| // 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/custom_frame_view.h" |
| |
| #include <algorithm> |
| #include <vector> |
| |
| #include "base/strings/utf_string_conversions.h" |
| #include "grit/ui_resources.h" |
| #include "grit/ui_strings.h" |
| #include "ui/base/hit_test.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/gfx/canvas.h" |
| #include "ui/gfx/font.h" |
| #include "ui/gfx/image/image.h" |
| #include "ui/gfx/path.h" |
| #include "ui/gfx/rect.h" |
| #include "ui/views/color_constants.h" |
| #include "ui/views/controls/button/image_button.h" |
| #include "ui/views/views_delegate.h" |
| #include "ui/views/widget/native_widget_private.h" |
| #include "ui/views/widget/widget.h" |
| #include "ui/views/widget/widget_delegate.h" |
| #include "ui/views/window/client_view.h" |
| #include "ui/views/window/frame_background.h" |
| #include "ui/views/window/window_button_order_provider.h" |
| #include "ui/views/window/window_resources.h" |
| #include "ui/views/window/window_shape.h" |
| |
| namespace views { |
| |
| namespace { |
| |
| // The frame border is only visible in restored mode and is hardcoded to 4 px on |
| // each side regardless of the system window border size. |
| const int kFrameBorderThickness = 4; |
| // In the window corners, the resize areas don't actually expand bigger, but the |
| // 16 px at the end of each edge triggers diagonal resizing. |
| const int kResizeAreaCornerSize = 16; |
| // The titlebar never shrinks too short to show the caption button plus some |
| // padding below it. |
| const int kCaptionButtonHeightWithPadding = 19; |
| // The titlebar has a 2 px 3D edge along the top and bottom. |
| const int kTitlebarTopAndBottomEdgeThickness = 2; |
| // The icon is inset 2 px from the left frame border. |
| const int kIconLeftSpacing = 2; |
| // The icon never shrinks below 16 px on a side. |
| const int kIconMinimumSize = 16; |
| // The space between the window icon and the title text. |
| const int kTitleIconOffsetX = 4; |
| // The space between the title text and the caption buttons. |
| const int kTitleCaptionSpacing = 5; |
| |
| #if defined(OS_CHROMEOS) |
| // Chrome OS uses a dark gray. |
| const SkColor kDefaultColorFrame = SkColorSetRGB(109, 109, 109); |
| const SkColor kDefaultColorFrameInactive = SkColorSetRGB(176, 176, 176); |
| #else |
| // Windows and Linux use a blue. |
| const SkColor kDefaultColorFrame = SkColorSetRGB(66, 116, 201); |
| const SkColor kDefaultColorFrameInactive = SkColorSetRGB(161, 182, 228); |
| #endif |
| |
| const gfx::FontList& GetTitleFontList() { |
| static const gfx::FontList title_font_list = |
| internal::NativeWidgetPrivate::GetWindowTitleFontList(); |
| return title_font_list; |
| } |
| |
| void LayoutButton(ImageButton* button, const gfx::Rect& bounds) { |
| button->SetVisible(true); |
| button->SetImageAlignment(ImageButton::ALIGN_LEFT, |
| ImageButton::ALIGN_BOTTOM); |
| button->SetBoundsRect(bounds); |
| } |
| |
| } // namespace |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // CustomFrameView, public: |
| |
| CustomFrameView::CustomFrameView() |
| : frame_(NULL), |
| window_icon_(NULL), |
| minimize_button_(NULL), |
| maximize_button_(NULL), |
| restore_button_(NULL), |
| close_button_(NULL), |
| should_show_maximize_button_(false), |
| frame_background_(new FrameBackground()), |
| minimum_title_bar_x_(0), |
| maximum_title_bar_x_(-1) { |
| } |
| |
| CustomFrameView::~CustomFrameView() { |
| } |
| |
| void CustomFrameView::Init(Widget* frame) { |
| frame_ = frame; |
| |
| close_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_CLOSE, |
| IDR_CLOSE, IDR_CLOSE_H, IDR_CLOSE_P); |
| minimize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MINIMIZE, |
| IDR_MINIMIZE, IDR_MINIMIZE_H, IDR_MINIMIZE_P); |
| maximize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MAXIMIZE, |
| IDR_MAXIMIZE, IDR_MAXIMIZE_H, IDR_MAXIMIZE_P); |
| restore_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_RESTORE, |
