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/command_line.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/prefs/pref_service.h"
  13 #include "base/strings/utf_string_conversions.h"
  14 #include "chrome/browser/chrome_notification_types.h"
  15 #include "chrome/browser/profiles/profiles_state.h"
  16 #include "chrome/browser/themes/theme_properties.h"
  17 #include "chrome/browser/ui/views/avatar_label.h"
  18 #include "chrome/browser/ui/views/avatar_menu_button.h"
  19 #include "chrome/browser/ui/views/frame/browser_frame.h"
  20 #include "chrome/browser/ui/views/frame/browser_view.h"
  21 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout.h"
  22 #include "chrome/browser/ui/views/frame/opaque_browser_frame_view_platform_specific.h"
  23 #include "chrome/browser/ui/views/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/toolbar_view.h"
  27 #include "chrome/common/chrome_switches.h"
  28 #include "chrome/common/pref_names.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/base/accessibility/accessible_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.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/views/controls/button/image_button.h"
  46 #include "ui/views/controls/image_view.h"
  47 #include "ui/views/controls/label.h"
  48 #include "ui/views/layout/layout_constants.h"
  49 #include "ui/views/widget/root_view.h"
  50 #include "ui/views/window/frame_background.h"
  51 #include "ui/views/window/window_shape.h"
  52
  53 using content::WebContents;
  54
  55 namespace {
  56
  57 // While resize areas on Windows are normally the same size as the window
  58 // borders, our top area is shrunk by 1 px to make it easier to move the window
  59 // around with our thinner top grabbable strip.  (Incidentally, our side and
  60 // bottom resize areas don't match the frame border thickness either -- they
  61 // span the whole nonclient area, so there's no "dead zone" for the mouse.)
  62 const int kTopResizeAdjust = 1;
  63
  64 // In the window corners, the resize areas don't actually expand bigger, but the
  65 // 16 px at the end of each edge triggers diagonal resizing.
  66 const int kResizeAreaCornerSize = 16;
  67
  68 // The content left/right images have a shadow built into them.
  69 const int kContentEdgeShadowThickness = 2;
  70
  71 // The icon never shrinks below 16 px on a side.
  72 const int kIconMinimumSize = 16;
  73
  74 // The top 3 px of the tabstrip is shadow; in maximized mode we push this off
  75 // the top of the screen so the tabs appear flush against the screen edge.
  76 const int kTabstripTopShadowThickness = 3;
  77
  78 // Converts |bounds| from |src|'s coordinate system to |dst|, and checks if
  79 // |pt| is contained within.
  80 bool ConvertedContainsCheck(gfx::Rect bounds, const views::View* src,
  81                             const views::View* dst, const gfx::Point& pt) {
  82   DCHECK(src);
  83   DCHECK(dst);
  84   gfx::Point origin(bounds.origin());
  85   views::View::ConvertPointToTarget(src, dst, &origin);
  86   bounds.set_origin(origin);
  87   return bounds.Contains(pt);
  88 }
  89
  90 }  // namespace
  91
  92 ///////////////////////////////////////////////////////////////////////////////
  93 // OpaqueBrowserFrameView, public:
  94
  95 OpaqueBrowserFrameView::OpaqueBrowserFrameView(BrowserFrame* frame,
  96                                                BrowserView* browser_view)
  97     : BrowserNonClientFrameView(frame, browser_view),
  98       layout_(new OpaqueBrowserFrameViewLayout(this)),
  99       minimize_button_(NULL),
 100       maximize_button_(NULL),
 101       restore_button_(NULL),
 102       close_button_(NULL),
 103       window_icon_(NULL),
 104       window_title_(NULL),
 105       frame_background_(new views::FrameBackground()) {
 106   SetLayoutManager(layout_);
 107
 108   if (OpaqueBrowserFrameViewLayout::ShouldAddDefaultCaptionButtons()) {
 109     minimize_button_ = InitWindowCaptionButton(IDR_MINIMIZE,
 110                                                IDR_MINIMIZE_H,
 111                                                IDR_MINIMIZE_P,
 112                                                IDR_MINIMIZE_BUTTON_MASK,
 113                                                IDS_ACCNAME_MINIMIZE,
 114                                                VIEW_ID_MINIMIZE_BUTTON);
 115     maximize_button_ = InitWindowCaptionButton(IDR_MAXIMIZE,
 116                                                IDR_MAXIMIZE_H,
 117                                                IDR_MAXIMIZE_P,
 118                                                IDR_MAXIMIZE_BUTTON_MASK,
 119                                                IDS_ACCNAME_MAXIMIZE,
 120                                                VIEW_ID_MAXIMIZE_BUTTON);
 121     restore_button_ = InitWindowCaptionButton(IDR_RESTORE,
 122                                               IDR_RESTORE_H,
 123                                               IDR_RESTORE_P,
 124                                               IDR_RESTORE_BUTTON_MASK,
 125                                               IDS_ACCNAME_RESTORE,
 126                                               VIEW_ID_RESTORE_BUTTON);
 127     close_button_ = InitWindowCaptionButton(IDR_CLOSE,
 128                                             IDR_CLOSE_H,
 129                                             IDR_CLOSE_P,
 130                                             IDR_CLOSE_BUTTON_MASK,
 131                                             IDS_ACCNAME_CLOSE,
 132                                             VIEW_ID_CLOSE_BUTTON);
 133   }
 134
 135   // Initializing the TabIconView is expensive, so only do it if we need to.
