chrome/browser/ui/extensions/application_launch.cc

   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.
   4
   5 #include "chrome/browser/ui/extensions/application_launch.h"
   6
   7 #include <string>
   8
   9 #include "apps/launcher.h"
  10 #include "base/command_line.h"
  11 #include "base/metrics/field_trial.h"
  12 #include "base/metrics/histogram.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "chrome/browser/app_mode/app_mode_utils.h"
  15 #include "chrome/browser/apps/per_app_settings_service.h"
  16 #include "chrome/browser/apps/per_app_settings_service_factory.h"
  17 #include "chrome/browser/extensions/extension_prefs.h"
  18 #include "chrome/browser/extensions/extension_service.h"
  19 #include "chrome/browser/extensions/extension_system.h"
  20 #include "chrome/browser/extensions/launch_util.h"
  21 #include "chrome/browser/extensions/tab_helper.h"
  22 #include "chrome/browser/profiles/profile.h"
  23 #include "chrome/browser/signin/signin_manager.h"
  24 #include "chrome/browser/signin/signin_manager_factory.h"
  25 #include "chrome/browser/ui/app_list/app_list_service.h"
  26 #include "chrome/browser/ui/browser.h"
  27 #include "chrome/browser/ui/browser_commands.h"
  28 #include "chrome/browser/ui/browser_finder.h"
  29 #include "chrome/browser/ui/browser_tabstrip.h"
  30 #include "chrome/browser/ui/browser_window.h"
  31 #include "chrome/browser/ui/extensions/extension_enable_flow.h"
  32 #include "chrome/browser/ui/extensions/extension_enable_flow_delegate.h"
  33 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  34 #include "chrome/browser/web_applications/web_app.h"
  35 #include "chrome/common/chrome_switches.h"
  36 #include "chrome/common/extensions/extension_constants.h"
  37 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
  38 #include "chrome/common/extensions/manifest_url_handler.h"
  39 #include "chrome/common/url_constants.h"
  40 #include "content/public/browser/render_view_host.h"
  41 #include "content/public/browser/web_contents.h"
  42 #include "content/public/browser/web_contents_view.h"
  43 #include "content/public/common/renderer_preferences.h"
  44 #include "extensions/browser/extension_registry.h"
  45 #include "extensions/common/constants.h"
  46 #include "extensions/common/extension.h"
  47 #include "grit/generated_resources.h"
  48 #include "ui/base/l10n/l10n_util.h"
  49 #include "ui/base/window_open_disposition.h"
  50 #include "ui/gfx/rect.h"
  51
  52 #if defined(OS_MACOSX)
  53 #include "chrome/browser/ui/browser_commands_mac.h"
  54 #endif
  55
  56 #if defined(OS_WIN)
  57 #include "win8/util/win8_util.h"
  58 #endif
  59
  60 using content::WebContents;
  61 using extensions::Extension;
  62 using extensions::ExtensionPrefs;
  63 using extensions::ExtensionRegistry;
  64
  65 namespace {
  66
  67 // Attempts to launch a packaged app, prompting the user to enable it if
  68 // necessary. If a prompt is required it will be shown inside the AppList.
  69 // This class manages its own lifetime.
  70 class EnableViaAppListFlow : public ExtensionEnableFlowDelegate {
  71  public:
  72   EnableViaAppListFlow(ExtensionService* service,
  73                        Profile* profile,
  74                        chrome::HostDesktopType desktop_type,
  75                        const std::string& extension_id,
  76                        const base::Closure& callback)
  77       : service_(service),
  78         profile_(profile),
  79         desktop_type_(desktop_type),
  80         extension_id_(extension_id),
  81         callback_(callback) {
  82   }
  83
  84   virtual ~EnableViaAppListFlow() {
  85   }
  86
  87   void Run() {
  88     DCHECK(!service_->IsExtensionEnabled(extension_id_));
  89     flow_.reset(new ExtensionEnableFlow(profile_, extension_id_, this));
  90     flow_->StartForCurrentlyNonexistentWindow(
  91         base::Bind(&EnableViaAppListFlow::ShowAppList, base::Unretained(this)));
  92   }
  93
  94  private:
  95   gfx::NativeWindow ShowAppList() {
  96     AppListService* app_list_service = AppListService::Get(desktop_type_);
  97     app_list_service->Show();
  98     return app_list_service->GetAppListWindow();
  99   }
 100
 101   // ExtensionEnableFlowDelegate overrides.
