1 // Copyright (c) 2012 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.
5 #include "chrome/browser/ui/views/chrome_views_delegate.h"
7 #include "base/memory/scoped_ptr.h"
8 #include "base/prefs/pref_service.h"
9 #include "base/prefs/scoped_user_pref_update.h"
10 #include "base/strings/string_util.h"
11 #include "base/strings/utf_string_conversions.h"
12 #include "base/time/time.h"
13 #include "chrome/browser/browser_process.h"
14 #include "chrome/browser/profiles/profile_manager.h"
15 #include "chrome/browser/ui/views/accessibility/accessibility_event_router_views.h"
16 #include "chrome/common/pref_names.h"
17 #include "grit/chrome_unscaled_resources.h"
18 #include "ui/base/resource/resource_bundle.h"
19 #include "ui/base/ui_base_switches.h"
20 #include "ui/gfx/rect.h"
21 #include "ui/gfx/screen.h"
22 #include "ui/views/widget/native_widget.h"
23 #include "ui/views/widget/widget.h"
27 #include "base/win/windows_version.h"
28 #include "chrome/browser/app_icon_win.h"
29 #include "ui/base/win/shell.h"
33 #include "ui/aura/root_window.h"
36 #if defined(USE_AURA) && !defined(OS_CHROMEOS)
37 #include "chrome/browser/ui/host_desktop.h"
38 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
39 #include "ui/views/widget/native_widget_aura.h"
43 #include "ash/shell.h"
44 #include "ash/wm/window_state.h"
45 #include "chrome/browser/ui/ash/ash_init.h"
46 #include "chrome/browser/ui/ash/ash_util.h"
51 // If the given window has a profile associated with it, use that profile's
52 // preference service. Otherwise, store and retrieve the data from Local State.
53 // This function may return NULL if the necessary pref service has not yet
55 // TODO(mirandac): This function will also separate windows by profile in a
56 // multi-profile environment.
57 PrefService
* GetPrefsForWindow(const views::Widget
* window
) {
58 Profile
* profile
= reinterpret_cast<Profile
*>(
59 window
->GetNativeWindowProperty(Profile::kProfileKey
));
61 // Use local state for windows that have no explicit profile.
62 return g_browser_process
->local_state();
64 return profile
->GetPrefs();
69 ///////////////////////////////////////////////////////////////////////////////
70 // ChromeViewsDelegate, views::ViewsDelegate implementation:
72 void ChromeViewsDelegate::SaveWindowPlacement(const views::Widget
* window
,
73 const std::string
& window_name
,
74 const gfx::Rect
& bounds
,
75 ui::WindowShowState show_state
) {
76 PrefService
* prefs
= GetPrefsForWindow(window
);
80 DCHECK(prefs
->FindPreference(window_name
.c_str()));
81 DictionaryPrefUpdate
update(prefs
, window_name
.c_str());
82 base::DictionaryValue
* window_preferences
= update
.Get();
83 window_preferences
->SetInteger("left", bounds
.x());
84 window_preferences
->SetInteger("top", bounds
.y());
85 window_preferences
->SetInteger("right", bounds
.right());
86 window_preferences
->SetInteger("bottom", bounds
.bottom());
87 window_preferences
->SetBoolean("maximized",
88 show_state
== ui::SHOW_STATE_MAXIMIZED
);
89 gfx::Rect
work_area(gfx::Screen::GetScreenFor(window
->GetNativeView())->
90 GetDisplayNearestWindow(window
->GetNativeView()).work_area());
91 window_preferences
->SetInteger("work_area_left", work_area
.x());
92 window_preferences
->SetInteger("work_area_top", work_area
.y());
93 window_preferences
->SetInteger("work_area_right", work_area
.right());
94 window_preferences
->SetInteger("work_area_bottom", work_area
.bottom());
97 bool ChromeViewsDelegate::GetSavedWindowPlacement(
98 const views::Widget
* widget
,
99 const std::string
& window_name
,
101 ui::WindowShowState
* show_state
) const {
102 PrefService
* prefs
= g_browser_process
->local_state();
106 DCHECK(prefs
->FindPreference(window_name
.c_str()));
107 const base::DictionaryValue
* dictionary
=
108 prefs
->GetDictionary(window_name
.c_str());
109 int left
, top
, right
, bottom
;
110 if (!dictionary
|| !dictionary
->GetInteger("left", &left
) ||
111 !dictionary
->GetInteger("top", &top
) ||
112 !dictionary
->GetInteger("right", &right
) ||
113 !dictionary
->GetInteger("bottom", &bottom
))
116 bounds
->SetRect(left
, top
, right
- left
, bottom
- top
);
118 bool maximized
= false;
120 dictionary
->GetBoolean("maximized", &maximized
);
121 *show_state
= maximized
? ui::SHOW_STATE_MAXIMIZED
: ui::SHOW_STATE_NORMAL
;
124 // On Ash environment, a window won't span across displays. Adjust
125 // the bounds to fit the work area.