 136   if (browser_view->ShouldShowWindowIcon()) {
 137     window_icon_ = new TabIconView(this);
 138     window_icon_->set_is_light(true);
 139     window_icon_->set_id(VIEW_ID_WINDOW_ICON);
 140     AddChildView(window_icon_);
 141     window_icon_->Update();
 142   }
 143
 144   window_title_ = new views::Label(browser_view->GetWindowTitle(),
 145                                    BrowserFrame::GetTitleFont());
 146   window_title_->SetVisible(browser_view->ShouldShowWindowTitle());
 147   window_title_->SetEnabledColor(SK_ColorWHITE);
 148   // TODO(msw): Use a transparent background color as a workaround to use the
 149   // gfx::Canvas::NO_SUBPIXEL_RENDERING flag and avoid some visual artifacts.
 150   window_title_->SetBackgroundColor(0x00000000);
 151   window_title_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 152   window_title_->set_id(VIEW_ID_WINDOW_TITLE);
 153   AddChildView(window_title_);
 154
 155   if (browser_view->IsRegularOrGuestSession() &&
 156       profiles::IsNewProfileManagementEnabled())
 157     UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 158   else
 159     UpdateAvatarInfo();
 160
 161   if (!browser_view->IsOffTheRecord()) {
 162     registrar_.Add(this, chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 163                    content::NotificationService::AllSources());
 164   }
 165
 166   platform_observer_.reset(
 167       OpaqueBrowserFrameViewPlatformSpecific::Create(this, layout_));
 168 }
 169
 170 OpaqueBrowserFrameView::~OpaqueBrowserFrameView() {
 171 }
 172
 173 ///////////////////////////////////////////////////////////////////////////////
 174 // OpaqueBrowserFrameView, BrowserNonClientFrameView implementation:
 175
 176 gfx::Rect OpaqueBrowserFrameView::GetBoundsForTabStrip(
 177     views::View* tabstrip) const {
 178   if (!tabstrip)
 179     return gfx::Rect();
 180
 181   return layout_->GetBoundsForTabStrip(tabstrip->GetPreferredSize(), width());
 182 }
 183
 184 BrowserNonClientFrameView::TabStripInsets
 185 OpaqueBrowserFrameView::GetTabStripInsets(bool restored) const {
 186   if (!browser_view()->IsTabStripVisible())
 187     return TabStripInsets();
 188   // TODO: include OTR and caption.
 189   return TabStripInsets(layout_->GetTabStripInsetsTop(restored), 0, 0);
 190 }
 191
 192 int OpaqueBrowserFrameView::GetThemeBackgroundXInset() const {
 193   return 0;
 194 }
 195
 196 void OpaqueBrowserFrameView::UpdateThrobber(bool running) {
 197   if (window_icon_)
 198     window_icon_->Update();
 199 }
 200
 201 gfx::Size OpaqueBrowserFrameView::GetMinimumSize() {
 202   return layout_->GetMinimumSize(width());
 203 }
 204
 205 ///////////////////////////////////////////////////////////////////////////////
 206 // OpaqueBrowserFrameView, views::NonClientFrameView implementation:
 207
 208 gfx::Rect OpaqueBrowserFrameView::GetBoundsForClientView() const {
 209   return layout_->client_view_bounds();
 210 }
 211
 212 gfx::Rect OpaqueBrowserFrameView::GetWindowBoundsForClientBounds(
 213     const gfx::Rect& client_bounds) const {
 214   return layout_->GetWindowBoundsForClientBounds(client_bounds);
 215 }
 216
 217 int OpaqueBrowserFrameView::NonClientHitTest(const gfx::Point& point) {
 218   if (!bounds().Contains(point))
 219     return HTNOWHERE;
 220
 221   // See if the point is within the avatar menu button or within the avatar
 222   // label.