 102   virtual void ExtensionEnableFlowFinished() OVERRIDE {
 103     const Extension* extension =
 104         service_->GetExtensionById(extension_id_, false);
 105     if (!extension)
 106       return;
 107     callback_.Run();
 108     delete this;
 109   }
 110
 111   virtual void ExtensionEnableFlowAborted(bool user_initiated) OVERRIDE {
 112     delete this;
 113   }
 114
 115   ExtensionService* service_;
 116   Profile* profile_;
 117   chrome::HostDesktopType desktop_type_;
 118   std::string extension_id_;
 119   base::Closure callback_;
 120   scoped_ptr<ExtensionEnableFlow> flow_;
 121
 122   DISALLOW_COPY_AND_ASSIGN(EnableViaAppListFlow);
 123 };
 124
 125 const Extension* GetExtension(const AppLaunchParams& params) {
 126   if (params.extension_id.empty())
 127     return NULL;
 128   ExtensionRegistry* registry = ExtensionRegistry::Get(params.profile);
 129   return registry->GetExtensionById(params.extension_id,
 130                                     ExtensionRegistry::ENABLED |
 131                                         ExtensionRegistry::DISABLED |
 132                                         ExtensionRegistry::TERMINATED);
 133 }
 134
 135 // Get the launch URL for a given extension, with optional override/fallback.
 136 // |override_url|, if non-empty, will be preferred over the extension's
 137 // launch url.
 138 GURL UrlForExtension(const Extension* extension,
 139                      const GURL& override_url) {
 140   if (!extension)
 141     return override_url;
 142
 143   GURL url;
 144   if (!override_url.is_empty()) {
 145     DCHECK(extension->web_extent().MatchesURL(override_url) ||
 146            override_url.GetOrigin() == extension->url());
 147     url = override_url;
 148   } else {
 149     url = extensions::AppLaunchInfo::GetFullLaunchURL(extension);
 150   }
 151
 152   // For extensions lacking launch urls, determine a reasonable fallback.
 153   if (!url.is_valid()) {
 154     url = extensions::ManifestURL::GetOptionsPage(extension);
 155     if (!url.is_valid())
 156       url = GURL(chrome::kChromeUIExtensionsURL);
 157   }
 158
 159   return url;
 160 }
 161
 162 ui::WindowShowState DetermineWindowShowState(
 163     Profile* profile,
 164     extensions::LaunchContainer container,
 165     const Extension* extension) {
 166   if (!extension || container != extensions::LAUNCH_CONTAINER_WINDOW)
 167     return ui::SHOW_STATE_DEFAULT;
 168
 169   if (chrome::IsRunningInForcedAppMode())
 170     return ui::SHOW_STATE_FULLSCREEN;
 171
 172 #if defined(USE_ASH)
 173   // In ash, LAUNCH_TYPE_FULLSCREEN launches in a maximized app window and
 174   // LAUNCH_TYPE_WINDOW launches in a normal app window.
 175   ExtensionService* service =
 176       extensions::ExtensionSystem::Get(profile)->extension_service();
 177   extensions::LaunchType launch_type = extensions::GetLaunchType(
 178       service->extension_prefs(), extension);
 179   if (launch_type == extensions::LAUNCH_TYPE_FULLSCREEN)
 180     return ui::SHOW_STATE_MAXIMIZED;
 181   else if (launch_type == extensions::LAUNCH_TYPE_WINDOW)
 182     return ui::SHOW_STATE_NORMAL;
 183 #endif
 184
 185   return ui::SHOW_STATE_DEFAULT;
 186 }
 187
 188 WebContents* OpenApplicationWindow(const AppLaunchParams& params) {
 189   Profile* const profile = params.profile;
 190   const Extension* const extension = GetExtension(params);
 191   const GURL url_input = params.override_url;
 192
 193   DCHECK(!url_input.is_empty() || extension);
 194   GURL url = UrlForExtension(extension, url_input);
 195   Browser::CreateParams browser_params(
 196       Browser::TYPE_POPUP, profile, params.desktop_type);
 197
 198   browser_params.app_name = extension ?
 199       web_app::GenerateApplicationNameFromExtensionId(extension->id()) :
 200       web_app::GenerateApplicationNameFromURL(url);
 201
 202   if (!params.override_bounds.IsEmpty()) {
 203     browser_params.initial_bounds = params.override_bounds;
 204   } else if (extension) {
 205     browser_params.initial_bounds.set_width(
 206         extensions::AppLaunchInfo::GetLaunchWidth(extension));
 207     browser_params.initial_bounds.set_height(
 208         extensions::AppLaunchInfo::GetLaunchHeight(extension));
 209   }
 210
 211   browser_params.initial_show_state = DetermineWindowShowState(profile,
 212                                                                params.container,
 213                                                                extension);
 214
 215   Browser* browser = NULL;
 216 #if defined(OS_WIN)
 217   // On Windows 8's single window Metro mode we don't allow multiple Chrome
 218   // windows to be created. We instead attempt to reuse an existing Browser
 219   // window.
