Implement sidebar support for extension action popups

chrome/browser/extensions/sidebar_container.cc

+// Copyright (c) 2015 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/sidebar_container.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
+#include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_view_host_factory.h"
+#include "chrome/browser/extensions/sidebar_manager.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/app_modal/javascript_dialog_manager.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_source.h"
+#include "content/public/browser/web_contents.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_resource.h"
+#include "url/gurl.h"
+
+namespace extensions {
+SidebarContainer::SidebarContainer(Browser* browser,
+                                   content::WebContents* tab,
+                                   const GURL& url)
+    : host_(extensions::ExtensionViewHostFactory::CreateSidebarHost(url,
+                                                                    browser)),
+      host_observer_(this),
+      tab_(tab),
+      navigate_to_default_page_on_expand_(true) {

[Devlin, 2015/06/10 17:25:04]

The way this is written, it doesn't seem like this is ever really used.

+  extensions::ChromeExtensionWebContentsObserver::CreateForWebContents(
+      host_contents());
+  host_observer_.Add(host_.get());
+
+  // Listen for the containing view calling window.close();
+  registrar_.Add(
+      this, extensions::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE,
+      content::Source<content::BrowserContext>(host_->browser_context()));
+}
+
+SidebarContainer::~SidebarContainer() {
+}
+
+void SidebarContainer::Show() {
+  host_->CreateRenderViewSoon();
+}
+
+void SidebarContainer::Expand() {
+  if (navigate_to_default_page_on_expand_)
+    navigate_to_default_page_on_expand_ = false;
+
+  host_contents()->SetInitialFocus();
+}
+
+void SidebarContainer::Navigate() {
+  navigate_to_default_page_on_expand_ = false;
+
+  host_->LoadInitialURL();
+}
+
+void SidebarContainer::Observe(int type,
+                               const content::NotificationSource& source,
+                               const content::NotificationDetails& details) {
+  if (type != extensions::NOTIFICATION_EXTENSION_HOST_VIEW_SHOULD_CLOSE) {
+    NOTREACHED() << L"Received unexpected notification";
+    return;
+  }
+
+  // If we aren't the host of the popup, then disregard the notification.
+  if (content::Details<extensions::ExtensionHost>(host_.get()) == details)
+    extensions::SidebarManager::GetFromContext(host_->browser_context())
+        ->HideSidebar(tab_);
+}
+
+}  // namespace extensions