| // Copyright (c) 2012 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/window/non_client_view.h" |
| |
| #include <memory> |
| #include <utility> |
| |
| #include "ui/accessibility/ax_enums.mojom.h" |
| #include "ui/accessibility/ax_node_data.h" |
| #include "ui/base/hit_test.h" |
| #include "ui/base/metadata/metadata_impl_macros.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/views/layout/fill_layout.h" |
| #include "ui/views/rect_based_targeting_utils.h" |
| #include "ui/views/view_targeter.h" |
| #include "ui/views/widget/root_view.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/window/client_view.h" |
| |
| #if defined(OS_WIN) |
| #include "ui/display/win/screen_win.h" |
| #endif |
| |
| namespace views { |
| |
| NonClientFrameView::~NonClientFrameView() = default; |
| |
| bool NonClientFrameView::ShouldPaintAsActive() const { |
| return GetWidget()->ShouldPaintAsActive(); |
| } |
| |
| int NonClientFrameView::GetHTComponentForFrame(const gfx::Point& point, |
| const gfx::Insets& resize_border, |
| int top_resize_corner_height, |
| int resize_corner_width, |
| bool can_resize) { |
| bool point_in_top = point.y() < resize_border.top(); |
| bool point_in_bottom = point.y() >= height() - resize_border.bottom(); |
| bool point_in_left = point.x() < resize_border.left(); |
| bool point_in_right = point.x() >= width() - resize_border.right(); |
| |
| if (!point_in_left && !point_in_right && !point_in_top && !point_in_bottom) |
| return HTNOWHERE; |
| |
| point_in_top |= point.y() < top_resize_corner_height; |
| point_in_left |= point.x() < resize_corner_width; |
| point_in_right |= point.x() >= width() - resize_corner_width; |
| |
| int component; |
| if (point_in_top) { |
| if (point_in_left) |
| component = HTTOPLEFT; |
| else if (point_in_right) |
| component = HTTOPRIGHT; |
| else |
| component = HTTOP; |
| } else if (point_in_bottom) { |
| if (point_in_left) |
| component = HTBOTTOMLEFT; |
| else if (point_in_right) |
| component = HTBOTTOMRIGHT; |
| else |
| component = HTBOTTOM; |
| } else if (point_in_left) { |
| component = HTLEFT; |
| } else if (point_in_right) { |
| component = HTRIGHT; |
| } else { |
| NOTREACHED(); |
| } |
| |
| // If the window can't be resized, there are no resize boundaries, just |
| // window borders. |
| return can_resize ? component : HTBORDER; |
| } |
| |
| gfx::Rect NonClientFrameView::GetBoundsForClientView() const { |
| return gfx::Rect(); |
| } |
| |
| gfx::Rect NonClientFrameView::GetWindowBoundsForClientBounds( |
| const gfx::Rect& client_bounds) const { |
| return client_bounds; |
| } |
| |
| bool NonClientFrameView::GetClientMask(const gfx::Size& size, |
| SkPath* mask) const { |
| return false; |
| } |
| |
| #if defined(OS_WIN) |
| gfx::Point NonClientFrameView::GetSystemMenuScreenPixelLocation() const { |
| gfx::Point point(GetMirroredXInView(GetBoundsForClientView().x()), |
| GetSystemMenuY()); |
| View::ConvertPointToScreen(this, &point); |
| point = display::win::ScreenWin::DIPToScreenPoint(point); |
| // The native system menu seems to overlap the titlebar by 1 px. Match that. |
| return point - gfx::Vector2d(0, 1); |
| } |
| #endif |
| |
| int NonClientFrameView::NonClientHitTest(const gfx::Point& point) { |
| return HTNOWHERE; |
| } |
| |
| void NonClientFrameView::GetAccessibleNodeData(ui::AXNodeData* node_data) { |
| node_data->role = ax::mojom::Role::kClient; |
| } |
| |
| void NonClientFrameView::OnThemeChanged() { |
| View::OnThemeChanged(); |
| SchedulePaint(); |
| } |
| |
| void NonClientFrameView::Layout() { |
| if (GetLayoutManager()) |
| GetLayoutManager()->Layout(this); |
| |
| views::ClientView* client_view = GetWidget()->client_view(); |
| client_view->SetBoundsRect(GetBoundsForClientView()); |
| SkPath client_clip; |
