custom_frame_view.cc revision 23730a6e56a168d1879203e4b3819bb36e3d8f1f 
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/native_widget_aura.h"
23#include "ui/views/widget/widget.h"
24#include "ui/views/widget/widget_delegate.h"
25#include "ui/views/window/client_view.h"
26#include "ui/views/window/frame_background.h"
27#include "ui/views/window/window_resources.h"
28#include "ui/views/window/window_shape.h"
29
30namespace views {
31
32namespace {
33
34// The frame border is only visible in restored mode and is hardcoded to 4 px on
35// each side regardless of the system window border size.
36const int kFrameBorderThickness = 4;
37// In the window corners, the resize areas don't actually expand bigger, but the
38// 16 px at the end of each edge triggers diagonal resizing.
39const int kResizeAreaCornerSize = 16;
40// The titlebar never shrinks too short to show the caption button plus some
41// padding below it.
42const int kCaptionButtonHeightWithPadding = 19;
43// The titlebar has a 2 px 3D edge along the top and bottom.
44const int kTitlebarTopAndBottomEdgeThickness = 2;
45// The icon is inset 2 px from the left frame border.
46const int kIconLeftSpacing = 2;
47// The icon never shrinks below 16 px on a side.
48const int kIconMinimumSize = 16;
49// The space between the window icon and the title text.
50const int kTitleIconOffsetX = 4;
51// The space between the title text and the caption buttons.
52const int kTitleCaptionSpacing = 5;
53
54#if defined(OS_CHROMEOS)
55// Chrome OS uses a dark gray.
56const SkColor kDefaultColorFrame = SkColorSetRGB(109, 109, 109);
57const SkColor kDefaultColorFrameInactive = SkColorSetRGB(176, 176, 176);
58#else
59// Windows and Linux use a blue.
60const SkColor kDefaultColorFrame = SkColorSetRGB(66, 116, 201);
61const SkColor kDefaultColorFrameInactive = SkColorSetRGB(161, 182, 228);
62#endif
63
64const gfx::FontList& GetTitleFontList() {
65  static const gfx::FontList title_font_list =
66      NativeWidgetAura::GetWindowTitleFontList();
67  return title_font_list;
68}
69
70}  // namespace
71
72///////////////////////////////////////////////////////////////////////////////
73// CustomFrameView, public:
74
75CustomFrameView::CustomFrameView()
76    : frame_(NULL),
77      window_icon_(NULL),
78      minimize_button_(NULL),
79      maximize_button_(NULL),
80      restore_button_(NULL),
81      close_button_(NULL),
82      should_show_maximize_button_(false),
83      frame_background_(new FrameBackground()) {
84}
85
86CustomFrameView::~CustomFrameView() {
87}
88
89void CustomFrameView::Init(Widget* frame) {
90  frame_ = frame;
91
92  close_button_ = new ImageButton(this);
93  close_button_->SetAccessibleName(
94      l10n_util::GetStringUTF16(IDS_APP_ACCNAME_CLOSE));
95
96  // Close button images will be set in LayoutWindowControls().
97  AddChildView(close_button_);
98
99  minimize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MINIMIZE,
100      IDR_MINIMIZE, IDR_MINIMIZE_H, IDR_MINIMIZE_P);
101
102  maximize_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_MAXIMIZE,
103      IDR_MAXIMIZE, IDR_MAXIMIZE_H, IDR_MAXIMIZE_P);
104
105  restore_button_ = InitWindowCaptionButton(IDS_APP_ACCNAME_RESTORE,
106      IDR_RESTORE, IDR_RESTORE_H, IDR_RESTORE_P);
107
108  should_show_maximize_button_ = frame_->widget_delegate()->CanMaximize();
109
110  if (frame_->widget_delegate()->ShouldShowWindowIcon()) {
111    window_icon_ = new ImageButton(this);
112    AddChildView(window_icon_);
113  }
114}
115
116///////////////////////////////////////////////////////////////////////////////
117// CustomFrameView, NonClientFrameView implementation:
118
119gfx::Rect CustomFrameView::GetBoundsForClientView() const {
120  return client_view_bounds_;
121}
122
123gfx::Rect CustomFrameView::GetWindowBoundsForClientBounds(
124    const gfx::Rect& client_bounds) const {
125  int top_height = NonClientTopBorderHeight();
126  int border_thickness = NonClientBorderThickness();
127  return gfx::Rect(client_bounds.x() - border_thickness,
128                   client_bounds.y() - top_height,
129                   client_bounds.width() + (2 * border_thickness),
130                   client_bounds.height() + top_height + border_thickness);
131}
132
133int CustomFrameView::NonClientHitTest(const gfx::Point& point) {
134  // Sanity check.