 223   if ((avatar_button() &&
 224        avatar_button()->GetMirroredBounds().Contains(point)) ||
 225       (avatar_label() && avatar_label()->GetMirroredBounds().Contains(point)) ||
 226       (new_avatar_button() &&
 227        new_avatar_button()->GetMirroredBounds().Contains(point)))
 228     return HTCLIENT;
 229
 230   int frame_component = frame()->client_view()->NonClientHitTest(point);
 231
 232   // See if we're in the sysmenu region.  We still have to check the tabstrip
 233   // first so that clicks in a tab don't get treated as sysmenu clicks.
 234   gfx::Rect sysmenu_rect(IconBounds());
 235   // In maximized mode we extend the rect to the screen corner to take advantage
 236   // of Fitts' Law.
 237   if (frame()->IsMaximized())
 238     sysmenu_rect.SetRect(0, 0, sysmenu_rect.right(), sysmenu_rect.bottom());
 239   sysmenu_rect.set_x(GetMirroredXForRect(sysmenu_rect));
 240   if (sysmenu_rect.Contains(point))
 241     return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
 242
 243   if (frame_component != HTNOWHERE)
 244     return frame_component;
 245
 246   // Then see if the point is within any of the window controls.
 247   if (close_button_ && close_button_->visible() &&
 248       close_button_->GetMirroredBounds().Contains(point))
 249     return HTCLOSE;
 250   if (restore_button_ && restore_button_->visible() &&
 251       restore_button_->GetMirroredBounds().Contains(point))
 252     return HTMAXBUTTON;
 253   if (maximize_button_ && maximize_button_->visible() &&
 254       maximize_button_->GetMirroredBounds().Contains(point))
 255     return HTMAXBUTTON;
 256   if (minimize_button_ && minimize_button_->visible() &&
 257       minimize_button_->GetMirroredBounds().Contains(point))
 258     return HTMINBUTTON;
 259
 260   views::WidgetDelegate* delegate = frame()->widget_delegate();
 261   if (!delegate) {
 262     LOG(WARNING) << "delegate is NULL, returning safe default.";
 263     return HTCAPTION;
 264   }
 265   int window_component = GetHTComponentForFrame(point, TopResizeHeight(),
 266       NonClientBorderThickness(), kResizeAreaCornerSize, kResizeAreaCornerSize,
 267       delegate->CanResize());
 268   // Fall back to the caption if no other component matches.
 269   return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
 270 }
 271
 272 void OpaqueBrowserFrameView::GetWindowMask(const gfx::Size& size,
 273                                            gfx::Path* window_mask) {
 274   DCHECK(window_mask);
 275
 276   if (frame()->IsMaximized() || frame()->IsFullscreen())
 277     return;
 278
 279   views::GetDefaultWindowMask(size, window_mask);
 280 }
 281
 282 void OpaqueBrowserFrameView::ResetWindowControls() {
 283   if (!OpaqueBrowserFrameViewLayout::ShouldAddDefaultCaptionButtons())
 284     return;
 285   restore_button_->SetState(views::CustomButton::STATE_NORMAL);
 286   minimize_button_->SetState(views::CustomButton::STATE_NORMAL);
 287   maximize_button_->SetState(views::CustomButton::STATE_NORMAL);
 288   // The close button isn't affected by this constraint.
 289 }
 290
 291 void OpaqueBrowserFrameView::UpdateWindowIcon() {
 292   window_icon_->SchedulePaint();
 293 }
 294
 295 void OpaqueBrowserFrameView::UpdateWindowTitle() {
 296   if (!frame()->IsFullscreen())
 297     window_title_->SchedulePaint();
 298 }
 299
 300 ///////////////////////////////////////////////////////////////////////////////
 301 // OpaqueBrowserFrameView, views::View overrides:
 302
 303 void OpaqueBrowserFrameView::OnPaint(gfx::Canvas* canvas) {
 304   if (frame()->IsFullscreen())
 305     return;  // Nothing is visible, so don't bother to paint.
 306
 307   if (frame()->IsMaximized())
 308     PaintMaximizedFrameBorder(canvas);
 309   else
 310     PaintRestoredFrameBorder(canvas);
 311
 312   // The window icon and title are painted by their respective views.