 220   if (win8::IsSingleWindowMetroMode())
 221     browser = chrome::FindBrowserWithProfile(profile, params.desktop_type);
 222
 223 #endif
 224   if (!browser)
 225     browser = new Browser(browser_params);
 226
 227   WebContents* web_contents = chrome::AddSelectedTabWithURL(
 228       browser, url, content::PAGE_TRANSITION_AUTO_TOPLEVEL);
 229   web_contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
 230   web_contents->GetRenderViewHost()->SyncRendererPrefs();
 231
 232   browser->window()->Show();
 233
 234   // TODO(jcampan): http://crbug.com/8123 we should not need to set the initial
 235   //                focus explicitly.
 236   web_contents->GetView()->SetInitialFocus();
 237   return web_contents;
 238 }
 239
 240 WebContents* OpenApplicationTab(const AppLaunchParams& launch_params) {
 241   const Extension* extension = GetExtension(launch_params);
 242   CHECK(extension);
 243   Profile* const profile = launch_params.profile;
 244   WindowOpenDisposition disposition = launch_params.disposition;
 245
 246   Browser* browser = chrome::FindTabbedBrowser(profile,
 247                                                false,
 248                                                launch_params.desktop_type);
 249   WebContents* contents = NULL;
 250   if (!browser) {
 251     // No browser for this profile, need to open a new one.
 252     browser = new Browser(Browser::CreateParams(Browser::TYPE_TABBED,
 253                                                 profile,
 254                                                 launch_params.desktop_type));
 255     browser->window()->Show();
 256     // There's no current tab in this browser window, so add a new one.
 257     disposition = NEW_FOREGROUND_TAB;
 258   } else {
 259     // For existing browser, ensure its window is shown and activated.
 260     browser->window()->Show();
 261     browser->window()->Activate();
 262   }
 263
 264   // Check the prefs for overridden mode.
 265   ExtensionService* extension_service =
 266       extensions::ExtensionSystem::Get(profile)->extension_service();
 267   DCHECK(extension_service);
 268
 269   extensions::LaunchType launch_type = extensions::GetLaunchType(
 270       extension_service->extension_prefs(), extension);
 271   UMA_HISTOGRAM_ENUMERATION("Extensions.AppTabLaunchType", launch_type, 100);
 272
 273   int add_type = TabStripModel::ADD_ACTIVE;
 274   if (launch_type == extensions::LAUNCH_TYPE_PINNED)
 275     add_type |= TabStripModel::ADD_PINNED;
 276
 277   GURL extension_url = UrlForExtension(extension, launch_params.override_url);
 278   chrome::NavigateParams params(browser, extension_url,
 279                                 content::PAGE_TRANSITION_AUTO_TOPLEVEL);
 280   params.tabstrip_add_types = add_type;
 281   params.disposition = disposition;
 282
 283   if (disposition == CURRENT_TAB) {
 284     WebContents* existing_tab =
 285         browser->tab_strip_model()->GetActiveWebContents();
 286     TabStripModel* model = browser->tab_strip_model();
 287     int tab_index = model->GetIndexOfWebContents(existing_tab);
 288
 289     existing_tab->OpenURL(content::OpenURLParams(
 290           extension_url,
 291           content::Referrer(existing_tab->GetURL(),
 292                             blink::WebReferrerPolicyDefault),
 293           disposition, content::PAGE_TRANSITION_LINK, false));
 294     // Reset existing_tab as OpenURL() may have clobbered it.
 295     existing_tab = browser->tab_strip_model()->GetActiveWebContents();
 296     if (params.tabstrip_add_types & TabStripModel::ADD_PINNED) {
 297       model->SetTabPinned(tab_index, true);
 298       // Pinning may have moved the tab.
 299       tab_index = model->GetIndexOfWebContents(existing_tab);
 300     }
 301     if (params.tabstrip_add_types & TabStripModel::ADD_ACTIVE)
 302       model->ActivateTabAt(tab_index, true);
 303
 304     contents = existing_tab;
 305   } else {
 306     chrome::Navigate(&params);
 307     contents = params.target_contents;
 308   }
 309
 310   // On Chrome OS the host desktop type for a browser window is always set to
 311   // HOST_DESKTOP_TYPE_ASH. On Windows 8 it is only the case for Chrome ASH
 312   // in metro mode.