| if (GetClientMask(client_view->size(), &client_clip)) |
| client_view->SetClipPath(client_clip); |
| } |
| |
| NonClientFrameView::NonClientFrameView() { |
| SetEventTargeter(std::make_unique<views::ViewTargeter>(this)); |
| } |
| |
| #if defined(OS_WIN) |
| int NonClientFrameView::GetSystemMenuY() const { |
| return GetBoundsForClientView().y(); |
| } |
| #endif |
| |
| BEGIN_METADATA(NonClientFrameView, View) |
| END_METADATA |
| |
| NonClientView::NonClientView(views::ClientView* client_view) |
| : client_view_(client_view) { |
| SetEventTargeter(std::make_unique<views::ViewTargeter>(this)); |
| } |
| |
| NonClientView::~NonClientView() { |
| // This value may have been reset before the window hierarchy shuts down, |
| // so we need to manually remove it. |
| RemoveChildView(frame_view_.get()); |
| } |
| |
| void NonClientView::SetFrameView( |
| std::unique_ptr<NonClientFrameView> frame_view) { |
| // If there is an existing frame view, ensure that the ClientView remains |
| // attached to the Widget by moving the ClientView to the new frame before |
| // removing the old frame from the view hierarchy. |
| std::unique_ptr<NonClientFrameView> old_frame_view = std::move(frame_view_); |
| frame_view_ = std::move(frame_view); |
| if (parent()) { |
| AddChildViewAt(frame_view_.get(), 0); |
| frame_view_->AddChildViewAt(client_view_, 0); |
| } |
| |
| if (old_frame_view) |
| RemoveChildView(old_frame_view.get()); |
| } |
| |
| void NonClientView::SetOverlayView(View* view) { |
| if (overlay_view_) |
| RemoveChildView(overlay_view_); |
| |
| if (!view) |
| return; |
| |
| overlay_view_ = view; |
| if (parent()) |
| AddChildView(overlay_view_); |
| } |
| |
| CloseRequestResult NonClientView::OnWindowCloseRequested() { |
| return client_view_->OnWindowCloseRequested(); |
| } |
| |
| void NonClientView::WindowClosing() { |
| client_view_->WidgetClosing(); |
| } |
| |
| void NonClientView::UpdateFrame() { |
| Widget* widget = GetWidget(); |
| SetFrameView(widget->CreateNonClientFrameView()); |
| widget->ThemeChanged(); |
| InvalidateLayout(); |
| SchedulePaint(); |
| } |
| |
| gfx::Rect NonClientView::GetWindowBoundsForClientBounds( |
| const gfx::Rect client_bounds) const { |
| return frame_view_->GetWindowBoundsForClientBounds(client_bounds); |
| } |
| |
| int NonClientView::NonClientHitTest(const gfx::Point& point) { |
| // The NonClientFrameView is responsible for also asking the ClientView. |
| return frame_view_->NonClientHitTest(point); |
| } |
| |
| void NonClientView::GetWindowMask(const gfx::Size& size, SkPath* window_mask) { |
| frame_view_->GetWindowMask(size, window_mask); |
| } |
| |
| void NonClientView::ResetWindowControls() { |
| frame_view_->ResetWindowControls(); |
| } |
| |
| void NonClientView::UpdateWindowIcon() { |
| frame_view_->UpdateWindowIcon(); |
| } |
| |
| void NonClientView::UpdateWindowTitle() { |
| frame_view_->UpdateWindowTitle(); |
| } |
| |
| void NonClientView::SizeConstraintsChanged() { |
| frame_view_->SizeConstraintsChanged(); |
| } |
| |
| void NonClientView::SetAccessibleName(const std::u16string& name) { |
| accessible_name_ = name; |
| } |
| |
| gfx::Size NonClientView::CalculatePreferredSize() const { |
| // TODO(pkasting): This should probably be made to look similar to |
| // GetMinimumSize() below. This will require implementing GetPreferredSize() |
| // better in the various frame views. |
| gfx::Rect client_bounds(gfx::Point(), client_view_->GetPreferredSize()); |
| return GetWindowBoundsForClientBounds(client_bounds).size(); |
| } |
| |
| gfx::Size NonClientView::GetMinimumSize() const { |
| return frame_view_->GetMinimumSize(); |
| } |
| |
| gfx::Size NonClientView::GetMaximumSize() const { |
| return frame_view_->GetMaximumSize(); |
| } |
| |
| void NonClientView::Layout() { |