 313   /* TODO(pkasting):  If this window is active, we should also draw a drop
 314    * shadow on the title.  This is tricky, because we don't want to hardcode a
 315    * shadow color (since we want to work with various themes), but we can't
 316    * alpha-blend either (since the Windows text APIs don't really do this).
 317    * So we'd need to sample the background color at the right location and
 318    * synthesize a good shadow color. */
 319
 320   if (browser_view()->IsToolbarVisible())
 321     PaintToolbarBackground(canvas);
 322   if (!frame()->IsMaximized())
 323     PaintRestoredClientEdge(canvas);
 324 }
 325
 326 bool OpaqueBrowserFrameView::HitTestRect(const gfx::Rect& rect) const {
 327   if (!views::View::HitTestRect(rect)) {
 328     // |rect| is outside OpaqueBrowserFrameView's bounds.
 329     return false;
 330   }
 331
 332   // If the rect is outside the bounds of the client area, claim it.
 333   // TODO(tdanderson): Implement View::ConvertRectToTarget().
 334   gfx::Point rect_in_client_view_coords_origin(rect.origin());
 335   View::ConvertPointToTarget(this, frame()->client_view(),
 336       &rect_in_client_view_coords_origin);
 337   gfx::Rect rect_in_client_view_coords(
 338       rect_in_client_view_coords_origin, rect.size());
 339   if (!frame()->client_view()->HitTestRect(rect_in_client_view_coords))
 340     return true;
 341
 342   // Otherwise, claim |rect| only if it is above the bottom of the tabstrip in
 343   // a non-tab portion.
 344   TabStrip* tabstrip = browser_view()->tabstrip();
 345   if (!tabstrip || !browser_view()->IsTabStripVisible())
 346     return false;
 347
 348   gfx::Point rect_in_tabstrip_coords_origin(rect.origin());
 349   View::ConvertPointToTarget(this, tabstrip,
 350       &rect_in_tabstrip_coords_origin);
 351   gfx::Rect rect_in_tabstrip_coords(
 352       rect_in_tabstrip_coords_origin, rect.size());
 353
 354   if (rect_in_tabstrip_coords.bottom() > tabstrip->GetLocalBounds().bottom()) {
 355     // |rect| is below the tabstrip.
 356     return false;
 357   }
 358
 359   if (tabstrip->HitTestRect(rect_in_tabstrip_coords)) {
 360     // Claim |rect| if it is in a non-tab portion of the tabstrip.
 361     // TODO(tdanderson): Pass |rect_in_tabstrip_coords| instead of its center
 362     // point to TabStrip::IsPositionInWindowCaption() once
 363     // GetEventHandlerForRect() is implemented.
 364     return tabstrip->IsPositionInWindowCaption(
 365         rect_in_tabstrip_coords.CenterPoint());
 366   }
 367
 368   // The window switcher button is to the right of the tabstrip but is
 369   // part of the client view.
 370   views::View* window_switcher_button =
 371       browser_view()->window_switcher_button();
 372   if (window_switcher_button && window_switcher_button->visible()) {
 373     gfx::Point rect_in_window_switcher_coords_origin(rect.origin());
 374     View::ConvertPointToTarget(this, window_switcher_button,
 375         &rect_in_window_switcher_coords_origin);
 376     gfx::Rect rect_in_window_switcher_coords(
 377         rect_in_window_switcher_coords_origin, rect.size());
 378
 379     if (window_switcher_button->HitTestRect(rect_in_window_switcher_coords))
 380       return false;
 381   }
 382
 383   // We claim |rect| because it is above the bottom of the tabstrip, but
 384   // neither in the tabstrip nor in the window switcher button. In particular,
 385   // the avatar label/button is left of the tabstrip and the window controls
 386   // are right of the tabstrip.
