chrome_native_app_window_views.cc revision effb81e5f8246d0db0270817048dc992db66e9fb 
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/base/hit_test.h"
22#include "ui/base/models/simple_menu_model.h"
23#include "ui/gfx/image/image_skia.h"
24#include "ui/views/controls/menu/menu_runner.h"
25#include "ui/views/controls/webview/webview.h"
26#include "ui/views/widget/widget.h"
27#include "ui/wm/core/easy_resize_window_targeter.h"
28
29#if defined(OS_LINUX)
30#include "chrome/browser/shell_integration_linux.h"
31#endif
32
33#if defined(USE_ASH)
34#include "ash/ash_constants.h"
35#include "ash/ash_switches.h"
36#include "ash/frame/custom_frame_view_ash.h"
37#include "ash/screen_util.h"
38#include "ash/shell.h"
39#include "ash/wm/immersive_fullscreen_controller.h"
40#include "ash/wm/panels/panel_frame_view.h"
41#include "ash/wm/window_state.h"
42#include "ash/wm/window_state_delegate.h"
43#include "ash/wm/window_state_observer.h"
44#include "chrome/browser/ui/ash/ash_util.h"
45#include "chrome/browser/ui/ash/multi_user/multi_user_context_menu.h"
46#include "ui/aura/client/aura_constants.h"
47#include "ui/aura/client/window_tree_client.h"
48#include "ui/aura/window.h"
49#include "ui/aura/window_observer.h"
50#endif
51
52#if defined(USE_AURA)
53#include "ui/aura/window.h"
54#endif
55
56using apps::AppWindow;
57
58namespace {
59
60const int kMinPanelWidth = 100;
61const int kMinPanelHeight = 100;
62const int kDefaultPanelWidth = 200;
63const int kDefaultPanelHeight = 300;
64const int kResizeInsideBoundsSize = 5;
65const int kResizeAreaCornerSize = 16;
66
67struct AcceleratorMapping {
68  ui::KeyboardCode keycode;
69  int modifiers;
70  int command_id;
71};
72
73const AcceleratorMapping kAppWindowAcceleratorMap[] = {
74  { ui::VKEY_W, ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
75  { ui::VKEY_W, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_CLOSE_WINDOW },
76  { ui::VKEY_F4, ui::EF_ALT_DOWN, IDC_CLOSE_WINDOW },
77};
78
79// These accelerators will only be available in kiosk mode. These allow the
80// user to manually zoom app windows. This is only necessary in kiosk mode
81// (in normal mode, the user can zoom via the screen magnifier).
82// TODO(xiyuan): Write a test for kiosk accelerators.
83const AcceleratorMapping kAppWindowKioskAppModeAcceleratorMap[] = {
84  { ui::VKEY_OEM_MINUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
85  { ui::VKEY_OEM_MINUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN,
86    IDC_ZOOM_MINUS },
87  { ui::VKEY_SUBTRACT, ui::EF_CONTROL_DOWN, IDC_ZOOM_MINUS },
88  { ui::VKEY_OEM_PLUS, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
89  { ui::VKEY_OEM_PLUS, ui::EF_SHIFT_DOWN | ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
90  { ui::VKEY_ADD, ui::EF_CONTROL_DOWN, IDC_ZOOM_PLUS },
91  { ui::VKEY_0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
92  { ui::VKEY_NUMPAD0, ui::EF_CONTROL_DOWN, IDC_ZOOM_NORMAL },
93};
94
95void AddAcceleratorsFromMapping(const AcceleratorMapping mapping[],
96                                size_t mapping_length,
97                                std::map<ui::Accelerator, int>* accelerators) {
98  for (size_t i = 0; i < mapping_length; ++i) {
99    ui::Accelerator accelerator(mapping[i].keycode, mapping[i].modifiers);
100    (*accelerators)[accelerator] = mapping[i].command_id;
101  }
102}
103
104const std::map<ui::Accelerator, int>& GetAcceleratorTable() {
105  typedef std::map<ui::Accelerator, int> AcceleratorMap;
106  CR_DEFINE_STATIC_LOCAL(AcceleratorMap, accelerators, ());
107  if (accelerators.empty()) {
108    AddAcceleratorsFromMapping(
109        kAppWindowAcceleratorMap,
110        arraysize(kAppWindowAcceleratorMap),
111        &accelerators);
112
113    // Add accelerators for kiosk mode.
