chrome/browser/ui/views/frame/opaque_browser_frame_view.cc

   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 "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/strings/utf_string_conversions.h"
  13 #include "chrome/browser/chrome_notification_types.h"
  14 #include "chrome/browser/profiles/profiles_state.h"
  15 #include "chrome/browser/themes/theme_properties.h"
  16 #include "chrome/browser/ui/views/frame/browser_frame.h"
  17 #include "chrome/browser/ui/views/frame/browser_view.h"
  18 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
  19 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_platform_specific.h"
  20 #include "chrome/browser/ui/views/profiles/avatar_label.h"
  21 #include "chrome/browser/ui/views/profiles/avatar_menu_button.h"
  22 #include "chrome/browser/ui/views/profiles/new_avatar_button.h"
  23 #include "chrome/browser/ui/views/tab_icon_view.h"
  24 #include "chrome/browser/ui/views/tabs/tab_strip.h"
  25 #include "chrome/browser/ui/views/theme_image_mapper.h"
  26 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
  27 #include "chrome/common/pref_names.h"
  28 #include "components/signin/core/common/profile_management_switches.h"
  29 #include "content/public/browser/notification_service.h"
  30 #include "content/public/browser/web_contents.h"
  31 #include "grit/chromium_strings.h"
  32 #include "grit/generated_resources.h"
  33 #include "grit/theme_resources.h"
  34 #include "grit/ui_resources.h"
  35 #include "ui/accessibility/ax_view_state.h"
  36 #include "ui/base/hit_test.h"
  37 #include "ui/base/l10n/l10n_util.h"
  38 #include "ui/base/resource/resource_bundle.h"
  39 #include "ui/base/theme_provider.h"
  40 #include "ui/gfx/canvas.h"
  41 #include "ui/gfx/font_list.h"
  42 #include "ui/gfx/image/image.h"
  43 #include "ui/gfx/image/image_skia.h"
  44 #include "ui/gfx/path.h"
  45 #include "ui/gfx/rect_conversions.h"
  46 #include "ui/views/controls/button/image_button.h"
  47 #include "ui/views/controls/image_view.h"
  48 #include "ui/views/controls/label.h"
  49 #include "ui/views/layout/layout_constants.h"
  50 #include "ui/views/views_delegate.h"
  51 #include "ui/views/widget/root_view.h"
  52 #include "ui/views/window/frame_background.h"
  53 #include "ui/views/window/window_shape.h"
  54
  55 #if defined(OS_LINUX)
  56 #include "ui/views/controls/menu/menu_runner.h"
  57 #endif
  58
  59 using content::WebContents;
  60
  61 namespace {
  62
  63 // While resize areas on Windows are normally the same size as the window
  64 // borders, our top area is shrunk by 1 px to make it easier to move the window
  65 // around with our thinner top grabbable strip.  (Incidentally, our side and
  66 // bottom resize areas don't match the frame border thickness either -- they
  67 // span the whole nonclient area, so there's no "dead zone" for the mouse.)
  68 const int kTopResizeAdjust = 1;
  69
  70 // In the window corners, the resize areas don't actually expand bigger, but the
  71 // 16 px at the end of each edge triggers diagonal resizing.
  72 const int kResizeAreaCornerSize = 16;
  73
  74 // The content left/right images have a shadow built into them.
  75 const int kContentEdgeShadowThickness = 2;
  76
  77 // The icon never shrinks below 16 px on a side.
  78 const int kIconMinimumSize = 16;
  79
  80 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  81 // The number of pixels to move the frame background image upwards when using
  82 // the GTK+ theme and the titlebar is condensed.
  83 const int kGTKThemeCondensedFrameTopInset = 15;
  84 #endif
  85
  86 }  // namespace
  87
  88 ///////////////////////////////////////////////////////////////////////////////
  89 // OpaqueBrowserFrameView, public:
  90
  91 OpaqueBrowserFrameView::OpaqueBrowserFrameView(BrowserFrame* frame,
  92                                                BrowserView* browser_view)
  93     : BrowserNonClientFrameView(frame, browser_view),
  94       layout_(new OpaqueBrowserFrameViewLayout(this)),
  95       minimize_button_(NULL),
  96       maximize_button_(NULL),
  97       restore_button_(NULL),
  98       close_button_(NULL),
  99       window_icon_(NULL),
 100       window_title_(NULL),
 101       frame_background_(new views::FrameBackground()) {
 102   SetLayoutManager(layout_);
 103
 104   minimize_button_ = InitWindowCaptionButton(IDR_MINIMIZE,
 105                                              IDR_MINIMIZE_H,
 106                                              IDR_MINIMIZE_P,
 107                                              IDR_MINIMIZE_BUTTON_MASK,
 108                                              IDS_ACCNAME_MINIMIZE,
 109                                              VIEW_ID_MINIMIZE_BUTTON);
 110   maximize_button_ = InitWindowCaptionButton(IDR_MAXIMIZE,
 111                                              IDR_MAXIMIZE_H,
 112                                              IDR_MAXIMIZE_P,
 113                                              IDR_MAXIMIZE_BUTTON_MASK,
 114                                              IDS_ACCNAME_MAXIMIZE,
 115                                              VIEW_ID_MAXIMIZE_BUTTON);
 116   restore_button_ = InitWindowCaptionButton(IDR_RESTORE,
 117                                             IDR_RESTORE_H,
 118                                             IDR_RESTORE_P,
 119                                             IDR_RESTORE_BUTTON_MASK,
 120                                             IDS_ACCNAME_RESTORE,
 121                                             VIEW_ID_RESTORE_BUTTON);
 122   close_button_ = InitWindowCaptionButton(IDR_CLOSE,
 123                                           IDR_CLOSE_H,
 124                                           IDR_CLOSE_P,
 125                                           IDR_CLOSE_BUTTON_MASK,
 126                                           IDS_ACCNAME_CLOSE,
 127                                           VIEW_ID_CLOSE_BUTTON);
 128
 129   // Initializing the TabIconView is expensive, so only do it if we need to.
