| // Copyright 2017 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. |
| |
| #ifndef CHROME_BROWSER_PLUGINS_PDF_PLUGIN_PLACEHOLDER_OBSERVER_H_ |
| #define CHROME_BROWSER_PLUGINS_PDF_PLUGIN_PLACEHOLDER_OBSERVER_H_ |
| |
| #include "base/macros.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/browser/web_contents_user_data.h" |
| |
| // Separate class from PluginObserver, since PluginObserver is created only when |
| // ENABLE_PLUGINS is true. PDFPluginPlaceholderObserver should also run on |
| // Android, where ENABLE_PLUGINS is false. |
| class PDFPluginPlaceholderObserver |
| : public content::WebContentsObserver, |
| public content::WebContentsUserData<PDFPluginPlaceholderObserver> { |
| public: |
| ~PDFPluginPlaceholderObserver() override; |
| |
| // content::WebContentsObserver: |
| bool OnMessageReceived(const IPC::Message& message, |
| content::RenderFrameHost* render_frame_host) override; |
| |
| private: |
| friend class content::WebContentsUserData<PDFPluginPlaceholderObserver>; |
| |
| explicit PDFPluginPlaceholderObserver(content::WebContents* web_contents); |
| |
| // Message handlers: |
| void OnOpenPDF(content::RenderFrameHost* render_frame_host, const GURL& url); |
| |
| WEB_CONTENTS_USER_DATA_KEY_DECL(); |
| |
| DISALLOW_COPY_AND_ASSIGN(PDFPluginPlaceholderObserver); |
| }; |
| |
| #endif // CHROME_BROWSER_PLUGINS_PDF_PLUGIN_PLACEHOLDER_OBSERVER_H_ |