Add DevTools save dialog support (issue #1614)

libcef/browser/devtools/devtools_file_manager.h

@@ -0,0 +1,81 @@
+// Copyright 2019 The Chromium Embedded Framework Authors. Portions 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.
+
+#ifndef CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_FILE_MANAGER_H_
+#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_FILE_MANAGER_H_
+
+#include "base/callback_forward.h"
+#include "base/macros.h"
+#include "base/memory/weak_ptr.h"
+
+#include <string>
+
+namespace base {
+class FilePath;
+class SequencedTaskRunner;
+class Value;
+}  // namespace base
+
+class CefBrowserHostImpl;
+class PrefService;
+
+// File management helper for DevTools.
+// Based on chrome/browser/devtools/devtools_ui_bindings.cc and
+// chrome/browser/devtools/devtools_file_helper.cc.
+class CefDevToolsFileManager {
+ public:
+  CefDevToolsFileManager(CefBrowserHostImpl* browser_impl, PrefService* prefs);
+
+  void SaveToFile(const std::string& url,
+                  const std::string& content,
+                  bool save_as);
+  void AppendToFile(const std::string& url, const std::string& content);
+
+ private:
+  // SaveToFile implementation:
+  typedef base::Callback<void(const std::string&)> SaveCallback;
+  typedef base::Callback<void()> CancelCallback;
+  void Save(const std::string& url,
+            const std::string& content,
+            bool save_as,
+            const SaveCallback& saveCallback,
+            const CancelCallback& cancelCallback);
+  void SaveAsDialogDismissed(const std::string& url,
+                             const std::string& content,
+                             const SaveCallback& saveCallback,
+                             const CancelCallback& cancelCallback,
+                             int selected_accept_filter,
+                             const std::vector<base::FilePath>& file_paths);
+  void SaveAsFileSelected(const std::string& url,
+                          const std::string& content,
+                          const SaveCallback& callback,
+                          const base::FilePath& path);
+  void FileSavedAs(const std::string& url, const std::string& file_system_path);
+  void CanceledFileSaveAs(const std::string& url);
+
+  // AppendToFile implementation:
+  typedef base::Callback<void(void)> AppendCallback;
+  void Append(const std::string& url,
+              const std::string& content,
+              const AppendCallback& callback);
+  void AppendedTo(const std::string& url);
+
+  void CallClientFunction(const std::string& function_name,
+                          const base::Value* arg1,
+                          const base::Value* arg2,
+                          const base::Value* arg3);
+
+  // Guaranteed to outlive this object.
+  CefBrowserHostImpl* browser_impl_;
+  PrefService* prefs_;
+
+  typedef std::map<std::string, base::FilePath> PathsMap;
+  PathsMap saved_files_;
+  scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
+  base::WeakPtrFactory<CefDevToolsFileManager> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(CefDevToolsFileManager);
+};
+
+#endif  // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_FILE_MANAGER_H_