 130   if (browser_view->ShouldShowWindowIcon()) {
 131     window_icon_ = new TabIconView(this, this);
 132     window_icon_->set_is_light(true);
 133     window_icon_->set_id(VIEW_ID_WINDOW_ICON);
 134     AddChildView(window_icon_);
 135     window_icon_->Update();
 136   }
 137
 138   window_title_ = new views::Label(
 139       browser_view->GetWindowTitle(),
 140       gfx::FontList(BrowserFrame::GetTitleFontList()));
 141   window_title_->SetVisible(browser_view->ShouldShowWindowTitle());
 142   window_title_->SetEnabledColor(SK_ColorWHITE);
 143   // TODO(msw): Use a transparent background color as a workaround to use the
 144   // gfx::Canvas::NO_SUBPIXEL_RENDERING flag and avoid some visual artifacts.
 145   window_title_->SetBackgroundColor(0x00000000);
 146   window_title_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 147   window_title_->set_id(VIEW_ID_WINDOW_TITLE);
 148   AddChildView(window_title_);
 149
 150   if (browser_view->IsRegularOrGuestSession() && switches::IsNewAvatarMenu())
 151     UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 152   else
 153     UpdateAvatarInfo();
 154
 155   if (!browser_view->IsOffTheRecord()) {
 156     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 157                    content::NotificationService::AllSources());
 158   }
 159
 160   platform_observer_.reset(OpaqueBrowserFrameViewPlatformSpecific::Create(
 161       this, layout_, browser_view->browser()->profile()));
 162 }
 163
 164 OpaqueBrowserFrameView::~OpaqueBrowserFrameView() {
 165 }
 166
 167 ///////////////////////////////////////////////////////////////////////////////
 168 // OpaqueBrowserFrameView, BrowserNonClientFrameView implementation:
 169
 170 gfx::Rect OpaqueBrowserFrameView::GetBoundsForTabStrip(
 171     views::View* tabstrip) const {
 172   if (!tabstrip)
 173     return gfx::Rect();
 174
 175   return layout_->GetBoundsForTabStrip(tabstrip->GetPreferredSize(), width());
 176 }
 177
 178 int OpaqueBrowserFrameView::GetTopInset() const {
 179   return browser_view()->IsTabStripVisible() ?
 180       layout_->GetTabStripInsetsTop(false) :
 181       layout_->NonClientTopBorderHeight(false);
 182 }
 183
 184 int OpaqueBrowserFrameView::GetThemeBackgroundXInset() const {
 185   return 0;
 186 }
 187
 188 void OpaqueBrowserFrameView::UpdateThrobber(bool running) {
 189   if (window_icon_)
 190     window_icon_->Update();
 191 }
 192
 193 gfx::Size OpaqueBrowserFrameView::GetMinimumSize() const {
 194   return layout_->GetMinimumSize(width());
 195 }
 196
 197 ///////////////////////////////////////////////////////////////////////////////
 198 // OpaqueBrowserFrameView, views::NonClientFrameView implementation:
 199
 200 gfx::Rect OpaqueBrowserFrameView::GetBoundsForClientView() const {
 201   return layout_->client_view_bounds();
 202 }
 203
 204 gfx::Rect OpaqueBrowserFrameView::GetWindowBoundsForClientBounds(
 205     const gfx::Rect& client_bounds) const {
 206   return layout_->GetWindowBoundsForClientBounds(client_bounds);
 207 }
 208
 209 int OpaqueBrowserFrameView::NonClientHitTest(const gfx::Point& point) {
 210   if (!bounds().Contains(point))
 211     return HTNOWHERE;
 212
 213   // See if the point is within the avatar menu button or within the avatar
 214   // label.
 215   if ((avatar_button() &&
 216        avatar_button()->GetMirroredBounds().Contains(point)) ||
 217       (avatar_label() && avatar_label()->GetMirroredBounds().Contains(point)) ||
 218       (new_avatar_button() &&
 219        new_avatar_button()->GetMirroredBounds().Contains(point)))
 220     return HTCLIENT;
 221
 222   int frame_component = frame()->client_view()->NonClientHitTest(point);
 223
 224   // See if we're in the sysmenu region.  We still have to check the tabstrip
 225   // first so that clicks in a tab don't get treated as sysmenu clicks.
 226   gfx::Rect sysmenu_rect(IconBounds());
 227   // In maximized mode we extend the rect to the screen corner to take advantage
 228   // of Fitts' Law.
 229   if (layout_->IsTitleBarCondensed())
 230     sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom());
 231   sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect));
 232   if (sysmenu_rect.Contains(point))
 233     return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
 234
 235   if (frame_component != HTNOWHERE)
 236     return frame_component;
 237
 238   // Then see if the point is within any of the window controls.
