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// Copyright 2018 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 UI_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_
#define UI_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_
#include "base/i18n/rtl.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/base/ui_base_export.h"
namespace ui {
// This class is used to append and handle the Speech and BiDi submenu for the
// context menu.
// TODO (spqchan): Replace the Speech and BiDi logic in RenderViewContextMenu
// with TextServicesContextMenu.
class UI_BASE_EXPORT TextServicesContextMenu
: public SimpleMenuModel::Delegate {
public:
class UI_BASE_EXPORT Delegate {
public:
// Returns the selected text.
virtual base::string16 GetSelectedText() const = 0;
// Returns true if |direction| should be enabled in the BiDi submenu.
virtual bool IsTextDirectionEnabled(
base::i18n::TextDirection direction) const = 0;
// Returns true if |direction| should be checked in the BiDi submenu.
virtual bool IsTextDirectionChecked(
base::i18n::TextDirection direction) const = 0;
// Updates the text direction to |direction|.
virtual void UpdateTextDirection(base::i18n::TextDirection direction) = 0;
};
explicit TextServicesContextMenu(Delegate* delegate);
// Methods for speaking.
static void SpeakText(const base::string16& text);
static void StopSpeaking();
static bool IsSpeaking();
// Appends text service items to |model|. A submenu is added for speech,
// which |this| serves as the delegate for.
void AppendToContextMenu(SimpleMenuModel* model);
// Appends items to the context menu applicable to editable content. A
// submenu is added for bidirection, which |this| serves as a delegate for.
void AppendEditableItems(SimpleMenuModel* model);
// SimpleMenuModel::Delegate:
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdEnabled(int command_id) const override;
void ExecuteCommand(int command_id, int event_flags) override;
private:
// Model for the "Speech" submenu.
ui::SimpleMenuModel speech_submenu_model_;
// Model for the BiDi input submenu.
ui::SimpleMenuModel bidi_submenu_model_;
Delegate* delegate_; // Weak.
DISALLOW_COPY_AND_ASSIGN(TextServicesContextMenu);
};
} // namespace ui
#endif // UI_BASE_COCOA_TEXT_SERVICES_CONTEXT_MENU_H_
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