src/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/signin/signin_header_helper.h"
  16 #include "chrome/browser/themes/theme_properties.h"
  17 #include "chrome/browser/ui/views/frame/browser_frame.h"
  18 #include "chrome/browser/ui/views/frame/browser_view.h"
  19 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
  20 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_platform_specific.h"
  21 #include "chrome/browser/ui/views/profiles/avatar_label.h"
  22 #include "chrome/browser/ui/views/profiles/avatar_menu_button.h"
  23 #include "chrome/browser/ui/views/profiles/new_avatar_button.h"
  24 #include "chrome/browser/ui/views/tab_icon_view.h"
  25 #include "chrome/browser/ui/views/tabs/tab_strip.h"
  26 #include "chrome/browser/ui/views/theme_image_mapper.h"
  27 #include "chrome/browser/ui/views/toolbar/toolbar_view.h"
  28 #include "chrome/common/pref_names.h"
  29 #include "components/signin/core/common/profile_management_switches.h"
  30 #include "content/public/browser/notification_service.h"
  31 #include "content/public/browser/web_contents.h"
  32 #include "grit/chromium_strings.h"
  33 #include "grit/generated_resources.h"
  34 #include "grit/theme_resources.h"
  35 #include "grit/ui_resources.h"
  36 #include "ui/accessibility/ax_view_state.h"
  37 #include "ui/base/hit_test.h"
  38 #include "ui/base/l10n/l10n_util.h"
  39 #include "ui/base/resource/resource_bundle.h"
  40 #include "ui/base/theme_provider.h"
  41 #include "ui/gfx/canvas.h"
  42 #include "ui/gfx/font_list.h"
  43 #include "ui/gfx/image/image.h"
  44 #include "ui/gfx/image/image_skia.h"
  45 #include "ui/gfx/path.h"
  46 #include "ui/gfx/rect_conversions.h"
  47 #include "ui/views/controls/button/image_button.h"
  48 #include "ui/views/controls/image_view.h"
  49 #include "ui/views/controls/label.h"
  50 #include "ui/views/layout/layout_constants.h"
  51 #include "ui/views/views_delegate.h"
  52 #include "ui/views/widget/root_view.h"
  53 #include "ui/views/window/frame_background.h"
  54 #include "ui/views/window/window_shape.h"
  55
  56 #if defined(OS_LINUX)
  57 #include "ui/views/controls/menu/menu_runner.h"
  58 #endif
  59
  60 using content::WebContents;
  61
  62 namespace {
  63
  64 // While resize areas on Windows are normally the same size as the window
  65 // borders, our top area is shrunk by 1 px to make it easier to move the window
  66 // around with our thinner top grabbable strip.  (Incidentally, our side and
  67 // bottom resize areas don't match the frame border thickness either -- they
  68 // span the whole nonclient area, so there's no "dead zone" for the mouse.)
  69 const int kTopResizeAdjust = 1;
  70
  71 // In the window corners, the resize areas don't actually expand bigger, but the
  72 // 16 px at the end of each edge triggers diagonal resizing.
  73 const int kResizeAreaCornerSize = 16;
  74
  75 // The content left/right images have a shadow built into them.
  76 const int kContentEdgeShadowThickness = 2;
  77
  78 // The icon never shrinks below 16 px on a side.
  79 const int kIconMinimumSize = 16;
  80
  81 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
  82 // The number of pixels to move the frame background image upwards when using
  83 // the GTK+ theme and the titlebar is condensed.
  84 const int kGTKThemeCondensedFrameTopInset = 15;
  85 #endif
  86
  87 }  // namespace
  88
  89 ///////////////////////////////////////////////////////////////////////////////
  90 // OpaqueBrowserFrameView, public:
  91
  92 OpaqueBrowserFrameView::OpaqueBrowserFrameView(BrowserFrame* frame,
  93                                                BrowserView* browser_view)
  94     : BrowserNonClientFrameView(frame, browser_view),
  95       layout_(new OpaqueBrowserFrameViewLayout(this)),
  96       minimize_button_(NULL),
  97       maximize_button_(NULL),
  98       restore_button_(NULL),
  99       close_button_(NULL),
 100       window_icon_(NULL),
 101       window_title_(NULL),
 102       frame_background_(new views::FrameBackground()) {
 103   SetLayoutManager(layout_);
 104
 105   minimize_button_ = InitWindowCaptionButton(IDR_MINIMIZE,
 106                                              IDR_MINIMIZE_H,
 107                                              IDR_MINIMIZE_P,
 108                                              IDR_MINIMIZE_BUTTON_MASK,
 109                                              IDS_ACCNAME_MINIMIZE,
 110                                              VIEW_ID_MINIMIZE_BUTTON);
 111   maximize_button_ = InitWindowCaptionButton(IDR_MAXIMIZE,
 112                                              IDR_MAXIMIZE_H,
 113                                              IDR_MAXIMIZE_P,
 114                                              IDR_MAXIMIZE_BUTTON_MASK,
 115                                              IDS_ACCNAME_MAXIMIZE,
 116                                              VIEW_ID_MAXIMIZE_BUTTON);
 117   restore_button_ = InitWindowCaptionButton(IDR_RESTORE,
 118                                             IDR_RESTORE_H,
 119                                             IDR_RESTORE_P,
 120                                             IDR_RESTORE_BUTTON_MASK,
 121                                             IDS_ACCNAME_RESTORE,
 122                                             VIEW_ID_RESTORE_BUTTON);
 123   close_button_ = InitWindowCaptionButton(IDR_CLOSE,
 124                                           IDR_CLOSE_H,
 125                                           IDR_CLOSE_P,
 126                                           IDR_CLOSE_BUTTON_MASK,
 127                                           IDS_ACCNAME_CLOSE,
 128                                           VIEW_ID_CLOSE_BUTTON);
 129
 130   // Initializing the TabIconView is expensive, so only do it if we need to.