135  if (!bounds().Contains(point))
136    return HTNOWHERE;
137
138  int frame_component = frame_->client_view()->NonClientHitTest(point);
139
140  // See if we're in the sysmenu region.  (We check the ClientView first to be
141  // consistent with OpaqueBrowserFrameView; it's not really necessary here.)
142  gfx::Rect sysmenu_rect(IconBounds());
143  // In maximized mode we extend the rect to the screen corner to take advantage
144  // of Fitts' Law.
145  if (frame_->IsMaximized())
146    sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom());
147  sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect));
148  if (sysmenu_rect.Contains(point))
149    return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
150
151  if (frame_component != HTNOWHERE)
152    return frame_component;
153
154  // Then see if the point is within any of the window controls.
155  if (close_button_->GetMirroredBounds().Contains(point))
156    return HTCLOSE;
157  if (restore_button_->GetMirroredBounds().Contains(point))
158    return HTMAXBUTTON;
159  if (maximize_button_->GetMirroredBounds().Contains(point))
160    return HTMAXBUTTON;
161  if (minimize_button_->GetMirroredBounds().Contains(point))
162    return HTMINBUTTON;
163  if (window_icon_ && window_icon_->GetMirroredBounds().Contains(point))
164    return HTSYSMENU;
165
166  int window_component = GetHTComponentForFrame(point, FrameBorderThickness(),
167      NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize,
168      frame_->widget_delegate()->CanResize());
169  // Fall back to the caption if no other component matches.
170  return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
171}
172
173void CustomFrameView::GetWindowMask(const gfx::Size& size,
174                                    gfx::Path* window_mask) {
175  DCHECK(window_mask);
176  if (frame_->IsMaximized() || !ShouldShowTitleBarAndBorder())
177    return;
178
179  GetDefaultWindowMask(size, window_mask);
180}
181
182void CustomFrameView::ResetWindowControls() {
183  restore_button_->SetState(CustomButton::STATE_NORMAL);
184  minimize_button_->SetState(CustomButton::STATE_NORMAL);
185  maximize_button_->SetState(CustomButton::STATE_NORMAL);
186  // The close button isn't affected by this constraint.
187}
188
189void CustomFrameView::UpdateWindowIcon() {
190  if (window_icon_)
191    window_icon_->SchedulePaint();
192}
193
194void CustomFrameView::UpdateWindowTitle() {
195  SchedulePaintInRect(title_bounds_);
196}
197
198///////////////////////////////////////////////////////////////////////////////
199// CustomFrameView, View overrides:
200
201void CustomFrameView::OnPaint(gfx::Canvas* canvas) {
202  if (!ShouldShowTitleBarAndBorder())
203    return;
204
205  if (frame_->IsMaximized())
206    PaintMaximizedFrameBorder(canvas);
207  else
208    PaintRestoredFrameBorder(canvas);
209  PaintTitleBar(canvas);
210  if (ShouldShowClientEdge())
211    PaintRestoredClientEdge(canvas);
212}
213
214void CustomFrameView::Layout() {
215  if (ShouldShowTitleBarAndBorder()) {
216    LayoutWindowControls();
217    LayoutTitleBar();
218  }
219
220  LayoutClientView();
221}
222
223gfx::Size CustomFrameView::GetPreferredSize() {
224  return frame_->non_client_view()->GetWindowBoundsForClientBounds(
225      gfx::Rect(frame_->client_view()->GetPreferredSize())).size();
226}
227
228gfx::Size CustomFrameView::GetMinimumSize() {
229  return frame_->non_client_view()->GetWindowBoundsForClientBounds(
230      gfx::Rect(frame_->client_view()->GetMinimumSize())).size();
231}
232
233gfx::Size CustomFrameView::GetMaximumSize() {