114    if (chrome::IsRunningInForcedAppMode()) {
115      AddAcceleratorsFromMapping(
116          kAppWindowKioskAppModeAcceleratorMap,
117          arraysize(kAppWindowKioskAppModeAcceleratorMap),
118          &accelerators);
119    }
120  }
121  return accelerators;
122}
123
124#if defined(USE_ASH)
125// This class handles a user's fullscreen request (Shift+F4/F4).
126class NativeAppWindowStateDelegate : public ash::wm::WindowStateDelegate,
127                                     public ash::wm::WindowStateObserver,
128                                     public aura::WindowObserver {
129 public:
130  NativeAppWindowStateDelegate(AppWindow* app_window,
131                               apps::NativeAppWindow* native_app_window)
132      : app_window_(app_window),
133        window_state_(
134            ash::wm::GetWindowState(native_app_window->GetNativeWindow())) {
135    // Add a window state observer to exit fullscreen properly in case
136    // fullscreen is exited without going through AppWindow::Restore(). This
137    // is the case when exiting immersive fullscreen via the "Restore" window
138    // control.
139    // TODO(pkotwicz): This is a hack. Remove ASAP. http://crbug.com/319048
140    window_state_->AddObserver(this);
141    window_state_->window()->AddObserver(this);
142  }
143  virtual ~NativeAppWindowStateDelegate(){
144    if (window_state_) {
145      window_state_->RemoveObserver(this);
146      window_state_->window()->RemoveObserver(this);
147    }
148  }
149
150 private:
151  // Overridden from ash::wm::WindowStateDelegate.
152  virtual bool ToggleFullscreen(ash::wm::WindowState* window_state) OVERRIDE {
153    // Windows which cannot be maximized should not be fullscreened.
154    DCHECK(window_state->IsFullscreen() || window_state->CanMaximize());
155    if (window_state->IsFullscreen())
156      app_window_->Restore();
157    else if (window_state->CanMaximize())
158      app_window_->OSFullscreen();
159    return true;
160  }
161
162  // Overridden from ash::wm::WindowStateObserver:
163  virtual void OnPostWindowStateTypeChange(
164      ash::wm::WindowState* window_state,
165      ash::wm::WindowStateType old_type) OVERRIDE {
166    if (!window_state->IsFullscreen() && !window_state->IsMinimized() &&
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
194ChromeNativeAppWindowViews::ChromeNativeAppWindowViews()
195    : is_fullscreen_(false),
196      has_frame_color_(false),
197      frame_color_(SK_ColorBLACK) {}
198
199ChromeNativeAppWindowViews::~ChromeNativeAppWindowViews() {}
200
201void ChromeNativeAppWindowViews::OnBeforeWidgetInit(
202    views::Widget::InitParams* init_params,
203    views::Widget* widget) {}
204
205void ChromeNativeAppWindowViews::InitializeDefaultWindow(
206    const AppWindow::CreateParams& create_params) {
207  std::string app_name =
208      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  // TODO(erg): Conceptually, these are toplevel windows, but we theoretically
216  // could plumb context through to here in some cases.
217  init_params.top_level = true;
218  if (create_params.transparent_background)
219    init_params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
220  init_params.keep_on_top = create_params.always_on_top;
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 = ShellIntegrationLinux::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 apps::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  // Register accelarators supported by app windows.
252  // TODO(jeremya/stevenjb): should these be registered for panels too?
253  views::FocusManager* focus_manager = GetFocusManager();
254  const std::map<ui::Accelerator, int>& accelerator_table =
255      GetAcceleratorTable();
256  const bool is_kiosk_app_mode = chrome::IsRunningInForcedAppMode();
257
258  // Ensures that kiosk mode accelerators are enabled when in kiosk mode (to be
259  // future proof). This is needed because GetAcceleratorTable() uses a static
260  // to store data and only checks kiosk mode once. If a platform app is
261  // launched before kiosk mode starts, the kiosk accelerators will not be
262  // registered. This DCHECK catches the case.