 131   if (browser_view->ShouldShowWindowIcon()) {
 132     window_icon_ = new TabIconView(this, this);
 133     window_icon_->set_is_light(true);
 134     window_icon_->set_id(VIEW_ID_WINDOW_ICON);
 135     AddChildView(window_icon_);
 136     window_icon_->Update();
 137   }
 138
 139   window_title_ = new views::Label(
 140       browser_view->GetWindowTitle(),
 141       gfx::FontList(BrowserFrame::GetTitleFontList()));
 142   window_title_->SetVisible(browser_view->ShouldShowWindowTitle());
 143   window_title_->SetEnabledColor(SK_ColorWHITE);
 144   window_title_->SetSubpixelRenderingEnabled(false);
 145   window_title_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 146   window_title_->set_id(VIEW_ID_WINDOW_TITLE);
 147   AddChildView(window_title_);
 148
 149   if (browser_view->IsRegularOrGuestSession() && switches::IsNewAvatarMenu())
 150     UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 151   else
 152     UpdateAvatarInfo();
 153
 154   if (!browser_view->IsOffTheRecord()) {
 155     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 156                    content::NotificationService::AllSources());
 157   }
 158
 159   platform_observer_.reset(OpaqueBrowserFrameViewPlatformSpecific::Create(
 160       this, layout_, browser_view->browser()->profile()));
 161 }
 162
 163 OpaqueBrowserFrameView::~OpaqueBrowserFrameView() {
 164 }
 165
 166 ///////////////////////////////////////////////////////////////////////////////
 167 // OpaqueBrowserFrameView, BrowserNonClientFrameView implementation:
 168
 169 gfx::Rect OpaqueBrowserFrameView::GetBoundsForTabStrip(
 170     views::View* tabstrip) const {
 171   if (!tabstrip)
 172     return gfx::Rect();
 173
 174   return layout_->GetBoundsForTabStrip(tabstrip->GetPreferredSize(), width());
 175 }
 176
 177 int OpaqueBrowserFrameView::GetTopInset() const {
 178   return browser_view()->IsTabStripVisible() ?
 179       layout_->GetTabStripInsetsTop(false) :
 180       layout_->NonClientTopBorderHeight(false);
 181 }
 182
 183 int OpaqueBrowserFrameView::GetThemeBackgroundXInset() const {
 184   return 0;
 185 }
 186
 187 void OpaqueBrowserFrameView::UpdateThrobber(bool running) {
 188   if (window_icon_)
 189     window_icon_->Update();
 190 }
 191
 192 gfx::Size OpaqueBrowserFrameView::GetMinimumSize() const {
 193   return layout_->GetMinimumSize(width());
 194 }
 195
 196 ///////////////////////////////////////////////////////////////////////////////
 197 // OpaqueBrowserFrameView, views::NonClientFrameView implementation:
 198
 199 gfx::Rect OpaqueBrowserFrameView::GetBoundsForClientView() const {
 200   return layout_->client_view_bounds();
 201 }
 202
 203 gfx::Rect OpaqueBrowserFrameView::GetWindowBoundsForClientBounds(
 204     const gfx::Rect& client_bounds) const {
 205   return layout_->GetWindowBoundsForClientBounds(client_bounds);
 206 }
 207
 208 int OpaqueBrowserFrameView::NonClientHitTest(const gfx::Point& point) {
 209   if (!bounds().Contains(point))
 210     return HTNOWHERE;
 211
 212   // See if the point is within the avatar menu button or within the avatar
 213   // label.
 214   if ((avatar_button() &&
 215        avatar_button()->GetMirroredBounds().Contains(point)) ||
 216       (avatar_label() && avatar_label()->GetMirroredBounds().Contains(point)) ||
 217       (new_avatar_button() &&
 218        new_avatar_button()->GetMirroredBounds().Contains(point)))
 219     return HTCLIENT;
 220
 221   int frame_component = frame()->client_view()->NonClientHitTest(point);
 222
 223   // See if we're in the sysmenu region.  We still have to check the tabstrip
 224   // first so that clicks in a tab don't get treated as sysmenu clicks.
 225   gfx::Rect sysmenu_rect(IconBounds());
 226   // In maximized mode we extend the rect to the screen corner to take advantage
 227   // of Fitts' Law.
 228   if (layout_->IsTitleBarCondensed())
 229     sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom());
 230   sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect));
 231   if (sysmenu_rect.Contains(point))
 232     return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
 233
 234   if (frame_component != HTNOWHERE)
 235     return frame_component;
 236
 237   // Then see if the point is within any of the window controls.
