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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/menus/cocoa/text_services_context_menu.h"
#import <AppKit/AppKit.h>
#include <string_view>
#include <utility>
#include "base/mac/mac_util.h"
#include "base/strings/sys_string_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/strings/grit/ui_strings.h"
namespace {
// Returns the TextDirection associated associated with the given BiDi
// |command_id|.
base::i18n::TextDirection GetTextDirectionFromCommandId(int command_id) {
switch (command_id) {
case ui::TextServicesContextMenu::kWritingDirectionDefault:
return base::i18n::UNKNOWN_DIRECTION;
case ui::TextServicesContextMenu::kWritingDirectionLtr:
return base::i18n::LEFT_TO_RIGHT;
case ui::TextServicesContextMenu::kWritingDirectionRtl:
return base::i18n::RIGHT_TO_LEFT;
default:
NOTREACHED();
}
}
} // namespace
namespace ui {
TextServicesContextMenu::TextServicesContextMenu(Delegate* delegate)
: speech_submenu_model_(this),
bidi_submenu_model_(this),
delegate_(delegate) {
DCHECK(delegate);
speech_submenu_model_.AddItemWithStringId(kSpeechStartSpeaking,
IDS_SPEECH_START_SPEAKING_MAC);
speech_submenu_model_.AddItemWithStringId(kSpeechStopSpeaking,
IDS_SPEECH_STOP_SPEAKING_MAC);
bidi_submenu_model_.AddCheckItemWithStringId(
kWritingDirectionDefault, IDS_CONTENT_CONTEXT_WRITING_DIRECTION_DEFAULT);
bidi_submenu_model_.AddCheckItemWithStringId(
kWritingDirectionLtr, IDS_CONTENT_CONTEXT_WRITING_DIRECTION_LTR);
bidi_submenu_model_.AddCheckItemWithStringId(
kWritingDirectionRtl, IDS_CONTENT_CONTEXT_WRITING_DIRECTION_RTL);
}
// A note about the Speech submenu.
//
// All standard AppKit implementations of `-(IBAction)startSpeaking:(id)sender`
// and `-(IBAction)stopSpeaking:(id)sender` funnel into messages to
// `NSApplication`:
} // namespace ui
@interface NSApplication (Speech)
- (void)speakString:(NSString*)string;
- (IBAction)stopSpeaking:(id)sender;
- (BOOL)isSpeaking;
@end
namespace ui {
// When running on an OS release earlier than macOS 14, or running on macOS 14.4
// and later, do this as well, for two reasons:
//
// 1. Interoperability with the other parts of the system that use this same
// speech synthesizer.
//
// 2. Working around a bug in `AVSpeechSynthesizer` which does not provide the
// correct voice when a specific voice is chosen in the system accessibility
// settings (see https://crbug.com/40072850#comment10, FB13197951).
//
// However, for macOS 14.0 through 14.3, directly use the deprecated
// NSSpeechSynthesizer class, as there is a bug with the NSApplication provided
// methods that causes occasional hiccups in the audio (see
// https://crbug.com/40074199, FB13261400).
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
namespace FB13261400Workaround {
NSSpeechSynthesizer* SharedNSSpeechSynthesizer() {
static NSSpeechSynthesizer* speech_synthesizer =
[[NSSpeechSynthesizer alloc] initWithVoice:nil];
return speech_synthesizer;
}
bool IsSpeaking() {
return SharedNSSpeechSynthesizer().speaking;
}
void StopSpeaking() {
[SharedNSSpeechSynthesizer() stopSpeaking];
}
void SpeakText(std::u16string_view text) {
if (IsSpeaking()) {
StopSpeaking();
}
[SharedNSSpeechSynthesizer()
startSpeakingString:base::SysUTF16ToNSString(text)];
}
} // namespace FB13261400Workaround
#pragma clang diagnostic pop
void TextServicesContextMenu::SpeakText(std::u16string_view text) {
int version = base::mac::MacOSVersion();
if (version >= 14'00'00 && version < 14'04'00) {
FB13261400Workaround::SpeakText(text);
} else {
[NSApp speakString:base::SysUTF16ToNSString(text)];
}
}
void TextServicesContextMenu::StopSpeaking() {
int version = base::mac::MacOSVersion();
if (version >= 14'00'00 && version < 14'04'00) {
FB13261400Workaround::StopSpeaking();
} else {
[NSApp stopSpeaking:nil];
}
}
bool TextServicesContextMenu::IsSpeaking() {
int version = base::mac::MacOSVersion();
if (version >= 14'00'00 && version < 14'04'00) {
return FB13261400Workaround::IsSpeaking();
} else {
return [NSApp isSpeaking];
}
}
void TextServicesContextMenu::AppendToContextMenu(SimpleMenuModel* model) {
model->AddSeparator(NORMAL_SEPARATOR);
model->AddSubMenuWithStringId(kSpeechMenu, IDS_SPEECH_MAC,
&speech_submenu_model_);
}
void TextServicesContextMenu::AppendEditableItems(SimpleMenuModel* model) {
// MacOS provides a contextual menu to set writing direction for BiDi
// languages. This functionality is exposed as a keyboard shortcut on
// Windows and Linux.
model->AddSubMenuWithStringId(kWritingDirectionMenu,
IDS_CONTENT_CONTEXT_WRITING_DIRECTION_MENU,
&bidi_submenu_model_);
}
bool TextServicesContextMenu::SupportsCommand(int command_id) const {
switch (command_id) {
case kWritingDirectionMenu:
case kWritingDirectionDefault:
case kWritingDirectionLtr:
case kWritingDirectionRtl:
case kSpeechMenu:
case kSpeechStartSpeaking:
case kSpeechStopSpeaking:
return true;
}
return false;
}
bool TextServicesContextMenu::IsCommandIdChecked(int command_id) const {
switch (command_id) {
case kWritingDirectionDefault:
case kWritingDirectionLtr:
case kWritingDirectionRtl:
return delegate_->IsTextDirectionChecked(
GetTextDirectionFromCommandId(command_id));
case kSpeechStartSpeaking:
case kSpeechStopSpeaking:
return false;
}
NOTREACHED();
}
bool TextServicesContextMenu::IsCommandIdEnabled(int command_id) const {
switch (command_id) {
case kSpeechMenu:
case kWritingDirectionMenu:
return true;
case kWritingDirectionDefault:
case kWritingDirectionLtr:
case kWritingDirectionRtl:
return delegate_->IsTextDirectionEnabled(
GetTextDirectionFromCommandId(command_id));
case kSpeechStartSpeaking:
return true;
case kSpeechStopSpeaking:
return IsSpeaking();
}
NOTREACHED();
}
void TextServicesContextMenu::ExecuteCommand(int command_id, int event_flags) {
switch (command_id) {
case kWritingDirectionDefault:
case kWritingDirectionLtr:
case kWritingDirectionRtl:
delegate_->UpdateTextDirection(GetTextDirectionFromCommandId(command_id));
break;
case kSpeechStartSpeaking:
SpeakText(delegate_->GetSelectedText());
break;
case kSpeechStopSpeaking:
StopSpeaking();
break;
default:
NOTREACHED();
}
}
} // namespace ui
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