263  DCHECK(!is_kiosk_app_mode ||
264         accelerator_table.size() ==
265             arraysize(kAppWindowAcceleratorMap) +
266                 arraysize(kAppWindowKioskAppModeAcceleratorMap));
267
268  for (std::map<ui::Accelerator, int>::const_iterator iter =
269           accelerator_table.begin();
270       iter != accelerator_table.end(); ++iter) {
271    if (is_kiosk_app_mode && !chrome::IsCommandAllowedInAppMode(iter->second))
272      continue;
273
274    focus_manager->RegisterAccelerator(
275        iter->first, ui::AcceleratorManager::kNormalPriority, this);
276  }
277}
278
279void ChromeNativeAppWindowViews::InitializePanelWindow(
280    const AppWindow::CreateParams& create_params) {
281  views::Widget::InitParams params(views::Widget::InitParams::TYPE_PANEL);
282  params.delegate = this;
283
284  gfx::Rect initial_window_bounds =
285      create_params.GetInitialWindowBounds(gfx::Insets());
286  preferred_size_ = gfx::Size(initial_window_bounds.width(),
287                              initial_window_bounds.height());
288  if (preferred_size_.width() == 0)
289    preferred_size_.set_width(kDefaultPanelWidth);
290  else if (preferred_size_.width() < kMinPanelWidth)
291    preferred_size_.set_width(kMinPanelWidth);
292
293  if (preferred_size_.height() == 0)
294    preferred_size_.set_height(kDefaultPanelHeight);
295  else if (preferred_size_.height() < kMinPanelHeight)
296    preferred_size_.set_height(kMinPanelHeight);
297#if defined(USE_ASH)
298  if (ash::Shell::HasInstance()) {
299    // Open a new panel on the target root.
300    aura::Window* target = ash::Shell::GetTargetRootWindow();
301    params.bounds = ash::ScreenUtil::ConvertRectToScreen(
302        target, gfx::Rect(preferred_size_));
303  } else {
304    params.bounds = gfx::Rect(preferred_size_);
305  }
306#else
307  params.bounds = gfx::Rect(preferred_size_);
308#endif
309  // TODO(erg): Conceptually, these are toplevel windows, but we theoretically
310  // could plumb context through to here in some cases.
311  params.top_level = true;
312  widget()->Init(params);
313  widget()->set_focus_on_creation(create_params.focused);
314
315#if defined(USE_ASH)
316  if (create_params.state == ui::SHOW_STATE_DETACHED) {
317    gfx::Rect window_bounds(initial_window_bounds.x(),
318                            initial_window_bounds.y(),
319                            preferred_size_.width(),
320                            preferred_size_.height());
321    aura::Window* native_window = GetNativeWindow();
322    ash::wm::GetWindowState(native_window)->set_panel_attached(false);
323    aura::client::ParentWindowWithContext(native_window,
324                                          native_window->GetRootWindow(),
325                                          native_window->GetBoundsInScreen());
326    widget()->SetBounds(window_bounds);
327  }
328#else
329  // TODO(stevenjb): NativeAppWindow panels need to be implemented for other
330  // platforms.
331#endif
332}
333
334void ChromeNativeAppWindowViews::InstallEasyResizeTargeterOnContainer() const {
335  aura::Window* root_window = widget()->GetNativeWindow()->GetRootWindow();
336  gfx::Insets inset(kResizeInsideBoundsSize, kResizeInsideBoundsSize,
337                    kResizeInsideBoundsSize, kResizeInsideBoundsSize);
338  root_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
339      new wm::EasyResizeWindowTargeter(root_window, inset, inset)));
340}
341
342apps::AppWindowFrameView*
343ChromeNativeAppWindowViews::CreateAppWindowFrameView() {
344  // By default the user can resize the window from slightly inside the bounds.
345  int resize_inside_bounds_size = kResizeInsideBoundsSize;
346  int resize_outside_bounds_size = 0;
347  int resize_outside_scale_for_touch = 1;
348  int resize_area_corner_size = kResizeAreaCornerSize;
349#if defined(USE_ASH)
350  // For Aura windows on the Ash desktop the sizes are different and the user
351  // can resize the window from slightly outside the bounds as well.
352  if (chrome::IsNativeWindowInAsh(widget()->GetNativeWindow())) {
353    resize_inside_bounds_size = ash::kResizeInsideBoundsSize;
354    resize_outside_bounds_size = ash::kResizeOutsideBoundsSize;
355    resize_outside_scale_for_touch = ash::kResizeOutsideBoundsScaleForTouch;
356    resize_area_corner_size = ash::kResizeAreaCornerSize;
357  }
358#endif
359  apps::AppWindowFrameView* frame_view = new apps::AppWindowFrameView();
360  frame_view->Init(widget(),
361                   has_frame_color_,
362                   frame_color_,
363                   GetDraggableRegion(),
364                   resize_inside_bounds_size,
365                   resize_outside_bounds_size,
366                   resize_outside_scale_for_touch,
367                   resize_area_corner_size);
368  return frame_view;
369}
370
371// ui::BaseWindow implementation.
