| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // 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 "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() 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InfoBubbleFrame); |
| }; |
| |
| InfoBubble::InfoBubble(View* anchor, const base::string16& message) |
| : anchor_(anchor), frame_(nullptr), preferred_width_(0) { |
| DCHECK(anchor_); |
| SetAnchorView(anchor_); |
| |
| set_margins(LayoutProvider::Get()->GetInsetsMetric( |
| InsetsMetric::INSETS_TOOLTIP_BUBBLE)); |
| SetCanActivate(false); |
| |
| SetLayoutManager(std::make_unique<FillLayout>()); |
| Label* label = new Label(message); |
| label->SetHorizontalAlignment(gfx::ALIGN_LEFT); |
| label->SetMultiLine(true); |
| AddChildView(label); |
| } |
| |
| InfoBubble::~InfoBubble() = default; |
| |
| void InfoBubble::Show() { |
| widget_ = BubbleDialogDelegateView::CreateBubble(this); |
| |
| UpdatePosition(); |
| } |
| |
| void InfoBubble::Hide() { |
| Widget* widget = GetWidget(); |
| if (widget && !widget->IsClosed()) |
| widget->Close(); |
| } |
| |
| NonClientFrameView* InfoBubble::CreateNonClientFrameView(Widget* widget) { |
| DCHECK(!frame_); |
| frame_ = new InfoBubbleFrame(margins()); |
| frame_->set_available_bounds(anchor_widget()->GetWindowBoundsInScreen()); |
| frame_->SetBubbleBorder( |
| std::make_unique<BubbleBorder>(arrow(), GetShadow(), color())); |
| return frame_; |
| } |
| |
| gfx::Size InfoBubble::CalculatePreferredSize() const { |
| if (preferred_width_ == 0) |
| return BubbleDialogDelegateView::CalculatePreferredSize(); |
| |
| int pref_width = preferred_width_; |
| pref_width -= frame_->GetInsets().width(); |
| pref_width -= 2 * kBubbleBorderVisibleWidth; |
| return gfx::Size(pref_width, GetHeightForWidth(pref_width)); |
| } |
| |
| void InfoBubble::OnWidgetDestroyed(Widget* widget) { |
| if (widget == widget_) |
| widget_ = nullptr; |
| } |
| |
| 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()); |
| } |
| |
| int InfoBubble::GetDialogButtons() const { |
| return ui::DIALOG_BUTTON_NONE; |
| } |
| |
| void InfoBubble::UpdatePosition() { |
| if (!widget_) |
| return; |
| |
| if (!anchor_->GetVisibleBounds().IsEmpty()) { |
| SizeToContents(); |
| widget_->SetVisibilityChangedAnimationsEnabled(true); |
| widget_->ShowInactive(); |
| } else { |
| widget_->SetVisibilityChangedAnimationsEnabled(false); |
| widget_->Hide(); |
| } |
| } |
| |
| } // namespace views |