 313   if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH) {
 314     // In ash, LAUNCH_FULLSCREEN launches in the OpenApplicationWindow function
 315     // i.e. it should not reach here.
 316     DCHECK(launch_type != extensions::LAUNCH_TYPE_FULLSCREEN);
 317   } else {
 318     // TODO(skerner):  If we are already in full screen mode, and the user
 319     // set the app to open as a regular or pinned tab, what should happen?
 320     // Today we open the tab, but stay in full screen mode.  Should we leave
 321     // full screen mode in this case?
 322     if (launch_type == extensions::LAUNCH_TYPE_FULLSCREEN &&
 323         !browser->window()->IsFullscreen()) {
 324 #if defined(OS_MACOSX)
 325       chrome::ToggleFullscreenWithChromeOrFallback(browser);
 326 #else
 327       chrome::ToggleFullscreenMode(browser);
 328 #endif
 329     }
 330   }
 331   return contents;
 332 }
 333
 334 WebContents* OpenEnabledApplication(const AppLaunchParams& params) {
 335   const Extension* extension = GetExtension(params);
 336   if (!extension)
 337     return NULL;
 338   Profile* profile = params.profile;
 339
 340   WebContents* tab = NULL;
 341   ExtensionPrefs* prefs = extensions::ExtensionSystem::Get(profile)->
 342       extension_service()->extension_prefs();
 343   prefs->SetActiveBit(extension->id(), true);
 344
 345   UMA_HISTOGRAM_ENUMERATION(
 346       "Extensions.AppLaunchContainer", params.container, 100);
 347
 348   if (extension->is_platform_app()) {
 349     // Remember what desktop the launch happened on so that when the app opens a
 350     // window we can open them on the right desktop.
 351     PerAppSettingsServiceFactory::GetForBrowserContext(profile)->
 352         SetDesktopLastLaunchedFrom(extension->id(), params.desktop_type);
 353 #if !defined(OS_CHROMEOS)
 354     SigninManager* signin_manager =
 355         SigninManagerFactory::GetForProfile(profile);
 356     if (signin_manager && signin_manager->GetAuthenticatedUsername().empty()) {
 357       const char kEnforceSigninToUseAppsFieldTrial[] = "EnforceSigninToUseApps";
 358
 359       std::string field_trial_value =
 360           base::FieldTrialList::FindFullName(kEnforceSigninToUseAppsFieldTrial);
 361
 362       // Only enforce signin if the field trial is set.
 363       if (!field_trial_value.empty()) {
 364         GURL gurl(l10n_util::GetStringFUTF8(
 365             IDS_APP_LAUNCH_NOT_SIGNED_IN_LINK,
 366             base::UTF8ToUTF16(extension->id())));
 367         chrome::NavigateParams navigate_params(profile, gurl,
 368                                                content::PAGE_TRANSITION_LINK);
 369         navigate_params.host_desktop_type = params.desktop_type;
 370         chrome::Navigate(&navigate_params);
 371         return NULL;
 372       }
 373     }
 374 #endif
 375
 376     apps::LaunchPlatformAppWithCommandLine(
 377         profile, extension, params.command_line, params.current_directory);
 378     return NULL;
 379   }
 380
 381   // Record v1 app launch. Platform app launch is recorded when dispatching
 382   // the onLaunched event.
 383   prefs->SetLastLaunchTime(extension->id(), base::Time::Now());
 384
 385   switch (params.container) {
 386     case extensions::LAUNCH_CONTAINER_NONE: {
 387       NOTREACHED();
 388       break;
 389     }
 390     case extensions::LAUNCH_CONTAINER_PANEL:
 391     case extensions::LAUNCH_CONTAINER_WINDOW:
 392       tab = OpenApplicationWindow(params);
 393       break;
 394     case extensions::LAUNCH_CONTAINER_TAB: {
 395       tab = OpenApplicationTab(params);
 396       break;
 397     }
 398     default:
 399       NOTREACHED();
 400       break;
 401   }
 402   return tab;
 403 }
 404
 405 }  // namespace
 406
 407 AppLaunchParams::AppLaunchParams(Profile* profile,
 408                                  const extensions::Extension* extension,
 409                                  extensions::LaunchContainer container,
 410                                  WindowOpenDisposition disposition)
 411     : profile(profile),
 412       extension_id(extension ? extension->id() : std::string()),
 413       container(container),
 414       disposition(disposition),
 415       desktop_type(chrome::GetActiveDesktop()),
 416       override_url(),
 417       override_bounds(),
 418       command_line(CommandLine::NO_PROGRAM) {}
 419
 420 AppLaunchParams::AppLaunchParams(Profile* profile,
 421                                  const extensions::Extension* extension,
 422                                  WindowOpenDisposition disposition)
 423     : profile(profile),
 424       extension_id(extension ? extension->id() : std::string()),
 425       container(extensions::LAUNCH_CONTAINER_NONE),
 426       disposition(disposition),
 427       desktop_type(chrome::GetActiveDesktop()),
 428       override_url(),
 429       override_bounds(),
 430       command_line(CommandLine::NO_PROGRAM) {
 431   ExtensionService* service =
 432       extensions::ExtensionSystem::Get(profile)->extension_service();
 433   DCHECK(service);
 434
 435   // Look up the app preference to find out the right launch container. Default
 436   // is to launch as a regular tab.
