custom_frame_view.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/views/window/custom_frame_view.h"
6
7#include <algorithm>
8
9#include "base/strings/utf_string_conversions.h"
10#include "grit/ui_resources.h"
11#include "grit/ui_strings.h"
12#include "ui/base/hit_test.h"
13#include "ui/base/l10n/l10n_util.h"
14#include "ui/base/resource/resource_bundle.h"
15#include "ui/gfx/canvas.h"
16#include "ui/gfx/font.h"
17#include "ui/gfx/image/image.h"
18#include "ui/gfx/path.h"
19#include "ui/views/color_constants.h"
20#include "ui/views/controls/button/image_button.h"
21#include "ui/views/views_delegate.h"
22#include "ui/views/widget/widget.h"
23#include "ui/views/widget/widget_delegate.h"
24#include "ui/views/window/client_view.h"
25#include "ui/views/window/frame_background.h"
26#include "ui/views/window/window_resources.h"
27#include "ui/views/window/window_shape.h"
28
29#if defined(USE_AURA)
30#include "ui/views/widget/native_widget_aura.h"
31#elif defined(OS_WIN)
32#include "ui/views/widget/native_widget_win.h"
33#endif
34
35namespace views {
36
37namespace {
38
39// The frame border is only visible in restored mode and is hardcoded to 4 px on
40// each side regardless of the system window border size.
41const int kFrameBorderThickness = 4;
42// In the window corners, the resize areas don't actually expand bigger, but the
43// 16 px at the end of each edge triggers diagonal resizing.
44const int kResizeAreaCornerSize = 16;
45// The titlebar never shrinks too short to show the caption button plus some
46// padding below it.
47const int kCaptionButtonHeightWithPadding = 19;
48// The titlebar has a 2 px 3D edge along the top and bottom.
49const int kTitlebarTopAndBottomEdgeThickness = 2;
50// The icon is inset 2 px from the left frame border.
51const int kIconLeftSpacing = 2;
52// The icon never shrinks below 16 px on a side.
53const int kIconMinimumSize = 16;
54// The space between the window icon and the title text.
55const int kTitleIconOffsetX = 4;
56// The space between the title text and the caption buttons.
57const int kTitleCaptionSpacing = 5;
58
59#if defined(OS_CHROMEOS)
60// Chrome OS uses a dark gray.
61const SkColor kDefaultColorFrame = SkColorSetRGB(109, 109, 109);
62const SkColor kDefaultColorFrameInactive = SkColorSetRGB(176, 176, 176);
63#else
64// Windows and Linux use a blue.
65const SkColor kDefaultColorFrame = SkColorSetRGB(66, 116, 201);
66const SkColor kDefaultColorFrameInactive = SkColorSetRGB(161, 182, 228);
67#endif
68
69const gfx::FontList& GetTitleFontList() {
70  static const gfx::FontList title_font_list =
71#if defined(USE_AURA)
72      NativeWidgetAura::GetWindowTitleFontList();
73#elif defined(OS_WIN)
74      NativeWidgetWin::GetWindowTitleFontList();
75#elif defined(OS_LINUX)
76    // TODO(ben): need to resolve what font this is.
77      gfx::FontList();
78#endif
79  return title_font_list;
80}
81
82}  // namespace
83
84///////////////////////////////////////////////////////////////////////////////
85// CustomFrameView, public:
86
87CustomFrameView::CustomFrameView()
88    : frame_(NULL),
89      window_icon_(NULL),
90      minimize_button_(NULL),
91      maximize_button_(NULL),
92      restore_button_(NULL),
93      close_button_(NULL),
94      should_show_maximize_button_(false),
95      frame_background_(new FrameBackground()) {
96}
97
98CustomFrameView::~CustomFrameView() {
99}
100
101void CustomFrameView::Init(Widget* frame) {
102  frame_ = frame;
103
104  close_button_ = new ImageButton(this);
105  close_button_->SetAccessibleName(
106      l10n_util::GetStringUTF16(IDS_APP_ACCNAME_CLOSE));
107
108  // Close button images will be set in LayoutWindowControls().