 238   if (close_button_ && close_button_->visible() &&
 239       close_button_->GetMirroredBounds().Contains(point))
 240     return HTCLOSE;
 241   if (restore_button_ && restore_button_->visible() &&
 242       restore_button_->GetMirroredBounds().Contains(point))
 243     return HTMAXBUTTON;
 244   if (maximize_button_ && maximize_button_->visible() &&
 245       maximize_button_->GetMirroredBounds().Contains(point))
 246     return HTMAXBUTTON;
 247   if (minimize_button_ && minimize_button_->visible() &&
 248       minimize_button_->GetMirroredBounds().Contains(point))
 249     return HTMINBUTTON;
 250
 251   views::WidgetDelegate* delegate = frame()->widget_delegate();
 252   if (!delegate) {
 253     LOG(WARNING) << "delegate is NULL, returning safe default.";
 254     return HTCAPTION;
 255   }
 256   int window_component = GetHTComponentForFrame(point, TopResizeHeight(),
 257       NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize,
 258       delegate->CanResize());
 259   // Fall back to the caption if no other component matches.
 260   return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
 261 }
 262
 263 void OpaqueBrowserFrameView::GetWindowMask(const gfx::Size& size,
 264                                            gfx::Path* window_mask) {
 265   DCHECK(window_mask);
 266
 267   if (layout_->IsTitleBarCondensed() || frame()->IsFullscreen())
 268     return;
 269
 270   views::GetDefaultWindowMask(size, window_mask);
 271 }
 272
 273 void OpaqueBrowserFrameView::ResetWindowControls() {
 274   restore_button_->SetState(views::CustomButton::STATE_NORMAL);
 275   minimize_button_->SetState(views::CustomButton::STATE_NORMAL);
 276   maximize_button_->SetState(views::CustomButton::STATE_NORMAL);
 277   // The close button isn't affected by this constraint.
 278 }
 279
 280 void OpaqueBrowserFrameView::UpdateWindowIcon() {
 281   window_icon_->SchedulePaint();
 282 }
 283
 284 void OpaqueBrowserFrameView::UpdateWindowTitle() {
 285   if (!frame()->IsFullscreen())
 286     window_title_->SchedulePaint();
 287 }
 288
 289 ///////////////////////////////////////////////////////////////////////////////
 290 // OpaqueBrowserFrameView, views::View overrides:
 291
 292 void OpaqueBrowserFrameView::GetAccessibleState(
 293     ui::AXViewState* state) {
 294   state->role = ui::AX_ROLE_TITLE_BAR;
 295 }
 296
 297 ///////////////////////////////////////////////////////////////////////////////
 298 // OpaqueBrowserFrameView, views::ButtonListener implementation:
 299
 300 void OpaqueBrowserFrameView::ButtonPressed(views::Button* sender,
 301                                            const ui::Event& event) {
 302   if (sender == minimize_button_) {
 303     frame()->Minimize();
 304   } else if (sender == maximize_button_) {
 305     frame()->Maximize();
 306   } else if (sender == restore_button_) {
 307     frame()->Restore();
 308   } else if (sender == close_button_) {
 309     frame()->Close();
 310   } else if (sender == new_avatar_button()) {
 311     browser_view()->ShowAvatarBubbleFromAvatarButton(
 312         BrowserWindow::AVATAR_BUBBLE_MODE_DEFAULT,
 313         signin::ManageAccountsParams());
 314   }
 315 }
 316
 317 void OpaqueBrowserFrameView::OnMenuButtonClicked(views::View* source,
 318                                                  const gfx::Point& point) {
 319 #if defined(OS_LINUX)
 320   views::MenuRunner menu_runner(frame()->GetSystemMenuModel(),
 321                                 views::MenuRunner::HAS_MNEMONICS);
 322   ignore_result(menu_runner.RunMenuAt(browser_view()->GetWidget(),
 323                                       window_icon_,
 324                                       window_icon_->GetBoundsInScreen(),
 325                                       views::MENU_ANCHOR_TOPLEFT,
 326                                       ui::MENU_SOURCE_MOUSE));
 327 #endif
 328 }
 329
 330 ///////////////////////////////////////////////////////////////////////////////
 331 // OpaqueBrowserFrameView, TabIconView::TabContentsProvider implementation:
 332
 333 bool OpaqueBrowserFrameView::ShouldTabIconViewAnimate() const {
 334   // This function is queried during the creation of the window as the
 335   // TabIconView we host is initialized, so we need to NULL check the selected
 336   // WebContents because in this condition there is not yet a selected tab.
 337   WebContents* current_tab = browser_view()->GetActiveWebContents();
 338   return current_tab ? current_tab->IsLoading() : false;
 339 }
 340
 341 gfx::ImageSkia OpaqueBrowserFrameView::GetFaviconForTabIconView() {
 342   views::WidgetDelegate* delegate = frame()->widget_delegate();
 343   if (!delegate) {
 344     LOG(WARNING) << "delegate is NULL, returning safe default.";
 345     return gfx::ImageSkia();
 346   }
 347   return delegate->GetWindowIcon();
 348 }
 349
 350 ///////////////////////////////////////////////////////////////////////////////
 351 // OpaqueBrowserFrameView, protected:
 352
 353 void OpaqueBrowserFrameView::Observe(
 354     int type,
 355     const content::NotificationSource& source,
 356     const content::NotificationDetails& details) {
 357   switch (type) {
 358     case chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED:
 359       if (browser_view() ->IsRegularOrGuestSession() &&
 360           switches::IsNewAvatarMenu()) {
 361         UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 362       } else {
 363         UpdateAvatarInfo();
 364       }
 365       break;
 366     default:
 367       NOTREACHED() << "Got a notification we didn't register for!";
 368       break;
 369   }
 370 }
 371
 372 ///////////////////////////////////////////////////////////////////////////////
 373 // OpaqueBrowserFrameView, OpaqueBrowserFrameViewLayoutDelegate implementation:
 374
 375 bool OpaqueBrowserFrameView::ShouldShowWindowIcon() const {
 376   views::WidgetDelegate* delegate = frame()->widget_delegate();
 377   return ShouldShowWindowTitleBar() && delegate &&
 378          delegate->ShouldShowWindowIcon();
 379 }
 380
 381 bool OpaqueBrowserFrameView::ShouldShowWindowTitle() const {
 382   // |delegate| may be NULL if called from callback of InputMethodChanged while
 383   // a window is being destroyed.
