Add a private API method to install a webstore app from Files.app

chrome/browser/chromeos/extensions/file_manager/file_manager_installer.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/chromeos/extensions/file_manager/file_manager_installer.h"
+
+#include "base/strings/stringprintf.h"
+#include "chrome/browser/profiles/profile.h"
+#include "content/public/browser/web_contents.h"
+
+namespace file_manager {
+
+namespace {
+const char kWebContentsDestroyedError[] = "WebContents is destroyed.";
+}  // namespace
+
+class FileManagerInstaller::WebContentsObserver
+    : public content::WebContentsObserver {
+
+ public:
+  explicit WebContentsObserver(
+      content::WebContents* web_contents,
+      FileManagerInstaller* parent)
+      : content::WebContentsObserver(web_contents),
+        parent_(parent) {
+  }
+
+ protected:
+  // content::WebContentsObserver implementation.
+  virtual void WebContentsDestroyed(
+      content::WebContents* web_contents) OVERRIDE {
+    parent_->OnWebContentsDestroyed(web_contents);
+  }
+
+ private:
+  FileManagerInstaller* parent_;
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(WebContentsObserver);
+};
+
+FileManagerInstaller::FileManagerInstaller(
+    content::WebContents* web_contents,
+    const std::string& webstore_item_id,
+    Profile* profile,
+    const Callback& callback)
+    : extensions::WebstoreStandaloneInstaller(
+          webstore_item_id,
+          profile,
+          callback),
+      callback_(callback),
+      web_contents_(web_contents),
+      web_contents_observer_(new WebContentsObserver(web_contents, this)) {
+}
+
+FileManagerInstaller::~FileManagerInstaller() {}
+
+bool FileManagerInstaller::CheckRequestorAlive() const {
+  // The tab may have gone away - cancel installation in that case.
+  return web_contents_ != NULL;
+}
+
+const GURL& FileManagerInstaller::GetRequestorURL() const {
+  return GURL::EmptyGURL();
+}
+
+scoped_ptr<ExtensionInstallPrompt::Prompt>
+FileManagerInstaller::CreateInstallPrompt() const {
+  scoped_ptr<ExtensionInstallPrompt::Prompt> prompt(
+      new ExtensionInstallPrompt::Prompt(
+          ExtensionInstallPrompt::INLINE_INSTALL_PROMPT));
+
+  prompt->SetInlineInstallWebstoreData(localized_user_count(),
+                                       show_user_count(),
+                                       average_rating(),
+                                       rating_count());
+  return prompt.Pass();
+}
+
+bool FileManagerInstaller::ShouldShowPostInstallUI() const {
+  return false;
+}
+
+bool FileManagerInstaller::ShouldShowAppInstalledBubble() const {
+  return false;
+}
+
+content::WebContents* FileManagerInstaller::GetWebContents() const {
+  return web_contents_;
+}
+
+bool FileManagerInstaller::CheckInlineInstallPermitted(
+    const base::DictionaryValue& webstore_data,
+    std::string* error) const {
+  DCHECK(error != NULL);
+  DCHECK(error->empty());
+  return true;
+}
+
+bool FileManagerInstaller::CheckRequestorPermitted(
+    const base::DictionaryValue& webstore_data,
+    std::string* error) const {
+  DCHECK(error != NULL);
+  DCHECK(error->empty());
+  return true;
+}
+
+void FileManagerInstaller::OnWebContentsDestroyed(
+    content::WebContents* web_contents) {
+  callback_.Run(false, kWebContentsDestroyedError);
+  AbortInstall();
+}
+
+}  // namespace file_manager