234  gfx::Size max_size = frame_->client_view()->GetMaximumSize();
235  gfx::Size converted_size =
236      frame_->non_client_view()->GetWindowBoundsForClientBounds(
237          gfx::Rect(max_size)).size();
238  return gfx::Size(max_size.width() == 0 ? 0 : converted_size.width(),
239                   max_size.height() == 0 ? 0 : converted_size.height());
240}
241
242///////////////////////////////////////////////////////////////////////////////
243// CustomFrameView, ButtonListener implementation:
244
245void CustomFrameView::ButtonPressed(Button* sender, const ui::Event& event) {
246  if (sender == close_button_)
247    frame_->Close();
248  else if (sender == minimize_button_)
249    frame_->Minimize();
250  else if (sender == maximize_button_)
251    frame_->Maximize();
252  else if (sender == restore_button_)
253    frame_->Restore();
254}
255
256///////////////////////////////////////////////////////////////////////////////
257// CustomFrameView, private:
258
259int CustomFrameView::FrameBorderThickness() const {
260  return frame_->IsMaximized() ? 0 : kFrameBorderThickness;
261}
262
263int CustomFrameView::NonClientBorderThickness() const {
264  // In maximized mode, we don't show a client edge.
265  return FrameBorderThickness() +
266      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
267}
268
269int CustomFrameView::NonClientTopBorderHeight() const {
270  return std::max(FrameBorderThickness() + IconSize(),
271                  CaptionButtonY() + kCaptionButtonHeightWithPadding) +
272      TitlebarBottomThickness();
273}
274
275int CustomFrameView::CaptionButtonY() const {
276  // Maximized buttons start at window top so that even if their images aren't
277  // drawn flush with the screen edge, they still obey Fitts' Law.
278  return frame_->IsMaximized() ? FrameBorderThickness() : kFrameShadowThickness;
279}
280
281int CustomFrameView::TitlebarBottomThickness() const {
282  return kTitlebarTopAndBottomEdgeThickness +
283      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
284}
285
286int CustomFrameView::IconSize() const {
287#if defined(OS_WIN)
288  // This metric scales up if either the titlebar height or the titlebar font
289  // size are increased.
290  return GetSystemMetrics(SM_CYSMICON);
291#else
292  return std::max(GetTitleFontList().GetHeight(), kIconMinimumSize);
293#endif
294}
295
296gfx::Rect CustomFrameView::IconBounds() const {
297  int size = IconSize();
298  int frame_thickness = FrameBorderThickness();
299  // Our frame border has a different "3D look" than Windows'.  Theirs has a
300  // more complex gradient on the top that they push their icon/title below;
301  // then the maximized window cuts this off and the icon/title are centered
302  // in the remaining space.  Because the apparent shape of our border is
303  // simpler, using the same positioning makes things look slightly uncentered
304  // with restored windows, so when the window is restored, instead of
305  // calculating the remaining space from below the frame border, we calculate
306  // from below the 3D edge.
307  int unavailable_px_at_top = frame_->IsMaximized() ?
308      frame_thickness : kTitlebarTopAndBottomEdgeThickness;
309  // When the icon is shorter than the minimum space we reserve for the caption
310  // button, we vertically center it.  We want to bias rounding to put extra
311  // space above the icon, since the 3D edge (+ client edge, for restored
312  // windows) below looks (to the eye) more like additional space than does the
313  // 3D edge (or nothing at all, for maximized windows) above; hence the +1.