| IDR_RESTORE, IDR_RESTORE_H, IDR_RESTORE_P); |
| |
| should_show_maximize_button_ = frame_->widget_delegate()->CanMaximize(); |
| |
| if (frame_->widget_delegate()->ShouldShowWindowIcon()) { |
| window_icon_ = new ImageButton(this); |
| AddChildView(window_icon_); |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // CustomFrameView, NonClientFrameView implementation: |
| |
| gfx::Rect CustomFrameView::GetBoundsForClientView() const { |
| return client_view_bounds_; |
| } |
| |
| gfx::Rect CustomFrameView::GetWindowBoundsForClientBounds( |
| const gfx::Rect& client_bounds) const { |
| int top_height = NonClientTopBorderHeight(); |
| int border_thickness = NonClientBorderThickness(); |
| return gfx::Rect(client_bounds.x() - border_thickness, |
| client_bounds.y() - top_height, |
| client_bounds.width() + (2 * border_thickness), |
| client_bounds.height() + top_height + border_thickness); |
| } |
| |
| int CustomFrameView::NonClientHitTest(const gfx::Point& point) { |
| // Sanity check. |
| if (!bounds().Contains(point)) |
| return HTNOWHERE; |
| |
| int frame_component = frame_->client_view()->NonClientHitTest(point); |
| |
| // See if we're in the sysmenu region. (We check the ClientView first to be |
| // consistent with OpaqueBrowserFrameView; it's not really necessary here.) |
| gfx::Rect sysmenu_rect(IconBounds()); |
| // In maximized mode we extend the rect to the screen corner to take advantage |
| // of Fitts' Law. |
| if (frame_->IsMaximized()) |
| sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom()); |
| sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect)); |
| if (sysmenu_rect.Contains(point)) |
| return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU; |
| |
| if (frame_component != HTNOWHERE) |
| return frame_component; |
| |
| // Then see if the point is within any of the window controls. |
| if (close_button_->GetMirroredBounds().Contains(point)) |
| return HTCLOSE; |
| if (restore_button_->GetMirroredBounds().Contains(point)) |
| return HTMAXBUTTON; |
| if (maximize_button_->GetMirroredBounds().Contains(point)) |
| return HTMAXBUTTON; |
| if (minimize_button_->GetMirroredBounds().Contains(point)) |
| return HTMINBUTTON; |
| if (window_icon_ && window_icon_->GetMirroredBounds().Contains(point)) |
| return HTSYSMENU; |
| |
| int window_component = GetHTComponentForFrame(point, FrameBorderThickness(), |
| NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize, |
| frame_->widget_delegate()->CanResize()); |
| // Fall back to the caption if no other component matches. |
| return (window_component == HTNOWHERE) ? HTCAPTION : window_component; |
| } |
| |
| void CustomFrameView::GetWindowMask(const gfx::Size& size, |
| gfx::Path* window_mask) { |
| DCHECK(window_mask); |
| if (frame_->IsMaximized() || !ShouldShowTitleBarAndBorder()) |
| return; |
| |
| GetDefaultWindowMask(size, window_mask); |
| } |
| |
| void CustomFrameView::ResetWindowControls() { |
| restore_button_->SetState(CustomButton::STATE_NORMAL); |
| minimize_button_->SetState(CustomButton::STATE_NORMAL); |
| maximize_button_->SetState(CustomButton::STATE_NORMAL); |
| // The close button isn't affected by this constraint. |
| } |
| |
| void CustomFrameView::UpdateWindowIcon() { |
| if (window_icon_) |
| window_icon_->SchedulePaint(); |
| } |
| |
| void CustomFrameView::UpdateWindowTitle() { |
| if (frame_->widget_delegate()->ShouldShowWindowTitle()) |
| SchedulePaintInRect(title_bounds_); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // CustomFrameView, View overrides: |
| |
| void CustomFrameView::OnPaint(gfx::Canvas* canvas) { |
| if (!ShouldShowTitleBarAndBorder()) |
| return; |
| |
| if (frame_->IsMaximized()) |
| PaintMaximizedFrameBorder(canvas); |
| else |
| PaintRestoredFrameBorder(canvas); |
| PaintTitleBar(canvas); |
| if (ShouldShowClientEdge()) |
| PaintRestoredClientEdge(canvas); |
| } |
| |
| void CustomFrameView::Layout() { |
| if (ShouldShowTitleBarAndBorder()) { |