 384   // See more discussion at http://crosbug.com/8958
 385   views::WidgetDelegate* delegate = frame()->widget_delegate();
 386   return ShouldShowWindowTitleBar() && delegate &&
 387          delegate->ShouldShowWindowTitle();
 388 }
 389
 390 base::string16 OpaqueBrowserFrameView::GetWindowTitle() const {
 391   return frame()->widget_delegate()->GetWindowTitle();
 392 }
 393
 394 int OpaqueBrowserFrameView::GetIconSize() const {
 395 #if defined(OS_WIN)
 396   // This metric scales up if either the titlebar height or the titlebar font
 397   // size are increased.
 398   return GetSystemMetrics(SM_CYSMICON);
 399 #else
 400   return std::max(BrowserFrame::GetTitleFontList().GetHeight(),
 401                   kIconMinimumSize);
 402 #endif
 403 }
 404
 405 bool OpaqueBrowserFrameView::ShouldLeaveOffsetNearTopBorder() const {
 406   return frame()->ShouldLeaveOffsetNearTopBorder();
 407 }
 408
 409 gfx::Size OpaqueBrowserFrameView::GetBrowserViewMinimumSize() const {
 410   return browser_view()->GetMinimumSize();
 411 }
 412
 413 bool OpaqueBrowserFrameView::ShouldShowCaptionButtons() const {
 414   return ShouldShowWindowTitleBar();
 415 }
 416
 417 bool OpaqueBrowserFrameView::ShouldShowAvatar() const {
 418   return browser_view()->ShouldShowAvatar();
 419 }
 420
 421 bool OpaqueBrowserFrameView::IsRegularOrGuestSession() const {
 422   return browser_view()->IsRegularOrGuestSession();
 423 }
 424
 425 gfx::ImageSkia OpaqueBrowserFrameView::GetOTRAvatarIcon() const {
 426   return browser_view()->GetOTRAvatarIcon();
 427 }
 428
 429 bool OpaqueBrowserFrameView::IsMaximized() const {
 430   return frame()->IsMaximized();
 431 }
 432
 433 bool OpaqueBrowserFrameView::IsMinimized() const {
 434   return frame()->IsMinimized();
 435 }
 436
 437 bool OpaqueBrowserFrameView::IsFullscreen() const {
 438   return frame()->IsFullscreen();
 439 }
 440
 441 bool OpaqueBrowserFrameView::IsTabStripVisible() const {
 442   return browser_view()->IsTabStripVisible();
 443 }
 444
 445 int OpaqueBrowserFrameView::GetTabStripHeight() const {
 446   return browser_view()->GetTabStripHeight();
 447 }
 448
 449 gfx::Size OpaqueBrowserFrameView::GetTabstripPreferredSize() const {
 450   gfx::Size s = browser_view()->tabstrip()->GetPreferredSize();
 451   return s;
 452 }
 453
 454 ///////////////////////////////////////////////////////////////////////////////
 455 // OpaqueBrowserFrameView, views::View overrides:
 456
 457 void OpaqueBrowserFrameView::OnPaint(gfx::Canvas* canvas) {
 458   if (frame()->IsFullscreen())
 459     return;  // Nothing is visible, so don't bother to paint.
 460
 461   if (layout_->IsTitleBarCondensed())
 462     PaintMaximizedFrameBorder(canvas);
 463   else
 464     PaintRestoredFrameBorder(canvas);
 465
 466   // The window icon and title are painted by their respective views.
 467   /* TODO(pkasting):  If this window is active, we should also draw a drop
 468    * shadow on the title.  This is tricky, because we don't want to hardcode a
 469    * shadow color (since we want to work with various themes), but we can't
 470    * alpha-blend either (since the Windows text APIs don't really do this).
 471    * So we'd need to sample the background color at the right location and
 472    * synthesize a good shadow color. */
 473
 474   if (browser_view()->IsToolbarVisible())
 475     PaintToolbarBackground(canvas);
 476   if (!layout_->IsTitleBarCondensed())
 477     PaintRestoredClientEdge(canvas);
 478 }
 479
 480 ///////////////////////////////////////////////////////////////////////////////
 481 // OpaqueBrowserFrameView, private:
 482
 483 // views::NonClientFrameView:
 484 bool OpaqueBrowserFrameView::DoesIntersectRect(const views::View* target,
 485                                                const gfx::Rect& rect) const {
 486   CHECK_EQ(target, this);
 487   if (!views::ViewTargeterDelegate::DoesIntersectRect(this, rect)) {
 488     // |rect| is outside OpaqueBrowserFrameView's bounds.