314  int y = unavailable_px_at_top + (NonClientTopBorderHeight() -
315      unavailable_px_at_top - size - TitlebarBottomThickness() + 1) / 2;
316  return gfx::Rect(frame_thickness + kIconLeftSpacing, y, size, size);
317}
318
319bool CustomFrameView::ShouldShowTitleBarAndBorder() const {
320  if (frame_->IsFullscreen())
321    return false;
322
323  if (ViewsDelegate::views_delegate) {
324    return !ViewsDelegate::views_delegate->WindowManagerProvidesTitleBar(
325                frame_->IsMaximized());
326  }
327
328  return true;
329}
330
331bool CustomFrameView::ShouldShowClientEdge() const {
332  return !frame_->IsMaximized() && ShouldShowTitleBarAndBorder();
333}
334
335void CustomFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) {
336  frame_background_->set_frame_color(GetFrameColor());
337  const gfx::ImageSkia* frame_image = GetFrameImage();
338  frame_background_->set_theme_image(frame_image);
339  frame_background_->set_top_area_height(frame_image->height());
340
341  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
342
343  frame_background_->SetCornerImages(
344      rb.GetImageNamed(IDR_WINDOW_TOP_LEFT_CORNER).ToImageSkia(),
345      rb.GetImageNamed(IDR_WINDOW_TOP_RIGHT_CORNER).ToImageSkia(),
346      rb.GetImageNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER).ToImageSkia(),
347      rb.GetImageNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER).ToImageSkia());
348  frame_background_->SetSideImages(
349      rb.GetImageNamed(IDR_WINDOW_LEFT_SIDE).ToImageSkia(),
350      rb.GetImageNamed(IDR_WINDOW_TOP_CENTER).ToImageSkia(),
351      rb.GetImageNamed(IDR_WINDOW_RIGHT_SIDE).ToImageSkia(),
352      rb.GetImageNamed(IDR_WINDOW_BOTTOM_CENTER).ToImageSkia());
353
354  frame_background_->PaintRestored(canvas, this);
355}
356
357void CustomFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) {
358  const gfx::ImageSkia* frame_image = GetFrameImage();
359  frame_background_->set_theme_image(frame_image);
360  frame_background_->set_top_area_height(frame_image->height());
361  frame_background_->PaintMaximized(canvas, this);
362
363  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
364
365  // TODO(jamescook): Migrate this into FrameBackground.
366  // The bottom of the titlebar actually comes from the top of the Client Edge
367  // graphic, with the actual client edge clipped off the bottom.
368  const gfx::ImageSkia* titlebar_bottom = rb.GetImageNamed(
369      IDR_APP_TOP_CENTER).ToImageSkia();
370  int edge_height = titlebar_bottom->height() -
371      (ShouldShowClientEdge() ? kClientEdgeThickness : 0);
372  canvas->TileImageInt(*titlebar_bottom, 0,
373      frame_->client_view()->y() - edge_height, width(), edge_height);
374}
375
376void CustomFrameView::PaintTitleBar(gfx::Canvas* canvas) {
377  WidgetDelegate* delegate = frame_->widget_delegate();
378
379  // It seems like in some conditions we can be asked to paint after the window
380  // that contains us is WM_DESTROYed. At this point, our delegate is NULL. The
381  // correct long term fix may be to shut down the RootView in WM_DESTROY.
382  if (!delegate)
383    return;
384
385  gfx::Rect rect = title_bounds_;
386  rect.set_x(GetMirroredXForRect(title_bounds_));
387  canvas->DrawStringRect(delegate->GetWindowTitle(), GetTitleFontList(),
388                         SK_ColorWHITE, rect);
389}
390
391void CustomFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) {
392  gfx::Rect client_area_bounds = frame_->client_view()->bounds();
393  int client_area_top = client_area_bounds.y();
394
395  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
396
397  // Top: left, center, right sides.
398  const gfx::ImageSkia* top_left = rb.GetImageSkiaNamed(IDR_APP_TOP_LEFT);
399  const gfx::ImageSkia* top_center = rb.GetImageSkiaNamed(IDR_APP_TOP_CENTER);
400  const gfx::ImageSkia* top_right = rb.GetImageSkiaNamed(IDR_APP_TOP_RIGHT);
401  int top_edge_y = client_area_top - top_center->height();
402  canvas->DrawImageInt(*top_left,
403                       client_area_bounds.x() - top_left->width(),
404                       top_edge_y);
405  canvas->TileImageInt(*top_center,
406                       client_area_bounds.x(),
407                       top_edge_y,
408                       client_area_bounds.width(),
409                       top_center->height());
410  canvas->DrawImageInt(*top_right, client_area_bounds.right(), top_edge_y);
411
412  // Right side.