126 gfx::NativeView window
= widget
->GetNativeView();
127 if (chrome::GetHostDesktopTypeForNativeView(window
) ==
128 chrome::HOST_DESKTOP_TYPE_ASH
) {
129 gfx::Display display
= gfx::Screen::GetScreenFor(window
)->
130 GetDisplayMatching(*bounds
);
131 bounds
->AdjustToFit(display
.work_area());
132 ash::wm::GetWindowState(window
)->set_minimum_visibility(true);
138 void ChromeViewsDelegate::NotifyAccessibilityEvent(
139 views::View
* view
, ui::AccessibilityTypes::Event event_type
) {
140 AccessibilityEventRouterViews::GetInstance()->HandleAccessibilityEvent(
144 void ChromeViewsDelegate::NotifyMenuItemFocused(
145 const base::string16
& menu_name
,
146 const base::string16
& menu_item_name
,
150 AccessibilityEventRouterViews::GetInstance()->HandleMenuItemFocused(
151 menu_name
, menu_item_name
, item_index
, item_count
, has_submenu
);
155 HICON
ChromeViewsDelegate::GetDefaultWindowIcon() const {
159 bool ChromeViewsDelegate::IsWindowInMetro(gfx::NativeWindow window
) const {
160 return chrome::IsNativeViewInAsh(window
);
163 #elif defined(OS_LINUX) && !defined(OS_CHROMEOS)
164 gfx::ImageSkia
* ChromeViewsDelegate::GetDefaultWindowIcon() const {
165 ui::ResourceBundle
& rb
= ui::ResourceBundle::GetSharedInstance();
166 return rb
.GetImageSkiaNamed(IDR_PRODUCT_LOGO_64
);
170 views::NonClientFrameView
* ChromeViewsDelegate::CreateDefaultNonClientFrameView(
171 views::Widget
* widget
) {
173 if (chrome::IsNativeViewInAsh(widget
->GetNativeView()))
174 return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget
);
179 void ChromeViewsDelegate::AddRef() {
180 g_browser_process
->AddRefModule();
183 void ChromeViewsDelegate::ReleaseRef() {
184 g_browser_process
->ReleaseModule();
187 content::WebContents
* ChromeViewsDelegate::CreateWebContents(
188 content::BrowserContext
* browser_context
,
189 content::SiteInstance
* site_instance
) {
193 void ChromeViewsDelegate::OnBeforeWidgetInit(
194 views::Widget::InitParams
* params
,
195 views::internal::NativeWidgetDelegate
* delegate
) {
196 // We need to determine opacity if it's not already specified.
197 if (params
->opacity
== views::Widget::InitParams::INFER_OPACITY
)
198 params
->opacity
= GetOpacityForInitParams(*params
);
200 // If we already have a native_widget, we don't have to try to come
202 if (params
->native_widget
)
205 #if defined(USE_AURA) && !defined(OS_CHROMEOS)
206 bool use_non_toplevel_window
=
207 params
->parent
&& params
->type
!= views::Widget::InitParams::TYPE_MENU
;
210 // On desktop Linux Chrome must run in an environment that supports a variety
211 // of window managers, some of which do not play nicely with parts of our UI
212 // that have specific expectations about window sizing and placement. For this
213 // reason windows opened as top level (params.top_level) are always
214 // constrained by the browser frame, so we can position them correctly. This
215 // has some negative side effects, like dialogs being clipped by the browser
216 // frame, but the side effects are not as bad as the poor window manager
217 // interactions. On Windows however these WM interactions are not an issue, so
218 // we open windows requested as top_level as actual top level windows on the
220 use_non_toplevel_window
= use_non_toplevel_window
&&
221 (!params
->top_level
||
222 chrome::GetHostDesktopTypeForNativeView(params
->parent
) !=
223 chrome::HOST_DESKTOP_TYPE_NATIVE
);
225 if (!ui::win::IsAeroGlassEnabled()) {
226 // If we don't have composition (either because Glass is not enabled or
227 // because it was disabled at the command line), anything that requires
228 // transparency will be broken with a toplevel window, so force the use of
229 // a non toplevel window.
