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Diffstat (limited to 'chrome/views/window/custom_frame_view.cc')
| -rw-r--r-- | chrome/views/window/custom_frame_view.cc | 696 |
1 files changed, 696 insertions, 0 deletions
diff --git a/chrome/views/window/custom_frame_view.cc b/chrome/views/window/custom_frame_view.cc new file mode 100644 index 0000000..d3843a4 --- /dev/null +++ b/chrome/views/window/custom_frame_view.cc @@ -0,0 +1,696 @@ +// Copyright (c) 2009 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 "chrome/views/window/custom_frame_view.h" + +#include "base/win_util.h" +#include "chrome/common/gfx/path.h" +#include "chrome/common/gfx/chrome_canvas.h" +#include "chrome/common/gfx/chrome_font.h" +#include "chrome/common/resource_bundle.h" +#include "chrome/common/win_util.h" +#include "chrome/views/window/client_view.h" +#include "chrome/views/window/window_delegate.h" +#include "grit/theme_resources.h" + +namespace views { + +// An enumeration of bitmap resources used by this window. +enum { + FRAME_PART_BITMAP_FIRST = 0, // Must be first. + + // Window Controls. + FRAME_CLOSE_BUTTON_ICON, + FRAME_CLOSE_BUTTON_ICON_H, + FRAME_CLOSE_BUTTON_ICON_P, + FRAME_CLOSE_BUTTON_ICON_SA, + FRAME_CLOSE_BUTTON_ICON_SA_H, + FRAME_CLOSE_BUTTON_ICON_SA_P, + FRAME_RESTORE_BUTTON_ICON, + FRAME_RESTORE_BUTTON_ICON_H, + FRAME_RESTORE_BUTTON_ICON_P, + FRAME_MAXIMIZE_BUTTON_ICON, + FRAME_MAXIMIZE_BUTTON_ICON_H, + FRAME_MAXIMIZE_BUTTON_ICON_P, + FRAME_MINIMIZE_BUTTON_ICON, + FRAME_MINIMIZE_BUTTON_ICON_H, + FRAME_MINIMIZE_BUTTON_ICON_P, + + // Window Frame Border. + FRAME_BOTTOM_EDGE, + FRAME_BOTTOM_LEFT_CORNER, + FRAME_BOTTOM_RIGHT_CORNER, + FRAME_LEFT_EDGE, + FRAME_RIGHT_EDGE, + FRAME_TOP_EDGE, + FRAME_TOP_LEFT_CORNER, + FRAME_TOP_RIGHT_CORNER, + + // Client Edge Border. + FRAME_CLIENT_EDGE_TOP_LEFT, + FRAME_CLIENT_EDGE_TOP, + FRAME_CLIENT_EDGE_TOP_RIGHT, + FRAME_CLIENT_EDGE_RIGHT, + FRAME_CLIENT_EDGE_BOTTOM_RIGHT, + FRAME_CLIENT_EDGE_BOTTOM, + FRAME_CLIENT_EDGE_BOTTOM_LEFT, + FRAME_CLIENT_EDGE_LEFT, + + FRAME_PART_BITMAP_COUNT // Must be last. +}; + +class ActiveWindowResources : public WindowResources { + public: + ActiveWindowResources() { + InitClass(); + } + virtual ~ActiveWindowResources() { + } + + // WindowResources implementation: + virtual SkBitmap* GetPartBitmap(FramePartBitmap part) const { + return standard_frame_bitmaps_[part]; + } + + private: + static void InitClass() { + static bool initialized = false; + if (!initialized) { + static const int kFramePartBitmapIds[] = { + 0, + IDR_CLOSE, IDR_CLOSE_H, IDR_CLOSE_P, + IDR_CLOSE_SA, IDR_CLOSE_SA_H, IDR_CLOSE_SA_P, + IDR_RESTORE, IDR_RESTORE_H, IDR_RESTORE_P, + IDR_MAXIMIZE, IDR_MAXIMIZE_H, IDR_MAXIMIZE_P, + IDR_MINIMIZE, IDR_MINIMIZE_H, IDR_MINIMIZE_P, + IDR_WINDOW_BOTTOM_CENTER, IDR_WINDOW_BOTTOM_LEFT_CORNER, + IDR_WINDOW_BOTTOM_RIGHT_CORNER, IDR_WINDOW_LEFT_SIDE, + IDR_WINDOW_RIGHT_SIDE, IDR_WINDOW_TOP_CENTER, + IDR_WINDOW_TOP_LEFT_CORNER, IDR_WINDOW_TOP_RIGHT_CORNER, + IDR_APP_TOP_LEFT, IDR_APP_TOP_CENTER, IDR_APP_TOP_RIGHT, + IDR_CONTENT_RIGHT_SIDE, IDR_CONTENT_BOTTOM_RIGHT_CORNER, + IDR_CONTENT_BOTTOM_CENTER, IDR_CONTENT_BOTTOM_LEFT_CORNER, + IDR_CONTENT_LEFT_SIDE, + 0 + }; + + ResourceBundle& rb = ResourceBundle::GetSharedInstance(); + for (int i = 0; i < FRAME_PART_BITMAP_COUNT; ++i) { + int id = kFramePartBitmapIds[i]; + if (id != 0) + standard_frame_bitmaps_[i] = rb.GetBitmapNamed(id); + } + initialized = true; + } + } + + static SkBitmap* standard_frame_bitmaps_[FRAME_PART_BITMAP_COUNT]; + static ChromeFont