chrome/browser/ui/ash/launcher/app_shortcut_launcher_item_controller.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/ash/launcher/app_shortcut_launcher_item_controller.h"
   6
   7 #include "apps/ui/native_app_window.h"
   8 #include "ash/shelf/shelf_model.h"
   9 #include "ash/shell.h"
  10 #include "ash/wm/window_util.h"
  11 #include "chrome/browser/extensions/extension_system.h"
  12 #include "chrome/browser/favicon/favicon_tab_helper.h"
  13 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
  14 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_tab.h"
  15 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
  16 #include "chrome/browser/ui/ash/launcher/launcher_application_menu_item_model.h"
  17 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
  18 #include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
  19 #include "chrome/browser/ui/ash/multi_user/multi_user_util.h"
  20 #include "chrome/browser/ui/ash/multi_user/multi_user_window_manager.h"
  21 #include "chrome/browser/ui/browser.h"
  22 #include "chrome/browser/ui/browser_finder.h"
  23 #include "chrome/browser/ui/browser_list.h"
  24 #include "chrome/browser/ui/browser_window.h"
  25 #include "chrome/browser/ui/host_desktop.h"
  26 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  27 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
  28 #include "content/public/browser/navigation_entry.h"
  29 #include "content/public/browser/web_contents.h"
  30 #include "extensions/browser/process_manager.h"
  31 #include "ui/aura/window.h"
  32 #include "ui/events/event.h"
  33 #include "ui/views/corewm/window_animations.h"
  34
  35 using extensions::Extension;
  36
  37 namespace {
  38
  39 // The time delta between clicks in which clicks to launch V2 apps are ignored.
  40 const int kClickSuppressionInMS = 1000;
  41
  42 // Check if a browser can be used for activation. This addresses a special use
  43 // case in the M31 multi profile mode where a user activates a V1 app which only
  44 // exists yet on another users desktop, but he expects to get only his own app
  45 // items and not the ones from other users through activation.
  46 // TODO(skuhne): Remove this function and replace the call with
  47 // launcher_controller()->IsBrowserFromActiveUser(browser) once this experiment
  48 // goes away.
  49 bool CanBrowserBeUsedForDirectActivation(Browser* browser,
  50                                          ChromeLauncherController* launcher) {
  51   if (chrome::MultiUserWindowManager::GetMultiProfileMode() ==
  52           chrome::MultiUserWindowManager::MULTI_PROFILE_MODE_OFF)
  53     return true;
  54   return multi_user_util::IsProfileFromActiveUser(browser->profile());
  55 }
  56
  57 }  // namespace
  58
  59 // Item controller for an app shortcut. Shortcuts track app and launcher ids,
  60 // but do not have any associated windows (opening a shortcut will replace the
  61 // item with the appropriate LauncherItemController type).
  62 AppShortcutLauncherItemController::AppShortcutLauncherItemController(
  63     const std::string& app_id,
  64     ChromeLauncherController* controller)
  65     : LauncherItemController(TYPE_SHORTCUT, app_id, controller),
  66       chrome_launcher_controller_(controller) {
  67   // To detect V1 applications we use their domain and match them against the
  68   // used URL. This will also work with applications like Google Drive.
  69   const Extension* extension =
  70       launcher_controller()->GetExtensionForAppID(app_id);
  71   // Some unit tests have no real extension.
  72   if (extension) {
  73     set_refocus_url(GURL(
  74         extensions::AppLaunchInfo::GetLaunchWebURL(extension).spec() + "*"));
  75   }
  76 }
  77
  78 AppShortcutLauncherItemController::~AppShortcutLauncherItemController() {
  79 }
  80
  81 bool AppShortcutLauncherItemController::IsOpen() const {
  82   return !chrome_launcher_controller_->
  83       GetV1ApplicationsFromAppId(app_id()).empty();
  84 }
  85
  86 bool AppShortcutLauncherItemController::IsVisible() const {
  87   // Return true if any browser window associated with the app is visible.