 437   container = extensions::GetLaunchContainer(
 438       service->extension_prefs(), extension);
 439 }
 440
 441 AppLaunchParams::AppLaunchParams(Profile* profile,
 442                                  const extensions::Extension* extension,
 443                                  int event_flags,
 444                                  chrome::HostDesktopType desktop_type)
 445     : profile(profile),
 446       extension_id(extension ? extension->id() : std::string()),
 447       container(extensions::LAUNCH_CONTAINER_NONE),
 448       disposition(ui::DispositionFromEventFlags(event_flags)),
 449       desktop_type(desktop_type),
 450       override_url(),
 451       override_bounds(),
 452       command_line(CommandLine::NO_PROGRAM) {
 453   if (disposition == NEW_FOREGROUND_TAB || disposition == NEW_BACKGROUND_TAB) {
 454     container = extensions::LAUNCH_CONTAINER_TAB;
 455   } else if (disposition == NEW_WINDOW) {
 456     container = extensions::LAUNCH_CONTAINER_WINDOW;
 457   } else {
 458     ExtensionService* service =
 459         extensions::ExtensionSystem::Get(profile)->extension_service();
 460     DCHECK(service);
 461
 462     // Look at preference to find the right launch container.  If no preference
 463     // is set, launch as a regular tab.
 464     container = extensions::GetLaunchContainer(
 465         service->extension_prefs(), extension);
 466     disposition = NEW_FOREGROUND_TAB;
 467   }
 468 }
 469
 470 AppLaunchParams::~AppLaunchParams() {
 471 }
 472
 473 WebContents* OpenApplication(const AppLaunchParams& params) {
 474   return OpenEnabledApplication(params);
 475 }
 476
 477 void OpenApplicationWithReenablePrompt(const AppLaunchParams& params) {
 478   const Extension* extension = GetExtension(params);
 479   if (!extension)
 480     return;
 481   Profile* profile = params.profile;
 482
 483   ExtensionService* service =
 484       extensions::ExtensionSystem::Get(profile)->extension_service();
 485   if (!service->IsExtensionEnabled(extension->id())) {
 486     (new EnableViaAppListFlow(
 487         service, profile, params.desktop_type, extension->id(),
 488         base::Bind(base::IgnoreResult(OpenEnabledApplication), params)))->Run();
 489     return;
 490   }
 491
 492   OpenEnabledApplication(params);
 493 }
 494
 495 WebContents* OpenAppShortcutWindow(Profile* profile,
 496                                    const GURL& url,
 497                                    const gfx::Rect& override_bounds) {
 498   AppLaunchParams launch_params(
 499       profile,
 500       NULL,  // this is a URL app.  No extension.
 501       extensions::LAUNCH_CONTAINER_WINDOW,
 502       NEW_WINDOW);
 503   launch_params.override_url = url;
 504   launch_params.override_bounds = override_bounds;
 505
 506   WebContents* tab = OpenApplicationWindow(launch_params);
 507
 508   if (!tab)
 509     return NULL;
 510
 511   // Set UPDATE_SHORTCUT as the pending web app action. This action is picked
 512   // up in LoadingStateChanged to schedule a GetApplicationInfo. And when
 513   // the web app info is available, extensions::TabHelper notifies Browser via
 514   // OnDidGetApplicationInfo, which calls
 515   // web_app::UpdateShortcutForTabContents when it sees UPDATE_SHORTCUT as
 516   // pending web app action.
 517   extensions::TabHelper::FromWebContents(tab)->set_pending_web_app_action(
 518       extensions::TabHelper::UPDATE_SHORTCUT);
 519
 520   return tab;
 521 }