Use high resolution icons where possible for streamlined hosted app icons.

chrome/browser/extensions/tab_helper.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/tab_helper.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 #include "chrome/browser/extensions/api/declarative_content/content_rules_registry.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/error_console/error_console.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/extensions/image_loader.h"
 #include "chrome/browser/extensions/page_action_controller.h"
 #include "chrome/browser/extensions/script_badge_controller.h"
 #include "chrome/browser/extensions/script_bubble_controller.h"
 #include "chrome/browser/extensions/script_executor.h"
 #include "chrome/browser/extensions/webstore_inline_installer.h"
 #include "chrome/browser/extensions/webstore_inline_installer_factory.h"
+#include "chrome/browser/favicon/favicon_downloader.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/app_list/app_list_util.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/host_desktop.h"
@@ skipping 235 matching lines @@
                         OnContentScriptsExecuting)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_OnWatchedPageChange,
                         OnWatchedPageChange)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DetailedConsoleMessageAdded,
                         OnDetailedConsoleMessageAdded)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
+void TabHelper::CreateHostedApp() {
+  favicon_downloader_.reset(
+      new FaviconDownloader(web_contents(),
+                            base::Bind(&TabHelper::FinishCreateHostedApp,
+                                       base::Unretained(this))));
+
+  // Add urls from the WebApplicationInfo.
+  std::vector<GURL> web_app_info_icon_urls;
+  for (std::vector<WebApplicationInfo::IconInfo>::const_iterator it =
+           web_app_info_.icons.begin();
+       it != web_app_info_.icons.end(); ++it) {
+    if (it->url.is_valid())
+      favicon_downloader_->AddExtraFaviconUrl(it->url);
+  }
+  favicon_downloader_->Start();
+}
+
+void TabHelper::FinishCreateHostedApp(
+    bool success,
+    const std::map<GURL, std::vector<SkBitmap> >& bitmaps) {
+  // The tab has navigated away during the icon download. Cancel the hosted app
+  // creation.
+  if (!success) {
+    favicon_downloader_.reset();
+    return;
+  }
+
+  WebApplicationInfo install_info(web_app_info_);
+  if (install_info.app_url.is_empty())
+    install_info.app_url = web_contents()->GetURL();
+
+  if (install_info.title.empty())
+    install_info.title = web_contents()->GetTitle();
+  if (install_info.title.empty())
+    install_info.title = UTF8ToUTF16(install_info.app_url.spec());
+
+  install_info.urls.push_back(install_info.app_url);
+  install_info.is_bookmark_app = true;
+
+  // Add the downloaded icons.
+  for (FaviconDownloader::FaviconMap::const_iterator map_it = bitmaps.begin();
+       map_it != bitmaps.end(); ++map_it) {
+    for (std::vector<SkBitmap>::const_iterator bitmap_it =
+             map_it->second.begin();
+         bitmap_it != map_it->second.end(); ++bitmap_it) {
+      if (!bitmap_it->empty()) {
+        WebApplicationInfo::IconInfo icon_info;
+        icon_info.data = *bitmap_it;
+        icon_info.width = icon_info.data.width();
+        icon_info.height = icon_info.data.height();
+        install_info.icons.push_back(icon_info);
+      }
+    }
+  }
+
+  Profile* profile =
+      Profile::FromBrowserContext(web_contents()->GetBrowserContext());
+  scoped_refptr<extensions::CrxInstaller> installer(
+      extensions::CrxInstaller::CreateSilent(profile->GetExtensionService()));
+  installer->set_error_on_unsupported_requirements(true);
+  installer->InstallWebApp(install_info);
+}
+
 void TabHelper::DidCloneToNewWebContents(WebContents* old_web_contents,
                                          WebContents* new_web_contents) {
   // When the WebContents that this is attached to is cloned, give the new clone
   // a TabHelper and copy state over.
   CreateForWebContents(new_web_contents);
   TabHelper* new_helper = FromWebContents(new_web_contents);
 
   new_helper->SetExtensionApp(extension_app());
   new_helper->extension_app_icon_ = extension_app_icon_;
 }
@@ skipping 10 matching lines @@
     return;
 
   switch (pending_web_app_action_) {
     case CREATE_SHORTCUT: {
       chrome::ShowCreateWebAppShortcutsDialog(
           web_contents()->GetView()->GetTopLevelNativeWindow(),
           web_contents());
       break;
     }
     case CREATE_HOSTED_APP: {
-      CreateHostedApp(info);
+      // This will create the hosted app on icon download completion.
+      CreateHostedApp();
       break;
     }
     case UPDATE_SHORTCUT: {
       web_app::UpdateShortcutForTabContents(web_contents());
       break;
     }
     default:
       NOTREACHED();
       break;
   }
 
