text: // Copyright (c) 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 CHROME_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
  #define CHROME_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
  
  #include <memory>
  #include <string>
  
  #include "base/macros.h"
  #include "chrome/common/extensions/command.h"
  #include "extensions/common/extension.h"
  #include "extensions/common/manifest.h"
  #include "extensions/common/manifest_handler.h"
  
  namespace extensions {
  
  struct CommandsInfo : public Extension::ManifestData {
    CommandsInfo();
    ~CommandsInfo() override;
  
    // Optional list of commands (keyboard shortcuts).
    // These commands are the commands which the extension wants to use, which are
    // not necessarily the ones it can use, as it might be inactive (see also
    // Get*Command[s] in CommandService).
    std::unique_ptr<Command> browser_action_command;
    std::unique_ptr<Command> page_action_command;
    std::unique_ptr<Command> action_command;
    CommandMap named_commands;
  
    static const Command* GetBrowserActionCommand(const Extension* extension);
    static const Command* GetPageActionCommand(const Extension* extension);
    static const Command* GetActionCommand(const Extension* extension);
    static const CommandMap* GetNamedCommands(const Extension* extension);
  };
  
  // Parses the "commands" manifest key.
  class CommandsHandler : public ManifestHandler {
   public:
    CommandsHandler();
    ~CommandsHandler() override;
  
    bool Parse(Extension* extension, base::string16* error) override;
    bool AlwaysParseForType(Manifest::Type type) const override;
  
   private:
    // If the extension defines a browser action, but no command for it, then
    // we synthesize a generic one, so the user can configure a shortcut for it.
    // No keyboard shortcut will be assigned to it, until the user selects one.
    void MaybeSetBrowserActionDefault(const Extension* extension,
                                      CommandsInfo* info);
  
    base::span<const char* const> Keys() const override;
  
    DISALLOW_COPY_AND_ASSIGN(CommandsHandler);
  };
  
  }  // namespace extensions
  
  #endif  // CHROME_COMMON_EXTENSIONS_API_COMMANDS_COMMANDS_HANDLER_H_
  