 489     return false;
 490   }
 491
 492   // If the rect is outside the bounds of the client area, claim it.
 493   gfx::RectF rect_in_client_view_coords_f(rect);
 494   View::ConvertRectToTarget(this, frame()->client_view(),
 495       &rect_in_client_view_coords_f);
 496   gfx::Rect rect_in_client_view_coords = gfx::ToEnclosingRect(
 497       rect_in_client_view_coords_f);
 498   if (!frame()->client_view()->HitTestRect(rect_in_client_view_coords))
 499     return true;
 500
 501   // Otherwise, claim |rect| only if it is above the bottom of the tabstrip in
 502   // a non-tab portion.
 503   TabStrip* tabstrip = browser_view()->tabstrip();
 504   if (!tabstrip || !browser_view()->IsTabStripVisible())
 505     return false;
 506
 507   gfx::RectF rect_in_tabstrip_coords_f(rect);
 508   View::ConvertRectToTarget(this, tabstrip, &rect_in_tabstrip_coords_f);
 509   gfx::Rect rect_in_tabstrip_coords = gfx::ToEnclosingRect(
 510       rect_in_tabstrip_coords_f);
 511   if (rect_in_tabstrip_coords.bottom() > tabstrip->GetLocalBounds().bottom()) {
 512     // |rect| is below the tabstrip.
 513     return false;
 514   }
 515
 516   if (tabstrip->HitTestRect(rect_in_tabstrip_coords)) {
 517     // Claim |rect| if it is in a non-tab portion of the tabstrip.
 518     return tabstrip->IsRectInWindowCaption(rect_in_tabstrip_coords);
 519   }
 520
 521   // We claim |rect| because it is above the bottom of the tabstrip, but
 522   // not in the tabstrip itself. In particular, the avatar label/button is left
 523   // of the tabstrip and the window controls are right of the tabstrip.
 524   return true;
 525 }
 526
 527 views::ImageButton* OpaqueBrowserFrameView::InitWindowCaptionButton(
 528     int normal_image_id,
 529     int hot_image_id,
 530     int pushed_image_id,
 531     int mask_image_id,
 532     int accessibility_string_id,
 533     ViewID view_id) {
 534   views::ImageButton* button = new views::ImageButton(this);
 535   ui::ThemeProvider* tp = frame()->GetThemeProvider();
 536   button->SetImage(views::CustomButton::STATE_NORMAL,
 537                    tp->GetImageSkiaNamed(normal_image_id));
 538   button->SetImage(views::CustomButton::STATE_HOVERED,
 539                    tp->GetImageSkiaNamed(hot_image_id));
 540   button->SetImage(views::CustomButton::STATE_PRESSED,
 541                    tp->GetImageSkiaNamed(pushed_image_id));
 542   if (browser_view()->IsBrowserTypeNormal()) {
 543     button->SetBackground(
 544         tp->GetColor(ThemeProperties::COLOR_BUTTON_BACKGROUND),
 545         tp->GetImageSkiaNamed(IDR_THEME_WINDOW_CONTROL_BACKGROUND),
 546         tp->GetImageSkiaNamed(mask_image_id));
 547   }
 548   button->SetAccessibleName(
 549       l10n_util::GetStringUTF16(accessibility_string_id));
 550   button->set_id(view_id);
 551   AddChildView(button);
 552   return button;
 553 }
 554
 555 int OpaqueBrowserFrameView::FrameBorderThickness(bool restored) const {
 556   return layout_->FrameBorderThickness(restored);
 557 }
 558
 559 int OpaqueBrowserFrameView::TopResizeHeight() const {
 560   return FrameBorderThickness(false) - kTopResizeAdjust;
 561 }
 562
 563 int OpaqueBrowserFrameView::NonClientBorderThickness() const {
 564   return layout_->NonClientBorderThickness();
 565 }
 566
 567 gfx::Rect OpaqueBrowserFrameView::IconBounds() const {
 568   return layout_->IconBounds();
 569 }
 570
 571 bool OpaqueBrowserFrameView::ShouldShowWindowTitleBar() const {
 572 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 573   // Do not show the custom title bar if the system title bar option is enabled.
 574   if (!frame()->UseCustomFrame())
 575     return false;
 576 #endif
 577
 578   // Do not show caption buttons if the window manager is forcefully providing a
 579   // title bar (e.g., in Ubuntu Unity, if the window is maximized).
 580   if (!views::ViewsDelegate::views_delegate)
 581     return true;
 582   return !views::ViewsDelegate::views_delegate->WindowManagerProvidesTitleBar(
 583               IsMaximized());
 584 }
 585
 586 void OpaqueBrowserFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) {
 587   frame_background_->set_frame_color(GetFrameColor());
 588   frame_background_->set_theme_image(GetFrameImage());
 589   frame_background_->set_theme_overlay_image(GetFrameOverlayImage());
 590   frame_background_->set_top_area_height(GetTopAreaHeight());
 591
 592   ui::ThemeProvider* tp = GetThemeProvider();
 593   frame_background_->SetSideImages(
 594       tp->GetImageSkiaNamed(IDR_WINDOW_LEFT_SIDE),
 595       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_CENTER),
 596       tp->GetImageSkiaNamed(IDR_WINDOW_RIGHT_SIDE),
 597       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_CENTER));
 598   frame_background_->SetCornerImages(
 599       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_LEFT_CORNER),
 600       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_RIGHT_CORNER),
 601       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER),
 602       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER));
 603   frame_background_->PaintRestored(canvas, this);
 604
 605   // Note: When we don't have a toolbar, we need to draw some kind of bottom
 606   // edge here.  Because the App Window graphics we use for this have an
 607   // attached client edge and their sizing algorithm is a little involved, we do
 608   // all this in PaintRestoredClientEdge().