 387   return true;
 388 }
 389
 390 void OpaqueBrowserFrameView::GetAccessibleState(
 391     ui::AccessibleViewState* state) {
 392   state->role = ui::AccessibilityTypes::ROLE_TITLEBAR;
 393 }
 394
 395 ///////////////////////////////////////////////////////////////////////////////
 396 // OpaqueBrowserFrameView, views::ButtonListener implementation:
 397
 398 void OpaqueBrowserFrameView::ButtonPressed(views::Button* sender,
 399                                            const ui::Event& event) {
 400   if (sender == minimize_button_)
 401     frame()->Minimize();
 402   else if (sender == maximize_button_)
 403     frame()->Maximize();
 404   else if (sender == restore_button_)
 405     frame()->Restore();
 406   else if (sender == close_button_)
 407     frame()->Close();
 408   else if (sender == new_avatar_button())
 409     ShowProfileChooserViewBubble();
 410 }
 411
 412 ///////////////////////////////////////////////////////////////////////////////
 413 // OpaqueBrowserFrameView, TabIconView::TabContentsProvider implementation:
 414
 415 bool OpaqueBrowserFrameView::ShouldTabIconViewAnimate() const {
 416   // This function is queried during the creation of the window as the
 417   // TabIconView we host is initialized, so we need to NULL check the selected
 418   // WebContents because in this condition there is not yet a selected tab.
 419   WebContents* current_tab = browser_view()->GetActiveWebContents();
 420   return current_tab ? current_tab->IsLoading() : false;
 421 }
 422
 423 gfx::ImageSkia OpaqueBrowserFrameView::GetFaviconForTabIconView() {
 424   views::WidgetDelegate* delegate = frame()->widget_delegate();
 425   if (!delegate) {
 426     LOG(WARNING) << "delegate is NULL, returning safe default.";
 427     return gfx::ImageSkia();
 428   }
 429   return delegate->GetWindowIcon();
 430 }
 431
 432 ///////////////////////////////////////////////////////////////////////////////
 433 // OpaqueBrowserFrameView, protected:
 434
 435 void OpaqueBrowserFrameView::Observe(
 436     int type,
 437     const content::NotificationSource& source,
 438     const content::NotificationDetails& details) {
 439   switch (type) {
 440     case chrome::NOTIFICATION_PROFILE_CACHED_INFO_CHANGED:
 441       if (browser_view() ->IsRegularOrGuestSession() &&
 442           profiles::IsNewProfileManagementEnabled())
 443         UpdateNewStyleAvatarInfo(this, NewAvatarButton::THEMED_BUTTON);
 444       else
 445         UpdateAvatarInfo();
 446       break;
 447     default:
 448       NOTREACHED() << "Got a notification we didn't register for!";
 449       break;
 450   }
 451 }
 452
 453 ///////////////////////////////////////////////////////////////////////////////
 454 // OpaqueBrowserFrameView, OpaqueBrowserFrameViewLayoutDelegate implementation:
 455
 456 bool OpaqueBrowserFrameView::ShouldShowWindowIcon() const {
 457   views::WidgetDelegate* delegate = frame()->widget_delegate();
 458   return delegate && delegate->ShouldShowWindowIcon();
 459 }
 460
 461 bool OpaqueBrowserFrameView::ShouldShowWindowTitle() const {
 462   // |delegate| may be NULL if called from callback of InputMethodChanged while
 463   // a window is being destroyed.
 464   // See more discussion at http://crosbug.com/8958
 465   views::WidgetDelegate* delegate = frame()->widget_delegate();
 466   return delegate && delegate->ShouldShowWindowTitle();
 467 }
 468
 469 string16 OpaqueBrowserFrameView::GetWindowTitle() const {
 470   return frame()->widget_delegate()->GetWindowTitle();
 471 }
 472
 473 int OpaqueBrowserFrameView::GetIconSize() const {
 474 #if defined(OS_WIN)
 475   // This metric scales up if either the titlebar height or the titlebar font
 476   // size are increased.