title_font_; + + DISALLOW_EVIL_CONSTRUCTORS(ActiveWindowResources); +}; + +class InactiveWindowResources : public WindowResources { + public: + InactiveWindowResources() { + InitClass(); + } + virtual ~InactiveWindowResources() { + } + + // WindowResources implementation: + virtual SkBitmap* GetPartBitmap(FramePartBitmap part) const { + return standard_frame_bitmaps_[part]; + } + + private: + static void InitClass() { + static bool initialized = false; + if (!initialized) { + static const int kFramePartBitmapIds[] = { + 0, + IDR_CLOSE, IDR_CLOSE_H, IDR_CLOSE_P, + IDR_CLOSE_SA, IDR_CLOSE_SA_H, IDR_CLOSE_SA_P, + IDR_RESTORE, IDR_RESTORE_H, IDR_RESTORE_P, + IDR_MAXIMIZE, IDR_MAXIMIZE_H, IDR_MAXIMIZE_P, + IDR_MINIMIZE, IDR_MINIMIZE_H, IDR_MINIMIZE_P, + IDR_DEWINDOW_BOTTOM_CENTER, IDR_DEWINDOW_BOTTOM_LEFT_CORNER, + IDR_DEWINDOW_BOTTOM_RIGHT_CORNER, IDR_DEWINDOW_LEFT_SIDE, + IDR_DEWINDOW_RIGHT_SIDE, IDR_DEWINDOW_TOP_CENTER, + IDR_DEWINDOW_TOP_LEFT_CORNER, IDR_DEWINDOW_TOP_RIGHT_CORNER, + IDR_APP_TOP_LEFT, IDR_APP_TOP_CENTER, IDR_APP_TOP_RIGHT, + IDR_CONTENT_RIGHT_SIDE, IDR_CONTENT_BOTTOM_RIGHT_CORNER, + IDR_CONTENT_BOTTOM_CENTER, IDR_CONTENT_BOTTOM_LEFT_CORNER, + IDR_CONTENT_LEFT_SIDE, + 0 + }; + + ResourceBundle& rb = ResourceBundle::GetSharedInstance(); + for (int i = 0; i < FRAME_PART_BITMAP_COUNT; ++i) { + int id = kFramePartBitmapIds[i]; + if (id != 0) + standard_frame_bitmaps_[i] = rb.GetBitmapNamed(id); + } + initialized = true; + } + } + + static SkBitmap* standard_frame_bitmaps_[FRAME_PART_BITMAP_COUNT]; + + DISALLOW_EVIL_CONSTRUCTORS(InactiveWindowResources); +}; + +// static +SkBitmap* ActiveWindowResources::standard_frame_bitmaps_[]; +SkBitmap* InactiveWindowResources::standard_frame_bitmaps_[]; + +// static +WindowResources* CustomFrameView::active_resources_ = NULL; +WindowResources* CustomFrameView::inactive_resources_ = NULL; +ChromeFont CustomFrameView::title_font_; + +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; +// Various edges of the frame border have a 1 px shadow along their edges; in a +// few cases we shift elements based on this amount for visual appeal. +const int kFrameShadowThickness = 1; +// While resize areas on Windows are normally the same size as the window +// borders, our top area is shrunk by 1 px to make it easier to move the window +// around with our thinner top grabbable strip. (Incidentally, our side and +// bottom resize areas don't match the frame border thickness either -- they +// span the whole nonclient area, so there's no "dead zone" for the mouse.) +const int kTopResizeAdjust = 1; +// 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 to less than 18 px tall, plus the height of the +// frame border and any bottom edge. +const int kTitlebarMinimumHeight = 18; +// The icon is inset 2 px from the left frame border. +const int kIconLeftSpacing = 2; +// The icon takes up 16/25th of the available titlebar height. (This is +// expressed as two ints to avoid precision losses leading to off-by-one pixel +// errors.) +const int kIconHeightFractionNumerator = 16; +const int kIconHeightFractionDenominator = 25; +// The icon never shrinks below 16 px on a side. +const int kIconMinimumSize = 16; +// Because our frame border has a different "3D look" than Windows', with a less +// cluttered top edge, we need to shift the icon up by 1 px in restored mode so +// it looks more centered. +const int kIconRestoredAdjust = 1; +// There is a 4 px gap between the icon and the title text. +const int kIconTitleSpacing = 4; +// The title text starts 2 px below the bottom of the