  88   std::vector<content::WebContents*> content =
  89       chrome_launcher_controller_->GetV1ApplicationsFromAppId(app_id());
  90   for (size_t i = 0; i < content.size(); i++) {
  91     Browser* browser = chrome::FindBrowserWithWebContents(content[i]);
  92     if (browser && browser->window()->GetNativeWindow()->IsVisible())
  93       return true;
  94   }
  95   return false;
  96 }
  97
  98 void AppShortcutLauncherItemController::Launch(ash::LaunchSource source,
  99                                                int event_flags) {
 100   launcher_controller()->LaunchApp(app_id(), source, event_flags);
 101 }
 102
 103 bool AppShortcutLauncherItemController::Activate(ash::LaunchSource source) {
 104   content::WebContents* content = GetLRUApplication();
 105   if (!content) {
 106     if (IsV2App()) {
 107       // Ideally we come here only once. After that ShellLauncherItemController
 108       // will take over when the shell window gets opened. However there are
 109       // apps which take a lot of time for pre-processing (like the files app)
 110       // before they open a window. Since there is currently no other way to
 111       // detect if an app was started we suppress any further clicks within a
 112       // special time out.
 113       if (!AllowNextLaunchAttempt())
 114         return false;
 115     }
 116     Launch(source, ui::EF_NONE);
 117     return true;
 118   }
 119   ActivateContent(content);
 120   return false;
 121 }
 122
 123 void AppShortcutLauncherItemController::Close() {
 124   // Close all running 'programs' of this type.
 125   std::vector<content::WebContents*> content =
 126       launcher_controller()->GetV1ApplicationsFromAppId(app_id());
 127   for (size_t i = 0; i < content.size(); i++) {
 128     Browser* browser = chrome::FindBrowserWithWebContents(content[i]);
 129     if (!browser || !launcher_controller()->IsBrowserFromActiveUser(browser))
 130       continue;
 131     TabStripModel* tab_strip = browser->tab_strip_model();
 132     int index = tab_strip->GetIndexOfWebContents(content[i]);
 133     DCHECK(index != TabStripModel::kNoTab);
 134     tab_strip->CloseWebContentsAt(index, TabStripModel::CLOSE_NONE);
 135   }
 136 }
 137
 138 ChromeLauncherAppMenuItems
 139 AppShortcutLauncherItemController::GetApplicationList(int event_flags) {
 140   ChromeLauncherAppMenuItems items;
 141   // Add the application name to the menu.
 142   items.push_back(new ChromeLauncherAppMenuItem(GetTitle(), NULL, false));
 143
 144   std::vector<content::WebContents*> content_list = GetRunningApplications();
 145
 146   for (size_t i = 0; i < content_list.size(); i++) {
 147     content::WebContents* web_contents = content_list[i];
 148     // Get the icon.
 149     gfx::Image app_icon = launcher_controller()->GetAppListIcon(web_contents);
 150     base::string16 title = launcher_controller()->GetAppListTitle(web_contents);
 151     items.push_back(new ChromeLauncherAppMenuItemTab(
 152         title, &app_icon, web_contents, i == 0));
 153   }
 154   return items.Pass();
 155 }
 156
 157 std::vector<content::WebContents*>
 158 AppShortcutLauncherItemController::GetRunningApplications() {
 159   std::vector<content::WebContents*> items;
 160
 161   URLPattern refocus_pattern(URLPattern::SCHEME_ALL);
 162   refocus_pattern.SetMatchAllURLs(true);
 163
 164   if (!refocus_url_.is_empty()) {
 165     refocus_pattern.SetMatchAllURLs(false);
 166     refocus_pattern.Parse(refocus_url_.spec());
 167   }
 168
 169   const Extension* extension =
 170       launcher_controller()->GetExtensionForAppID(app_id());
 171
 172   // It is possible to come here While an extension gets loaded.