 477   return GetSystemMetrics(SM_CYSMICON);
 478 #else
 479   return std::max(BrowserFrame::GetTitleFont().GetHeight(), kIconMinimumSize);
 480 #endif
 481 }
 482
 483 bool OpaqueBrowserFrameView::ShouldLeaveOffsetNearTopBorder() const {
 484   return frame()->ShouldLeaveOffsetNearTopBorder();
 485 }
 486
 487 gfx::Size OpaqueBrowserFrameView::GetBrowserViewMinimumSize() const {
 488   return browser_view()->GetMinimumSize();
 489 }
 490
 491 bool OpaqueBrowserFrameView::ShouldShowAvatar() const {
 492   return browser_view()->ShouldShowAvatar();
 493 }
 494
 495 bool OpaqueBrowserFrameView::IsRegularOrGuestSession() const {
 496   return browser_view()->IsRegularOrGuestSession();
 497 }
 498
 499 gfx::ImageSkia OpaqueBrowserFrameView::GetOTRAvatarIcon() const {
 500   return browser_view()->GetOTRAvatarIcon();
 501 }
 502
 503 bool OpaqueBrowserFrameView::IsMaximized() const {
 504   return frame()->IsMaximized();
 505 }
 506
 507 bool OpaqueBrowserFrameView::IsMinimized() const {
 508   return frame()->IsMinimized();
 509 }
 510
 511 bool OpaqueBrowserFrameView::IsFullscreen() const {
 512   return frame()->IsFullscreen();
 513 }
 514
 515 bool OpaqueBrowserFrameView::IsTabStripVisible() const {
 516   return browser_view()->IsTabStripVisible();
 517 }
 518
 519 int OpaqueBrowserFrameView::GetTabStripHeight() const {
 520   return browser_view()->GetTabStripHeight();
 521 }
 522
 523 int OpaqueBrowserFrameView::GetAdditionalReservedSpaceInTabStrip() const {
 524   // We don't have the sysmenu buttons in Windows 8 metro mode. However there
 525   // are buttons like the window switcher which are drawn in the non client
 526   // are in the BrowserView. We need to ensure that the tab strip does not
 527   // draw on the window switcher button.
 528   views::View* button = browser_view()->window_switcher_button();
 529   return button ? button->width() : 0;
 530 }
 531
 532 gfx::Size OpaqueBrowserFrameView::GetTabstripPreferredSize() const {
 533   gfx::Size s = browser_view()->tabstrip()->GetPreferredSize();
 534   return s;
 535 }
 536
 537 ///////////////////////////////////////////////////////////////////////////////
 538 // OpaqueBrowserFrameView, private:
 539
 540 views::ImageButton* OpaqueBrowserFrameView::InitWindowCaptionButton(
 541     int normal_image_id,
 542     int hot_image_id,
 543     int pushed_image_id,
 544     int mask_image_id,
 545     int accessibility_string_id,
 546     ViewID view_id) {
 547   views::ImageButton* button = new views::ImageButton(this);
 548   ui::ThemeProvider* tp = frame()->GetThemeProvider();
 549   button->SetImage(views::CustomButton::STATE_NORMAL,
 550                    tp->GetImageSkiaNamed(normal_image_id));
 551   button->SetImage(views::CustomButton::STATE_HOVERED,
 552                    tp->GetImageSkiaNamed(hot_image_id));
 553   button->SetImage(views::CustomButton::STATE_PRESSED,
 554                    tp->GetImageSkiaNamed(pushed_image_id));
 555   if (browser_view()->IsBrowserTypeNormal()) {
 556     button->SetBackground(
 557         tp->GetColor(ThemeProperties::COLOR_BUTTON_BACKGROUND),
 558         tp->GetImageSkiaNamed(IDR_THEME_WINDOW_CONTROL_BACKGROUND),
 559         tp->GetImageSkiaNamed(mask_image_id));
 560   }
 561   button->SetAccessibleName(
 562       l10n_util::GetStringUTF16(accessibility_string_id));
 563   button->set_id(view_id);
 564   AddChildView(button);
 565   return button;
 566 }
 567
 568 int OpaqueBrowserFrameView::FrameBorderThickness(bool restored) const {
 569   return layout_->FrameBorderThickness(restored);
 570 }
 571
 572 int OpaqueBrowserFrameView::TopResizeHeight() const {
 573   return FrameBorderThickness(false) - kTopResizeAdjust;
 574 }
 575
 576 int OpaqueBrowserFrameView::NonClientBorderThickness() const {
 577   return layout_->NonClientBorderThickness();
 578 }
 579
 580 gfx::Rect OpaqueBrowserFrameView::IconBounds() const {
 581   return layout_->IconBounds();
 582 }
 583
 584 void OpaqueBrowserFrameView::PaintRestoredFrameBorder(gfx::Canvas* canvas) {
 585   frame_background_->set_frame_color(GetFrameColor());
 586   frame_background_->set_theme_image(GetFrameImage());
 587   frame_background_->set_theme_overlay_image(GetFrameOverlayImage());
 588   frame_background_->set_top_area_height(GetTopAreaHeight());
 589
 590   ui::ThemeProvider* tp = GetThemeProvider();
 591   frame_background_->SetSideImages(
 592       tp->GetImageSkiaNamed(IDR_WINDOW_LEFT_SIDE),
 593       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_CENTER),
 594       tp->GetImageSkiaNamed(IDR_WINDOW_RIGHT_SIDE),
 595       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_CENTER));
 596   frame_background_->SetCornerImages(
 597       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_LEFT_CORNER),
 598       tp->GetImageSkiaNamed(IDR_WINDOW_TOP_RIGHT_CORNER),
 599       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_LEFT_CORNER),
 600       tp->GetImageSkiaNamed(IDR_WINDOW_BOTTOM_RIGHT_CORNER));
 601   frame_background_->PaintRestored(canvas, this);
 602
 603   // Note: When we don't have a toolbar, we need to draw some kind of bottom
 604   // edge here.  Because the App Window graphics we use for this have an
 605   // attached client edge and their sizing algorithm is a little involved, we do
 606   // all this in PaintRestoredClientEdge().