372
373ui::WindowShowState ChromeNativeAppWindowViews::GetRestoredState() const {
374  if (IsMaximized())
375    return ui::SHOW_STATE_MAXIMIZED;
376  if (IsFullscreen()) {
377#if defined(USE_ASH)
378    if (immersive_fullscreen_controller_.get() &&
379        immersive_fullscreen_controller_->IsEnabled()) {
380      // Restore windows which were previously in immersive fullscreen to
381      // maximized. Restoring the window to a different fullscreen type
382      // makes for a bad experience.
383      return ui::SHOW_STATE_MAXIMIZED;
384    }
385#endif
386    return ui::SHOW_STATE_FULLSCREEN;
387  }
388#if defined(USE_ASH)
389  // Use kRestoreShowStateKey in case a window is minimized/hidden.
390  ui::WindowShowState restore_state = widget()->GetNativeWindow()->GetProperty(
391      aura::client::kRestoreShowStateKey);
392  // Whitelist states to return so that invalid and transient states
393  // are not saved and used to restore windows when they are recreated.
394  switch (restore_state) {
395    case ui::SHOW_STATE_NORMAL:
396    case ui::SHOW_STATE_MAXIMIZED:
397    case ui::SHOW_STATE_FULLSCREEN:
398    case ui::SHOW_STATE_DETACHED:
399      return restore_state;
400
401    case ui::SHOW_STATE_DEFAULT:
402    case ui::SHOW_STATE_MINIMIZED:
403    case ui::SHOW_STATE_INACTIVE:
404    case ui::SHOW_STATE_END:
405      return ui::SHOW_STATE_NORMAL;
406  }
407#endif
408  return ui::SHOW_STATE_NORMAL;
409}
410
411bool ChromeNativeAppWindowViews::IsAlwaysOnTop() const {
412  if (app_window()->window_type_is_panel()) {
413#if defined(USE_ASH)
414    return ash::wm::GetWindowState(widget()->GetNativeWindow())
415        ->panel_attached();
416#else
417    return true;
418#endif
419  } else {
420    return widget()->IsAlwaysOnTop();
421  }
422}
423
424// views::ContextMenuController implementation.
425
426void ChromeNativeAppWindowViews::ShowContextMenuForView(
427    views::View* source,
428    const gfx::Point& p,
429    ui::MenuSourceType source_type) {
430#if defined(USE_ASH) && defined(OS_CHROMEOS)
431  scoped_ptr<ui::MenuModel> model =
432      CreateMultiUserContextMenu(app_window()->GetNativeWindow());
433  if (!model.get())
434    return;
435
436  // Only show context menu if point is in caption.
437  gfx::Point point_in_view_coords(p);
438  views::View::ConvertPointFromScreen(widget()->non_client_view(),
439                                      &point_in_view_coords);
440  int hit_test =
441      widget()->non_client_view()->NonClientHitTest(point_in_view_coords);
442  if (hit_test == HTCAPTION) {
443    menu_runner_.reset(new views::MenuRunner(model.get()));
444    if (menu_runner_->RunMenuAt(source->GetWidget(), NULL,
445          gfx::Rect(p, gfx::Size(0,0)), views::MenuItemView::TOPLEFT,
446          source_type,
447          views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
448        views::MenuRunner::MENU_DELETED)
449      return;
450  }
451#endif
452}
453
454// views::WidgetDelegate implementation.
455
456gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowAppIcon() {
457  gfx::Image app_icon = app_window()->app_icon();
458  if (app_icon.IsEmpty())
459    return GetWindowIcon();
460  else
461    return *app_icon.ToImageSkia();
462}
463
464gfx::ImageSkia ChromeNativeAppWindowViews::GetWindowIcon() {
465  content::WebContents* web_contents = app_window()->web_contents();
466  if (web_contents) {
467    FaviconTabHelper* favicon_tab_helper =
468        FaviconTabHelper::FromWebContents(web_contents);
469    gfx::Image app_icon = favicon_tab_helper->GetFavicon();
470    if (!app_icon.IsEmpty())
471      return *app_icon.ToImageSkia();
472  }
473  return gfx::ImageSkia();
474}
475
476views::NonClientFrameView* ChromeNativeAppWindowViews::CreateNonClientFrameView(
477    views::Widget* widget) {
478#if defined(USE_ASH)
479  if (chrome::IsNativeViewInAsh(widget->GetNativeView())) {
480    // Set the delegate now because CustomFrameViewAsh sets the
481    // WindowStateDelegate if one is not already set.