 173   if (!extension)
 174     return items;
 175
 176   const BrowserList* ash_browser_list =
 177       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
 178   for (BrowserList::const_iterator it = ash_browser_list->begin();
 179        it != ash_browser_list->end(); ++it) {
 180     Browser* browser = *it;
 181     if (!launcher_controller()->IsBrowserFromActiveUser(browser))
 182       continue;
 183     TabStripModel* tab_strip = browser->tab_strip_model();
 184     for (int index = 0; index < tab_strip->count(); index++) {
 185       content::WebContents* web_contents = tab_strip->GetWebContentsAt(index);
 186       if (WebContentMatchesApp(
 187               extension, refocus_pattern, web_contents, browser->is_app()))
 188         items.push_back(web_contents);
 189     }
 190   }
 191   return items;
 192 }
 193
 194 bool AppShortcutLauncherItemController::ItemSelected(const ui::Event& event) {
 195   // In case of a keyboard event, we were called by a hotkey. In that case we
 196   // activate the next item in line if an item of our list is already active.
 197   if (event.type() == ui::ET_KEY_RELEASED) {
 198     if (AdvanceToNextApp())
 199       return false;
 200   }
 201   return Activate(ash::LAUNCH_FROM_UNKNOWN);
 202 }
 203
 204 base::string16 AppShortcutLauncherItemController::GetTitle() {
 205   return GetAppTitle();
 206 }
 207
 208 ui::MenuModel* AppShortcutLauncherItemController::CreateContextMenu(
 209     aura::Window* root_window) {
 210   ash::LauncherItem item =
 211       *(launcher_controller()->model()->ItemByID(launcher_id()));
 212   return new LauncherContextMenu(launcher_controller(), &item, root_window);
 213 }
 214
 215 ash::ShelfMenuModel* AppShortcutLauncherItemController::CreateApplicationMenu(
 216     int event_flags) {
 217   return new LauncherApplicationMenuItemModel(GetApplicationList(event_flags));
 218 }
 219
 220 bool AppShortcutLauncherItemController::IsDraggable() {
 221   return true;
 222 }
 223
 224 bool AppShortcutLauncherItemController::ShouldShowTooltip() {
 225   return true;
 226 }
 227
 228 content::WebContents* AppShortcutLauncherItemController::GetLRUApplication() {
 229   URLPattern refocus_pattern(URLPattern::SCHEME_ALL);
 230   refocus_pattern.SetMatchAllURLs(true);
 231
 232   if (!refocus_url_.is_empty()) {
 233     refocus_pattern.SetMatchAllURLs(false);
 234     refocus_pattern.Parse(refocus_url_.spec());
 235   }
 236
 237   const Extension* extension =
 238       launcher_controller()->GetExtensionForAppID(app_id());
 239
 240   // We may get here while the extension is loading (and NULL).
 241   if (!extension)
 242     return NULL;
 243
 244   const BrowserList* ash_browser_list =
 245       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
 246   for (BrowserList::const_reverse_iterator
 247        it = ash_browser_list->begin_last_active();
 248        it != ash_browser_list->end_last_active(); ++it) {
 249     Browser* browser = *it;
 250     if (!CanBrowserBeUsedForDirectActivation(browser, launcher_controller()))
 251       continue;
 252     TabStripModel* tab_strip = browser->tab_strip_model();
 253     // We start to enumerate from the active index.
 254     int active_index = tab_strip->active_index();
 255     for (int index = 0; index < tab_strip->count(); index++) {
 256       content::WebContents* web_contents = tab_strip->GetWebContentsAt(
 257           (index + active_index) % tab_strip->count());
 258       if (WebContentMatchesApp(
 259               extension, refocus_pattern, web_contents, browser->is_app()))
 260         return web_contents;
 261     }
 262   }
 263   // Coming here our application was not in the LRU list. This could have
 264   // happened because it did never get activated yet. So check the browser list
 265   // as well.