   // The hosted app action will be cleared once the installation completes or
   // fails.
   if (pending_web_app_action_ != CREATE_HOSTED_APP)
     pending_web_app_action_ = NONE;
 #endif
 }
 
-void TabHelper::CreateHostedApp(const WebApplicationInfo& info) {
-  ShellIntegration::ShortcutInfo shortcut_info;
-  web_app::GetShortcutInfoForTab(web_contents(), &shortcut_info);
-  WebApplicationInfo web_app_info;
-
-  web_app_info.is_bookmark_app = true;
-  web_app_info.app_url = shortcut_info.url;
-  web_app_info.title = shortcut_info.title;
-  web_app_info.urls.push_back(web_app_info.app_url);
-
-  // TODO(calamity): this should attempt to download the best icon that it can
-  // from |info.icons| rather than just using the favicon as it scales up badly.
-  // Fix this once |info.icons| gets populated commonly.
-
-  // Get the smallest icon in the icon family (should have only 1).
-  const gfx::Image* icon = shortcut_info.favicon.GetBest(0, 0);
-  SkBitmap bitmap = icon ? icon->AsBitmap() : SkBitmap();
-
-  if (!icon->IsEmpty()) {
-    WebApplicationInfo::IconInfo icon_info;
-    icon_info.data = bitmap;
-    icon_info.width = icon_info.data.width();
-    icon_info.height = icon_info.data.height();
-    web_app_info.icons.push_back(icon_info);
-  }
-
-  ExtensionService* service = profile_->GetExtensionService();
-  scoped_refptr<extensions::CrxInstaller> installer(
-      extensions::CrxInstaller::CreateSilent(service));
-  installer->set_error_on_unsupported_requirements(true);
-  installer->InstallWebApp(web_app_info);
-}
-
 void TabHelper::OnInlineWebstoreInstall(
     int install_id,
     int return_route_id,
     const std::string& webstore_item_id,
     const GURL& requestor_url) {
   WebstoreStandaloneInstaller::Callback callback =
       base::Bind(&TabHelper::OnInlineInstallComplete, base::Unretained(this),
                  install_id, return_route_id);
   scoped_refptr<WebstoreInlineInstaller> installer(
       webstore_inline_installer_factory_->CreateInstaller(
@@ skipping 167 matching lines @@
           GetApplicationInfo(entry->GetPageID());
         else
           pending_web_app_action_ = NONE;
       }
       break;
     }
     case chrome::NOTIFICATION_CRX_INSTALLER_DONE: {
       if (pending_web_app_action_ != CREATE_HOSTED_APP)
         return;
 
+      favicon_downloader_.reset();
       pending_web_app_action_ = NONE;
 
       const Extension* extension =
           content::Details<const Extension>(details).ptr();
       if (!extension || !extension->from_bookmark())
         return;
 
       // If enabled, launch the app launcher and highlight the new app.
       // Otherwise, open the chrome://apps page in a new foreground tab.
       if (IsAppLauncherEnabled()) {
@@ skipping 16 matching lines @@
         browser->OpenURL(
             content::OpenURLParams(GURL(chrome::kChromeUIAppsURL),
                                    content::Referrer(),
                                    NEW_FOREGROUND_TAB,
                                    content::PAGE_TRANSITION_LINK,
                                    false));
       }
 #endif
     }
     case chrome::NOTIFICATION_EXTENSION_INSTALL_ERROR: {
-      if (pending_web_app_action_ == CREATE_HOSTED_APP)
+      if (pending_web_app_action_ == CREATE_HOSTED_APP) {
+        favicon_downloader_.reset();
         pending_web_app_action_ = NONE;
+      }
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
       if (script_bubble_controller_) {
         script_bubble_controller_->OnExtensionUnloaded(
             content::Details<extensions::UnloadedExtensionInfo>(
                 details)->extension->id());
         break;
       }
     }
   }
 }
 
 void TabHelper::SetTabId(RenderViewHost* render_view_host) {
   render_view_host->Send(
       new ExtensionMsg_SetTabId(render_view_host->GetRoutingID(),
                                 SessionID::IdForTab(web_contents())));
 }
 
 }  // namespace extensions