chrome/browser/ui/views/apps/chrome_native_app_window_views_win.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_win.h"
   6
   7 #include "apps/ui/views/app_window_frame_view.h"
   8 #include "ash/shell.h"
   9 #include "base/command_line.h"
  10 #include "base/files/file_util.h"
  11 #include "base/strings/utf_string_conversions.h"
  12 #include "base/threading/sequenced_worker_pool.h"
  13 #include "chrome/browser/apps/per_app_settings_service.h"
  14 #include "chrome/browser/apps/per_app_settings_service_factory.h"
  15 #include "chrome/browser/metro_utils/metro_chrome_win.h"
  16 #include "chrome/browser/profiles/profile.h"
  17 #include "chrome/browser/shell_integration.h"
  18 #include "chrome/browser/ui/views/apps/app_window_desktop_native_widget_aura_win.h"
  19 #include "chrome/browser/ui/views/apps/glass_app_window_frame_view_win.h"
  20 #include "chrome/browser/web_applications/web_app.h"
  21 #include "chrome/browser/web_applications/web_app_win.h"
  22 #include "chrome/common/chrome_icon_resources_win.h"
  23 #include "chrome/common/chrome_switches.h"
  24 #include "chrome/grit/generated_resources.h"
  25 #include "content/public/browser/browser_thread.h"
  26 #include "extensions/browser/app_window/app_window.h"
  27 #include "extensions/browser/app_window/app_window_registry.h"
  28 #include "extensions/common/extension.h"
  29 #include "ui/aura/remote_window_tree_host_win.h"
  30 #include "ui/base/l10n/l10n_util.h"
  31 #include "ui/base/win/shell.h"
  32 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
  33 #include "ui/views/win/hwnd_util.h"
  34
  35 ChromeNativeAppWindowViewsWin::ChromeNativeAppWindowViewsWin()
  36     : glass_frame_view_(NULL), is_translucent_(false), weak_ptr_factory_(this) {
  37 }
  38
  39 ChromeNativeAppWindowViewsWin::~ChromeNativeAppWindowViewsWin() {
  40 }
  41
  42 void ChromeNativeAppWindowViewsWin::ActivateParentDesktopIfNecessary() {
  43   // Only switching into Ash from Native is supported. Tearing the user out of
  44   // Metro mode can only be done by launching a process from Metro mode itself.
  45   // This is done for launching apps, but not regular activations.
  46   if (IsRunningInAsh() &&
  47       chrome::GetActiveDesktop() == chrome::HOST_DESKTOP_TYPE_NATIVE) {
  48     chrome::ActivateMetroChrome();
  49   }
  50 }
  51
  52 HWND ChromeNativeAppWindowViewsWin::GetNativeAppWindowHWND() const {
  53   return views::HWNDForWidget(widget()->GetTopLevelWidget());
  54 }
  55
  56 bool ChromeNativeAppWindowViewsWin::IsRunningInAsh() {
  57   if (!ash::Shell::HasInstance())
  58     return false;
  59
  60   views::Widget* widget =
  61       implicit_cast<views::WidgetDelegate*>(this)->GetWidget();
  62   chrome::HostDesktopType host_desktop_type =
  63       chrome::GetHostDesktopTypeForNativeWindow(widget->GetNativeWindow());
  64   return host_desktop_type == chrome::HOST_DESKTOP_TYPE_ASH;
  65 }
  66
  67 void ChromeNativeAppWindowViewsWin::EnsureCaptionStyleSet() {
  68   // Windows seems to have issues maximizing windows without WS_CAPTION.
  69   // The default views / Aura implementation will remove this if we are using
  70   // frameless or colored windows, so we put it back here.
  71   HWND hwnd = GetNativeAppWindowHWND();
  72   int current_style = ::GetWindowLong(hwnd, GWL_STYLE);
  73   ::SetWindowLong(hwnd, GWL_STYLE, current_style | WS_CAPTION);
  74 }
  75
  76 void ChromeNativeAppWindowViewsWin::OnBeforeWidgetInit(
  77     const extensions::AppWindow::CreateParams& create_params,
  78     views::Widget::InitParams* init_params,
  79     views::Widget* widget) {
  80   ChromeNativeAppWindowViewsAura::OnBeforeWidgetInit(create_params, init_params,
  81                                                      widget);
  82
  83   content::BrowserContext* browser_context = app_window()->browser_context();
  84   std::string extension_id = app_window()->extension_id();
  85   // If an app has any existing windows, ensure new ones are created on the
  86   // same desktop.