109  AddChildView(close_button_);
110
111  minimize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MINIMIZE,
112      IDR_MINIMIZE, IDR_MINIMIZE_H, IDR_MINIMIZE_P);
113
114  maximize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MAXIMIZE,
115      IDR_MAXIMIZE, IDR_MAXIMIZE_H, IDR_MAXIMIZE_P);
116
117  restore_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_RESTORE,
118      IDR_RESTORE, IDR_RESTORE_H, IDR_RESTORE_P);
119
120  should_show_maximize_button_ = frame_->widget_delegate()->CanMaximize();
121
122  if (frame_->widget_delegate()->ShouldShowWindowIcon()) {
123    window_icon_ = new ImageButton(this);
124    AddChildView(window_icon_);
125  }
126}
127
128///////////////////////////////////////////////////////////////////////////////
129// CustomFrameView, NonClientFrameView implementation:
130
131gfx::Rect CustomFrameView::GetBoundsForClientView() const {
132  return client_view_bounds_;
133}
134
135gfx::Rect CustomFrameView::GetWindowBoundsForClientBounds(
136    const gfx::Rect& client_bounds) const {
137  int top_height = NonClientTopBorderHeight();
138  int border_thickness = NonClientBorderThickness();
139  return gfx::Rect(std::max(0, client_bounds.x() - border_thickness),
140                   std::max(0, client_bounds.y() - top_height),
141                   client_bounds.width() + (2 * border_thickness),
142                   client_bounds.height() + top_height + border_thickness);
143}
144
145int CustomFrameView::NonClientHitTest(const gfx::Point& point) {
146  // Sanity check.
147  if (!bounds().Contains(point))
148    return HTNOWHERE;
149
150  int frame_component = frame_->client_view()->NonClientHitTest(point);
151
152  // See if we're in the sysmenu region.  (We check the ClientView first to be
153  // consistent with OpaqueBrowserFrameView; it's not really necessary here.)
154  gfx::Rect sysmenu_rect(IconBounds());
155  // In maximized mode we extend the rect to the screen corner to take advantage
156  // of Fitts' Law.
157  if (frame_->IsMaximized())
158    sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom());
159  sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect));
160  if (sysmenu_rect.Contains(point))
161    return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
162
163  if (frame_component != HTNOWHERE)
164    return frame_component;
165
166  // Then see if the point is within any of the window controls.
167  if (close_button_->GetMirroredBounds().Contains(point))
168    return HTCLOSE;
169  if (restore_button_->GetMirroredBounds().Contains(point))
170    return HTMAXBUTTON;
171  if (maximize_button_->GetMirroredBounds().Contains(point))
172    return HTMAXBUTTON;
173  if (minimize_button_->GetMirroredBounds().Contains(point))
174    return HTMINBUTTON;
175  if (window_icon_ && window_icon_->GetMirroredBounds().Contains(point))
176    return HTSYSMENU;
177
178  int window_component = GetHTComponentForFrame(point, FrameBorderThickness(),
179      NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize,
180      frame_->widget_delegate()->CanResize());
181  // Fall back to the caption if no other component matches.
182  return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
183}
184
185void CustomFrameView::GetWindowMask(const gfx::Size& size,
186                                    gfx::Path* window_mask) {
187  DCHECK(window_mask);
188  if (frame_->IsMaximized() || !ShouldShowTitleBarAndBorder())
189    return;
190
191  GetDefaultWindowMask(size, window_mask);
192}
193
194void CustomFrameView::ResetWindowControls() {
195  restore_button_->SetState(CustomButton::STATE_NORMAL);
196  minimize_button_->SetState(CustomButton::STATE_NORMAL);
197  maximize_button_->SetState(CustomButton::STATE_NORMAL);
198  // The close button isn't affected by this constraint.