230 if (params
->opacity
== views::Widget::InitParams::TRANSLUCENT_WINDOW
&&
231 params
->type
!= views::Widget::InitParams::TYPE_MENU
)
232 use_non_toplevel_window
= true;
234 // If we're on Vista+ with composition enabled, then we can use toplevel
235 // windows for most things (they get blended via WS_EX_COMPOSITED, which
236 // allows for animation effects, but also exceeding the bounds of the parent
238 if (chrome::GetActiveDesktop() != chrome::HOST_DESKTOP_TYPE_ASH
&&
240 params
->type
!= views::Widget::InitParams::TYPE_CONTROL
&&
241 params
->type
!= views::Widget::InitParams::TYPE_WINDOW
) {
242 // When we set this to false, we get a DesktopNativeWidgetAura from the
243 // default case (not handled in this function).
244 use_non_toplevel_window
= false;
250 #if defined(OS_CHROMEOS)
251 // When we are doing straight chromeos builds, we still need to handle the
252 // toplevel window case.
253 // There may be a few remaining widgets in Chrome OS that are not top level,
254 // but have neither a context nor a parent. Provide a fallback context so
255 // users don't crash. Developers will hit the DCHECK and should provide a
258 params
->context
= params
->context
->GetRootWindow();
259 DCHECK(params
->parent
|| params
->context
|| params
->top_level
)
260 << "Please provide a parent or context for this widget.";
261 if (!params
->parent
&& !params
->context
)
262 params
->context
= ash::Shell::GetPrimaryRootWindow();
263 #elif defined(USE_AURA)
264 // While the majority of the time, context wasn't plumbed through due to the
265 // existence of a global WindowTreeClient, if this window is a toplevel, it's
266 // possible that there is no contextual state that we can use.
267 if (params
->parent
== NULL
&& params
->context
== NULL
&& params
->top_level
) {
268 // We need to make a decision about where to place this window based on the
270 switch (chrome::GetActiveDesktop()) {
271 case chrome::HOST_DESKTOP_TYPE_NATIVE
:
272 // If we're native, we should give this window its own toplevel desktop
274 params
->native_widget
= new views::DesktopNativeWidgetAura(delegate
);
277 case chrome::HOST_DESKTOP_TYPE_ASH
:
278 // If we're in ash, give this window the context of the main monitor.
279 params
->context
= ash::Shell::GetPrimaryRootWindow();
285 } else if (use_non_toplevel_window
) {
286 params
->native_widget
= new views::NativeWidgetAura(delegate
);
287 } else if (params
->type
!= views::Widget::InitParams::TYPE_TOOLTIP
) {
288 // TODO(erg): Once we've threaded context to everywhere that needs it, we
289 // should remove this check here.
290 gfx::NativeView to_check
=
291 params
->context
? params
->context
: params
->parent
;
292 if (chrome::GetHostDesktopTypeForNativeView(to_check
) ==
293 chrome::HOST_DESKTOP_TYPE_NATIVE
) {
294 params
->native_widget
= new views::DesktopNativeWidgetAura(delegate
);
301 ChromeViewsDelegate::GetDefaultTextfieldObscuredRevealDuration() {
302 return base::TimeDelta();
305 #if !defined(USE_AURA) && !defined(USE_CHROMEOS)
306 views::Widget::InitParams::WindowOpacity
307 ChromeViewsDelegate::GetOpacityForInitParams(
308 const views::Widget::InitParams
& params
) {
309 return views::Widget::InitParams::OPAQUE_WINDOW
;