| LayoutWindowControls(); |
| LayoutTitleBar(); |
| } |
| |
| LayoutClientView(); |
| } |
| |
| gfx::Size CustomFrameView::GetPreferredSize() const { |
| return frame_->non_client_view()->GetWindowBoundsForClientBounds( |
| gfx::Rect(frame_->client_view()->GetPreferredSize())).size(); |
| } |
| |
| gfx::Size CustomFrameView::GetMinimumSize() const { |
| return frame_->non_client_view()->GetWindowBoundsForClientBounds( |
| gfx::Rect(frame_->client_view()->GetMinimumSize())).size(); |
| } |
| |
| gfx::Size CustomFrameView::GetMaximumSize() const { |
| gfx::Size max_size = frame_->client_view()->GetMaximumSize(); |
| gfx::Size converted_size = |
| frame_->non_client_view()->GetWindowBoundsForClientBounds( |
| gfx::Rect(max_size)).size(); |
| return gfx::Size(max_size.width() == 0 ? 0 : converted_size.width(), |
| max_size.height() == 0 ? 0 : converted_size.height()); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // CustomFrameView, ButtonListener implementation: |
| |
| void CustomFrameView::ButtonPressed(Button* sender, const ui::Event& event) { |
| if (sender == close_button_) |
| frame_->Close(); |
| else if (sender == minimize_button_) |
| frame_->Minimize(); |
| else if (sender == maximize_button_) |
| frame_->Maximize(); |
| else if (sender == restore_button_) |
| frame_->Restore(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // CustomFrameView, private: |
| |
| int CustomFrameView::FrameBorderThickness() const { |
| return frame_->IsMaximized() ? 0 : kFrameBorderThickness; |
| } |
| |
| int CustomFrameView::NonClientBorderThickness() const { |
| // In maximized mode, we don't show a client edge. |
| return FrameBorderThickness() + |
| (ShouldShowClientEdge() ? kClientEdgeThickness : 0); |
| } |
| |
| int CustomFrameView::NonClientTopBorderHeight() const { |
| return std::max(FrameBorderThickness() + IconSize(), |
| CaptionButtonY() + kCaptionButtonHeightWithPadding) + |
| TitlebarBottomThickness(); |
| } |
| |
| int CustomFrameView::CaptionButtonY() const { |
| // Maximized buttons start at window top so that even if their images aren't |
| // drawn flush with the screen edge, they still obey Fitts' Law. |
| #if defined(OS_LINUX) && !defined(OS_CHROMEOS) |
| return FrameBorderThickness(); |
| #else |
| return frame_->IsMaximized() ? FrameBorderThickness() : kFrameShadowThickness; |
| #endif |
| } |
| |
| int CustomFrameView::TitlebarBottomThickness() const { |
| return kTitlebarTopAndBottomEdgeThickness + |
| (ShouldShowClientEdge() ? kClientEdgeThickness : 0); |
| } |
| |
| int CustomFrameView::IconSize() const { |
| #if defined(OS_WIN) |
| // This metric scales up if either the titlebar height or the titlebar font |
| // size are increased. |
| return GetSystemMetrics(SM_CYSMICON); |
| #else |
| return std::max(GetTitleFontList().GetHeight(), kIconMinimumSize); |
| #endif |
| } |
| |
| gfx::Rect CustomFrameView::IconBounds() const { |
| int size = IconSize(); |
| int frame_thickness = FrameBorderThickness(); |
| // Our frame border has a different "3D look" than Windows'. Theirs has a |
| // more complex gradient on the top that they push their icon/title below; |
| // then the maximized window cuts this off and the icon/title are centered |
| // in the remaining space. Because the apparent shape of our border is |
| // simpler, using the same positioning makes things look slightly uncentered |
| // with restored windows, so when the window is restored, instead of |
| // calculating the remaining space from below the frame border, we calculate |
| // from below the 3D edge. |
| int unavailable_px_at_top = frame_->IsMaximized() ? |
| frame_thickness : kTitlebarTopAndBottomEdgeThickness; |
| // When the icon is shorter than the minimum space we reserve for the caption |
| // button, we vertically center it. We want to bias rounding to put extra |
| // space above the icon, since the 3D edge (+ client edge, for restored |