199}
200
201void CustomFrameView::UpdateWindowIcon() {
202  if (window_icon_)
203    window_icon_->SchedulePaint();
204}
205
206void CustomFrameView::UpdateWindowTitle() {
207  SchedulePaintInRect(title_bounds_);
208}
209
210///////////////////////////////////////////////////////////////////////////////
211// CustomFrameView, View overrides:
212
213void CustomFrameView::OnPaint(gfx::Canvas* canvas) {
214  if (!ShouldShowTitleBarAndBorder())
215    return;
216
217  if (frame_->IsMaximized())
218    PaintMaximizedFrameBorder(canvas);
219  else
220    PaintRestoredFrameBorder(canvas);
221  PaintTitleBar(canvas);
222  if (ShouldShowClientEdge())
223    PaintRestoredClientEdge(canvas);
224}
225
226void CustomFrameView::Layout() {
227  if (ShouldShowTitleBarAndBorder()) {
228    LayoutWindowControls();
229    LayoutTitleBar();
230  }
231
232  LayoutClientView();
233}
234
235gfx::Size CustomFrameView::GetPreferredSize() {
236  return frame_->non_client_view()->GetWindowBoundsForClientBounds(
237      gfx::Rect(frame_->client_view()->GetPreferredSize())).size();
238}
239
240gfx::Size CustomFrameView::GetMinimumSize() {
241  return frame_->non_client_view()->GetWindowBoundsForClientBounds(
242      gfx::Rect(frame_->client_view()->GetMinimumSize())).size();
243}
244
245gfx::Size CustomFrameView::GetMaximumSize() {
246  gfx::Size max_size = frame_->client_view()->GetMaximumSize();
247  gfx::Size converted_size =
248      frame_->non_client_view()->GetWindowBoundsForClientBounds(
249          gfx::Rect(max_size)).size();
250  return gfx::Size(max_size.width() == 0 ? 0 : converted_size.width(),
251                   max_size.height() == 0 ? 0 : converted_size.height());
252}
253
254///////////////////////////////////////////////////////////////////////////////
255// CustomFrameView, ButtonListener implementation:
256
257void CustomFrameView::ButtonPressed(Button* sender, const ui::Event& event) {
258  if (sender == close_button_)
259    frame_->Close();
260  else if (sender == minimize_button_)
261    frame_->Minimize();
262  else if (sender == maximize_button_)
263    frame_->Maximize();
264  else if (sender == restore_button_)
265    frame_->Restore();
266}
267
268///////////////////////////////////////////////////////////////////////////////
269// CustomFrameView, private:
270
271int CustomFrameView::FrameBorderThickness() const {
272  return frame_->IsMaximized() ? 0 : kFrameBorderThickness;
273}
274
275int CustomFrameView::NonClientBorderThickness() const {
276  // In maximized mode, we don't show a client edge.
277  return FrameBorderThickness() +
278      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
279}
280
281int CustomFrameView::NonClientTopBorderHeight() const {
282  return std::max(FrameBorderThickness() + IconSize(),
283                  CaptionButtonY() + kCaptionButtonHeightWithPadding) +
284      TitlebarBottomThickness();
285}
286
287int CustomFrameView::CaptionButtonY() const {
288  // Maximized buttons start at window top so that even if their images aren't
289  // drawn flush with the screen edge, they still obey Fitts' Law.
290  return frame_->IsMaximized() ? FrameBorderThickness() : kFrameShadowThickness;
291}
292
293int CustomFrameView::TitlebarBottomThickness() const {
294  return kTitlebarTopAndBottomEdgeThickness +
295      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
296}
297
298int CustomFrameView::IconSize() const {
299#if defined(OS_WIN)
300  // This metric scales up if either the titlebar height or the titlebar font
301  // size are increased.
302  return GetSystemMetrics(SM_CYSMICON);
303#else
304  return std::max(GetTitleFontList().GetHeight(), kIconMinimumSize);
305#endif
306}
307
308gfx::Rect CustomFrameView::IconBounds() const {
309  int size = IconSize();
310  int frame_thickness = FrameBorderThickness();
311  // Our frame border has a different "3D look" than Windows'.  Theirs has a
312  // more complex gradient on the top that they push their icon/title below;
313  // then the maximized window cuts this off and the icon/title are centered
314  // in the remaining space.  Because the apparent shape of our border is
315  // simpler, using the same positioning makes things look slightly uncentered
316  // with restored windows, so when the window is restored, instead of
317  // calculating the remaining space from below the frame border, we calculate
318  // from below the 3D edge.
319  int unavailable_px_at_top = frame_->IsMaximized() ?