 239   if (close_button_ && close_button_->visible() &&
 240       close_button_->GetMirroredBounds().Contains(point))
 241     return HTCLOSE;
 242   if (restore_button_ && restore_button_->visible() &&
 243       restore_button_->GetMirroredBounds().Contains(point))
 244     return HTMAXBUTTON;
 245   if (maximize_button_ && maximize_button_->visible() &&
 246       maximize_button_->GetMirroredBounds().Contains(point))
 247     return HTMAXBUTTON;
 248   if (minimize_button_ && minimize_button_->visible() &&
 249       minimize_button_->GetMirroredBounds().Contains(point))
 250     return HTMINBUTTON;
 251
 252   views::WidgetDelegate* delegate = frame()->widget_delegate();
 253   if (!delegate) {
 254     LOG(WARNING) << "delegate is NULL, returning safe default.";
 255     return HTCAPTION;
 256   }
 257   int window_component = GetHTComponentForFrame(point, TopResizeHeight(),
 258       NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize,
 259       delegate->CanResize());
 260   // Fall back to the caption if no other component matches.
 261   return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
 262 }
 263
 264 void OpaqueBrowserFrameView::GetWindowMask(const gfx::Size& size,
 265                                            gfx::Path* window_mask) {
 266   DCHECK(window_mask);
 267
 268   if (layout_->IsTitleBarCondensed() || frame()->IsFullscreen())
 269     return;
 270
 271   views::GetDefaultWindowMask(size, window_mask);
 272 }
 273
 274 void OpaqueBrowserFrameView::ResetWindowControls() {
 275   restore_button_->SetState(views::CustomButton::STATE_NORMAL);
 276   minimize_button_->SetState(views::CustomButton::STATE_NORMAL);
 277   maximize_button_->SetState(views::CustomButton::STATE_NORMAL);
 278   // The close button isn't affected by this constraint.
 279 }
 280
 281 void OpaqueBrowserFrameView::UpdateWindowIcon() {
 282   window_icon_->SchedulePaint();
 283 }
 284
 285 void OpaqueBrowserFrameView::UpdateWindowTitle() {
 286   if (!frame()->IsFullscreen())
 287     window_title_->SchedulePaint();
 288 }
 289
 290 ///////////////////////////////////////////////////////////////////////////////
 291 // OpaqueBrowserFrameView, views::View overrides:
 292
 293 bool OpaqueBrowserFrameView::HitTestRect(const gfx::Rect& rect) const {
 294   if (!views::View::HitTestRect(rect)) {
 295     // |rect| is outside OpaqueBrowserFrameView's bounds.
 296     return false;
 297   }
 298
 299   // If the rect is outside the bounds of the client area, claim it.
 300   gfx::RectF rect_in_client_view_coords_f(rect);
 301   View::ConvertRectToTarget(this, frame()->client_view(),
 302       &rect_in_client_view_coords_f);
 303   gfx::Rect rect_in_client_view_coords = gfx::ToEnclosingRect(
 304       rect_in_client_view_coords_f);
 305   if (!frame()->client_view()->HitTestRect(rect_in_client_view_coords))
 306     return true;
 307
 308   // Otherwise, claim |rect| only if it is above the bottom of the tabstrip in
 309   // a non-tab portion.
 310   TabStrip* tabstrip = browser_view()->tabstrip();
 311   if (!tabstrip || !browser_view()->IsTabStripVisible())
 312     return false;
 313
 314   gfx::RectF rect_in_tabstrip_coords_f(rect);
 315   View::ConvertRectToTarget(this, tabstrip, &rect_in_tabstrip_coords_f);
 316   gfx::Rect rect_in_tabstrip_coords = gfx::ToEnclosingRect(
 317       rect_in_tabstrip_coords_f);
 318   if (rect_in_tabstrip_coords.bottom() > tabstrip->GetLocalBounds().bottom()) {
 319     // |rect| is below the tabstrip.
 320     return false;
 321   }
 322
 323   if (tabstrip->HitTestRect(rect_in_tabstrip_coords)) {
 324     // Claim |rect| if it is in a non-tab portion of the tabstrip.
 325     return tabstrip->IsRectInWindowCaption(rect_in_tabstrip_coords);
 326   }
 327
 328   // We claim |rect| because it is above the bottom of the tabstrip, but
 329   // not in the tabstrip itself. In particular, the avatar label/button is left
 330   // of the tabstrip and the window controls are right of the tabstrip.