 609 }
 610
 611 void OpaqueBrowserFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) {
 612   ui::ThemeProvider* tp = GetThemeProvider();
 613   frame_background_->set_frame_color(GetFrameColor());
 614   frame_background_->set_theme_image(GetFrameImage());
 615   frame_background_->set_theme_overlay_image(GetFrameOverlayImage());
 616   frame_background_->set_top_area_height(GetTopAreaHeight());
 617 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
 618   // The window manager typically shows a gradient in the native title bar (when
 619   // the system title bar pref is set, or when maximized on Ubuntu). Hide the
 620   // gradient in the tab strip (by shifting it up vertically) to avoid a
 621   // double-gradient effect.
 622   if (tp->UsingSystemTheme())
 623     frame_background_->set_maximized_top_inset(kGTKThemeCondensedFrameTopInset);
 624 #endif
 625
 626   frame_background_->PaintMaximized(canvas, this);
 627
 628   // TODO(jamescook): Migrate this into FrameBackground.
 629   if (!browser_view()->IsToolbarVisible()) {
 630     // There's no toolbar to edge the frame border, so we need to draw a bottom
 631     // edge.  The graphic we use for this has a built in client edge, so we clip
 632     // it off the bottom.
 633     gfx::ImageSkia* top_center = tp->GetImageSkiaNamed(IDR_APP_TOP_CENTER);
 634     int edge_height = top_center->height() - kClientEdgeThickness;
 635     canvas->TileImageInt(*top_center, 0,
 636         frame()->client_view()->y() - edge_height, width(), edge_height);
 637   }
 638 }
 639
 640 void OpaqueBrowserFrameView::PaintToolbarBackground(gfx::Canvas* canvas) {
 641   gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds());
 642   if (toolbar_bounds.IsEmpty())
 643     return;
 644   gfx::Point toolbar_origin(toolbar_bounds.origin());
 645   ConvertPointToTarget(browser_view(), this, &toolbar_origin);
 646   toolbar_bounds.set_origin(toolbar_origin);
 647
 648   int x = toolbar_bounds.x();
 649   int w = toolbar_bounds.width();
 650   int y = toolbar_bounds.y();
 651   int h = toolbar_bounds.height();
 652
 653   // Gross hack: We split the toolbar images into two pieces, since sometimes
 654   // (popup mode) the toolbar isn't tall enough to show the whole image.  The
 655   // split happens between the top shadow section and the bottom gradient
 656   // section so that we never break the gradient.
 657   int split_point = kFrameShadowThickness * 2;
 658   int bottom_y = y + split_point;
 659   ui::ThemeProvider* tp = GetThemeProvider();
 660   gfx::ImageSkia* toolbar_left = tp->GetImageSkiaNamed(
 661       IDR_CONTENT_TOP_LEFT_CORNER);
 662   int bottom_edge_height = std::min(toolbar_left->height(), h) - split_point;
 663
 664   // Split our canvas out so we can mask out the corners of the toolbar
 665   // without masking out the frame.
 666   canvas->SaveLayerAlpha(
 667       255, gfx::Rect(x - kClientEdgeThickness, y, w + kClientEdgeThickness * 3,
 668                      h));
 669
 670   // Paint the bottom rect.
 671   canvas->FillRect(gfx::Rect(x, bottom_y, w, bottom_edge_height),
 672                    tp->GetColor(ThemeProperties::COLOR_TOOLBAR));
 673
 674   // Tile the toolbar image starting at the frame edge on the left and where the
 675   // horizontal tabstrip is (or would be) on the top.
 676   gfx::ImageSkia* theme_toolbar = tp->GetImageSkiaNamed(IDR_THEME_TOOLBAR);
 677   canvas->TileImageInt(*theme_toolbar,
 678                        x + GetThemeBackgroundXInset(),
 679                        bottom_y - GetTopInset(),
 680                        x, bottom_y, w, theme_toolbar->height());
 681
 682   // Draw rounded corners for the tab.
 683   gfx::ImageSkia* toolbar_left_mask =
 684       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK);
 685   gfx::ImageSkia* toolbar_right_mask =
 686       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK);
 687
 688   // We mask out the corners by using the DestinationIn transfer mode,
 689   // which keeps the RGB pixels from the destination and the alpha from
 690   // the source.
 691   SkPaint paint;
 692   paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
 693
 694   // Mask the left edge.
 695   int left_x = x - kContentEdgeShadowThickness;
 696   canvas->DrawImageInt(*toolbar_left_mask, 0, 0, toolbar_left_mask->width(),
 697                        split_point, left_x, y, toolbar_left_mask->width(),
 698                        split_point, false, paint);
 699   canvas->DrawImageInt(*toolbar_left_mask, 0,
 700       toolbar_left_mask->height() - bottom_edge_height,
 701       toolbar_left_mask->width(), bottom_edge_height, left_x, bottom_y,
 702       toolbar_left_mask->width(), bottom_edge_height, false, paint);
 703
 704   // Mask the right edge.
