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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/views/controls/views_text_services_context_menu.h"
#import <Cocoa/Cocoa.h>
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/decorated_text.h"
#import "ui/gfx/decorated_text_mac.h"
#include "ui/menus/cocoa/text_services_context_menu.h"
#include "ui/menus/simple_menu_model.h"
#include "ui/resources/grit/ui_resources.h"
#include "ui/strings/grit/ui_strings.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/controls/views_text_services_context_menu_base.h"
#include "ui/views/widget/widget.h"
namespace views {
namespace {
// This class serves as a bridge to TextServicesContextMenu to add and handle
// text service items in the context menu. The items include Speech, Look Up
// and BiDi.
class ViewsTextServicesContextMenuMac
: public ViewsTextServicesContextMenuBase,
public ui::TextServicesContextMenu::Delegate {
public:
ViewsTextServicesContextMenuMac(ui::SimpleMenuModel* menu, Textfield* client);
ViewsTextServicesContextMenuMac(const ViewsTextServicesContextMenuMac&) =
delete;
ViewsTextServicesContextMenuMac& operator=(
const ViewsTextServicesContextMenuMac&) = delete;
~ViewsTextServicesContextMenuMac() override = default;
// ViewsTextServicesContextMenu:
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdEnabled(int command_id) const override;
void ExecuteCommand(int command_id, int event_flags) override;
bool SupportsCommand(int command_id) const override;
// TextServicesContextMenu::Delegate:
std::u16string_view GetSelectedText() const override;
bool IsTextDirectionEnabled(
base::i18n::TextDirection direction) const override;
bool IsTextDirectionChecked(
base::i18n::TextDirection direction) const override;
void UpdateTextDirection(base::i18n::TextDirection direction) override;
private:
// Handler for the "Look Up" menu item.
void LookUpInDictionary();
ui::TextServicesContextMenu text_services_menu_{this};
};
ViewsTextServicesContextMenuMac::ViewsTextServicesContextMenuMac(
ui::SimpleMenuModel* menu,
Textfield* client)
: ViewsTextServicesContextMenuBase(menu, client) {
// Insert the "Look up" item in the first position.
const std::u16string_view text = GetSelectedText();
if (!text.empty()) {
menu->InsertSeparatorAt(0, ui::NORMAL_SEPARATOR);
menu->InsertItemAt(0, IDS_CONTENT_CONTEXT_LOOK_UP,
l10n_util::GetStringFUTF16(IDS_CONTENT_CONTEXT_LOOK_UP,
std::u16string(text)));
text_services_menu_.AppendToContextMenu(menu);
}
text_services_menu_.AppendEditableItems(menu);
}
bool ViewsTextServicesContextMenuMac::IsCommandIdChecked(int command_id) const {
return text_services_menu_.SupportsCommand(command_id)
? text_services_menu_.IsCommandIdChecked(command_id)
: ViewsTextServicesContextMenuBase::IsCommandIdChecked(command_id);
}
bool ViewsTextServicesContextMenuMac::IsCommandIdEnabled(int command_id) const {
if (text_services_menu_.SupportsCommand(command_id)) {
return text_services_menu_.IsCommandIdEnabled(command_id);
}
return (command_id == IDS_CONTENT_CONTEXT_LOOK_UP) ||
ViewsTextServicesContextMenuBase::IsCommandIdEnabled(command_id);
}
void ViewsTextServicesContextMenuMac::ExecuteCommand(int command_id,
int event_flags) {
if (text_services_menu_.SupportsCommand(command_id)) {
text_services_menu_.ExecuteCommand(command_id, event_flags);
} else if (command_id == IDS_CONTENT_CONTEXT_LOOK_UP) {
LookUpInDictionary();
} else {
ViewsTextServicesContextMenuBase::ExecuteCommand(command_id, event_flags);
}
}
bool ViewsTextServicesContextMenuMac::SupportsCommand(int command_id) const {
return text_services_menu_.SupportsCommand(command_id) ||
command_id == IDS_CONTENT_CONTEXT_LOOK_UP ||
ViewsTextServicesContextMenuBase::SupportsCommand(command_id);
}
std::u16string_view ViewsTextServicesContextMenuMac::GetSelectedText() const {
return (client()->GetTextInputType() == ui::TEXT_INPUT_TYPE_PASSWORD)
? std::u16string_view()
: client()->GetSelectedText();
}
bool ViewsTextServicesContextMenuMac::IsTextDirectionEnabled(
base::i18n::TextDirection direction) const {
if (client()->force_text_directionality()) {
return false;
}
return direction != base::i18n::UNKNOWN_DIRECTION;
}
bool ViewsTextServicesContextMenuMac::IsTextDirectionChecked(
base::i18n::TextDirection direction) const {
if (client()->force_text_directionality()) {
return direction == base::i18n::UNKNOWN_DIRECTION;
}
return IsTextDirectionEnabled(direction) &&
client()->GetTextDirection() == direction;
}
void ViewsTextServicesContextMenuMac::UpdateTextDirection(
base::i18n::TextDirection direction) {
DCHECK(IsTextDirectionEnabled(direction));
client()->ChangeTextDirectionAndLayoutAlignment(direction);
}
void ViewsTextServicesContextMenuMac::LookUpInDictionary() {
gfx::DecoratedText text;
gfx::Rect rect;
if (client()->GetWordLookupDataFromSelection(&text, &rect)) {
Widget* widget = client()->GetWidget();
// We only care about the baseline of the glyph, not the space it occupies.
gfx::Point baseline_point = rect.origin();
views::View::ConvertPointToTarget(client(), widget->GetRootView(),
&baseline_point);
NSView* view = widget->GetNativeView().GetNativeNSView();
NSPoint lookup_point = NSMakePoint(
baseline_point.x(), NSHeight([view frame]) - baseline_point.y());
[view showDefinitionForAttributedString:
gfx::GetAttributedStringFromDecoratedText(text)
atPoint:lookup_point];
}
}
} // namespace
// static
std::unique_ptr<ViewsTextServicesContextMenu>
ViewsTextServicesContextMenu::Create(ui::SimpleMenuModel* menu,
Textfield* client) {
return std::make_unique<ViewsTextServicesContextMenuMac>(menu, client);
}
} // namespace views
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