refactor: rename the atom directory to shell

shell/browser/web_contents_preferences.h

@@ -0,0 +1,98 @@
+// Copyright (c) 2015 GitHub, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_BROWSER_WEB_CONTENTS_PREFERENCES_H_
+#define ATOM_BROWSER_WEB_CONTENTS_PREFERENCES_H_
+
+#include <string>
+#include <vector>
+
+#include "base/values.h"
+#include "content/public/browser/web_contents_user_data.h"
+
+namespace base {
+class CommandLine;
+}
+
+namespace content {
+struct WebPreferences;
+}
+
+namespace mate {
+class Dictionary;
+}
+
+namespace atom {
+
+// Stores and applies the preferences of WebContents.
+class WebContentsPreferences
+    : public content::WebContentsUserData<WebContentsPreferences> {
+ public:
+  // Get self from WebContents.
+  static WebContentsPreferences* From(content::WebContents* web_contents);
+
+  WebContentsPreferences(content::WebContents* web_contents,
+                         const mate::Dictionary& web_preferences);
+  ~WebContentsPreferences() override;
+
+  // Set WebPreferences defaults onto the JS object.
+  void SetDefaults();
+
+  // A simple way to know whether a Boolean property is enabled.
+  bool IsEnabled(const base::StringPiece& name,
+                 bool default_value = false) const;
+
+  // $.extend(|web_preferences|, |new_web_preferences|).
+  void Merge(const base::DictionaryValue& new_web_preferences);
+
+  // Append command paramters according to preferences.
+  void AppendCommandLineSwitches(base::CommandLine* command_line);
+
+  // Modify the WebPreferences according to preferences.
+  void OverrideWebkitPrefs(content::WebPreferences* prefs);
+
+  // Clear the current WebPreferences.
+  void Clear();
+
+  // Return true if the particular preference value exists.
+  bool GetPreference(const base::StringPiece& name, std::string* value) const;
+
+  // Whether to enable the remote module
+  bool IsRemoteModuleEnabled() const;
+
+  // Returns the preload script path.
+  bool GetPreloadPath(base::FilePath::StringType* path) const;
+
+  // Returns the web preferences.
+  base::Value* preference() { return &preference_; }
+  base::Value* last_preference() { return &last_preference_; }
+
+ private:
+  friend class content::WebContentsUserData<WebContentsPreferences>;
+  friend class AtomBrowserClient;
+
+  // Get WebContents according to process ID.
+  static content::WebContents* GetWebContentsFromProcessID(int process_id);
+
+  // Set preference value to given bool if user did not provide value
+  bool SetDefaultBoolIfUndefined(const base::StringPiece& key, bool val);
+
+  // Set preference value to given bool
+  void SetBool(const base::StringPiece& key, bool value);
+
+  static std::vector<WebContentsPreferences*> instances_;
+
+  content::WebContents* web_contents_;
+
+  base::Value preference_ = base::Value(base::Value::Type::DICTIONARY);
+  base::Value last_preference_ = base::Value(base::Value::Type::DICTIONARY);
+
+  WEB_CONTENTS_USER_DATA_KEY_DECL();
+
+  DISALLOW_COPY_AND_ASSIGN(WebContentsPreferences);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_WEB_CONTENTS_PREFERENCES_H_