 705   int right_x =
 706       x + w - toolbar_right_mask->width() + kContentEdgeShadowThickness;
 707   canvas->DrawImageInt(*toolbar_right_mask, 0, 0, toolbar_right_mask->width(),
 708                        split_point, right_x, y, toolbar_right_mask->width(),
 709                        split_point, false, paint);
 710   canvas->DrawImageInt(*toolbar_right_mask, 0,
 711       toolbar_right_mask->height() - bottom_edge_height,
 712       toolbar_right_mask->width(), bottom_edge_height, right_x, bottom_y,
 713       toolbar_right_mask->width(), bottom_edge_height, false, paint);
 714   canvas->Restore();
 715
 716   canvas->DrawImageInt(*toolbar_left, 0, 0, toolbar_left->width(), split_point,
 717                        left_x, y, toolbar_left->width(), split_point, false);
 718   canvas->DrawImageInt(*toolbar_left, 0,
 719       toolbar_left->height() - bottom_edge_height, toolbar_left->width(),
 720       bottom_edge_height, left_x, bottom_y, toolbar_left->width(),
 721       bottom_edge_height, false);
 722
 723   gfx::ImageSkia* toolbar_center =
 724       tp->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER);
 725   canvas->TileImageInt(*toolbar_center, 0, 0, left_x + toolbar_left->width(),
 726       y, right_x - (left_x + toolbar_left->width()),
 727       split_point);
 728
 729   gfx::ImageSkia* toolbar_right = tp->GetImageSkiaNamed(
 730       IDR_CONTENT_TOP_RIGHT_CORNER);
 731   canvas->DrawImageInt(*toolbar_right, 0, 0, toolbar_right->width(),
 732       split_point, right_x, y, toolbar_right->width(), split_point, false);
 733   canvas->DrawImageInt(*toolbar_right, 0,
 734       toolbar_right->height() - bottom_edge_height, toolbar_right->width(),
 735       bottom_edge_height, right_x, bottom_y, toolbar_right->width(),
 736       bottom_edge_height, false);
 737
 738   // Draw the content/toolbar separator.
 739   canvas->FillRect(
 740       gfx::Rect(x + kClientEdgeThickness,
 741                 toolbar_bounds.bottom() - kClientEdgeThickness,
 742                 w - (2 * kClientEdgeThickness),
 743                 kClientEdgeThickness),
 744       ThemeProperties::GetDefaultColor(
 745           ThemeProperties::COLOR_TOOLBAR_SEPARATOR));
 746 }
 747
 748 void OpaqueBrowserFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) {
 749   ui::ThemeProvider* tp = GetThemeProvider();
 750   int client_area_top = frame()->client_view()->y();
 751   int image_top = client_area_top;
 752
 753   gfx::Rect client_area_bounds =
 754       layout_->CalculateClientAreaBounds(width(), height());
 755   SkColor toolbar_color = tp->GetColor(ThemeProperties::COLOR_TOOLBAR);
 756
 757   if (browser_view()->IsToolbarVisible()) {
 758     // The client edge images always start below the toolbar corner images.  The
 759     // client edge filled rects start there or at the bottom of the toolbar,
 760     // whichever is shorter.
 761     gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds());
 762
 763     gfx::ImageSkia* content_top_left_corner =
 764         tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER);
 765     // TODO(oshima): Sanity checks for crbug.com/374273. Remove when it's fixed.
 766     CHECK(content_top_left_corner);
 767     CHECK(!content_top_left_corner->isNull());
 768
 769     image_top += toolbar_bounds.y() + content_top_left_corner->height();
 770     client_area_top = std::min(image_top,
 771         client_area_top + toolbar_bounds.bottom() - kClientEdgeThickness);
 772   } else if (!browser_view()->IsTabStripVisible()) {
 773     // The toolbar isn't going to draw a client edge for us, so draw one
 774     // ourselves.
 775     gfx::ImageSkia* top_left = tp->GetImageSkiaNamed(IDR_APP_TOP_LEFT);
 776     gfx::ImageSkia* top_center = tp->GetImageSkiaNamed(IDR_APP_TOP_CENTER);
 777     gfx::ImageSkia* top_right = tp->GetImageSkiaNamed(IDR_APP_TOP_RIGHT);
 778     int top_edge_y = client_area_top - top_center->height();
 779     int height = client_area_top - top_edge_y;
 780
 781     canvas->DrawImageInt(*top_left, 0, 0, top_left->width(), height,
 782         client_area_bounds.x() - top_left->width(), top_edge_y,
 783         top_left->width(), height, false);
 784     canvas->TileImageInt(*top_center, 0, 0, client_area_bounds.x(), top_edge_y,
 785       client_area_bounds.width(), std::min(height, top_center->height()));
 786     canvas->DrawImageInt(*top_right, 0, 0, top_right->width(), height,
 787         client_area_bounds.right(), top_edge_y,
 788         top_right->width(), height, false);
 789
 790     // Draw the toolbar color across the top edge.
 791     canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 792         client_area_top - kClientEdgeThickness,
 793         client_area_bounds.width() + (2 * kClientEdgeThickness),
 794         kClientEdgeThickness), toolbar_color);
 795   }
 796
 797   int client_area_bottom =
 798       std::max(client_area_top, height() - NonClientBorderThickness());
 799   int image_height = client_area_bottom - image_top;
 800
 801   // Draw the client edge images.