 331   return true;
 332 }
 333
 334 void OpaqueBrowserFrameView::GetAccessibleState(
 335     ui::AXViewState* state) {
 336   state->role = ui::AX_ROLE_TITLE_BAR;
 337 }
 338
 339 ///////////////////////////////////////////////////////////////////////////////
 340 // OpaqueBrowserFrameView, views::ButtonListener implementation:
 341
 342 void OpaqueBrowserFrameView::ButtonPressed(views::Button* sender,
 343                                            const ui::Event& event) {
 344   if (sender == minimize_button_) {
 345     frame()->Minimize();
 346   } else if (sender == maximize_button_) {
 347     frame()->Maximize();
 348   } else if (sender == restore_button_) {
 349     frame()->Restore();
 350   } else if (sender == close_button_) {
 351     frame()->Close();
 352   } else if (sender == new_avatar_button()) {
 353     browser_view()->ShowAvatarBubbleFromAvatarButton(
 354         BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT);
 355   }
 356 }
 357
 358 void OpaqueBrowserFrameView::OnMenuButtonClicked(views::View* source,
 359                                                  const gfx::Point& point) {
 360 #if defined(OS_LINUX)
 361   views::MenuRunner menu_runner(frame()->GetSystemMenuModel());
 362   ignore_result(menu_runner.RunMenuAt(browser_view()->GetWidget(),
 363                                       window_icon_,
 364                                       window_icon_->GetBoundsInScreen(),
 365                                       views::MENU_ANCHOR_TOPLEFT,
 366                                       ui::MENU_SOURCE_MOUSE,
 367                                       views::MenuRunner::HAS_MNEMONICS));
 368 #endif
 369 }
 370
 371 ///////////////////////////////////////////////////////////////////////////////
 372 // OpaqueBrowserFrameView, TabIconView::TabContentsProvider implementation:
 373
 374 bool OpaqueBrowserFrameView::ShouldTabIconViewAnimate() const {
 375   // This function is queried during the creation of the window as the
 376   // TabIconView we host is initialized, so we need to NULL check the selected
 377   // WebContents because in this condition there is not yet a selected tab.
 378   WebContents* current_tab = browser_view()->GetActiveWebContents();
 379   return current_tab ? current_tab->IsLoading() : false;
 380 }
 381
 382 gfx::ImageSkia OpaqueBrowserFrameView::GetFaviconForTabIconView() {
 383   views::WidgetDelegate* delegate = frame()->widget_delegate();
 384   if (!delegate) {
 385     LOG(WARNING) << "delegate is NULL, returning safe default.";
 386     return gfx::ImageSkia();
 387   }
 388   return delegate->GetWindowIcon();
 389 }
 390
 391 ///////////////////////////////////////////////////////////////////////////////
 392 // OpaqueBrowserFrameView, protected:
 393
 394 void OpaqueBrowserFrameView::Observe(
 395     int type,
 396     const content::NotificationSource& source,
 397     const content::NotificationDetails& details) {
 398   switch (type) {
 399     case chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED:
 400       if (browser_view() ->IsRegularOrGuestSession() &&
 401           switches::IsNewAvatarMenu()) {
 402         UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 403       } else {
 404         UpdateAvatarInfo();
 405       }
 406       break;
 407     default:
 408       NOTREACHED() << "Got a notification we didn't register for!";
 409       break;
 410   }
 411 }
 412
 413 ///////////////////////////////////////////////////////////////////////////////
 414 // OpaqueBrowserFrameView, OpaqueBrowserFrameViewLayoutDelegate implementation:
 415
 416 bool OpaqueBrowserFrameView::ShouldShowWindowIcon() const {
 417   views::WidgetDelegate* delegate = frame()->widget_delegate();
 418   return ShouldShowWindowTitleBar() && delegate &&
 419          delegate->ShouldShowWindowIcon();
 420 }
 421
 422 bool OpaqueBrowserFrameView::ShouldShowWindowTitle() const {
 423   // |delegate| may be NULL if called from callback of InputMethodChanged while
 424   // a window is being destroyed.
 425   // See more discussion at http://crosbug.com/8958
 426   views::WidgetDelegate* delegate = frame()->widget_delegate();
 427   return ShouldShowWindowTitleBar() && delegate &&
 428          delegate->ShouldShowWindowTitle();
 429 }
 430
 431 base::string16 OpaqueBrowserFrameView::GetWindowTitle() const {
 432   return frame()->widget_delegate()->GetWindowTitle();
 433 }
 434
 435 int OpaqueBrowserFrameView::GetIconSize() const {
 436 #if defined(OS_WIN)
 437   // This metric scales up if either the titlebar height or the titlebar font
 438   // size are increased.
 439   return GetSystemMetrics(SM_CYSMICON);
 440 #else
 441   return std::max(BrowserFrame::GetTitleFontList().GetHeight(),
 442                   kIconMinimumSize);
 443 #endif
 444 }
 445
 446 bool OpaqueBrowserFrameView::ShouldLeaveOffsetNearTopBorder() const {
 447   return frame()->ShouldLeaveOffsetNearTopBorder();
 448 }
 449
 450 gfx::Size OpaqueBrowserFrameView::GetBrowserViewMinimumSize() const {
 451   return browser_view()->GetMinimumSize();
 452 }
 453
 454 bool OpaqueBrowserFrameView::ShouldShowCaptionButtons() const {
 455   return ShouldShowWindowTitleBar();
 456 }
 457
 458 bool OpaqueBrowserFrameView::ShouldShowAvatar() const {
 459   return browser_view()->ShouldShowAvatar();
 460 }
 461
 462 bool OpaqueBrowserFrameView::IsRegularOrGuestSession() const {
 463   return browser_view()->IsRegularOrGuestSession();
 464 }
 465
 466 gfx::ImageSkia OpaqueBrowserFrameView::GetOTRAvatarIcon() const {
 467   return browser_view()->GetOTRAvatarIcon();
 468 }
 469
 470 bool OpaqueBrowserFrameView::IsMaximized() const {
 471   return frame()->IsMaximized();
 472 }
 473
 474 bool OpaqueBrowserFrameView::IsMinimized() const {
 475   return frame()->IsMinimized();
 476 }
 477
 478 bool OpaqueBrowserFrameView::IsFullscreen() const {
 479   return frame()->IsFullscreen();
 480 }
 481
 482 bool OpaqueBrowserFrameView::IsTabStripVisible() const {
 483   return browser_view()->IsTabStripVisible();
 484 }
 485
 486 int OpaqueBrowserFrameView::GetTabStripHeight() const {
 487   return browser_view()->GetTabStripHeight();
 488 }
 489
 490 gfx::Size OpaqueBrowserFrameView::GetTabstripPreferredSize() const {
 491   gfx::Size s = browser_view()->tabstrip()->GetPreferredSize();
 492   return s;
 493 }
 494
 495 ///////////////////////////////////////////////////////////////////////////////
 496 // OpaqueBrowserFrameView, views::View overrides:
 497
 498 void OpaqueBrowserFrameView::OnPaint(gfx::Canvas* canvas) {
 499   if (frame()->IsFullscreen())
 500     return;  // Nothing is visible, so don't bother to paint.