 607 }
 608
 609 void OpaqueBrowserFrameView::PaintMaximizedFrameBorder(gfx::Canvas* canvas) {
 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
 615   // Theme frame must be aligned with the tabstrip as if we were
 616   // in restored mode.  Note that the top of the tabstrip is
 617   // kTabstripTopShadowThickness px off the top of the screen.
 618   int theme_background_y = -(GetTabStripInsets(true).top +
 619       kTabstripTopShadowThickness);
 620   frame_background_->set_theme_background_y(theme_background_y);
 621
 622   frame_background_->PaintMaximized(canvas, this);
 623
 624   // TODO(jamescook): Migrate this into FrameBackground.
 625   if (!browser_view()->IsToolbarVisible()) {
 626     // There's no toolbar to edge the frame border, so we need to draw a bottom
 627     // edge.  The graphic we use for this has a built in client edge, so we clip
 628     // it off the bottom.
 629     gfx::ImageSkia* top_center =
 630         GetThemeProvider()->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 - GetTabStripInsets(false).top,
 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     image_top += toolbar_bounds.y() +
 760         tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER)->height();
 761     client_area_top = std::min(image_top,
 762         client_area_top + toolbar_bounds.bottom() - kClientEdgeThickness);
 763   } else if (!browser_view()->IsTabStripVisible()) {
 764     // The toolbar isn't going to draw a client edge for us, so draw one
 765     // ourselves.
 766     gfx::ImageSkia* top_left = tp->GetImageSkiaNamed(IDR_APP_TOP_LEFT);
 767     gfx::ImageSkia* top_center = tp->GetImageSkiaNamed(IDR_APP_TOP_CENTER);
 768     gfx::ImageSkia* top_right = tp->GetImageSkiaNamed(IDR_APP_TOP_RIGHT);
 769     int top_edge_y = client_area_top - top_center->height();
 770     int height = client_area_top - top_edge_y;
 771
 772     canvas->DrawImageInt(*top_left, 0, 0, top_left->width(), height,
 773         client_area_bounds.x() - top_left->width(), top_edge_y,
 774         top_left->width(), height, false);
 775     canvas->TileImageInt(*top_center, 0, 0, client_area_bounds.x(), top_edge_y,
 776       client_area_bounds.width(), std::min(height, top_center->height()));
 777     canvas->DrawImageInt(*top_right, 0, 0, top_right->width(), height,
 778         client_area_bounds.right(), top_edge_y,
 779         top_right->width(), height, false);
 780
 781     // Draw the toolbar color across the top edge.
 782     canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 783         client_area_top - kClientEdgeThickness,
 784         client_area_bounds.width() + (2 * kClientEdgeThickness),
 785         kClientEdgeThickness), toolbar_color);
 786   }
 787
 788   int client_area_bottom =
 789       std::max(client_area_top, height() - NonClientBorderThickness());
 790   int image_height = client_area_bottom - image_top;
 791
 792   // Draw the client edge images.
 793   gfx::ImageSkia* right = tp->GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE);
 794   canvas->TileImageInt(*right, client_area_bounds.right(), image_top,
 795                        right->width(), image_height);
 796   canvas->DrawImageInt(
 797       *tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER),
 798       client_area_bounds.right(), client_area_bottom);
 799   gfx::ImageSkia* bottom = tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER);
 800   canvas->TileImageInt(*bottom, client_area_bounds.x(),
 801       client_area_bottom, client_area_bounds.width(),
 802       bottom->height());
 803   gfx::ImageSkia* bottom_left =
 804       tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
 805   canvas->DrawImageInt(*bottom_left,
 806       client_area_bounds.x() - bottom_left->width(), client_area_bottom);
 807   gfx::ImageSkia* left = tp->GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE);
 808   canvas->TileImageInt(*left, client_area_bounds.x() - left->width(),
 809                        image_top, left->width(), image_height);
 810
 811   // Draw the toolbar color so that the client edges show the right color even
 812   // where not covered by the toolbar image.  NOTE: We do this after drawing the
 813   // images because the images are meant to alpha-blend atop the frame whereas
 814   // these rects are meant to be fully opaque, without anything overlaid.