320      frame_thickness : kTitlebarTopAndBottomEdgeThickness;
321  // When the icon is shorter than the minimum space we reserve for the caption
322  // button, we vertically center it.  We want to bias rounding to put extra
323  // space above the icon, since the 3D edge (+ client edge, for restored
324  // windows) below looks (to the eye) more like additional space than does the
325  // 3D edge (or nothing at all, for maximized windows) above; hence the +1.
326  int y = unavailable_px_at_top + (NonClientTopBorderHeight() -
327      unavailable_px_at_top - size - TitlebarBottomThickness() + 1) / 2;
328  return gfx::Rect(frame_thickness + kIconLeftSpacing, y, size, size);
329}
330
331bool CustomFrameView::ShouldShowTitleBarAndBorder() const {
332  if (ViewsDelegate::views_delegate) {
333    return !ViewsDelegate::views_delegate->WindowManagerProvidesTitleBar(
334                frame_->IsMaximized());
335  }
336
337  return true;
338}
339
340bool CustomFrameView::ShouldShowClientEdge() const {
341  return !frame_->IsMaximized() && ShouldShowTitleBarAndBorder();
342}
343
344void CustomFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) {
345  frame_background_->set_frame_color(GetFrameColor());
346  const gfx::ImageSkia* frame_image = GetFrameImage();
347  frame_background_->set_theme_image(frame_image);
348  frame_background_->set_top_area_height(frame_image->height());
349
350  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
351
352  frame_background_->SetCornerImages(
353      rb.GetImageNamed(IDR_WINDOW_TOP_LEFT_CORNER).ToImageSkia(),
354      rb.GetImageNamed(IDR_WINDOW_TOP_RIGHT_CORNER).ToImageSkia(),
355      rb.GetImageNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER).ToImageSkia(),
356      rb.GetImageNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER).ToImageSkia());
357  frame_background_->SetSideImages(
358      rb.GetImageNamed(IDR_WINDOW_LEFT_SIDE).ToImageSkia(),
359      rb.GetImageNamed(IDR_WINDOW_TOP_CENTER).ToImageSkia(),
360      rb.GetImageNamed(IDR_WINDOW_RIGHT_SIDE).ToImageSkia(),
361      rb.GetImageNamed(IDR_WINDOW_BOTTOM_CENTER).ToImageSkia());
362
363  frame_background_->PaintRestored(canvas, this);
364}
365
366void CustomFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) {
367  const gfx::ImageSkia* frame_image = GetFrameImage();
368  frame_background_->set_theme_image(frame_image);
369  frame_background_->set_top_area_height(frame_image->height());
370  frame_background_->PaintMaximized(canvas, this);
371
372  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
373
374  // TODO(jamescook): Migrate this into FrameBackground.
375  // The bottom of the titlebar actually comes from the top of the Client Edge
376  // graphic, with the actual client edge clipped off the bottom.
377  const gfx::ImageSkia* titlebar_bottom = rb.GetImageNamed(
378      IDR_APP_TOP_CENTER).ToImageSkia();
379  int edge_height = titlebar_bottom->height() -
380      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
381  canvas->TileImageInt(*titlebar_bottom, 0,
382      frame_->client_view()->y() - edge_height, width(), edge_height);
383}
384
385void CustomFrameView::PaintTitleBar(gfx::Canvas* canvas) {
386  WidgetDelegate* delegate = frame_->widget_delegate();
387
388  // It seems like in some conditions we can be asked to paint after the window
389  // that contains us is WM_DESTROYed. At this point, our delegate is NULL. The
390  // correct long term fix may be to shut down the RootView in WM_DESTROY.
391  if (!delegate)
392    return;
393
394  gfx::Rect rect = title_bounds_;
395  rect.set_x(GetMirroredXForRect(title_bounds_));
396  canvas->DrawStringRect(delegate->GetWindowTitle(), GetTitleFontList(),
397                         SK_ColorWHITE, rect);
398}
399
400void CustomFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) {
401  gfx::Rect client_area_bounds = frame_->client_view()->bounds();
402  int client_area_top = client_area_bounds.y();
403
404  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
405
406  // Top: left, center, right sides.