| // windows) below looks (to the eye) more like additional space than does the |
| // 3D edge (or nothing at all, for maximized windows) above; hence the +1. |
| int y = unavailable_px_at_top + (NonClientTopBorderHeight() - |
| unavailable_px_at_top - size - TitlebarBottomThickness() + 1) / 2; |
| return gfx::Rect(frame_thickness + kIconLeftSpacing + minimum_title_bar_x_, |
| y, size, size); |
| } |
| |
| bool CustomFrameView::ShouldShowTitleBarAndBorder() const { |
| if (frame_->IsFullscreen()) |
| return false; |
| |
| if (ViewsDelegate::views_delegate) { |
| return !ViewsDelegate::views_delegate->WindowManagerProvidesTitleBar( |
| frame_->IsMaximized()); |
| } |
| |
| return true; |
| } |
| |
| bool CustomFrameView::ShouldShowClientEdge() const { |
| return !frame_->IsMaximized() && ShouldShowTitleBarAndBorder(); |
| } |
| |
| void CustomFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) { |
| frame_background_->set_frame_color(GetFrameColor()); |
| const gfx::ImageSkia* frame_image = GetFrameImage(); |
| frame_background_->set_theme_image(frame_image); |
| frame_background_->set_top_area_height(frame_image->height()); |
| |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| |
| frame_background_->SetCornerImages( |
| rb.GetImageNamed(IDR_WINDOW_TOP_LEFT_CORNER).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_TOP_RIGHT_CORNER).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER).ToImageSkia()); |
| frame_background_->SetSideImages( |
| rb.GetImageNamed(IDR_WINDOW_LEFT_SIDE).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_TOP_CENTER).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_RIGHT_SIDE).ToImageSkia(), |
| rb.GetImageNamed(IDR_WINDOW_BOTTOM_CENTER).ToImageSkia()); |
| |
| frame_background_->PaintRestored(canvas, this); |
| } |
| |
| void CustomFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) { |
| const gfx::ImageSkia* frame_image = GetFrameImage(); |
| frame_background_->set_theme_image(frame_image); |
| frame_background_->set_top_area_height(frame_image->height()); |
| frame_background_->PaintMaximized(canvas, this); |
| |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| |
| // TODO(jamescook): Migrate this into FrameBackground. |
| // The bottom of the titlebar actually comes from the top of the Client Edge |
| // graphic, with the actual client edge clipped off the bottom. |
| const gfx::ImageSkia* titlebar_bottom = rb.GetImageNamed( |
| IDR_APP_TOP_CENTER).ToImageSkia(); |
| int edge_height = titlebar_bottom->height() - |
| (ShouldShowClientEdge() ? kClientEdgeThickness : 0); |
| canvas->TileImageInt(*titlebar_bottom, 0, |
| frame_->client_view()->y() - edge_height, width(), edge_height); |
| } |
| |
| void CustomFrameView::PaintTitleBar(gfx::Canvas* canvas) { |
| WidgetDelegate* delegate = frame_->widget_delegate(); |
| |
| // It seems like in some conditions we can be asked to paint after the window |
| // that contains us is WM_DESTROYed. At this point, our delegate is NULL. The |
| // correct long term fix may be to shut down the RootView in WM_DESTROY. |
| if (!delegate || !delegate->ShouldShowWindowTitle()) |
| return; |
| |
| gfx::Rect rect = title_bounds_; |
| rect.set_x(GetMirroredXForRect(title_bounds_)); |
| canvas->DrawStringRect(delegate->GetWindowTitle(), GetTitleFontList(), |
| SK_ColorWHITE, rect); |
| } |
| |
| void CustomFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) { |
| gfx::Rect client_area_bounds = frame_->client_view()->bounds(); |
| int client_area_top = client_area_bounds.y(); |
| |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| |
| // Top: left, center, right sides. |
| const gfx::ImageSkia* top_left = rb.GetImageSkiaNamed(IDR_APP_TOP_LEFT); |
| const gfx::ImageSkia* top_center = rb.GetImageSkiaNamed(IDR_APP_TOP_CENTER); |
| const gfx::ImageSkia* top_right = rb.GetImageSkiaNamed(IDR_APP_TOP_RIGHT); |
| int top_edge_y = client_area_top - top_center->height(); |
| canvas->DrawImageInt(*top_left, |
| client_area_bounds.x() - top_left->width(), |