482    ash::wm::GetWindowState(GetNativeWindow())->SetDelegate(
483        scoped_ptr<ash::wm::WindowStateDelegate>(
484            new NativeAppWindowStateDelegate(app_window(), this)).Pass());
485
486    if (app_window()->window_type_is_panel()) {
487      ash::PanelFrameView::FrameType frame_type = IsFrameless() ?
488          ash::PanelFrameView::FRAME_NONE : ash::PanelFrameView::FRAME_ASH;
489      views::NonClientFrameView* frame_view =
490          new ash::PanelFrameView(widget, frame_type);
491      frame_view->set_context_menu_controller(this);
492      return frame_view;
493    }
494
495    if (!IsFrameless()) {
496      ash::CustomFrameViewAsh* custom_frame_view =
497          new ash::CustomFrameViewAsh(widget);
498#if defined(OS_CHROMEOS)
499      // Non-frameless app windows can be put into immersive fullscreen.
500      // TODO(pkotwicz): Investigate if immersive fullscreen can be enabled for
501      // Windows Ash.
502      immersive_fullscreen_controller_.reset(
503          new ash::ImmersiveFullscreenController());
504      custom_frame_view->InitImmersiveFullscreenControllerForView(
505          immersive_fullscreen_controller_.get());
506#endif
507      custom_frame_view->GetHeaderView()->set_context_menu_controller(this);
508      return custom_frame_view;
509    }
510  }
511#endif
512#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
513  return CreateAppWindowFrameView();
514#else
515  if (IsFrameless() || has_frame_color_)
516    return CreateAppWindowFrameView();
517#endif
518  return views::WidgetDelegateView::CreateNonClientFrameView(widget);
519}
520
521bool ChromeNativeAppWindowViews::WidgetHasHitTestMask() const {
522  return shape_ != NULL;
523}
524
525void ChromeNativeAppWindowViews::GetWidgetHitTestMask(gfx::Path* mask) const {
526  shape_->getBoundaryPath(mask);
527}
528
529// views::View implementation.
530
531gfx::Size ChromeNativeAppWindowViews::GetPreferredSize() {
532  if (!preferred_size_.IsEmpty())
533    return preferred_size_;
534  return NativeAppWindowViews::GetPreferredSize();
535}
536
537bool ChromeNativeAppWindowViews::AcceleratorPressed(
538    const ui::Accelerator& accelerator) {
539  const std::map<ui::Accelerator, int>& accelerator_table =
540      GetAcceleratorTable();
541  std::map<ui::Accelerator, int>::const_iterator iter =
542      accelerator_table.find(accelerator);
543  DCHECK(iter != accelerator_table.end());
544  int command_id = iter->second;
545  switch (command_id) {
546    case IDC_CLOSE_WINDOW:
547      Close();
548      return true;
549    case IDC_ZOOM_MINUS:
550      chrome_page_zoom::Zoom(web_view()->GetWebContents(),
551                             content::PAGE_ZOOM_OUT);
552      return true;
553    case IDC_ZOOM_NORMAL:
554      chrome_page_zoom::Zoom(web_view()->GetWebContents(),
555                             content::PAGE_ZOOM_RESET);
556      return true;
557    case IDC_ZOOM_PLUS:
558      chrome_page_zoom::Zoom(web_view()->GetWebContents(),
559                             content::PAGE_ZOOM_IN);
560      return true;
561    default:
562      NOTREACHED() << "Unknown accelerator sent to app window.";
563  }
564  return NativeAppWindowViews::AcceleratorPressed(accelerator);
565}
566
567// NativeAppWindow implementation.
568
569void ChromeNativeAppWindowViews::SetFullscreen(int fullscreen_types) {
570  // Fullscreen not supported by panels.