 501
 502   if (layout_->IsTitleBarCondensed())
 503     PaintMaximizedFrameBorder(canvas);
 504   else
 505     PaintRestoredFrameBorder(canvas);
 506
 507   // The window icon and title are painted by their respective views.
 508   /* TODO(pkasting):  If this window is active, we should also draw a drop
 509    * shadow on the title.  This is tricky, because we don't want to hardcode a
 510    * shadow color (since we want to work with various themes), but we can't
 511    * alpha-blend either (since the Windows text APIs don't really do this).
 512    * So we'd need to sample the background color at the right location and
 513    * synthesize a good shadow color. */
 514
 515   if (browser_view()->IsToolbarVisible())
 516     PaintToolbarBackground(canvas);
 517   if (!layout_->IsTitleBarCondensed())
 518     PaintRestoredClientEdge(canvas);
 519 }
 520
 521 ///////////////////////////////////////////////////////////////////////////////
 522 // OpaqueBrowserFrameView, private:
 523
 524 views::ImageButton* OpaqueBrowserFrameView::InitWindowCaptionButton(
 525     int normal_image_id,
 526     int hot_image_id,
 527     int pushed_image_id,
 528     int mask_image_id,
 529     int accessibility_string_id,
 530     ViewID view_id) {
 531   views::ImageButton* button = new views::ImageButton(this);
 532   ui::ThemeProvider* tp = frame()->GetThemeProvider();
 533   button->SetImage(views::CustomButton::STATE_NORMAL,
 534                    tp->GetImageSkiaNamed(normal_image_id));
 535   button->SetImage(views::CustomButton::STATE_HOVERED,
 536                    tp->GetImageSkiaNamed(hot_image_id));
 537   button->SetImage(views::CustomButton::STATE_PRESSED,
 538                    tp->GetImageSkiaNamed(pushed_image_id));
 539   if (browser_view()->IsBrowserTypeNormal()) {
 540     button->SetBackground(
 541         tp->GetColor(ThemeProperties::COLOR_BUTTON_BACKGROUND),
 542         tp->GetImageSkiaNamed(IDR_THEME_WINDOW_CONTROL_BACKGROUND),
 543         tp->GetImageSkiaNamed(mask_image_id));
 544   }
 545   button->SetAccessibleName(
 546       l10n_util::GetStringUTF16(accessibility_string_id));
 547   button->set_id(view_id);
 548   AddChildView(button);
 549   return button;
 550 }
 551
 552 int OpaqueBrowserFrameView::FrameBorderThickness(bool restored) const {
 553   return layout_->FrameBorderThickness(restored);
 554 }
 555
 556 int OpaqueBrowserFrameView::TopResizeHeight() const {
 557   return FrameBorderThickness(false) - kTopResizeAdjust;
 558 }
 559
 560 int OpaqueBrowserFrameView::NonClientBorderThickness() const {
 561   return layout_->NonClientBorderThickness();
 562 }
 563
 564 gfx::Rect OpaqueBrowserFrameView::IconBounds() const {
 565   return layout_->IconBounds();
 566 }
 567
 568 bool OpaqueBrowserFrameView::ShouldShowWindowTitleBar() const {
 569 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 570   // Do not show the custom title bar if the system title bar option is enabled.
 571   if (!frame()->UseCustomFrame())
 572     return false;
 573 #endif
 574
 575   // Do not show caption buttons if the window manager is forcefully providing a
 576   // title bar (e.g., in Ubuntu Unity, if the window is maximized).
 577   if (!views::ViewsDelegate::views_delegate)
 578     return true;
 579   return !views::ViewsDelegate::views_delegate->WindowManagerProvidesTitleBar(
 580               IsMaximized());
 581 }
 582
 583 void OpaqueBrowserFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) {
 584   frame_background_->set_frame_color(GetFrameColor());
 585   frame_background_->set_theme_image(GetFrameImage());
 586   frame_background_->set_theme_overlay_image(GetFrameOverlayImage());
 587   frame_background_->set_top_area_height(GetTopAreaHeight());
 588
 589   ui::ThemeProvider* tp = GetThemeProvider();
 590   frame_background_->SetSideImages(
 591       tp->GetImageSkiaNamed(IDR_WINDOW_LEFT_SIDE),
 592       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_CENTER),
 593       tp->GetImageSkiaNamed(IDR_WINDOW_RIGHT_SIDE),
 594       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_CENTER));
 595   frame_background_->SetCornerImages(
 596       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_LEFT_CORNER),
 597       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_RIGHT_CORNER),
 598       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER),
 599       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER));
 600   frame_background_->PaintRestored(canvas, this);
 601
 602   // Note: When we don't have a toolbar, we need to draw some kind of bottom
 603   // edge here.  Because the App Window graphics we use for this have an
 604   // attached client edge and their sizing algorithm is a little involved, we do
 605   // all this in PaintRestoredClientEdge().
