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// Copyright 2013 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/bubble/info_bubble.h"
#include <memory>
#include <utility>
#include "ui/base/metadata/metadata_impl_macros.h"
#include "ui/base/mojom/dialog_button.mojom.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/views/bubble/bubble_border.h"
#include "ui/views/bubble/bubble_frame_view.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/layout/layout_provider.h"
#include "ui/views/widget/widget.h"
namespace views {
namespace {
// The visible width of bubble borders (differs from the actual width) in px.
constexpr int kBubbleBorderVisibleWidth = 1;
} // namespace
class InfoBubbleFrame : public BubbleFrameView {
public:
explicit InfoBubbleFrame(const gfx::Insets& content_margins)
: BubbleFrameView(gfx::Insets(), content_margins) {}
InfoBubbleFrame(const InfoBubbleFrame&) = delete;
InfoBubbleFrame& operator=(const InfoBubbleFrame&) = delete;
~InfoBubbleFrame() override = default;
gfx::Rect GetAvailableScreenBounds(const gfx::Rect& rect) const override {
return available_bounds_;
}
void set_available_bounds(const gfx::Rect& available_bounds) {
available_bounds_ = available_bounds;
}
private:
// Bounds that this frame should try to keep bubbles within (screen coords).
gfx::Rect available_bounds_;
};
InfoBubble::InfoBubble(View* anchor,
BubbleBorder::Arrow arrow,
const std::u16string& message)
: BubbleDialogDelegateView(anchor,
arrow,
views::BubbleBorder::DIALOG_SHADOW,
true) {
DialogDelegate::SetButtons(static_cast<int>(ui::mojom::DialogButton::kNone));
set_margins(LayoutProvider::Get()->GetInsetsMetric(
InsetsMetric::INSETS_TOOLTIP_BUBBLE));
SetCanActivate(false);
SetAccessibleWindowRole(ax::mojom::Role::kAlertDialog);
// TODO(pbos): This hacks around a bug where focus order in the parent dialog
// breaks because it tries to focus InfoBubble without anything focusable in
// it. FocusSearch should handle this case and this should be removable.
set_focus_traversable_from_anchor_view(false);
SetLayoutManager(std::make_unique<FillLayout>());
label_ = AddChildView(std::make_unique<Label>(message));
label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
label_->SetMultiLine(true);
}
InfoBubble::~InfoBubble() = default;
void InfoBubble::Show() {
BubbleDialogDelegateView::CreateBubble(this);
UpdatePosition();
}
void InfoBubble::Hide() {
Widget* widget = GetWidget();
if (widget && !widget->IsClosed()) {
widget->Close();
}
}
std::unique_ptr<NonClientFrameView> InfoBubble::CreateNonClientFrameView(
Widget* widget) {
DCHECK(!frame_);
auto frame = std::make_unique<InfoBubbleFrame>(margins());
frame->set_available_bounds(anchor_widget()->GetWindowBoundsInScreen());
auto border = std::make_unique<BubbleBorder>(arrow(), GetShadow());
border->SetColor(background_color());
frame->SetBubbleBorder(std::move(border));
frame_ = frame.get();
return frame;
}
gfx::Size InfoBubble::CalculatePreferredSize(
const SizeBounds& available_size) const {
if (preferred_width_ == 0) {
return BubbleDialogDelegateView::CalculatePreferredSize(available_size);
}
int pref_width = preferred_width_;
pref_width -= frame_->GetInsets().width();
pref_width -= 2 * kBubbleBorderVisibleWidth;
return gfx::Size(pref_width, GetLayoutManager()->GetPreferredHeightForWidth(
this, pref_width));
}
void InfoBubble::OnWidgetBoundsChanged(Widget* widget,
const gfx::Rect& new_bounds) {
BubbleDialogDelegateView::OnWidgetBoundsChanged(widget, new_bounds);
if (anchor_widget() == widget) {
frame_->set_available_bounds(widget->GetWindowBoundsInScreen());
}
}
void InfoBubble::UpdatePosition() {
Widget* const widget = GetWidget();
if (!widget) {
return;
}
if (anchor_widget()->IsVisible() &&
!GetAnchorView()->GetVisibleBounds().IsEmpty()) {
widget->SetVisibilityChangedAnimationsEnabled(true);
widget->ShowInactive();
} else {
widget->SetVisibilityChangedAnimationsEnabled(false);
widget->Hide();
}
}
BEGIN_METADATA(InfoBubble)
END_METADATA
} // namespace views
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