1 // Copyright 2019 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_WEB_LAUNCH_WEB_LAUNCH_FILES_HELPER_H_ 6 #define CHROME_BROWSER_WEB_LAUNCH_WEB_LAUNCH_FILES_HELPER_H_ 7 8 #include <vector> 9 10 #include "base/files/file_path.h" 11 #include "base/macros.h" 12 #include "base/memory/scoped_refptr.h" 13 #include "base/memory/weak_ptr.h" 14 #include "content/public/browser/native_file_system_entry_factory.h" 15 #include "content/public/browser/web_contents_observer.h" 16 #include "content/public/browser/web_contents_user_data.h" 17 #include "third_party/blink/public/mojom/file_system_access/native_file_system_directory_handle.mojom-forward.h" 18 #include "third_party/blink/public/mojom/web_launch/web_launch.mojom.h" 19 #include "url/gurl.h" 20 21 namespace content { 22 23 class WebContents; 24 class NavigationHandle; 25 26 } // namespace content 27 28 namespace web_launch { 29 30 // A helper for sending launch paths to the renderer process. 31 // Launch files cannot be sent immediately because the data is stored on a 32 // document for |launch_url_|, which is not created until |launch_url_| is 33 // committed. 34 // 35 // Note: The lifetime of this class is tied to the WebContents it is attached 36 // to. However, in general it will be destroyed before the WebContents, when the 37 // helper sends the NativeFileSystemEntries to the renderer. 38 class WebLaunchFilesHelper 39 : public content::WebContentsObserver, 40 public content::WebContentsUserData<WebLaunchFilesHelper> { 41 public: 42 WEB_CONTENTS_USER_DATA_KEY_DECL(); 43 static void SetLaunchPaths(content::WebContents* web_contents, 44 const GURL& launch_url, 45 std::vector<base::FilePath> launch_paths); 46 47 // System Web Apps Only. |launch_dir| is prepended to |launch_entries_| and 48 // sent to the JavaScript side. 49 static void SetLaunchDirectoryAndLaunchPaths( 50 content::WebContents* web_contents, 51 const GURL& launch_url, 52 base::FilePath launch_dir, 53 std::vector<base::FilePath> launch_paths); 54 55 WebLaunchFilesHelper(content::WebContents* web_contents, 56 const GURL& launch_url, 57 std::vector<base::FilePath> launch_paths); 58 59 // System Web Apps Only. 60 WebLaunchFilesHelper(content::WebContents* web_contents, 61 const GURL& launch_url, 62 base::FilePath launch_dir, 63 std::vector<base::FilePath> launch_paths); 64 65 ~WebLaunchFilesHelper() override; 66 67 // content::WebContentsObserver: 68 void DidFinishNavigation(content::NavigationHandle* handle) override; 69 70 private: 71 // Sends the launch entries to the renderer if they have been created and the 72 // renderer is ready to receive them. 73 void MaybeSendLaunchEntries(); 74 75 // The entries causing the launch (may be empty). 76 std::vector<blink::mojom::NativeFileSystemEntryPtr> launch_entries_; 77 78 // The url the launch entries are for. 79 GURL launch_url_; 80 81 base::WeakPtrFactory<WebLaunchFilesHelper> weak_ptr_factory_{this}; 82 DISALLOW_COPY_AND_ASSIGN(WebLaunchFilesHelper); 83 }; 84 85 } // namespace web_launch 86 87 #endif // CHROME_BROWSER_WEB_LAUNCH_WEB_LAUNCH_FILES_HELPER_H_ 88