 606 }
 607
 608 void OpaqueBrowserFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) {
 609   ui::ThemeProvider* tp = GetThemeProvider();
 610   frame_background_->set_frame_color(GetFrameColor());
 611   frame_background_->set_theme_image(GetFrameImage());
 612   frame_background_->set_theme_overlay_image(GetFrameOverlayImage());
 613   frame_background_->set_top_area_height(GetTopAreaHeight());
 614 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 615   // The window manager typically shows a gradient in the native title bar (when
 616   // the system title bar pref is set, or when maximized on Ubuntu). Hide the
 617   // gradient in the tab strip (by shifting it up vertically) to avoid a
 618   // double-gradient effect.
 619   if (tp->UsingSystemTheme())
 620     frame_background_->set_maximized_top_inset(kGTKThemeCondensedFrameTopInset);
 621 #endif
 622
 623   frame_background_->PaintMaximized(canvas, this);
 624
 625   // TODO(jamescook): Migrate this into FrameBackground.
 626   if (!browser_view()->IsToolbarVisible()) {
 627     // There's no toolbar to edge the frame border, so we need to draw a bottom
 628     // edge.  The graphic we use for this has a built in client edge, so we clip
 629     // it off the bottom.
 630     gfx::ImageSkia* top_center = tp->GetImageSkiaNamed(IDR_APP_TOP_CENTER);
 631     int edge_height = top_center->height() - kClientEdgeThickness;
 632     canvas->TileImageInt(*top_center, 0,
 633         frame()->client_view()->y() - edge_height, width(), edge_height);
 634   }
 635 }
 636
 637 void OpaqueBrowserFrameView::PaintToolbarBackground(gfx::Canvas* canvas) {
 638   gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds());
 639   if (toolbar_bounds.IsEmpty())
 640     return;
 641   gfx::Point toolbar_origin(toolbar_bounds.origin());
 642   ConvertPointToTarget(browser_view(), this, &toolbar_origin);
 643   toolbar_bounds.set_origin(toolbar_origin);
 644
 645   int x = toolbar_bounds.x();
 646   int w = toolbar_bounds.width();
 647   int y = toolbar_bounds.y();
 648   int h = toolbar_bounds.height();
 649
 650   // Gross hack: We split the toolbar images into two pieces, since sometimes
 651   // (popup mode) the toolbar isn't tall enough to show the whole image.  The
 652   // split happens between the top shadow section and the bottom gradient
 653   // section so that we never break the gradient.
 654   int split_point = kFrameShadowThickness * 2;
 655   int bottom_y = y + split_point;
 656   ui::ThemeProvider* tp = GetThemeProvider();
 657   gfx::ImageSkia* toolbar_left = tp->GetImageSkiaNamed(
 658       IDR_CONTENT_TOP_LEFT_CORNER);
 659   int bottom_edge_height = std::min(toolbar_left->height(), h) - split_point;
 660
 661   // Split our canvas out so we can mask out the corners of the toolbar
 662   // without masking out the frame.
 663   canvas->SaveLayerAlpha(
 664       255, gfx::Rect(x - kClientEdgeThickness, y, w + kClientEdgeThickness * 3,
 665                      h));
 666
 667   // Paint the bottom rect.
 668   canvas->FillRect(gfx::Rect(x, bottom_y, w, bottom_edge_height),
 669                    tp->GetColor(ThemeProperties::COLOR_TOOLBAR));
 670
 671   // Tile the toolbar image starting at the frame edge on the left and where the
 672   // horizontal tabstrip is (or would be) on the top.
 673   gfx::ImageSkia* theme_toolbar = tp->GetImageSkiaNamed(IDR_THEME_TOOLBAR);
 674   canvas->TileImageInt(*theme_toolbar,
 675                        x + GetThemeBackgroundXInset(),
 676                        bottom_y - GetTopInset(),
 677                        x, bottom_y, w, theme_toolbar->height());
 678
 679   // Draw rounded corners for the tab.
 680   gfx::ImageSkia* toolbar_left_mask =
 681       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK);
 682   gfx::ImageSkia* toolbar_right_mask =
 683       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK);
 684
 685   // We mask out the corners by using the DestinationIn transfer mode,
 686   // which keeps the RGB pixels from the destination and the alpha from
 687   // the source.
 688   SkPaint paint;
 689   paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
 690
 691   // Mask the left edge.
 692   int left_x = x - kContentEdgeShadowThickness;
 693   canvas->DrawImageInt(*toolbar_left_mask, 0, 0, toolbar_left_mask->width(),
 694                        split_point, left_x, y, toolbar_left_mask->width(),
 695                        split_point, false, paint);
 696   canvas->DrawImageInt(*toolbar_left_mask, 0,
 697       toolbar_left_mask->height() - bottom_edge_height,
 698       toolbar_left_mask->width(), bottom_edge_height, left_x, bottom_y,
 699       toolbar_left_mask->width(), bottom_edge_height, false, paint);
 700
 701   // Mask the right edge.