413  const gfx::ImageSkia* right = rb.GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE);
414  int client_area_bottom =
415      std::max(client_area_top, client_area_bounds.bottom());
416  int client_area_height = client_area_bottom - client_area_top;
417  canvas->TileImageInt(*right,
418                       client_area_bounds.right(),
419                       client_area_top,
420                       right->width(),
421                       client_area_height);
422
423  // Bottom: left, center, right sides.
424  const gfx::ImageSkia* bottom_left =
425      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
426  const gfx::ImageSkia* bottom_center =
427      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER);
428  const gfx::ImageSkia* bottom_right =
429      rb.GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER);
430
431  canvas->DrawImageInt(*bottom_left,
432                       client_area_bounds.x() - bottom_left->width(),
433                       client_area_bottom);
434
435  canvas->TileImageInt(*bottom_center,
436                       client_area_bounds.x(),
437                       client_area_bottom,
438                       client_area_bounds.width(),
439                       bottom_right->height());
440
441  canvas->DrawImageInt(*bottom_right,
442                       client_area_bounds.right(),
443                       client_area_bottom);
444  // Left side.
445  const gfx::ImageSkia* left = rb.GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE);
446  canvas->TileImageInt(*left,
447                       client_area_bounds.x() - left->width(),
448                       client_area_top,
449                       left->width(),
450                       client_area_height);
451
452  // Draw the color to fill in the edges.
453  canvas->FillRect(gfx::Rect(client_area_bounds.x() - 1,
454                             client_area_top - 1,
455                             client_area_bounds.width() + 1,
456                             client_area_bottom - client_area_top + 1),
457                   kClientEdgeColor);
458}
459
460SkColor CustomFrameView::GetFrameColor() const {
461  return frame_->IsActive() ? kDefaultColorFrame : kDefaultColorFrameInactive;
462}
463
464const gfx::ImageSkia* CustomFrameView::GetFrameImage() const {
465  return ui::ResourceBundle::GetSharedInstance().GetImageNamed(
466      frame_->IsActive() ? IDR_FRAME : IDR_FRAME_INACTIVE).ToImageSkia();
467}
468
469void CustomFrameView::LayoutWindowControls() {
470  close_button_->SetImageAlignment(ImageButton::ALIGN_LEFT,
471                                   ImageButton::ALIGN_BOTTOM);
472  int caption_y = CaptionButtonY();
473  bool is_maximized = frame_->IsMaximized();
474  // There should always be the same number of non-shadow pixels visible to the
475  // side of the caption buttons.  In maximized mode we extend the rightmost
476  // button to the screen corner to obey Fitts' Law.
477  int right_extra_width = is_maximized ?
478      (kFrameBorderThickness - kFrameShadowThickness) : 0;
479  gfx::Size close_button_size = close_button_->GetPreferredSize();
480  close_button_->SetBounds(width() - FrameBorderThickness() -
481      right_extra_width - close_button_size.width(), caption_y,
482      close_button_size.width() + right_extra_width,
483      close_button_size.height());
484
485  // When the window is restored, we show a maximized button; otherwise, we show
486  // a restore button.