407  const gfx::ImageSkia* top_left = rb.GetImageSkiaNamed(IDR_APP_TOP_LEFT);
408  const gfx::ImageSkia* top_center = rb.GetImageSkiaNamed(IDR_APP_TOP_CENTER);
409  const gfx::ImageSkia* top_right = rb.GetImageSkiaNamed(IDR_APP_TOP_RIGHT);
410  int top_edge_y = client_area_top - top_center->height();
411  canvas->DrawImageInt(*top_left,
412                       client_area_bounds.x() - top_left->width(),
413                       top_edge_y);
414  canvas->TileImageInt(*top_center,
415                       client_area_bounds.x(),
416                       top_edge_y,
417                       client_area_bounds.width(),
418                       top_center->height());
419  canvas->DrawImageInt(*top_right, client_area_bounds.right(), top_edge_y);
420
421  // Right side.
422  const gfx::ImageSkia* right = rb.GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE);
423  int client_area_bottom =
424      std::max(client_area_top, client_area_bounds.bottom());
425  int client_area_height = client_area_bottom - client_area_top;
426  canvas->TileImageInt(*right,
427                       client_area_bounds.right(),
428                       client_area_top,
429                       right->width(),
430                       client_area_height);
431
432  // Bottom: left, center, right sides.
433  const gfx::ImageSkia* bottom_left =
434      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
435  const gfx::ImageSkia* bottom_center =
436      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER);
437  const gfx::ImageSkia* bottom_right =
438      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER);
439
440  canvas->DrawImageInt(*bottom_left,
441                       client_area_bounds.x() - bottom_left->width(),
442                       client_area_bottom);
443
444  canvas->TileImageInt(*bottom_center,
445                       client_area_bounds.x(),
446                       client_area_bottom,
447                       client_area_bounds.width(),
448                       bottom_right->height());
449
450  canvas->DrawImageInt(*bottom_right,
451                       client_area_bounds.right(),
452                       client_area_bottom);
453  // Left side.
454  const gfx::ImageSkia* left = rb.GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE);
455  canvas->TileImageInt(*left,
456                       client_area_bounds.x() - left->width(),
457                       client_area_top,
458                       left->width(),
459                       client_area_height);
460
461  // Draw the color to fill in the edges.
462  canvas->FillRect(gfx::Rect(client_area_bounds.x() - 1,
463                             client_area_top - 1,
464                             client_area_bounds.width() + 1,
465                             client_area_bottom - client_area_top + 1),
466                   kClientEdgeColor);
467}
468
469SkColor CustomFrameView::GetFrameColor() const {
470  return frame_->IsActive() ? kDefaultColorFrame : kDefaultColorFrameInactive;
471}
472
473const gfx::ImageSkia* CustomFrameView::GetFrameImage() const {
474  return ui::ResourceBundle::GetSharedInstance().GetImageNamed(
475      frame_->IsActive() ? IDR_FRAME : IDR_FRAME_INACTIVE).ToImageSkia();
476}
477
478void CustomFrameView::LayoutWindowControls() {
479  close_button_->SetImageAlignment(ImageButton::ALIGN_LEFT,
480                                   ImageButton::ALIGN_BOTTOM);
481  int caption_y = CaptionButtonY();
482  bool is_maximized = frame_->IsMaximized();
483  // There should always be the same number of non-shadow pixels visible to the
484  // side of the caption buttons.  In maximized mode we extend the rightmost
485  // button to the screen corner to obey Fitts' Law.
486  int right_extra_width = is_maximized ?
487      (kFrameBorderThickness - kFrameShadowThickness) : 0;
488  gfx::Size close_button_size = close_button_->GetPreferredSize();
489  close_button_->SetBounds(width() - FrameBorderThickness() -
490      right_extra_width - close_button_size.width(), caption_y,
491      close_button_size.width() + right_extra_width,
492      close_button_size.height());
493
494  // When the window is restored, we show a maximized button; otherwise, we show
495  // a restore button.