 266   for (BrowserList::const_iterator it = ash_browser_list->begin();
 267        it != ash_browser_list->end(); ++it) {
 268     Browser* browser = *it;
 269     if (!CanBrowserBeUsedForDirectActivation(browser, launcher_controller()))
 270       continue;
 271     TabStripModel* tab_strip = browser->tab_strip_model();
 272     for (int index = 0; index < tab_strip->count(); index++) {
 273       content::WebContents* web_contents = tab_strip->GetWebContentsAt(index);
 274       if (WebContentMatchesApp(
 275               extension, refocus_pattern, web_contents, browser->is_app()))
 276         return web_contents;
 277     }
 278   }
 279   return NULL;
 280 }
 281
 282 bool AppShortcutLauncherItemController::WebContentMatchesApp(
 283     const extensions::Extension* extension,
 284     const URLPattern& refocus_pattern,
 285     content::WebContents* web_contents,
 286     bool is_app) {
 287   // Note: We can come here when the initial navigation isn't completed and
 288   // no entry was yet created.
 289   const GURL tab_url = is_app && web_contents->GetController().GetEntryCount() ?
 290       web_contents->GetController().GetEntryAtIndex(0)->GetURL() :
 291       web_contents->GetURL();
 292   // There are three ways to identify the association of a URL with this
 293   // extension:
 294   // - The refocus pattern is matched (needed for apps like drive).
 295   // - The extension's origin + extent gets matched.
 296   // - The launcher controller knows that the tab got created for this app.
 297   return ((!refocus_pattern.match_all_urls() &&
 298            refocus_pattern.MatchesURL(tab_url)) ||
 299           (extension->OverlapsWithOrigin(tab_url) &&
 300            extension->web_extent().MatchesURL(tab_url)) ||
 301           launcher_controller()->IsWebContentHandledByApplication(web_contents,
 302                                                                   app_id()));
 303 }
 304
 305 void AppShortcutLauncherItemController::ActivateContent(
 306     content::WebContents* content) {
 307   Browser* browser = chrome::FindBrowserWithWebContents(content);
 308   TabStripModel* tab_strip = browser->tab_strip_model();
 309   int index = tab_strip->GetIndexOfWebContents(content);
 310   DCHECK_NE(TabStripModel::kNoTab, index);
 311
 312   int old_index = tab_strip->active_index();
 313   if (index != old_index)
 314     tab_strip->ActivateTabAt(index, false);
 315   launcher_controller()->ActivateWindowOrMinimizeIfActive(
 316       browser->window(),
 317       index == old_index && GetRunningApplications().size() == 1);
 318 }
 319
 320 bool AppShortcutLauncherItemController::AdvanceToNextApp() {
 321   std::vector<content::WebContents*> items = GetRunningApplications();
 322   if (items.size() >= 1) {
 323     Browser* browser = chrome::FindBrowserWithWindow(
 324         ash::wm::GetActiveWindow());
 325     if (browser) {
 326       TabStripModel* tab_strip = browser->tab_strip_model();
 327       content::WebContents* active = tab_strip->GetWebContentsAt(
 328           tab_strip->active_index());
 329       std::vector<content::WebContents*>::const_iterator i(
 330           std::find(items.begin(), items.end(), active));
 331       if (i != items.end()) {
 332         if (items.size() == 1) {
 333           // If there is only a single item available, we animate it upon key
 334           // action.
 335           AnimateWindow(browser->window()->GetNativeWindow(),
 336               views::corewm::WINDOW_ANIMATION_TYPE_BOUNCE);
 337         } else {
 338           int index = (static_cast<int>(i - items.begin()) + 1) % items.size();
 339           ActivateContent(items[index]);
 340         }
 341         return true;
 342       }
 343     }
 344   }
 345   return false;
 346 }
 347
 348 bool AppShortcutLauncherItemController::IsV2App() {
 349   const Extension* extension =
 350       launcher_controller()->GetExtensionForAppID(app_id());
 351   return extension && extension->is_platform_app();
 352 }
 353
 354 bool AppShortcutLauncherItemController::AllowNextLaunchAttempt() {
 355   if (last_launch_attempt_.is_null() ||
 356       last_launch_attempt_ + base::TimeDelta::FromMilliseconds(
 357           kClickSuppressionInMS) < base::Time::Now()) {
 358     last_launch_attempt_ = base::Time::Now();
 359     return true;
 360   }
 361   return false;
 362 }