 702   int right_x =
 703       x + w - toolbar_right_mask->width() + kContentEdgeShadowThickness;
 704   canvas->DrawImageInt(*toolbar_right_mask, 0, 0, toolbar_right_mask->width(),
 705                        split_point, right_x, y, toolbar_right_mask->width(),
 706                        split_point, false, paint);
 707   canvas->DrawImageInt(*toolbar_right_mask, 0,
 708       toolbar_right_mask->height() - bottom_edge_height,
 709       toolbar_right_mask->width(), bottom_edge_height, right_x, bottom_y,
 710       toolbar_right_mask->width(), bottom_edge_height, false, paint);
 711   canvas->Restore();
 712
 713   canvas->DrawImageInt(*toolbar_left, 0, 0, toolbar_left->width(), split_point,
 714                        left_x, y, toolbar_left->width(), split_point, false);
 715   canvas->DrawImageInt(*toolbar_left, 0,
 716       toolbar_left->height() - bottom_edge_height, toolbar_left->width(),
 717       bottom_edge_height, left_x, bottom_y, toolbar_left->width(),
 718       bottom_edge_height, false);
 719
 720   gfx::ImageSkia* toolbar_center =
 721       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER);
 722   canvas->TileImageInt(*toolbar_center, 0, 0, left_x + toolbar_left->width(),
 723       y, right_x - (left_x + toolbar_left->width()),
 724       split_point);
 725
 726   gfx::ImageSkia* toolbar_right = tp->GetImageSkiaNamed(
 727       IDR_CONTENT_TOP_RIGHT_CORNER);
 728   canvas->DrawImageInt(*toolbar_right, 0, 0, toolbar_right->width(),
 729       split_point, right_x, y, toolbar_right->width(), split_point, false);
 730   canvas->DrawImageInt(*toolbar_right, 0,
 731       toolbar_right->height() - bottom_edge_height, toolbar_right->width(),
 732       bottom_edge_height, right_x, bottom_y, toolbar_right->width(),
 733       bottom_edge_height, false);
 734
 735   // Draw the content/toolbar separator.
 736   canvas->FillRect(
 737       gfx::Rect(x + kClientEdgeThickness,
 738                 toolbar_bounds.bottom() - kClientEdgeThickness,
 739                 w - (2 * kClientEdgeThickness),
 740                 kClientEdgeThickness),
 741       ThemeProperties::GetDefaultColor(
 742           ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
 743 }
 744
 745 void OpaqueBrowserFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) {
 746   ui::ThemeProvider* tp = GetThemeProvider();
 747   int client_area_top = frame()->client_view()->y();
 748   int image_top = client_area_top;
 749
 750   gfx::Rect client_area_bounds =
 751       layout_->CalculateClientAreaBounds(width(), height());
 752   SkColor toolbar_color = tp->GetColor(ThemeProperties::COLOR_TOOLBAR);
 753
 754   if (browser_view()->IsToolbarVisible()) {
 755     // The client edge images always start below the toolbar corner images.  The
 756     // client edge filled rects start there or at the bottom of the toolbar,
 757     // whichever is shorter.
 758     gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds());
 759
 760     gfx::ImageSkia* content_top_left_corner =
 761         tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER);
 762     // TODO(oshima): Sanity checks for crbug.com/374273. Remove when it's fixed.
 763     CHECK(content_top_left_corner);
 764     CHECK(!content_top_left_corner->isNull());
 765
 766     image_top += toolbar_bounds.y() + content_top_left_corner->height();
 767     client_area_top = std::min(image_top,
 768         client_area_top + toolbar_bounds.bottom() - kClientEdgeThickness);
 769   } else if (!browser_view()->IsTabStripVisible()) {
 770     // The toolbar isn't going to draw a client edge for us, so draw one
 771     // ourselves.
 772     gfx::ImageSkia* top_left = tp->GetImageSkiaNamed(IDR_APP_TOP_LEFT);
 773     gfx::ImageSkia* top_center = tp->GetImageSkiaNamed(IDR_APP_TOP_CENTER);
 774     gfx::ImageSkia* top_right = tp->GetImageSkiaNamed(IDR_APP_TOP_RIGHT);
 775     int top_edge_y = client_area_top - top_center->height();
 776     int height = client_area_top - top_edge_y;
 777
 778     canvas->DrawImageInt(*top_left, 0, 0, top_left->width(), height,
 779         client_area_bounds.x() - top_left->width(), top_edge_y,
 780         top_left->width(), height, false);
 781     canvas->TileImageInt(*top_center, 0, 0, client_area_bounds.x(), top_edge_y,
 782       client_area_bounds.width(), std::min(height, top_center->height()));
 783     canvas->DrawImageInt(*top_right, 0, 0, top_right->width(), height,
 784         client_area_bounds.right(), top_edge_y,
 785         top_right->width(), height, false);
 786
 787     // Draw the toolbar color across the top edge.
 788     canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 789         client_area_top - kClientEdgeThickness,
 790         client_area_bounds.width() + (2 * kClientEdgeThickness),
 791         kClientEdgeThickness), toolbar_color);
 792   }
 793
 794   int client_area_bottom =
 795       std::max(client_area_top, height() - NonClientBorderThickness());
 796   int image_height = client_area_bottom - image_top;
 797
 798   // Draw the client edge images.