top frame border. +const int kTitleTopSpacing = 2; +// There is a 5 px gap between the title text and the caption buttons. +const int kTitleCaptionSpacing = 5; +// The caption buttons are always drawn 1 px down from the visible top of the +// window (the true top in restored mode, or the top of the screen in maximized +// mode). +const int kCaptionTopSpacing = 1; +} + +/////////////////////////////////////////////////////////////////////////////// +// CustomFrameView, public: + +CustomFrameView::CustomFrameView(Window* frame) + : NonClientFrameView(), + close_button_(new ImageButton(this)), + restore_button_(new ImageButton(this)), + maximize_button_(new ImageButton(this)), + minimize_button_(new ImageButton(this)), + system_menu_button_(new ImageButton(this)), + should_show_minmax_buttons_(false), + frame_(frame) { + InitClass(); + WindowResources* resources = active_resources_; + + // Close button images will be set in LayoutWindowControls(). + AddChildView(close_button_); + + restore_button_->SetImage(CustomButton::BS_NORMAL, + resources->GetPartBitmap(FRAME_RESTORE_BUTTON_ICON)); + restore_button_->SetImage(CustomButton::BS_HOT, + resources->GetPartBitmap(FRAME_RESTORE_BUTTON_ICON_H)); + restore_button_->SetImage(CustomButton::BS_PUSHED, + resources->GetPartBitmap(FRAME_RESTORE_BUTTON_ICON_P)); + AddChildView(restore_button_); + + maximize_button_->SetImage(CustomButton::BS_NORMAL, + resources->GetPartBitmap(FRAME_MAXIMIZE_BUTTON_ICON)); + maximize_button_->SetImage(CustomButton::BS_HOT, + resources->GetPartBitmap(FRAME_MAXIMIZE_BUTTON_ICON_H)); + maximize_button_->SetImage(CustomButton::BS_PUSHED, + resources->GetPartBitmap(FRAME_MAXIMIZE_BUTTON_ICON_P)); + AddChildView(maximize_button_); + + minimize_button_->SetImage(CustomButton::BS_NORMAL, + resources->GetPartBitmap(FRAME_MINIMIZE_BUTTON_ICON)); + minimize_button_->SetImage(CustomButton::BS_HOT, + resources->GetPartBitmap(FRAME_MINIMIZE_BUTTON_ICON_H)); + minimize_button_->SetImage(CustomButton::BS_PUSHED, + resources->GetPartBitmap(FRAME_MINIMIZE_BUTTON_ICON_P)); + AddChildView(minimize_button_); + + should_show_minmax_buttons_ = frame_->GetDelegate()->CanMaximize(); + + AddChildView(system_menu_button_); +} + +CustomFrameView::~CustomFrameView() { +} + +/////////////////////////////////////////////////////////////////////////////// +// 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(std::max(0, client_bounds.x() - border_thickness), + std::max(0, client_bounds.y() - top_height), + client_bounds.width() + (2 * border_thickness), + client_bounds.height() + top_height + border_thickness); +} + +gfx::Point CustomFrameView::GetSystemMenuPoint() const { + gfx::Point system_menu_point(FrameBorderThickness(), + NonClientTopBorderHeight() - BottomEdgeThicknessWithinNonClientHeight()); + ConvertPointToScreen(this, &system_menu_point); + return system_menu_point; +} + +int CustomFrameView::NonClientHitTest(const gfx::Point& point) { + // Then see if the point is within any of the window controls. + if (close_button_->GetBounds(APPLY_MIRRORING_TRANSFORMATION).Contains(point)) + return HTCLOSE; + if (restore_button_->GetBounds(APPLY_MIRRORING_TRANSFORMATION).Contains( + point)) + return HTMAXBUTTON; + if (maximize_button_->GetBounds(APPLY_MIRRORING_TRANSFORMATION).Contains( + point)) + return HTMAXBUTTON; + if (minimize_button_->GetBounds(APPLY_MIRRORING_TRANSFORMATION).Contains( + point)) + return HTMINBUTTON; + if (system_menu_button_->GetBounds(APPLY_MIRRORING_TRANSFORMATION).Contains( + point)) + return HTSYSMENU; + + int window_component = GetHTComponentForFrame(point, FrameBorderThickness(), + NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize, + frame_->GetDelegate()->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); + + // Redefine the window visible region for the new size. + window_mask->moveTo(0, 3); + window_mask->lineTo(1, 2); + window_mask->lineTo(1, 1); + window_mask->lineTo(2, 1); + window_mask->lineTo(3, 0); + + window_mask->lineTo(SkIntToScalar(size.width() - 3), 0); + window_mask->lineTo(SkIntToScalar(size.width() - 2), 1); + window_mask->lineTo(SkIntToScalar(size.width() - 1), 1); + window_mask->lineTo(SkIntToScalar(size.width() - 1), 2); + window_mask->lineTo(SkIntToScalar(size.width()), 3); + + window_mask->lineTo(SkIntToScalar(size.width()), + SkIntToScalar(size.height())); + window_mask->lineTo(0, SkIntToScalar(size.height())); + window_mask->close(); +} + +void CustomFrameView::EnableClose(bool enable) { + close_button_->SetEnabled(enable); +} + +void CustomFrameView::ResetWindowControls() { + restore_button_->SetState(CustomButton::BS_NORMAL); + minimize_button_->SetState(CustomButton::BS_NORMAL); + maximize_button_->SetState(CustomButton::BS_NORMAL); + // The close button isn't affected by this constraint. +} + +/////////////////////////////////////////////////////////////////////////////// +// CustomFrameView, View overrides: + +void CustomFrameView::Paint(ChromeCanvas* canvas) { + if (frame_->IsMaximized()) + PaintMaximizedFrameBorder(canvas); + else + PaintRestoredFrameBorder(canvas); + PaintTitleBar(canvas); + if (!frame_->IsMaximized()) + PaintRestoredClientEdge(canvas); +} + +void CustomFrameView::Layout() { + LayoutWindowControls(); + LayoutTitleBar(); + LayoutClientView(); +} + +gfx::Size CustomFrameView::GetPreferredSize() { + gfx::Size pref = frame_->GetClientView()->GetPreferredSize(); + DCHECK(pref.width() > 0 && pref.height() > 0); + gfx::Rect bounds(0, 0, pref.width(), pref.height()); + return frame_->GetNonClientView()->GetWindowBoundsForClientBounds( + bounds).size(); +} + +/////////////////////////////////////////////////////////////////////////////// +// CustomFrameView, ButtonListener implementation: + +void CustomFrameView::ButtonPressed(Button* sender) { + 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() ? + GetSystemMetrics(SM_CXSIZEFRAME) : kFrameBorderThickness; +} + +int CustomFrameView::NonClientBorderThickness() const { + // In maximized mode, we don't show a client edge. + return FrameBorderThickness() + + (frame_->IsMaximized() ? 0 : kClientEdgeThickness); +} + +int CustomFrameView::NonClientTopBorderHeight() const { + int title_top_spacing, title_thickness; + return TitleCoordinates(&title_top_spacing, &title_thickness); +} + +int CustomFrameView::BottomEdgeThicknessWithinNonClientHeight() const { + return kFrameShadowThickness + + (frame_->IsMaximized() ? 0 : kClientEdgeThickness); +} + +int CustomFrameView::TitleCoordinates(int* title_top_spacing, + int* title_thickness) const { + int frame_thickness = FrameBorderThickness(); + int min_titlebar_height = kTitlebarMinimumHeight + frame_thickness; + *title_top_spacing = frame_thickness + kTitleTopSpacing; + // The bottom spacing should be the same apparent height as the top spacing. + // Because the actual top spacing height varies based on the system border + // thickness, we calculate this based on the restored top spacing and then + // adjust for maximized mode. We also don't include the frame shadow here, + // since while it's part of the bottom spacing it will be added in at the end. + int