Add option to install an ephemeral app to ChromeOS shelf context menu

chrome/browser/ui/ash/launcher/app_window_launcher_item_controller.cc

 // Copyright 2014 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/ash/launcher/app_window_launcher_item_controller.h"
 
 #include "apps/app_window.h"
 #include "apps/ui/native_app_window.h"
 #include "ash/shelf/shelf_model.h"
 #include "ash/wm/window_state.h"
 #include "ash/wm/window_util.h"
+#include "chrome/browser/extensions/webstore_install_with_prompt.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/browser/ui/ash/launcher/launcher_application_menu_item_model.h"
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 #include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
 #include "content/public/browser/web_contents.h"
 #include "skia/ext/image_operations.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
@@ skipping 21 matching lines @@
 
   SkBitmap bmp =
       skia::ImageOperations::Resize(*app_window->app_icon().ToSkBitmap(),
                                     skia::ImageOperations::RESIZE_BEST,
                                     kAppListIconSize,
                                     kAppListIconSize);
   return make_scoped_ptr(
       new gfx::Image(gfx::ImageSkia::CreateFrom1xBitmap(bmp)));
 }
 
+// Returns true if the app window is visible on screen, i.e. not hidden or
+// minimized.
+bool IsAppWindowVisible(AppWindow* app_window) {
+  return app_window &&
+         !app_window->is_hidden() &&
+         !app_window->GetBaseWindow()->IsMinimized();
+}
+
 // Functor for std::find_if used in AppLauncherItemController.
 class AppWindowHasWindow {
  public:
   explicit AppWindowHasWindow(aura::Window* window) : window_(window) {}
 
   bool operator()(AppWindow* app_window) const {
     return app_window->GetNativeWindow() == window_;
   }
 
  private:
@@ skipping 81 matching lines @@
 }
 
 void AppWindowLauncherItemController::ActivateIndexedApp(size_t index) {
   if (index >= app_windows_.size())
     return;
   AppWindowList::iterator it = app_windows_.begin();
   std::advance(it, index);
   ShowAndActivateOrMinimize(*it);
 }
 
+void AppWindowLauncherItemController::InstallApp() {
+  // Find a visible window in order to position the install dialog. If there is
+  // no visible window, the dialog will be centered on the screen.
+  AppWindow* parent_window = NULL;
+  if (IsAppWindowVisible(last_active_app_window_)) {
+    parent_window = last_active_app_window_;
+  } else {
+    for (AppWindowList::iterator iter = app_windows_.begin();
+         iter != app_windows_.end(); ++iter) {
+      if (IsAppWindowVisible(*iter)) {
+        parent_window = *iter;
+        break;
+      }
+    }
+  }
+
+  scoped_refptr<extensions::WebstoreInstallWithPrompt> installer;
+  if (parent_window) {
+    installer = new extensions::WebstoreInstallWithPrompt(
+        app_id(),
+        launcher_controller()->profile(),
+        parent_window->GetNativeWindow(),
+        extensions::WebstoreInstallWithPrompt::Callback());
+  } else {
+    installer = new extensions::WebstoreInstallWithPrompt(
+        app_id(),
+        launcher_controller()->profile(),
+        extensions::WebstoreInstallWithPrompt::Callback());
+  }
+  installer->BeginInstall();
+}
+
 ChromeLauncherAppMenuItems AppWindowLauncherItemController::GetApplicationList(
     int event_flags) {
   ChromeLauncherAppMenuItems items;
   items.push_back(new ChromeLauncherAppMenuItem(GetTitle(), NULL, false));
   int index = 0;
   for (AppWindowList::iterator iter = app_windows_.begin();
        iter != app_windows_.end();
        ++iter) {
     AppWindow* app_window = *iter;
     scoped_ptr<gfx::Image> image(GetAppListIcon(app_window));
@@ skipping 115 matching lines @@
   }
   if (window_to_show->GetBaseWindow()->IsActive()) {
     // Coming here, only a single window is active. For keyboard activations
     // the window gets animated.
     AnimateWindow(window_to_show->GetNativeWindow(),
                   wm::WINDOW_ANIMATION_TYPE_BOUNCE);
   } else {
     ShowAndActivateOrMinimize(window_to_show);
   }
 }