 799   gfx::ImageSkia* right = tp->GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE);
 800   canvas->TileImageInt(*right, client_area_bounds.right(), image_top,
 801                        right->width(), image_height);
 802   canvas->DrawImageInt(
 803       *tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER),
 804       client_area_bounds.right(), client_area_bottom);
 805   gfx::ImageSkia* bottom = tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER);
 806   canvas->TileImageInt(*bottom, client_area_bounds.x(),
 807       client_area_bottom, client_area_bounds.width(),
 808       bottom->height());
 809   gfx::ImageSkia* bottom_left =
 810       tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
 811   canvas->DrawImageInt(*bottom_left,
 812       client_area_bounds.x() - bottom_left->width(), client_area_bottom);
 813   gfx::ImageSkia* left = tp->GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE);
 814   canvas->TileImageInt(*left, client_area_bounds.x() - left->width(),
 815                        image_top, left->width(), image_height);
 816
 817   // Draw the toolbar color so that the client edges show the right color even
 818   // where not covered by the toolbar image.  NOTE: We do this after drawing the
 819   // images because the images are meant to alpha-blend atop the frame whereas
 820   // these rects are meant to be fully opaque, without anything overlaid.
 821   canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 822       client_area_top, kClientEdgeThickness,
 823       client_area_bottom + kClientEdgeThickness - client_area_top),
 824        toolbar_color);
 825   canvas->FillRect(gfx::Rect(client_area_bounds.x(), client_area_bottom,
 826                              client_area_bounds.width(), kClientEdgeThickness),
 827                    toolbar_color);
 828   canvas->FillRect(gfx::Rect(client_area_bounds.right(), client_area_top,
 829       kClientEdgeThickness,
 830       client_area_bottom + kClientEdgeThickness - client_area_top),
 831       toolbar_color);
 832 }
 833
 834 SkColor OpaqueBrowserFrameView::GetFrameColor() const {
 835   bool is_incognito = browser_view()->IsOffTheRecord();
 836   ThemeProperties::OverwritableByUserThemeProperty color_id;
 837   if (ShouldPaintAsActive()) {
 838     color_id = is_incognito ?
 839                ThemeProperties::COLOR_FRAME_INCOGNITO :
 840                ThemeProperties::COLOR_FRAME;
 841   } else {
 842     color_id = is_incognito ?
 843                ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE :
 844                ThemeProperties::COLOR_FRAME_INACTIVE;
 845   }
 846
 847   if (browser_view()->IsBrowserTypeNormal() ||
 848       platform_observer_->IsUsingSystemTheme()) {
 849     return GetThemeProvider()->GetColor(color_id);
 850   }
 851
 852   // Never theme app and popup windows unless the |platform_observer_|
 853   // requested an override.
 854   return ThemeProperties::GetDefaultColor(color_id);
 855 }
 856
 857 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameImage() const {
 858   bool is_incognito = browser_view()->IsOffTheRecord();
 859   int resource_id;
 860   if (browser_view()->IsBrowserTypeNormal()) {
 861     if (ShouldPaintAsActive()) {
 862       resource_id = is_incognito ?
 863           IDR_THEME_FRAME_INCOGNITO : IDR_THEME_FRAME;
 864     } else {
 865       resource_id = is_incognito ?
 866           IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 867     }
 868     return GetThemeProvider()->GetImageSkiaNamed(resource_id);
 869   }
 870   if (ShouldPaintAsActive()) {
 871     resource_id = is_incognito ?
 872         IDR_THEME_FRAME_INCOGNITO : IDR_FRAME;
 873   } else {
 874     resource_id = is_incognito ?
 875         IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 876   }
 877
 878   if (platform_observer_->IsUsingSystemTheme()) {
 879     // We want to use theme images provided by the system theme when enabled,
 880     // even if we are an app or popup window.
 881     return GetThemeProvider()->GetImageSkiaNamed(resource_id);
 882   }
 883
 884   // Otherwise, never theme app and popup windows.
 885   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 886   return rb.GetImageSkiaNamed(chrome::MapThemeImage(
 887       chrome::GetHostDesktopTypeForNativeWindow(
 888           browser_view()->GetNativeWindow()),
 889       resource_id));
 890 }
 891
 892 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameOverlayImage() const {
 893   ui::ThemeProvider* tp = GetThemeProvider();
 894   if (tp->HasCustomImage(IDR_THEME_FRAME_OVERLAY) &&
 895       browser_view()->IsBrowserTypeNormal() &&
 896       !browser_view()->IsOffTheRecord()) {
 897     return tp->GetImageSkiaNamed(ShouldPaintAsActive() ?
 898         IDR_THEME_FRAME_OVERLAY : IDR_THEME_FRAME_OVERLAY_INACTIVE);
 899   }
 900   return NULL;
 901 }
 902
 903 int OpaqueBrowserFrameView::GetTopAreaHeight() const {
 904   gfx::ImageSkia* frame_image = GetFrameImage();
 905   int top_area_height = frame_image->height();
 906   if (browser_view()->IsTabStripVisible()) {
 907     top_area_height = std::max(top_area_height,
 908       GetBoundsForTabStrip(browser_view()->tabstrip()).bottom());
 909   }
 910   return top_area_height;
 911 }