 802   gfx::ImageSkia* right = tp->GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE);
 803   canvas->TileImageInt(*right, client_area_bounds.right(), image_top,
 804                        right->width(), image_height);
 805   canvas->DrawImageInt(
 806       *tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER),
 807       client_area_bounds.right(), client_area_bottom);
 808   gfx::ImageSkia* bottom = tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER);
 809   canvas->TileImageInt(*bottom, client_area_bounds.x(),
 810       client_area_bottom, client_area_bounds.width(),
 811       bottom->height());
 812   gfx::ImageSkia* bottom_left =
 813       tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
 814   canvas->DrawImageInt(*bottom_left,
 815       client_area_bounds.x() - bottom_left->width(), client_area_bottom);
 816   gfx::ImageSkia* left = tp->GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE);
 817   canvas->TileImageInt(*left, client_area_bounds.x() - left->width(),
 818                        image_top, left->width(), image_height);
 819
 820   // Draw the toolbar color so that the client edges show the right color even
 821   // where not covered by the toolbar image.  NOTE: We do this after drawing the
 822   // images because the images are meant to alpha-blend atop the frame whereas
 823   // these rects are meant to be fully opaque, without anything overlaid.
 824   canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 825       client_area_top, kClientEdgeThickness,
 826       client_area_bottom + kClientEdgeThickness - client_area_top),
 827        toolbar_color);
 828   canvas->FillRect(gfx::Rect(client_area_bounds.x(), client_area_bottom,
 829                              client_area_bounds.width(), kClientEdgeThickness),
 830                    toolbar_color);
 831   canvas->FillRect(gfx::Rect(client_area_bounds.right(), client_area_top,
 832       kClientEdgeThickness,
 833       client_area_bottom + kClientEdgeThickness - client_area_top),
 834       toolbar_color);
 835 }
 836
 837 SkColor OpaqueBrowserFrameView::GetFrameColor() const {
 838   bool is_incognito = browser_view()->IsOffTheRecord();
 839   ThemeProperties::OverwritableByUserThemeProperty color_id;
 840   if (ShouldPaintAsActive()) {
 841     color_id = is_incognito ?
 842                ThemeProperties::COLOR_FRAME_INCOGNITO :
 843                ThemeProperties::COLOR_FRAME;
 844   } else {
 845     color_id = is_incognito ?
 846                ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE :
 847                ThemeProperties::COLOR_FRAME_INACTIVE;
 848   }
 849
 850   if (browser_view()->IsBrowserTypeNormal() ||
 851       platform_observer_->IsUsingSystemTheme()) {
 852     return GetThemeProvider()->GetColor(color_id);
 853   }
 854
 855   // Never theme app and popup windows unless the |platform_observer_|
 856   // requested an override.
 857   return ThemeProperties::GetDefaultColor(color_id);
 858 }
 859
 860 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameImage() const {
 861   bool is_incognito = browser_view()->IsOffTheRecord();
 862   int resource_id;
 863   if (browser_view()->IsBrowserTypeNormal()) {
 864     if (ShouldPaintAsActive()) {
 865       resource_id = is_incognito ?
 866           IDR_THEME_FRAME_INCOGNITO : IDR_THEME_FRAME;
 867     } else {
 868       resource_id = is_incognito ?
 869           IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 870     }
 871     return GetThemeProvider()->GetImageSkiaNamed(resource_id);
 872   }
 873   if (ShouldPaintAsActive()) {
 874     resource_id = is_incognito ?
 875         IDR_THEME_FRAME_INCOGNITO : IDR_FRAME;
 876   } else {
 877     resource_id = is_incognito ?
 878         IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 879   }
 880
 881   if (platform_observer_->IsUsingSystemTheme()) {
 882     // We want to use theme images provided by the system theme when enabled,
 883     // even if we are an app or popup window.
 884     return GetThemeProvider()->GetImageSkiaNamed(resource_id);
 885   }
 886
 887   // Otherwise, never theme app and popup windows.
 888   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 889   return rb.GetImageSkiaNamed(chrome::MapThemeImage(
 890       chrome::GetHostDesktopTypeForNativeWindow(
 891           browser_view()->GetNativeWindow()),
 892       resource_id));
 893 }
 894
 895 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameOverlayImage() const {
 896   ui::ThemeProvider* tp = GetThemeProvider();
 897   if (tp->HasCustomImage(IDR_THEME_FRAME_OVERLAY) &&
 898       browser_view()->IsBrowserTypeNormal() &&
 899       !browser_view()->IsOffTheRecord()) {
 900     return tp->GetImageSkiaNamed(ShouldPaintAsActive() ?
 901         IDR_THEME_FRAME_OVERLAY : IDR_THEME_FRAME_OVERLAY_INACTIVE);
 902   }
 903   return NULL;
 904 }
 905
 906 int OpaqueBrowserFrameView::GetTopAreaHeight() const {
 907   gfx::ImageSkia* frame_image = GetFrameImage();
 908   int top_area_height = frame_image->height();
 909   if (browser_view()->IsTabStripVisible()) {
 910     top_area_height = std::max(top_area_height,
 911       GetBoundsForTabStrip(browser_view()->tabstrip()).bottom());
 912   }
 913   return top_area_height;
 914 }