| top_edge_y); |
| canvas->TileImageInt(*top_center, |
| client_area_bounds.x(), |
| top_edge_y, |
| client_area_bounds.width(), |
| top_center->height()); |
| canvas->DrawImageInt(*top_right, client_area_bounds.right(), top_edge_y); |
| |
| // Right side. |
| const gfx::ImageSkia* right = rb.GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE); |
| int client_area_bottom = |
| std::max(client_area_top, client_area_bounds.bottom()); |
| int client_area_height = client_area_bottom - client_area_top; |
| canvas->TileImageInt(*right, |
| client_area_bounds.right(), |
| client_area_top, |
| right->width(), |
| client_area_height); |
| |
| // Bottom: left, center, right sides. |
| const gfx::ImageSkia* bottom_left = |
| rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER); |
| const gfx::ImageSkia* bottom_center = |
| rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER); |
| const gfx::ImageSkia* bottom_right = |
| rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER); |
| |
| canvas->DrawImageInt(*bottom_left, |
| client_area_bounds.x() - bottom_left->width(), |
| client_area_bottom); |
| |
| canvas->TileImageInt(*bottom_center, |
| client_area_bounds.x(), |
| client_area_bottom, |
| client_area_bounds.width(), |
| bottom_right->height()); |
| |
| canvas->DrawImageInt(*bottom_right, |
| client_area_bounds.right(), |
| client_area_bottom); |
| // Left side. |
| const gfx::ImageSkia* left = rb.GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE); |
| canvas->TileImageInt(*left, |
| client_area_bounds.x() - left->width(), |
| client_area_top, |
| left->width(), |
| client_area_height); |
| |
| // Draw the color to fill in the edges. |
| canvas->FillRect(gfx::Rect(client_area_bounds.x() - 1, |
| client_area_top - 1, |
| client_area_bounds.width() + 1, |
| client_area_bottom - client_area_top + 1), |
| kClientEdgeColor); |
| } |
| |
| SkColor CustomFrameView::GetFrameColor() const { |
| return frame_->IsActive() ? kDefaultColorFrame : kDefaultColorFrameInactive; |
| } |
| |
| const gfx::ImageSkia* CustomFrameView::GetFrameImage() const { |
| return ui::ResourceBundle::GetSharedInstance().GetImageNamed( |
| frame_->IsActive() ? IDR_FRAME : IDR_FRAME_INACTIVE).ToImageSkia(); |
| } |
| |
| void CustomFrameView::LayoutWindowControls() { |
| minimum_title_bar_x_ = 0; |
| maximum_title_bar_x_ = width(); |
| |
| if (bounds().IsEmpty()) |
| return; |
| |
| int caption_y = CaptionButtonY(); |
| bool is_maximized = frame_->IsMaximized(); |
| // There should always be the same number of non-shadow pixels visible to the |
| // side of the caption buttons. In maximized mode we extend the edge button |
| // to the screen corner to obey Fitts' Law. |
| int extra_width = is_maximized ? |
| (kFrameBorderThickness - kFrameShadowThickness) : 0; |
| int next_button_x = FrameBorderThickness(); |
| |
| bool is_restored = !is_maximized && !frame_->IsMinimized(); |
| ImageButton* invisible_button = is_restored ? restore_button_ |
| : maximize_button_; |
| invisible_button->SetVisible(false); |
| |
| WindowButtonOrderProvider* button_order = |
| WindowButtonOrderProvider::GetInstance(); |
| const std::vector<views::FrameButton>& leading_buttons = |
| button_order->leading_buttons(); |
| const std::vector<views::FrameButton>& trailing_buttons = |
| button_order->trailing_buttons(); |
| |
| ImageButton* button = NULL; |
| for (std::vector<views::FrameButton>::const_iterator it = |
| leading_buttons.begin(); it != leading_buttons.end(); ++it) { |
| button = GetImageButton(*it); |
| if (!button) |
| continue; |
| gfx::Rect target_bounds(gfx::Point(next_button_x, caption_y), |
| button->GetPreferredSize()); |
| if (it == leading_buttons.begin()) |
| target_bounds.set_width(target_bounds.width() + extra_width); |
| LayoutButton(button, target_bounds); |
| next_button_x += button->width(); |
| minimum_title_bar_x_ = std::min(width(), next_button_x); |
| } |
| |