title_bottom_spacing = + kFrameBorderThickness + kTitleTopSpacing - kFrameShadowThickness; + if (frame_->IsMaximized()) { + // When we maximize, the top border appears to be chopped off; shift the + // title down to stay centered within the remaining space. + int title_adjust = (kFrameBorderThickness / 2); + *title_top_spacing += title_adjust; + title_bottom_spacing -= title_adjust; + } + *title_thickness = std::max(title_font_.height(), + min_titlebar_height - *title_top_spacing - title_bottom_spacing); + return *title_top_spacing + *title_thickness + title_bottom_spacing + + BottomEdgeThicknessWithinNonClientHeight(); +} + +void CustomFrameView::PaintRestoredFrameBorder(ChromeCanvas* canvas) { + SkBitmap* top_left_corner = resources()->GetPartBitmap(FRAME_TOP_LEFT_CORNER); + SkBitmap* top_right_corner = + resources()->GetPartBitmap(FRAME_TOP_RIGHT_CORNER); + SkBitmap* top_edge = resources()->GetPartBitmap(FRAME_TOP_EDGE); + SkBitmap* right_edge = resources()->GetPartBitmap(FRAME_RIGHT_EDGE); + SkBitmap* left_edge = resources()->GetPartBitmap(FRAME_LEFT_EDGE); + SkBitmap* bottom_left_corner = + resources()->GetPartBitmap(FRAME_BOTTOM_LEFT_CORNER); + SkBitmap* bottom_right_corner = + resources()->GetPartBitmap(FRAME_BOTTOM_RIGHT_CORNER); + SkBitmap* bottom_edge = resources()->GetPartBitmap(FRAME_BOTTOM_EDGE); + + // Top. + canvas->DrawBitmapInt(*top_left_corner, 0, 0); + canvas->TileImageInt(*top_edge, top_left_corner->width(), 0, + width() - top_right_corner->width(), top_edge->height()); + canvas->DrawBitmapInt(*top_right_corner, + width() - top_right_corner->width(), 0); + + // Right. + canvas->TileImageInt(*right_edge, width() - right_edge->width(), + top_right_corner->height(), right_edge->width(), + height() - top_right_corner->height() - + bottom_right_corner->height()); + + // Bottom. + canvas->DrawBitmapInt(*bottom_right_corner, + width() - bottom_right_corner->width(), + height() - bottom_right_corner->height()); + canvas->TileImageInt(*bottom_edge, bottom_left_corner->width(), + height() - bottom_edge->height(), + width() - bottom_left_corner->width() - + bottom_right_corner->width(), + bottom_edge->height()); + canvas->DrawBitmapInt(*bottom_left_corner, 0, + height() - bottom_left_corner->height()); + + // Left. + canvas->TileImageInt(*left_edge, 0, top_left_corner->height(), + left_edge->width(), + height() - top_left_corner->height() - bottom_left_corner->height()); +} + +void CustomFrameView::PaintMaximizedFrameBorder( + ChromeCanvas* canvas) { + SkBitmap* top_edge = resources()->GetPartBitmap(FRAME_TOP_EDGE); + canvas->TileImageInt(*top_edge, 0, FrameBorderThickness(), width(), + top_edge->height()); + + // The bottom of the titlebar actually comes from the top of the Client Edge + // graphic, with the actual client edge clipped off the bottom. + SkBitmap* titlebar_bottom = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_TOP); + int edge_height = titlebar_bottom->height() - kClientEdgeThickness; + canvas->TileImageInt(*titlebar_bottom, 0, + frame_->GetClientView()->y() - edge_height, width(), edge_height); +} + +void CustomFrameView::PaintTitleBar(ChromeCanvas* canvas) { + WindowDelegate* d = frame_->GetDelegate(); + + // 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 (!d) + return; + + canvas->DrawStringInt(d->GetWindowTitle(), title_font_, SK_ColorWHITE, + MirroredLeftPointForRect(title_bounds_), title_bounds_.y(), + title_bounds_.width(), title_bounds_.height()); +} + +void CustomFrameView::PaintRestoredClientEdge(ChromeCanvas* canvas) { + gfx::Rect client_area_bounds = frame_->GetClientView()->bounds(); + int client_area_top = client_area_bounds.y(); + + SkBitmap* top_left = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_TOP_LEFT); + SkBitmap* top = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_TOP); + SkBitmap* top_right = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_TOP_RIGHT); + SkBitmap* right = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_RIGHT); + SkBitmap* bottom_right = + resources()->GetPartBitmap(FRAME_CLIENT_EDGE_BOTTOM_RIGHT); + SkBitmap* bottom = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_BOTTOM); + SkBitmap* bottom_left = + resources()->GetPartBitmap(FRAME_CLIENT_EDGE_BOTTOM_LEFT); + SkBitmap* left = resources()->GetPartBitmap(FRAME_CLIENT_EDGE_LEFT); + + // Top. + // This next calculation is necessary because the top center bitmap is shorter + // than the top left and right bitmaps. We need their top edges to line up, + // and we need the left and right edges to start below the corners' bottoms. + int top_edge_y = client_area_top - top->height(); + client_area_top = top_edge_y + top_left->height(); + canvas->DrawBitmapInt(*top_left, client_area_bounds.x() - top_left->width(), + top_edge_y); + canvas->TileImageInt(*top, client_area_bounds.x(), top_edge_y, + client_area_bounds.width(), top->height()); + canvas->DrawBitmapInt(*top_right, client_area_bounds.right(), top_edge_y); + + // Right. + 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. + canvas->DrawBitmapInt(*bottom_right, client_area_bounds.right(), + client_area_bottom); + canvas->TileImageInt(*bottom, client_area_bounds.x(), client_area_bottom, + client_area_bounds.width(), bottom_right->height()); + canvas->DrawBitmapInt(*bottom_left, + client_area_bounds.x() - bottom_left->width(), client_area_bottom); + + // Left. + canvas->TileImageInt(*left, client_area_bounds.x() - left->width(), + client_area_top, left->width(), client_area_height); +} + +void CustomFrameView::LayoutWindowControls() { + close_button_->SetImageAlignment(ImageButton::ALIGN_LEFT, + ImageButton::ALIGN_BOTTOM); + // 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. + bool is_maximized = frame_->IsMaximized(); + int frame_thickness = FrameBorderThickness(); + int caption_y = is_maximized ? frame_thickness : kCaptionTopSpacing; + int top_extra_height = is_maximized ? kCaptionTopSpacing : 0; + // 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 rightmost + // button to the screen corner to obey Fitts' Law. + int right_extra_width = is_maximized ? + (kFrameBorderThickness - kFrameShadowThickness) : 0; + int right_spacing = is_maximized ? + (GetSystemMetrics(SM_CXSIZEFRAME) + right_extra_width) : frame_thickness; + gfx::Size close_button_size = close_button_->GetPreferredSize(); + close_button_->SetBounds(width() - close_button_size.width() - right_spacing, + caption_y, + close_button_size.width() + right_extra_width, + close_button_size.height() + top_extra_height); + + // When the window is restored, we show a maximized button; otherwise, we show + // a restore button. + bool is_restored = !is_maximized && !frame_->IsMinimized(); + views::ImageButton* invisible_button = is_restored ? + restore_button_ : maximize_button_; + invisible_button->SetVisible(false); + + views::ImageButton* visible_button = is_restored ? + maximize_button_ : restore_button_; + FramePartBitmap normal_part, hot_part, pushed_part; + if (should_show_minmax_buttons_) { + visible_button->SetVisible(true); + visible_button->SetImageAlignment(ImageButton::ALIGN_LEFT, + ImageButton::ALIGN_BOTTOM); + gfx::Size