[Win] App launcher drag/drop.

chrome/browser/web_applications/web_app_win.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/web_applications/web_app.h"
 
 #include <shlobj.h>
 
 #include "base/command_line.h"
 #include "base/file_util.h"
@@ skipping 119 matching lines @@
 }
 
 // Creates application shortcuts in a given set of paths.
 // |shortcut_paths| is a list of directories in which shortcuts should be
 // created.
 // Returns true on success, false on failure.
 // Must be called on the FILE thread.
 bool CreateShortcutsInPaths(
     const base::FilePath& web_app_path,
     const ShellIntegration::ShortcutInfo& shortcut_info,
-    const std::vector<base::FilePath>& shortcut_paths) {
+    const std::vector<base::FilePath>& shortcut_paths,
+    std::vector<base::FilePath>* out_filenames) {
   // Ensure web_app_path exists.
   if (!file_util::PathExists(web_app_path) &&
       !file_util::CreateDirectory(web_app_path)) {
     return false;
   }
 
   // Generates file name to use with persisted ico and shortcut file.
   base::FilePath file_name =
       web_app::internals::GetSanitizedFileName(shortcut_info.title);
 
@@ skipping 57 matching lines @@
     shortcut_properties.set_app_id(app_id);
     shortcut_properties.set_dual_mode(false);
     if (!file_util::PathExists(shortcut_file.DirName()) &&
         !file_util::CreateDirectory(shortcut_file.DirName())) {
       NOTREACHED();
       return false;
     }
     success = base::win::CreateOrUpdateShortcutLink(
         shortcut_file, shortcut_properties,
         base::win::SHORTCUT_CREATE_ALWAYS) && success;
+    if (out_filenames)
+      out_filenames->push_back(shortcut_file);
   }
 
   return success;
 }
 
 // Gets the directories with shortcuts for an app, and deletes the shortcuts.
 // This will search the standard locations for shortcuts named |title| that open
 // in the profile with |profile_path|.
 // |was_pinned_to_taskbar| will be set to true if there was previously a
 // shortcut pinned to the taskbar for this app; false otherwise.
@@ skipping 51 matching lines @@
       base::win::TaskbarUnpinShortcutLink(j->value().c_str());
       file_util::Delete(*j, false);
     }
   }
 }
 
 }  // namespace
 
 namespace web_app {
 
+base::FilePath CreateShortcutInWebAppDir(
+    const base::FilePath& web_app_dir,
+    const ShellIntegration::ShortcutInfo& shortcut_info) {
+  std::vector<base::FilePath> paths;
+  paths.push_back(web_app_dir);
+  std::vector<base::FilePath> out_filenames;
+  CreateShortcutsInPaths(web_app_dir, shortcut_info, paths, &out_filenames);
+  DCHECK_EQ(out_filenames.size(), 1u);
+  return out_filenames[0];
+}
+
 namespace internals {
 
 // Saves |image| to |icon_file| if the file is outdated and refresh shell's
 // icon cache to ensure correct icon is displayed. Returns true if icon_file
 // is up to date or successfully updated.
 bool CheckAndSaveIcon(const base::FilePath& icon_file,
                       const gfx::ImageFamily& image) {
   if (ShouldUpdateIcon(icon_file, image)) {
     if (SaveIconWithCheckSum(icon_file, image)) {
       // Refresh shell's icon cache. This call is quite disruptive as user would
@@ skipping 25 matching lines @@
   // Create/update the shortcut in the web app path for the "Pin To Taskbar"
   // option in Win7. We use the web app path shortcut because we will overwrite
   // it rather than appending unique numbers if the shortcut already exists.
   // This prevents pinned apps from having unique numbers in their names.
   if (pin_to_taskbar)
     shortcut_paths.push_back(web_app_path);
 
   if (shortcut_paths.empty())
     return false;
 
-  if (!CreateShortcutsInPaths(web_app_path, shortcut_info, shortcut_paths))
+  if (!CreateShortcutsInPaths(web_app_path, shortcut_info, shortcut_paths,
+                              NULL))
     return false;
 
   if (pin_to_taskbar) {
     base::FilePath file_name =
         web_app::internals::GetSanitizedFileName(shortcut_info.title);
     // Use the web app path shortcut for pinning to avoid having unique numbers
     // in the application name.
     base::FilePath shortcut_to_pin = web_app_path.Append(file_name).
         AddExtension(installer::kLnkExt);
     if (!base::win::TaskbarPinShortcutLink(shortcut_to_pin.value().c_str()))
@@ skipping 15 matching lines @@
 
   if (old_app_title != shortcut_info.title) {
     // The app's title has changed. Delete all existing app shortcuts and
     // recreate them in any locations they already existed (but do not add them
     // to locations where they do not currently exist).
     bool was_pinned_to_taskbar;
     std::vector<base::FilePath> shortcut_paths;
     GetShortcutLocationsAndDeleteShortcuts(
         web_app_path, shortcut_info.profile_path, old_app_title,
         &was_pinned_to_taskbar, &shortcut_paths);
-    CreateShortcutsInPaths(web_app_path, shortcut_info, shortcut_paths);
+    CreateShortcutsInPaths(web_app_path, shortcut_info, shortcut_paths, NULL);
     // If the shortcut was pinned to the taskbar,
     // GetShortcutLocationsAndDeleteShortcuts will have deleted it. In that
     // case, re-pin it.
     if (was_pinned_to_taskbar) {
       base::FilePath file_name =
           web_app::internals::GetSanitizedFileName(shortcut_info.title);
       // Use the web app path shortcut for pinning to avoid having unique
       // numbers in the application name.
       base::FilePath shortcut_to_pin = web_app_path.Append(file_name).
           AddExtension(installer::kLnkExt);
@@ skipping 72 matching lines @@
         path = path.Append(locations[i].subdir);
       shortcut_paths.push_back(path);
     }
   }
   return shortcut_paths;
 }
 
 }  // namespace internals
 
 }  // namespace web_app