496  bool is_restored = !is_maximized && !frame_->IsMinimized();
497  ImageButton* invisible_button = is_restored ? restore_button_
498                                              : maximize_button_;
499  invisible_button->SetVisible(false);
500
501  ImageButton* visible_button = is_restored ? maximize_button_
502                                            : restore_button_;
503  FramePartImage normal_part, hot_part, pushed_part;
504  int next_button_x;
505  if (should_show_maximize_button_) {
506    visible_button->SetVisible(true);
507    visible_button->SetImageAlignment(ImageButton::ALIGN_LEFT,
508                                      ImageButton::ALIGN_BOTTOM);
509    gfx::Size visible_button_size = visible_button->GetPreferredSize();
510    visible_button->SetBounds(close_button_->x() - visible_button_size.width(),
511                              caption_y, visible_button_size.width(),
512                              visible_button_size.height());
513    next_button_x = visible_button->x();
514  } else {
515    visible_button->SetVisible(false);
516    next_button_x = close_button_->x();
517  }
518
519  minimize_button_->SetVisible(true);
520  minimize_button_->SetImageAlignment(ImageButton::ALIGN_LEFT,
521                                      ImageButton::ALIGN_BOTTOM);
522  gfx::Size minimize_button_size = minimize_button_->GetPreferredSize();
523  minimize_button_->SetBounds(
524      next_button_x - minimize_button_size.width(), caption_y,
525      minimize_button_size.width(),
526      minimize_button_size.height());
527
528  normal_part = IDR_CLOSE;
529  hot_part = IDR_CLOSE_H;
530  pushed_part = IDR_CLOSE_P;
531
532  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
533
534  close_button_->SetImage(CustomButton::STATE_NORMAL,
535                          rb.GetImageNamed(normal_part).ToImageSkia());
536  close_button_->SetImage(CustomButton::STATE_HOVERED,
537                          rb.GetImageNamed(hot_part).ToImageSkia());
538  close_button_->SetImage(CustomButton::STATE_PRESSED,
539                          rb.GetImageNamed(pushed_part).ToImageSkia());
540}
541
542void CustomFrameView::LayoutTitleBar() {
543  // The window title position is calculated based on the icon position, even
544  // when there is no icon.
545  gfx::Rect icon_bounds(IconBounds());
546  bool show_window_icon = window_icon_ != NULL;
547  if (show_window_icon)
548    window_icon_->SetBoundsRect(icon_bounds);
549
550  // The offset between the window left edge and the title text.
551  int title_x = show_window_icon ? icon_bounds.right() + kTitleIconOffsetX
552                                 : icon_bounds.x();
553  int title_height = GetTitleFontList().GetHeight();
554  // We bias the title position so that when the difference between the icon and
555  // title heights is odd, the extra pixel of the title is above the vertical
556  // midline rather than below.  This compensates for how the icon is already
557  // biased downwards (see IconBounds()) and helps prevent descenders on the
558  // title from overlapping the 3D edge at the bottom of the titlebar.
559  title_bounds_.SetRect(title_x,
560      icon_bounds.y() + ((icon_bounds.height() - title_height - 1) / 2),
561      std::max(0, minimize_button_->x() - kTitleCaptionSpacing -
562      title_x), title_height);
563}
564
565void CustomFrameView::LayoutClientView() {
566  if (!ShouldShowTitleBarAndBorder()) {
567    client_view_bounds_ = bounds();
568    return;
569  }
570
571  int top_height = NonClientTopBorderHeight();
572  int border_thickness = NonClientBorderThickness();
573  client_view_bounds_.SetRect(border_thickness, top_height,
574      std::max(0, width() - (2 * border_thickness)),
575      std::max(0, height() - top_height - border_thickness));
576}
577
578ImageButton* CustomFrameView::InitWindowCaptionButton(
579    int accessibility_string_id,
580    int normal_image_id,
581    int hot_image_id,
582    int pushed_image_id) {
583  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
584  ImageButton* button = new ImageButton(this);
585  button->SetAccessibleName(l10n_util::GetStringUTF16(accessibility_string_id));
586  button->SetImage(CustomButton::STATE_NORMAL,
587                   rb.GetImageNamed(normal_image_id).ToImageSkia());
588  button->SetImage(CustomButton::STATE_HOVERED,
589                   rb.GetImageNamed(hot_image_id).ToImageSkia());
590  button->SetImage(CustomButton::STATE_PRESSED,
591                   rb.GetImageNamed(pushed_image_id).ToImageSkia());
592  AddChildView(button);
593  return button;
594}
595
596}  // namespace views
597