 815   canvas->FillRect(gfx::Rect(client_area_bounds.x() - kClientEdgeThickness,
 816       client_area_top, kClientEdgeThickness,
 817       client_area_bottom + kClientEdgeThickness - client_area_top),
 818        toolbar_color);
 819   canvas->FillRect(gfx::Rect(client_area_bounds.x(), client_area_bottom,
 820                              client_area_bounds.width(), kClientEdgeThickness),
 821                    toolbar_color);
 822   canvas->FillRect(gfx::Rect(client_area_bounds.right(), client_area_top,
 823       kClientEdgeThickness,
 824       client_area_bottom + kClientEdgeThickness - client_area_top),
 825       toolbar_color);
 826 }
 827
 828 SkColor OpaqueBrowserFrameView::GetFrameColor() const {
 829   bool is_incognito = browser_view()->IsOffTheRecord();
 830   if (browser_view()->IsBrowserTypeNormal()) {
 831     if (ShouldPaintAsActive()) {
 832       return GetThemeProvider()->GetColor(is_incognito ?
 833           ThemeProperties::COLOR_FRAME_INCOGNITO :
 834           ThemeProperties::COLOR_FRAME);
 835     }
 836     return GetThemeProvider()->GetColor(is_incognito ?
 837         ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE :
 838         ThemeProperties::COLOR_FRAME_INACTIVE);
 839   }
 840   // Never theme app and popup windows.
 841   if (ShouldPaintAsActive()) {
 842     return ThemeProperties::GetDefaultColor(is_incognito ?
 843         ThemeProperties::COLOR_FRAME_INCOGNITO : ThemeProperties::COLOR_FRAME);
 844   }
 845   return ThemeProperties::GetDefaultColor(is_incognito ?
 846       ThemeProperties::COLOR_FRAME_INCOGNITO_INACTIVE :
 847       ThemeProperties::COLOR_FRAME_INACTIVE);
 848 }
 849
 850 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameImage() const {
 851   bool is_incognito = browser_view()->IsOffTheRecord();
 852   int resource_id;
 853   if (browser_view()->IsBrowserTypeNormal()) {
 854     if (ShouldPaintAsActive()) {
 855       resource_id = is_incognito ?
 856           IDR_THEME_FRAME_INCOGNITO : IDR_THEME_FRAME;
 857     } else {
 858       resource_id = is_incognito ?
 859           IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 860     }
 861     return GetThemeProvider()->GetImageSkiaNamed(resource_id);
 862   }
 863   // Never theme app and popup windows.
 864   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 865   if (ShouldPaintAsActive()) {
 866     resource_id = is_incognito ?
 867         IDR_THEME_FRAME_INCOGNITO : IDR_FRAME;
 868   } else {
 869     resource_id = is_incognito ?
 870         IDR_THEME_FRAME_INCOGNITO_INACTIVE : IDR_THEME_FRAME_INACTIVE;
 871   }
 872   return rb.GetImageSkiaNamed(resource_id);
 873 }
 874
 875 gfx::ImageSkia* OpaqueBrowserFrameView::GetFrameOverlayImage() const {
 876   ui::ThemeProvider* tp = GetThemeProvider();
 877   if (tp->HasCustomImage(IDR_THEME_FRAME_OVERLAY) &&
 878       browser_view()->IsBrowserTypeNormal() &&
 879       !browser_view()->IsOffTheRecord()) {
 880     return tp->GetImageSkiaNamed(ShouldPaintAsActive() ?
 881         IDR_THEME_FRAME_OVERLAY : IDR_THEME_FRAME_OVERLAY_INACTIVE);
 882   }
 883   return NULL;
 884 }
 885
 886 int OpaqueBrowserFrameView::GetTopAreaHeight() const {
 887   gfx::ImageSkia* frame_image = GetFrameImage();
 888   int top_area_height = frame_image->height();
 889   if (browser_view()->IsTabStripVisible()) {
 890     top_area_height = std::max(top_area_height,
 891       GetBoundsForTabStrip(browser_view()->tabstrip()).bottom());
 892   }
 893   return top_area_height;
 894 }