571  if (app_window()->window_type_is_panel())
572    return;
573  is_fullscreen_ = (fullscreen_types != AppWindow::FULLSCREEN_TYPE_NONE);
574  widget()->SetFullscreen(is_fullscreen_);
575
576#if defined(USE_ASH)
577  if (immersive_fullscreen_controller_.get()) {
578    // |immersive_fullscreen_controller_| should only be set if immersive
579    // fullscreen is the fullscreen type used by the OS.
580    immersive_fullscreen_controller_->SetEnabled(
581        ash::ImmersiveFullscreenController::WINDOW_TYPE_PACKAGED_APP,
582        (fullscreen_types & AppWindow::FULLSCREEN_TYPE_OS) != 0);
583    // Autohide the shelf instead of hiding the shelf completely when only in
584    // OS fullscreen.
585    ash::wm::WindowState* window_state =
586        ash::wm::GetWindowState(widget()->GetNativeWindow());
587    window_state->set_hide_shelf_when_fullscreen(fullscreen_types !=
588                                                 AppWindow::FULLSCREEN_TYPE_OS);
589    DCHECK(ash::Shell::HasInstance());
590    ash::Shell::GetInstance()->UpdateShelfVisibility();
591  }
592#endif
593
594  // TODO(jeremya) we need to call RenderViewHost::ExitFullscreen() if we
595  // ever drop the window out of fullscreen in response to something that
596  // wasn't the app calling webkitCancelFullScreen().
597}
598
599bool ChromeNativeAppWindowViews::IsFullscreenOrPending() const {
600  return is_fullscreen_;
601}
602
603bool ChromeNativeAppWindowViews::IsDetached() const {
604  if (!app_window()->window_type_is_panel())
605    return false;
606#if defined(USE_ASH)
607  return !ash::wm::GetWindowState(widget()->GetNativeWindow())
608              ->panel_attached();
609#else
610  return false;
611#endif
612}
613
614void ChromeNativeAppWindowViews::UpdateBadgeIcon() {
615  const gfx::Image* icon = NULL;
616  if (!app_window()->badge_icon().IsEmpty()) {
617    icon = &app_window()->badge_icon();
618    // chrome::DrawTaskbarDecoration can do interesting things with non-square
619    // bitmaps.
620    // TODO(benwells): Refactor chrome::DrawTaskbarDecoration to not be avatar
621    // specific, and lift this restriction.
622    if (icon->Width() != icon->Height()) {
623      LOG(ERROR) << "Attempt to set a non-square badge; request ignored.";
624      return;
625    }
626  }
627  chrome::DrawTaskbarDecoration(GetNativeWindow(), icon);
628}
629
630void ChromeNativeAppWindowViews::UpdateShape(scoped_ptr<SkRegion> region) {
631  bool had_shape = shape_;
632  shape_ = region.Pass();
633
634  aura::Window* native_window = widget()->GetNativeWindow();
635  if (shape_) {
636    widget()->SetShape(new SkRegion(*shape_));
637    if (!had_shape) {
638      native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>(
639          new ShapedAppWindowTargeter(native_window, this)));
640    }
641  } else {
642    widget()->SetShape(NULL);
643    if (had_shape)
644      native_window->SetEventTargeter(scoped_ptr<ui::EventTargeter>());
645  }
646}
647
648bool ChromeNativeAppWindowViews::HasFrameColor() const {
649  return has_frame_color_;
650}
651
652SkColor ChromeNativeAppWindowViews::FrameColor() const { return frame_color_; }
653
654// NativeAppWindowViews implementation.
655
656void ChromeNativeAppWindowViews::InitializeWindow(
657    AppWindow* app_window,
658    const AppWindow::CreateParams& create_params) {
659  DCHECK(widget());
660  has_frame_color_ = create_params.has_frame_color;
661  frame_color_ = create_params.frame_color;
662  if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
663      create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
664    InitializePanelWindow(create_params);
665  } else {
666    InitializeDefaultWindow(create_params);
667  }
668  extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
669      Profile::FromBrowserContext(app_window->browser_context()),
670      widget()->GetFocusManager(),
671      extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
672      NULL));
673
674#if defined(OS_WIN)
675  if ((IsFrameless() || has_frame_color_) &&
676      chrome::GetHostDesktopTypeForNativeWindow(widget()->GetNativeWindow()) !=
677          chrome::HOST_DESKTOP_TYPE_ASH) {
678    InstallEasyResizeTargeterOnContainer();
679  }
680#endif
681}
682