487  bool is_restored = !is_maximized && !frame_->IsMinimized();
488  ImageButton* invisible_button = is_restored ? restore_button_
489                                              : maximize_button_;
490  invisible_button->SetVisible(false);
491
492  ImageButton* visible_button = is_restored ? maximize_button_
493                                            : restore_button_;
494  FramePartImage normal_part, hot_part, pushed_part;
495  int next_button_x;
496  if (should_show_maximize_button_) {
497    visible_button->SetVisible(true);
498    visible_button->SetImageAlignment(ImageButton::ALIGN_LEFT,
499                                      ImageButton::ALIGN_BOTTOM);
500    gfx::Size visible_button_size = visible_button->GetPreferredSize();
501    visible_button->SetBounds(close_button_->x() - visible_button_size.width(),
502                              caption_y, visible_button_size.width(),
503                              visible_button_size.height());
504    next_button_x = visible_button->x();
505  } else {
506    visible_button->SetVisible(false);
507    next_button_x = close_button_->x();
508  }
509
510  minimize_button_->SetVisible(true);
511  minimize_button_->SetImageAlignment(ImageButton::ALIGN_LEFT,
512                                      ImageButton::ALIGN_BOTTOM);
513  gfx::Size minimize_button_size = minimize_button_->GetPreferredSize();
514  minimize_button_->SetBounds(
515      next_button_x - minimize_button_size.width(), caption_y,
516      minimize_button_size.width(),
517      minimize_button_size.height());
518
519  normal_part = IDR_CLOSE;
520  hot_part = IDR_CLOSE_H;
521  pushed_part = IDR_CLOSE_P;
522
523  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
524
525  close_button_->SetImage(CustomButton::STATE_NORMAL,
526                          rb.GetImageNamed(normal_part).ToImageSkia());
527  close_button_->SetImage(CustomButton::STATE_HOVERED,
528                          rb.GetImageNamed(hot_part).ToImageSkia());
529  close_button_->SetImage(CustomButton::STATE_PRESSED,
530                          rb.GetImageNamed(pushed_part).ToImageSkia());
531}
532
533void CustomFrameView::LayoutTitleBar() {
534  // The window title position is calculated based on the icon position, even
535  // when there is no icon.
536  gfx::Rect icon_bounds(IconBounds());
537  bool show_window_icon = window_icon_ != NULL;
538  if (show_window_icon)
539    window_icon_->SetBoundsRect(icon_bounds);
540
541  // The offset between the window left edge and the title text.
542  int title_x = show_window_icon ? icon_bounds.right() + kTitleIconOffsetX
543                                 : icon_bounds.x();
544  int title_height = GetTitleFontList().GetHeight();
545  // We bias the title position so that when the difference between the icon and
546  // title heights is odd, the extra pixel of the title is above the vertical
547  // midline rather than below.  This compensates for how the icon is already
548  // biased downwards (see IconBounds()) and helps prevent descenders on the
549  // title from overlapping the 3D edge at the bottom of the titlebar.
550  title_bounds_.SetRect(title_x,
551      icon_bounds.y() + ((icon_bounds.height() - title_height - 1) / 2),
552      std::max(0, minimize_button_->x() - kTitleCaptionSpacing -
553      title_x), title_height);
554}
555
556void CustomFrameView::LayoutClientView() {
557  if (!ShouldShowTitleBarAndBorder()) {
558    client_view_bounds_ = bounds();
559    return;
560  }
561
562  int top_height = NonClientTopBorderHeight();
563  int border_thickness = NonClientBorderThickness();
564  client_view_bounds_.SetRect(border_thickness, top_height,
565      std::max(0, width() - (2 * border_thickness)),
566      std::max(0, height() - top_height - border_thickness));
567}
568
569ImageButton* CustomFrameView::InitWindowCaptionButton(
570    int accessibility_string_id,
571    int normal_image_id,
572    int hot_image_id,
573    int pushed_image_id) {
574  ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
575  ImageButton* button = new ImageButton(this);
576  button->SetAccessibleName(l10n_util::GetStringUTF16(accessibility_string_id));
577  button->SetImage(CustomButton::STATE_NORMAL,
578                   rb.GetImageNamed(normal_image_id).ToImageSkia());
579  button->SetImage(CustomButton::STATE_HOVERED,
580                   rb.GetImageNamed(hot_image_id).ToImageSkia());
581  button->SetImage(CustomButton::STATE_PRESSED,
582                   rb.GetImageNamed(pushed_image_id).ToImageSkia());
583  AddChildView(button);
584  return button;
585}
586
587}  // namespace views
588