Plugin Placeholders: Refactor for platforms that don't support plugins

chrome/renderer/plugins/non_loadable_plugin_placeholder.cc

+// Copyright 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/renderer/plugins/non_loadable_plugin_placeholder.h"
+
+#include "base/files/file_path.h"
+#include "base/values.h"
+#include "chrome/common/render_messages.h"
+#include "chrome/grit/generated_resources.h"
+#include "chrome/grit/renderer_resources.h"
+#include "components/plugins/renderer/plugin_placeholder.h"
+#include "content/app/strings/grit/content_strings.h"
+#include "content/public/renderer/render_thread.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/base/webui/jstemplate_builder.h"
+
+// static
+plugins::PluginPlaceholder*
+NonLoadablePluginPlaceholder::CreateNotSupportedPlugin(
+    content::RenderFrame* render_frame,
+    blink::WebLocalFrame* frame,
+    const blink::WebPluginParams& params) {
+  const base::StringPiece template_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_BLOCKED_PLUGIN_HTML));
+
+  base::DictionaryValue values;
+  values.SetString("message",
+                   l10n_util::GetStringUTF8(IDS_PLUGIN_NOT_SUPPORTED));
+
+  std::string html_data = webui::GetI18nTemplateHtml(template_html, &values);
+
+  // PluginPlaceholder will destroy itself when its WebViewPlugin is going away.
+  return new plugins::PluginPlaceholder(render_frame, frame, params, html_data);
+}
+
+// static
+plugins::PluginPlaceholder* NonLoadablePluginPlaceholder::CreateErrorPlugin(
+    content::RenderFrame* render_frame,
+    const base::FilePath& file_path) {
+  base::DictionaryValue values;
+  values.SetString("message",
+                   l10n_util::GetStringUTF8(IDS_PLUGIN_INITIALIZATION_ERROR));
+
+  const base::StringPiece template_html(
+      ResourceBundle::GetSharedInstance().GetRawDataResource(
+          IDR_BLOCKED_PLUGIN_HTML));
+  std::string html_data = webui::GetI18nTemplateHtml(template_html, &values);
+
+  blink::WebPluginParams params;
+  // PluginPlaceholder will destroy itself when its WebViewPlugin is going away.
+  plugins::PluginPlaceholder* plugin =
+      new plugins::PluginPlaceholder(render_frame, nullptr, params, html_data);
+
+  content::RenderThread::Get()->Send(new ChromeViewHostMsg_CouldNotLoadPlugin(
+      plugin->routing_id(), file_path));
+  return plugin;
+}