Allow drag-and-drop of zipped extensions on chrome://extensions

chrome/browser/extensions/unpacked_installer.cc

 // Copyright (c) 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/extensions/unpacked_installer.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/plugins/plugins_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "extensions/browser/extension_prefs.h"
@@ skipping 136 matching lines @@
     ReportExtensionLoadError(error);
     return false;
   }
 
   ShowInstallPrompt();
 
   *extension_id = extension()->id();
   return true;
 }
 
+void UnpackedInstaller::LoadFromZipFile(const base::FilePath& zip_path) {
+  scoped_refptr<SandboxedUnpacker> unpacker(new SandboxedUnpacker(
+      zip_path,
+      Manifest::UNPACKED,
+      0,
+      base::FilePath(),
+      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE).get(),
+      this));
+
+  BrowserThread::PostTask(
+      BrowserThread::FILE,
+      FROM_HERE,
+      base::Bind(&SandboxedUnpacker::Start, unpacker.get()));
+}
+
+void UnpackedInstaller::OnUnpackSuccess(
+    const base::FilePath& temp_dir,
+    const base::FilePath& extension_root,
+    const base::DictionaryValue* original_manifest,
+    const Extension* extension,
+    const SkBitmap& install_icon) {
+  Load(extension_root);
+}
+
+void UnpackedInstaller::OnUnpackFailure(const base::string16& error) {
+  ReportExtensionLoadError(base::UTF16ToUTF8(error));
+}
+
 void UnpackedInstaller::ShowInstallPrompt() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (!service_weak_.get())
     return;
 
   const ExtensionSet& disabled_extensions =
       ExtensionRegistry::Get(service_weak_->profile())->disabled_extensions();
   if (service_weak_->show_extensions_prompts() && prompt_for_plugins_ &&
       PluginInfo::HasPlugins(extension()) &&
       !disabled_extensions.Contains(extension()->id())) {
@@ skipping 132 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   PermissionsUpdater perms_updater(service_weak_->profile());
   perms_updater.GrantActivePermissions(extension());
 
   service_weak_->OnExtensionInstalled(
       extension(), syncer::StringOrdinal(), kInstallFlagInstallImmediately);
 }
 
 }  // namespace extensions