1 // Copyright (c) 2013 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_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
6 #define CHROME_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
7 
8 #include <memory>
9 #include <string>
10 
11 #include "base/macros.h"
12 #include "chrome/common/extensions/command.h"
13 #include "extensions/common/extension.h"
14 #include "extensions/common/manifest.h"
15 #include "extensions/common/manifest_handler.h"
16 
17 namespace extensions {
18 
19 struct CommandsInfo : public Extension::ManifestData {
20   CommandsInfo();
21   ~CommandsInfo() override;
22 
23   // Optional list of commands (keyboard shortcuts).
24   // These commands are the commands which the extension wants to use, which are
25   // not necessarily the ones it can use, as it might be inactive (see also
26   // Get*Command[s] in CommandService).
27   std::unique_ptr<Command> browser_action_command;
28   std::unique_ptr<Command> page_action_command;
29   CommandMap named_commands;
30 
31   static const Command* GetBrowserActionCommand(const Extension* extension);
32   static const Command* GetPageActionCommand(const Extension* extension);
33   static const CommandMap* GetNamedCommands(const Extension* extension);
34 };
35 
36 // Parses the "commands" manifest key.
37 class CommandsHandler : public ManifestHandler {
38  public:
39   CommandsHandler();
40   ~CommandsHandler() override;
41 
42   bool Parse(Extension* extension, base::string16* error) override;
43   bool AlwaysParseForType(Manifest::Type type) const override;
44 
45  private:
46   // If the extension defines a browser action, but no command for it, then
47   // we synthesize a generic one, so the user can configure a shortcut for it.
48   // No keyboard shortcut will be assigned to it, until the user selects one.
49   void MaybeSetBrowserActionDefault(const Extension* extension,
50                                     CommandsInfo* info);
51 
52   base::span<const char* const> Keys() const override;
53 
54   DISALLOW_COPY_AND_ASSIGN(CommandsHandler);
55 };
56 
57 }  // namespace extensions
58 
59 #endif  // CHROME_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
60