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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/assistant/assistant_web_view_delegate_impl.h"
#include "ash/frame/non_client_frame_view_ash.h"
#include "chromeos/ui/frame/caption_buttons/caption_button_model.h"
#include "chromeos/ui/frame/default_frame_header.h"
#include "ui/views/view_utils.h"
#include "ui/views/widget/widget.h"
#include "ui/views/window/caption_button_types.h"
#include "ui/views/window/frame_caption_button.h"
#include "ui/views/window/non_client_view.h"
namespace ash {
namespace {
class AssistantWebContainerCaptionButtonModel
: public chromeos::CaptionButtonModel {
public:
AssistantWebContainerCaptionButtonModel() = default;
AssistantWebContainerCaptionButtonModel(
const AssistantWebContainerCaptionButtonModel&) = delete;
AssistantWebContainerCaptionButtonModel& operator=(
const AssistantWebContainerCaptionButtonModel&) = delete;
~AssistantWebContainerCaptionButtonModel() override = default;
// CaptionButtonModel:
bool IsVisible(views::CaptionButtonIcon type) const override {
switch (type) {
case views::CAPTION_BUTTON_ICON_CLOSE:
return true;
case views::CAPTION_BUTTON_ICON_BACK:
return back_button_visibility_;
case views::CAPTION_BUTTON_ICON_MINIMIZE:
case views::CAPTION_BUTTON_ICON_MAXIMIZE_RESTORE:
case views::CAPTION_BUTTON_ICON_LEFT_TOP_SNAPPED:
case views::CAPTION_BUTTON_ICON_RIGHT_BOTTOM_SNAPPED:
case views::CAPTION_BUTTON_ICON_MENU:
case views::CAPTION_BUTTON_ICON_ZOOM:
case views::CAPTION_BUTTON_ICON_LOCATION:
case views::CAPTION_BUTTON_ICON_CENTER:
case views::CAPTION_BUTTON_ICON_FLOAT:
case views::CAPTION_BUTTON_ICON_CUSTOM:
case views::CAPTION_BUTTON_ICON_COUNT:
return false;
}
}
bool IsEnabled(views::CaptionButtonIcon type) const override { return true; }
bool InZoomMode() const override { return false; }
void set_back_button_visibility(bool visibility) {
back_button_visibility_ = visibility;
}
private:
bool back_button_visibility_ = false;
};
} // namespace
AssistantWebViewDelegateImpl::AssistantWebViewDelegateImpl() = default;
AssistantWebViewDelegateImpl::~AssistantWebViewDelegateImpl() = default;
void AssistantWebViewDelegateImpl::UpdateBackButtonVisibility(
views::Widget* widget,
bool visibility) {
auto caption_button_model =
std::make_unique<AssistantWebContainerCaptionButtonModel>();
caption_button_model->set_back_button_visibility(visibility);
auto* non_client_view = widget->non_client_view();
DCHECK(
views::IsViewClass<NonClientFrameViewAsh>(non_client_view->frame_view()));
auto* frame_view_ash =
static_cast<NonClientFrameViewAsh*>(non_client_view->frame_view());
frame_view_ash->SetCaptionButtonModel(std::move(caption_button_model));
if (visibility) {
views::FrameCaptionButton* back_button =
frame_view_ash->GetHeaderView()->GetFrameHeader()->GetBackButton();
back_button->SetPaintAsActive(widget->IsActive());
}
}
} // namespace ash
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