| // Trailing buttions are laid out in a RTL fashion |
| next_button_x = width() - FrameBorderThickness(); |
| for (std::vector<views::FrameButton>::const_reverse_iterator it = |
| trailing_buttons.rbegin(); it != trailing_buttons.rend(); ++it) { |
| button = GetImageButton(*it); |
| if (!button) |
| continue; |
| gfx::Rect target_bounds(gfx::Point(next_button_x, caption_y), |
| button->GetPreferredSize()); |
| if (it == trailing_buttons.rbegin()) |
| target_bounds.set_width(target_bounds.width() + extra_width); |
| target_bounds.Offset(-target_bounds.width(), 0); |
| LayoutButton(button, target_bounds); |
| next_button_x = button->x(); |
| maximum_title_bar_x_ = std::max(minimum_title_bar_x_, next_button_x); |
| } |
| } |
| |
| void CustomFrameView::LayoutTitleBar() { |
| DCHECK_GE(maximum_title_bar_x_, 0); |
| // The window title position is calculated based on the icon position, even |
| // when there is no icon. |
| gfx::Rect icon_bounds(IconBounds()); |
| bool show_window_icon = window_icon_ != NULL; |
| if (show_window_icon) |
| window_icon_->SetBoundsRect(icon_bounds); |
| |
| if (!frame_->widget_delegate()->ShouldShowWindowTitle()) |
| return; |
| |
| // The offset between the window left edge and the title text. |
| int title_x = show_window_icon ? icon_bounds.right() + kTitleIconOffsetX |
| : icon_bounds.x(); |
| int title_height = GetTitleFontList().GetHeight(); |
| // We bias the title position so that when the difference between the icon and |
| // title heights is odd, the extra pixel of the title is above the vertical |
| // midline rather than below. This compensates for how the icon is already |
| // biased downwards (see IconBounds()) and helps prevent descenders on the |
| // title from overlapping the 3D edge at the bottom of the titlebar. |
| title_bounds_.SetRect(title_x, |
| icon_bounds.y() + ((icon_bounds.height() - title_height - 1) / 2), |
| std::max(0, maximum_title_bar_x_ - kTitleCaptionSpacing - |
| title_x), title_height); |
| } |
| |
| void CustomFrameView::LayoutClientView() { |
| if (!ShouldShowTitleBarAndBorder()) { |
| client_view_bounds_ = bounds(); |
| return; |
| } |
| |
| int top_height = NonClientTopBorderHeight(); |
| int border_thickness = NonClientBorderThickness(); |
| client_view_bounds_.SetRect(border_thickness, top_height, |
| std::max(0, width() - (2 * border_thickness)), |
| std::max(0, height() - top_height - border_thickness)); |
| } |
| |
| ImageButton* CustomFrameView::InitWindowCaptionButton( |
| int accessibility_string_id, |
| int normal_image_id, |
| int hot_image_id, |
| int pushed_image_id) { |
| ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); |
| ImageButton* button = new ImageButton(this); |
| button->SetAccessibleName(l10n_util::GetStringUTF16(accessibility_string_id)); |
| button->SetImage(CustomButton::STATE_NORMAL, |
| rb.GetImageNamed(normal_image_id).ToImageSkia()); |
| button->SetImage(CustomButton::STATE_HOVERED, |
| rb.GetImageNamed(hot_image_id).ToImageSkia()); |
| button->SetImage(CustomButton::STATE_PRESSED, |
| rb.GetImageNamed(pushed_image_id).ToImageSkia()); |
| AddChildView(button); |
| return button; |
| } |
| |
| ImageButton* CustomFrameView::GetImageButton(views::FrameButton frame_button) { |
| ImageButton* button = NULL; |
| switch (frame_button) { |
| case views::FRAME_BUTTON_MINIMIZE: { |
| button = minimize_button_; |
| break; |
| } |
| case views::FRAME_BUTTON_MAXIMIZE: { |
| bool is_restored = !frame_->IsMaximized() && !frame_->IsMinimized(); |
| button = is_restored ? maximize_button_ : restore_button_; |
| if (!should_show_maximize_button_) { |
| // If we should not show the maximize/restore button, then we return |
| // NULL as we don't want this button to become visible and to be laid |
| // out. |
| button->SetVisible(false); |
| return NULL; |
| } |
| break; |
| } |
| case views::FRAME_BUTTON_CLOSE: { |
| button = close_button_; |
| break; |
| } |
| } |
| return button; |
| } |
| |
| } // namespace views |