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// Copyright 2020 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/base/models/dialog_model.h"
#include <memory>
#include "base/callback_helpers.h"
#include "base/ranges/algorithm.h"
#include "ui/base/interaction/element_identifier.h"
#include "ui/base/models/dialog_model_field.h"
#include "ui/base/ui_base_types.h"
namespace ui {
DialogModel::Builder::Builder(std::unique_ptr<DialogModelDelegate> delegate)
: model_(std::make_unique<DialogModel>(base::PassKey<Builder>(),
std::move(delegate))) {}
DialogModel::Builder::Builder() : Builder(nullptr) {}
DialogModel::Builder::~Builder() {
DCHECK(!model_) << "Model should've been built.";
}
std::unique_ptr<DialogModel> DialogModel::Builder::Build() {
DCHECK(model_);
return std::move(model_);
}
DialogModel::Builder& DialogModel::Builder::AddOkButton(
base::OnceClosure callback,
std::u16string label,
const DialogModelButton::Params& params) {
DCHECK(!model_->accept_action_callback_);
model_->accept_action_callback_ = std::move(callback);
// NOTREACHED() is used below to make sure this callback isn't used.
// DialogModelHost should be using OnDialogAccepted() instead.
model_->ok_button_.emplace(
model_->GetPassKey(), model_.get(),
base::BindRepeating([](const Event&) { NOTREACHED(); }), std::move(label),
params);
return *this;
}
DialogModel::Builder& DialogModel::Builder::AddCancelButton(
base::OnceClosure callback,
std::u16string label,
const DialogModelButton::Params& params) {
DCHECK(!model_->cancel_action_callback_);
model_->cancel_action_callback_ = std::move(callback);
// NOTREACHED() is used below to make sure this callback isn't used.
// DialogModelHost should be using OnDialogCanceled() instead.
model_->cancel_button_.emplace(
model_->GetPassKey(), model_.get(),
base::BindRepeating([](const Event&) { NOTREACHED(); }), std::move(label),
params);
return *this;
}
DialogModel::Builder& DialogModel::Builder::AddExtraButton(
base::RepeatingCallback<void(const Event&)> callback,
std::u16string label,
const DialogModelButton::Params& params) {
DCHECK(!model_->extra_button_);
DCHECK(!model_->extra_link_);
model_->extra_button_.emplace(model_->GetPassKey(), model_.get(),
std::move(callback), std::move(label), params);
return *this;
}
DialogModel::Builder& DialogModel::Builder::AddExtraLink(
DialogModelLabel::TextReplacement link) {
DCHECK(!model_->extra_button_);
DCHECK(!model_->extra_link_);
model_->extra_link_.emplace(std::move(link));
return *this;
}
DialogModel::Builder& DialogModel::Builder::OverrideDefaultButton(
DialogButton button) {
// This can only be called once.
DCHECK(!model_->override_default_button_);
// Confirm the button exists.
switch (button) {
case DIALOG_BUTTON_NONE:
NOTREACHED();
break;
case DIALOG_BUTTON_OK:
DCHECK(model_->ok_button_);
break;
case DIALOG_BUTTON_CANCEL:
DCHECK(model_->cancel_button_);
break;
}
model_->override_default_button_ = button;
return *this;
}
DialogModel::Builder& DialogModel::Builder::SetInitiallyFocusedField(
ElementIdentifier id) {
// This must be called with a non-null id
DCHECK(id);
// This can only be called once.
DCHECK(!model_->initially_focused_field_);
model_->initially_focused_field_ = id;
return *this;
}
DialogModel::DialogModel(base::PassKey<Builder>,
std::unique_ptr<DialogModelDelegate> delegate)
: delegate_(std::move(delegate)) {
if (delegate_)
delegate_->set_dialog_model(this);
}
DialogModel::~DialogModel() = default;
void DialogModel::AddParagraph(const DialogModelLabel& label,
std::u16string header,
ElementIdentifier id) {
AddField(std::make_unique<DialogModelParagraph>(GetPassKey(), this, label,
header, id));
}
void DialogModel::AddCheckbox(ElementIdentifier id,
const DialogModelLabel& label,
const DialogModelCheckbox::Params& params) {
AddField(std::make_unique<DialogModelCheckbox>(GetPassKey(), this, id, label,
params));
}
void DialogModel::AddCombobox(ElementIdentifier id,
std::u16string label,
std::unique_ptr<ui::ComboboxModel> combobox_model,
const DialogModelCombobox::Params& params) {
AddField(std::make_unique<DialogModelCombobox>(
GetPassKey(), this, id, std::move(label), std::move(combobox_model),
params));
}
void DialogModel::AddSeparator() {
AddField(std::make_unique<DialogModelSeparator>(GetPassKey(), this));
}
void DialogModel::AddMenuItem(ImageModel icon,
std::u16string label,
base::RepeatingCallback<void(int)> callback,
const DialogModelMenuItem::Params& params) {
AddField(std::make_unique<DialogModelMenuItem>(
GetPassKey(), this, std::move(icon), std::move(label),
std::move(callback), params));
}
void DialogModel::AddTextfield(ElementIdentifier id,
std::u16string label,
std::u16string text,
const DialogModelTextfield::Params& params) {
AddField(std::make_unique<DialogModelTextfield>(
GetPassKey(), this, id, std::move(label), std::move(text), params));
}
void DialogModel::AddCustomField(
std::unique_ptr<DialogModelCustomField::Field> field,
ElementIdentifier id) {
AddField(std::make_unique<DialogModelCustomField>(GetPassKey(), this, id,
std::move(field)));
}
bool DialogModel::HasField(ElementIdentifier id) const {
return base::ranges::any_of(fields_,
[id](auto& field) { return field->id_ == id; });
}
DialogModelField* DialogModel::GetFieldByUniqueId(ElementIdentifier id) {
// Assert that there is one and only one.
DCHECK_EQ(1, static_cast<int>(base::ranges::count_if(
fields_, [id](auto& field) { return field->id_ == id; })));
for (auto& field : fields_) {
if (field->id_ == id)
return field.get();
}
return nullptr;
}
DialogModelCheckbox* DialogModel::GetCheckboxByUniqueId(ElementIdentifier id) {
return GetFieldByUniqueId(id)->AsCheckbox();
}
DialogModelCombobox* DialogModel::GetComboboxByUniqueId(ElementIdentifier id) {
return GetFieldByUniqueId(id)->AsCombobox();
}
DialogModelTextfield* DialogModel::GetTextfieldByUniqueId(
ElementIdentifier id) {
return GetFieldByUniqueId(id)->AsTextfield();
}
void DialogModel::OnDialogAcceptAction(base::PassKey<DialogModelHost>) {
if (accept_action_callback_)
std::move(accept_action_callback_).Run();
}
void DialogModel::OnDialogCancelAction(base::PassKey<DialogModelHost>) {
if (cancel_action_callback_)
std::move(cancel_action_callback_).Run();
}
void DialogModel::OnDialogCloseAction(base::PassKey<DialogModelHost>) {
if (close_action_callback_)
std::move(close_action_callback_).Run();
}
void DialogModel::OnDialogDestroying(base::PassKey<DialogModelHost>) {
if (dialog_destroying_callback_)
std::move(dialog_destroying_callback_).Run();
}
void DialogModel::AddField(std::unique_ptr<DialogModelField> field) {
fields_.push_back(std::move(field));
if (host_)
host_->OnFieldAdded(fields_.back().get());
}
} // namespace ui
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