visible_button_size = visible_button->GetPreferredSize(); + visible_button->SetBounds(close_button_->x() - visible_button_size.width(), + caption_y, visible_button_size.width(), + visible_button_size.height() + top_extra_height); + + minimize_button_->SetVisible(true); + minimize_button_->SetImageAlignment(ImageButton::ALIGN_LEFT, + ImageButton::ALIGN_BOTTOM); + gfx::Size minimize_button_size = minimize_button_->GetPreferredSize(); + minimize_button_->SetBounds( + visible_button->x() - minimize_button_size.width(), caption_y, + minimize_button_size.width(), + minimize_button_size.height() + top_extra_height); + + normal_part = FRAME_CLOSE_BUTTON_ICON; + hot_part = FRAME_CLOSE_BUTTON_ICON_H; + pushed_part = FRAME_CLOSE_BUTTON_ICON_P; + } else { + visible_button->SetVisible(false); + minimize_button_->SetVisible(false); + + normal_part = FRAME_CLOSE_BUTTON_ICON_SA; + hot_part = FRAME_CLOSE_BUTTON_ICON_SA_H; + pushed_part = FRAME_CLOSE_BUTTON_ICON_SA_P; + } + + close_button_->SetImage(CustomButton::BS_NORMAL, + active_resources_->GetPartBitmap(normal_part)); + close_button_->SetImage(CustomButton::BS_HOT, + active_resources_->GetPartBitmap(hot_part)); + close_button_->SetImage(CustomButton::BS_PUSHED, + active_resources_->GetPartBitmap(pushed_part)); +} + +void CustomFrameView::LayoutTitleBar() { + // Always lay out the icon, even when it's not present, so we can lay out the + // window title based on its position. + int frame_thickness = FrameBorderThickness(); + int icon_x = frame_thickness + kIconLeftSpacing; + + // The usable height of the titlebar area is the total height minus the top + // resize border and any edge area we draw at its bottom. + int title_top_spacing, title_thickness; + int top_height = TitleCoordinates(&title_top_spacing, &title_thickness); + int available_height = top_height - frame_thickness - + BottomEdgeThicknessWithinNonClientHeight(); + + // The icon takes up a constant fraction of the available height, down to a + // minimum size, and is always an even number of pixels on a side (presumably + // to make scaled icons look better). It's centered within the usable height. + int icon_size = std::max((available_height * kIconHeightFractionNumerator / + kIconHeightFractionDenominator) / 2 * 2, kIconMinimumSize); + int icon_y = ((available_height - icon_size) / 2) + frame_thickness; + + // Hack: 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 we come up to compensate. + if (!frame_->IsMaximized()) + icon_y -= kIconRestoredAdjust; + + views::WindowDelegate* d = frame_->GetDelegate(); + if (!d->ShouldShowWindowIcon()) + icon_size = 0; + system_menu_button_->SetBounds(icon_x, icon_y, icon_size, icon_size); + + // Size the title. + int icon_right = icon_x + icon_size; + int title_x = + icon_right + (d->ShouldShowWindowIcon() ? kIconTitleSpacing : 0); + int title_right = (should_show_minmax_buttons_ ? + minimize_button_->x() : close_button_->x()) - kTitleCaptionSpacing; + title_bounds_.SetRect(title_x, + title_top_spacing + ((title_thickness - title_font_.height()) / 2), + std::max(0, title_right - title_x), title_font_.height()); +} + +void CustomFrameView::LayoutClientView() { + 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)); +} + +// static +void CustomFrameView::InitClass() { + static bool initialized = false; + if (!initialized) { + active_resources_ = new ActiveWindowResources; + inactive_resources_ = new InactiveWindowResources; + + title_font_ = win_util::GetWindowTitleFont(); + + initialized = true; + } +} + +} // namespace views |