hiding the shelf completely when only in
 617     // OS fullscreen.
 618     ash::wm::WindowState* window_state =
 619         ash::wm::GetWindowState(widget()->GetNativeWindow());
 620     window_state->set_hide_shelf_when_fullscreen(fullscreen_types !=
 621                                                  AppWindow::FULLSCREEN_TYPE_OS);
 622     DCHECK(ash::Shell::HasInstance());
 623     ash::Shell::GetInstance()->UpdateShelfVisibility();
 624   }
 625 #endif
 626
 627   // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
 628   // ever drop the window out of fullscreen in response to something that
 629   // wasn't the app calling webkitCancelFullScreen().
 630 }
 631
 632 bool ChromeNativeAppWindowViews::IsFullscreenOrPending() const {
 633   return is_fullscreen_;
 634 }
 635
 636 bool ChromeNativeAppWindowViews::IsDetached() const {
 637   if (!app_window()->window_type_is_panel())
 638     return false;
 639 #if defined(USE_ASH)
 640   return !ash::wm::GetWindowState(widget()->GetNativeWindow())
 641               ->panel_attached();
 642 #else
 643   return false;
 644 #endif
 645 }
 646
 647 void ChromeNativeAppWindowViews::UpdateBadgeIcon() {
 648   const gfx::Image* icon = NULL;
 649   if (!app_window()->badge_icon().IsEmpty()) {
 650     icon = &app_window()->badge_icon();
 651     // chrome::DrawTaskbarDecoration can do interesting things with non-square
 652     // bitmaps.
 653     // TODO(benwells): Refactor chrome::DrawTaskbarDecoration to not be avatar
 654     // specific, and lift this restriction.
 655     if (icon->Width() != icon->Height()) {
 656       LOG(ERROR) << "Attempt to set a non-square badge; request ignored.";
 657       return;
 658     }
 659   }
 660   chrome::DrawTaskbarDecoration(GetNativeWindow(), icon);
 661 }
 662
 663 void ChromeNativeAppWindowViews::UpdateShape(scoped_ptr<SkRegion> region) {
 664   bool had_shape = shape_;
 665   shape_ = region.Pass();
 666
 667   aura::Window* native_window = widget()->GetNativeWindow();
 668   if (shape_) {
 669     widget()->SetShape(new SkRegion(*shape_));
 670     if (!had_shape) {
 671       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
 672           new ShapedAppWindowTargeter(native_window, this)));
 673     }
 674   } else {
 675     widget()->SetShape(NULL);
 676     if (had_shape)
 677       native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>());
 678   }
 679 }
 680
 681 bool ChromeNativeAppWindowViews::HasFrameColor() const {
 682   return has_frame_color_;
 683 }
 684
 685 SkColor ChromeNativeAppWindowViews::ActiveFrameColor() const {
 686   return active_frame_color_;
 687 }
 688
 689 SkColor ChromeNativeAppWindowViews::InactiveFrameColor() const {
 690   return inactive_frame_color_;
 691 }
 692
 693 // NativeAppWindowViews implementation.
 694
 695 void ChromeNativeAppWindowViews::InitializeWindow(
 696     AppWindow* app_window,
 697     const AppWindow::CreateParams& create_params) {
 698   DCHECK(widget());
 699   has_frame_color_ = create_params.has_frame_color;
 700   active_frame_color_ = create_params.active_frame_color;
 701   inactive_frame_color_ = create_params.inactive_frame_color;
 702   if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
 703       create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
 704     InitializePanelWindow(create_params);
 705   } else {
 706     InitializeDefaultWindow(create_params);
 707   }
 708   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
 709       Profile::FromBrowserContext(app_window->browser_context()),
 710       widget()->GetFocusManager(),
 711       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
 712       NULL));
 713 }