  87   extensions::AppWindow* any_existing_window =
  88       extensions::AppWindowRegistry::Get(browser_context)
  89           ->GetCurrentAppWindowForApp(extension_id);
  90   chrome::HostDesktopType desktop_type;
  91   if (any_existing_window) {
  92     desktop_type = chrome::GetHostDesktopTypeForNativeWindow(
  93         any_existing_window->GetNativeWindow());
  94   } else {
  95     PerAppSettingsService* settings =
  96         PerAppSettingsServiceFactory::GetForBrowserContext(browser_context);
  97     if (settings->HasDesktopLastLaunchedFrom(extension_id)) {
  98       desktop_type = settings->GetDesktopLastLaunchedFrom(extension_id);
  99     } else {
 100       // We don't know what desktop this app was last launched from, so take our
 101       // best guess as to what desktop the user is on.
 102       desktop_type = chrome::GetActiveDesktop();
 103     }
 104   }
 105   if (desktop_type == chrome::HOST_DESKTOP_TYPE_ASH)
 106     init_params->context = ash::Shell::GetPrimaryRootWindow();
 107   else
 108     init_params->native_widget = new AppWindowDesktopNativeWidgetAuraWin(this);
 109
 110   is_translucent_ =
 111       init_params->opacity == views::Widget::InitParams::TRANSLUCENT_WINDOW;
 112 }
 113
 114 void ChromeNativeAppWindowViewsWin::InitializeDefaultWindow(
 115     const extensions::AppWindow::CreateParams& create_params) {
 116   ChromeNativeAppWindowViewsAura::InitializeDefaultWindow(create_params);
 117
 118   // Remaining initialization is for Windows shell integration, which doesn't
 119   // apply to app windows in Ash.
 120   if (IsRunningInAsh())
 121     return;
 122
 123   const extensions::Extension* extension = app_window()->GetExtension();
 124   if (!extension)
 125     return;
 126
 127   std::string app_name =
 128       web_app::GenerateApplicationNameFromExtensionId(extension->id());
 129   base::string16 app_name_wide = base::UTF8ToWide(app_name);
 130   HWND hwnd = GetNativeAppWindowHWND();
 131   Profile* profile =
 132       Profile::FromBrowserContext(app_window()->browser_context());
 133   app_model_id_ =
 134       ShellIntegration::GetAppModelIdForProfile(app_name_wide,
 135                                                 profile->GetPath());
 136   ui::win::SetAppIdForWindow(app_model_id_, hwnd);
 137   web_app::UpdateRelaunchDetailsForApp(profile, extension, hwnd);
 138
 139   if (!create_params.alpha_enabled)
 140     EnsureCaptionStyleSet();
 141 }
 142
 143 views::NonClientFrameView*
 144 ChromeNativeAppWindowViewsWin::CreateStandardDesktopAppFrame() {
 145   glass_frame_view_ = NULL;
 146   if (ui::win::IsAeroGlassEnabled()) {
 147     glass_frame_view_ = new GlassAppWindowFrameViewWin(this, widget());
 148     return glass_frame_view_;
 149   }
 150   return ChromeNativeAppWindowViewsAura::CreateStandardDesktopAppFrame();
 151 }
 152
 153 void ChromeNativeAppWindowViewsWin::Show() {
 154   ActivateParentDesktopIfNecessary();
 155   ChromeNativeAppWindowViewsAura::Show();
 156 }
 157
 158 void ChromeNativeAppWindowViewsWin::Activate() {
 159   ActivateParentDesktopIfNecessary();
 160   ChromeNativeAppWindowViewsAura::Activate();
 161 }
 162
 163 bool ChromeNativeAppWindowViewsWin::CanMinimize() const {
 164   // Resizing on Windows breaks translucency if the window also has shape.
 165   // See http://crbug.com/417947.
 166   return ChromeNativeAppWindowViewsAura::CanMinimize() &&
 167          !(WidgetHasHitTestMask() && is_translucent_);
 168 }