1 files changed, 40 insertions, 2 deletions
diff --git a/chrome/browser/plugin_installer.cc b/chrome/browser/plugin_installer.cc
index 00d6c49..bbdfa6e 100644
--- a/chrome/browser/plugin_installer.cc
+++ b/chrome/browser/plugin_installer.cc
@@ -1,9 +1,16 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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/plugin_installer.h"
 
+#include "base/bind.h"
+#include "base/bind_helpers.h"
+#include "base/process.h"
+#include "chrome/browser/platform_util.h"
+#include "chrome/browser/plugin_download_helper.h"
+#include "chrome/browser/plugin_installer_observer.h"
+
 PluginInstaller::~PluginInstaller() {
 }
 
@@ -12,9 +19,40 @@ PluginInstaller::PluginInstaller(const std::string& identifier,
                                  const GURL& help_url,
                                  const string16& name,
                                  bool url_for_display)
-    : identifier_(identifier),
+    : state_(kStateIdle),
+      identifier_(identifier),
       plugin_url_(plugin_url),
       help_url_(help_url),
       name_(name),
       url_for_display_(url_for_display) {
 }
+
+void PluginInstaller::AddObserver(PluginInstallerObserver* observer) {
+  observers_.AddObserver(observer);
+}
+
+void PluginInstaller::RemoveObserver(PluginInstallerObserver* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void PluginInstaller::StartInstalling(
+    net::URLRequestContextGetter* request_context) {
+  DCHECK(state_ == kStateIdle);
+  DCHECK(!url_for_display_);
+  state_ = kStateDownloading;
+  FOR_EACH_OBSERVER(PluginInstallerObserver, observers_, DidStartDownload());
+  // |downloader| will delete itself after running the callback.
+  PluginDownloadUrlHelper* downloader = new PluginDownloadUrlHelper();
+  downloader->InitiateDownload(
+      plugin_url_,
+      request_context,
+      base::Bind(&PluginInstaller::DidFinishDownload, base::Unretained(this)));
+}
+
+void PluginInstaller::DidFinishDownload(const FilePath& downloaded_file) {
+  DCHECK(state_ == kStateDownloading);
+  state_ = kStateIdle;
+  DVLOG(1) << "Plug-in installer is at \"" << downloaded_file.value() << "\"";
+  FOR_EACH_OBSERVER(PluginInstallerObserver, observers_, DidFinishDownload());
+  platform_util::OpenItem(downloaded_file);
+}