Add option to install an ephemeral app to the Windows jump list

chrome/browser/ui/views/apps/native_app_window_views_win.cc

 // Copyright 2013 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/ui/views/apps/native_app_window_views_win.h"
 
 #include "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "ash/shell.h"
+#include "base/command_line.h"
+#include "base/file_util.h"
+#include "base/path_service.h"
+#include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/apps/per_app_settings_service.h"
 #include "chrome/browser/apps/per_app_settings_service_factory.h"
 #include "chrome/browser/metro_utils/metro_chrome_win.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/views/apps/jumplist_updater_win.h"
+#include "chrome/browser/ui/web_applications/web_app_ui.h"
+#include "chrome/browser/web_applications/web_app.h"
+#include "chrome/browser/web_applications/web_app_win.h"
+#include "chrome/common/chrome_switches.h"
+#include "content/public/browser/browser_thread.h"
 #include "extensions/common/extension.h"
+#include "grit/chromium_strings.h"
 #include "ui/aura/remote_root_window_host_win.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/win/shell.h"
 #include "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
+#include "ui/views/win/hwnd_util.h"
 
-NativeAppWindowViewsWin::NativeAppWindowViewsWin() {
+namespace {
+
+void CreateIconAndSetRelaunchDetails(
+    const base::FilePath web_app_path,

[tapted, 2014/02/12 10:16:28]

nit: const reference, same for icon_file

+    const base::FilePath icon_file,
+    const ShellIntegration::ShortcutInfo& shortcut_info,
+    const HWND hwnd) {
+  DCHECK(content::BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread());
+
+  // Set the relaunch data so "Pin this program to taskbar" has the app's
+  // information.
+  CommandLine command_line = ShellIntegration::CommandLineArgsForLauncher(
+      shortcut_info.url,
+      shortcut_info.extension_id,
+      shortcut_info.profile_path);
+
+  base::FilePath chrome_exe;
+  if (!PathService::Get(base::FILE_EXE, &chrome_exe)) {
+    NOTREACHED();
+    return;
+  }
+  command_line.SetProgram(chrome_exe);
+  ui::win::SetRelaunchDetailsForWindow(command_line.GetCommandLineString(),
+      shortcut_info.title, hwnd);
+
+  if (!base::PathExists(web_app_path) &&
+      !base::CreateDirectory(web_app_path))

[tapted, 2014/02/12 10:16:28]

nit (although you're just moving it..): curlies for multi-line if

+    return;
+
+  ui::win::SetAppIconForWindow(icon_file.value(), hwnd);
+  web_app::internals::CheckAndSaveIcon(icon_file, shortcut_info.favicon);
+}
+
+base::FilePath GetInstallIconPath() {
+  const wchar_t kInstallIconSubdir[] = L"icons";
+  const wchar_t kInstallIconFileName[] = L"star.ico";

[grt (UTC plus 2), 2014/02/12 16:04:43]

can this be in a resource of chrome.exe or something? is there a benefit to it
being a new file?

+
+  base::FilePath icon_path;
+  if (!PathService::Get(base::DIR_MODULE, &icon_path))
+    return base::FilePath();
+
+  return icon_path.Append(kInstallIconSubdir).Append(kInstallIconFileName);
+}
+
+}  // namespace
+
+NativeAppWindowViewsWin::NativeAppWindowViewsWin()
+    : weak_ptr_factory_(this) {
 }
 
 void NativeAppWindowViewsWin::ActivateParentDesktopIfNecessary() {
   if (!ash::Shell::HasInstance())
     return;
 
   views::Widget* widget =
       implicit_cast<views::WidgetDelegate*>(this)->GetWidget();
   chrome::HostDesktopType host_desktop_type =
       chrome::GetHostDesktopTypeForNativeWindow(widget->GetNativeWindow());
@@ skipping 27 matching lines @@
       // best guess as to what desktop the user is on.
       desktop_type = chrome::GetActiveDesktop();
     }
   }
   if (desktop_type == chrome::HOST_DESKTOP_TYPE_ASH)
     init_params->context = ash::Shell::GetPrimaryRootWindow();
   else
     init_params->native_widget = new views::DesktopNativeWidgetAura(widget);
 }
 
+void NativeAppWindowViewsWin::InitializeDefaultWindow(
+      const apps::ShellWindow::CreateParams& create_params) {
+  NativeAppWindowViews::InitializeDefaultWindow(create_params);
+
+  std::string app_name =
+      web_app::GenerateApplicationNameFromExtensionId(extension()->id());
+  base::string16 app_name_wide = base::UTF8ToWide(app_name);
+  HWND hwnd = GetNativeAppWindowHWND();
+  base::string16 app_id = ShellIntegration::GetAppModelIdForProfile(
+      app_name_wide, profile()->GetPath());
+  ui::win::SetAppIdForWindow(app_id, hwnd);
+
+  web_app::UpdateShortcutInfoAndIconForApp(
+      *extension(), profile(),
+      base::Bind(&NativeAppWindowViewsWin::OnShortcutInfoLoaded,
+                 weak_ptr_factory_.GetWeakPtr()));
+
+  if (CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kEnableEphemeralApps)) {
+    jumplist_updater_.reset(new JumpListUpdater(profile(), app_id));
+    UpdateAppMenu();
+  }
+}
+
 void NativeAppWindowViewsWin::Show() {
   ActivateParentDesktopIfNecessary();
   NativeAppWindowViews::Show();
 }
 
 void NativeAppWindowViewsWin::Activate() {
   ActivateParentDesktopIfNecessary();
   NativeAppWindowViews::Activate();
 }
+
+void NativeAppWindowViewsWin::UpdateAppMenu() {
+  if (!jumplist_updater_.get())
+    return;
+
+  std::vector<JumpListUpdater::ListItem> list_items;
+
+  // Add item to install ephemeral apps.
+  if (extension()->is_ephemeral()) {
+    JumpListUpdater::ListItem install_item(
+        l10n_util::GetStringUTF16(IDS_EXTENSION_INLINE_INSTALL_PROMPT_TITLE),
+        GetInstallIconPath());
+    JumpListUpdater::AppendArgs(switches::kInstallFromWebstore,
+                                base::UTF8ToWide(extension()->id()),
+                                &install_item.command_line_args);
+    list_items.push_back(install_item);
+  }
+
+  jumplist_updater_->Update(list_items);
+}
+
+void NativeAppWindowViewsWin::OnShortcutInfoLoaded(
+    const ShellIntegration::ShortcutInfo& shortcut_info) {
+  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+
+  HWND hwnd = GetNativeAppWindowHWND();
+
+  // Set window's icon to the one we're about to create/update in the web app
+  // path. The icon cache will refresh on icon creation.
+  base::FilePath web_app_path = web_app::GetWebAppDataDirectory(
+      shortcut_info.profile_path, shortcut_info.extension_id,
+      shortcut_info.url);
+  base::FilePath icon_file = web_app_path
+      .Append(web_app::internals::GetSanitizedFileName(shortcut_info.title))
+      .ReplaceExtension(FILE_PATH_LITERAL(".ico"));
+
+  content::BrowserThread::PostBlockingPoolTask(
+      FROM_HERE,
+      base::Bind(&CreateIconAndSetRelaunchDetails,
+                 web_app_path, icon_file, shortcut_info, hwnd));
+}
+
+HWND NativeAppWindowViewsWin::GetNativeAppWindowHWND() const {
+  return views::HWNDForWidget(window()->GetTopLevelWidget());
+}