| // TODO(pkasting): The frame view should have the client view as a child and |
| // lay it out directly + set its clip path. Done correctly, this should let |
| // us use a FillLayout on this class that holds |frame_view_| and |
| // |overlay_view_|, and eliminate CalculatePreferredSize()/GetMinimumSize()/ |
| // GetMaximumSize()/Layout(). The frame view and client view were originally |
| // siblings because "many Views make the assumption they are only inserted |
| // into a View hierarchy once" ( http://codereview.chromium.org/27317 ), but |
| // where that is still the case it should simply be fixed. |
| frame_view_->SetBoundsRect(GetLocalBounds()); |
| |
| if (overlay_view_) |
| overlay_view_->SetBoundsRect(GetLocalBounds()); |
| } |
| |
| void NonClientView::GetAccessibleNodeData(ui::AXNodeData* node_data) { |
| node_data->role = ax::mojom::Role::kClient; |
| node_data->SetName(accessible_name_); |
| } |
| |
| View* NonClientView::GetTooltipHandlerForPoint(const gfx::Point& point) { |
| // The same logic as for TargetForRect() applies here. |
| if (frame_view_->parent() == this) { |
| // During the reset of the frame_view_ it's possible to be in this code |
| // after it's been removed from the view hierarchy but before it's been |
| // removed from the NonClientView. |
| gfx::Point point_in_child_coords(point); |
| View::ConvertPointToTarget(this, frame_view_.get(), &point_in_child_coords); |
| View* handler = |
| frame_view_->GetTooltipHandlerForPoint(point_in_child_coords); |
| if (handler) |
| return handler; |
| } |
| |
| return View::GetTooltipHandlerForPoint(point); |
| } |
| |
| void NonClientView::ViewHierarchyChanged( |
| const ViewHierarchyChangedDetails& details) { |
| // Add our child views here as we are added to the Widget so that if we are |
| // subsequently resized all the parent-child relationships are established. |
| // TODO(pkasting): The above comment makes no sense to me. Try to eliminate |
| // the various setters, and create and add children directly in the |
| // constructor. |
| if (details.is_add && GetWidget() && details.child == this) { |
| AddChildViewAt(frame_view_.get(), 0); |
| frame_view_->AddChildViewAt(client_view_, 0); |
| if (overlay_view_) |
| AddChildView(overlay_view_); |
| } |
| } |
| |
| View* NonClientView::TargetForRect(View* root, const gfx::Rect& rect) { |
| CHECK_EQ(root, this); |
| |
| if (!UsePointBasedTargeting(rect)) |
| return ViewTargeterDelegate::TargetForRect(root, rect); |
| |
| // Because of the z-ordering of our child views (the client view is positioned |
| // over the non-client frame view, if the client view ever overlaps the frame |
| // view visually (as it does for the browser window), then it will eat |
| // events for the window controls. We override this method here so that we can |
| // detect this condition and re-route the events to the non-client frame view. |
| // The assumption is that the frame view's implementation of HitTest will only |
| // return true for area not occupied by the client view. |
| if (frame_view_->parent() == this) { |
| // During the reset of the frame_view_ it's possible to be in this code |
| // after it's been removed from the view hierarchy but before it's been |
| // removed from the NonClientView. |
| gfx::RectF rect_in_child_coords_f(rect); |
| View::ConvertRectToTarget(this, frame_view_.get(), &rect_in_child_coords_f); |
| gfx::Rect rect_in_child_coords = |
| gfx::ToEnclosingRect(rect_in_child_coords_f); |
| if (frame_view_->HitTestRect(rect_in_child_coords)) |
| return frame_view_->GetEventHandlerForRect(rect_in_child_coords); |
| } |
| |
| return ViewTargeterDelegate::TargetForRect(root, rect); |
| } |
| |
| BEGIN_METADATA(NonClientView, View) |
| END_METADATA |
| |
| } // namespace views |