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      1 // Copyright (c) 2011 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/glass_browser_frame_view.h"
      6 
      7 #include "base/command_line.h"
      8 #include "base/utf_string_conversions.h"
      9 #include "chrome/app/chrome_command_ids.h"
     10 #include "chrome/app/chrome_dll_resource.h"
     11 #include "chrome/browser/prefs/pref_service.h"
     12 #include "chrome/browser/profiles/profile.h"
     13 #include "chrome/browser/themes/theme_service.h"
     14 #include "chrome/browser/ui/views/frame/browser_view.h"
     15 #include "chrome/browser/ui/views/profile_menu_button.h"
     16 #include "chrome/browser/ui/views/profile_menu_model.h"
     17 #include "chrome/browser/ui/views/profile_tag_view.h"
     18 #include "chrome/browser/ui/views/tabs/side_tab_strip.h"
     19 #include "chrome/browser/ui/views/tabs/tab.h"
     20 #include "chrome/browser/ui/views/tabs/tab_strip.h"
     21 #include "chrome/common/chrome_switches.h"
     22 #include "chrome/common/pref_names.h"
     23 #include "content/common/notification_service.h"
     24 #include "grit/app_resources.h"
     25 #include "grit/theme_resources.h"
     26 #include "ui/base/resource/resource_bundle.h"
     27 #include "ui/base/theme_provider.h"
     28 #include "ui/gfx/canvas_skia.h"
     29 #include "ui/gfx/icon_util.h"
     30 #include "views/window/client_view.h"
     31 #include "views/window/window_resources.h"
     32 
     33 HICON GlassBrowserFrameView::throbber_icons_[
     34     GlassBrowserFrameView::kThrobberIconCount];
     35 
     36 namespace {
     37 // There are 3 px of client edge drawn inside the outer frame borders.
     38 const int kNonClientBorderThickness = 3;
     39 // Vertical tabs have 4 px border.
     40 const int kNonClientVerticalTabStripBorderThickness = 4;
     41 // Besides the frame border, there's another 11 px of empty space atop the
     42 // window in restored mode, to use to drag the window around.
     43 const int kNonClientRestoredExtraThickness = 11;
     44 // In the window corners, the resize areas don't actually expand bigger, but the
     45 // 16 px at the end of the top and bottom edges triggers diagonal resizing.
     46 const int kResizeAreaCornerSize = 16;
     47 // The OTR avatar ends 2 px above the bottom of the tabstrip (which, given the
     48 // way the tabstrip draws its bottom edge, will appear like a 1 px gap to the
     49 // user).
     50 const int kOTRBottomSpacing = 2;
     51 // There are 2 px on each side of the OTR avatar (between the frame border and
     52 // it on the left, and between it and the tabstrip on the right).
     53 const int kOTRSideSpacing = 2;
     54 // The content left/right images have a shadow built into them.
     55 const int kContentEdgeShadowThickness = 2;
     56 // The top 1 px of the tabstrip is shadow; in maximized mode we push this off
     57 // the top of the screen so the tabs appear flush against the screen edge.
     58 const int kTabstripTopShadowThickness = 1;
     59 // In restored mode, the New Tab button isn't at the same height as the caption
     60 // buttons, but the space will look cluttered if it actually slides under them,
     61 // so we stop it when the gap between the two is down to 5 px.
     62 const int kNewTabCaptionRestoredSpacing = 5;
     63 // In maximized mode, where the New Tab button and the caption buttons are at
     64 // similar vertical coordinates, we need to reserve a larger, 16 px gap to avoid
     65 // looking too cluttered.
     66 const int kNewTabCaptionMaximizedSpacing = 16;
     67 // Menu should display below the profile button tag image on the frame. This
     68 // offset size depends on whether the frame is in glass or opaque mode.
     69 const int kMenuDisplayOffset = 7;
     70 // Y position for profile button inside the frame.
     71 const int kProfileButtonYPosition = 2;
     72 // Y position for profile tag inside the frame.
     73 const int kProfileTagYPosition = 1;
     74 // Offset y position of profile button and tag by this amount when maximized.
     75 const int kProfileElementMaximizedYOffset = 6;
     76 }
     77 
     78 ///////////////////////////////////////////////////////////////////////////////
     79 // GlassBrowserFrameView, public:
     80 
     81 GlassBrowserFrameView::GlassBrowserFrameView(BrowserFrame* frame,
     82                                              BrowserView* browser_view)
     83     : BrowserNonClientFrameView(),
     84       frame_(frame),
     85       browser_view_(browser_view),
     86       throbber_running_(false),
     87       throbber_frame_(0) {
     88   if (frame_->GetWindow()->window_delegate()->ShouldShowWindowIcon())
     89     InitThrobberIcons();
     90   // If multi-profile is enabled set up profile button and login notifications.
     91   const CommandLine& browser_command_line = *CommandLine::ForCurrentProcess();
     92   if (browser_command_line.HasSwitch(switches::kMultiProfiles) &&
     93       !browser_view->ShouldShowOffTheRecordAvatar()) {
     94     RegisterLoginNotifications();
     95     profile_button_.reset(new views::ProfileMenuButton(NULL, std::wstring(),
     96                                                        this));
     97     profile_button_->SetVisible(false);
     98     profile_tag_.reset(new views::ProfileTagView(frame_,
     99                                                  profile_button_.get()));
    100     profile_tag_->SetVisible(false);
    101     AddChildView(profile_tag_.get());
    102     AddChildView(profile_button_.get());
    103   }
    104 }
    105 
    106 GlassBrowserFrameView::~GlassBrowserFrameView() {
    107 }
    108 
    109 ///////////////////////////////////////////////////////////////////////////////
    110 // GlassBrowserFrameView, BrowserNonClientFrameView implementation:
    111 
    112 gfx::Rect GlassBrowserFrameView::GetBoundsForTabStrip(
    113     views::View* tabstrip) const {
    114   if (browser_view_->UseVerticalTabs()) {
    115     gfx::Size ps = tabstrip->GetPreferredSize();
    116     return gfx::Rect(NonClientBorderThickness(),
    117         NonClientTopBorderHeight(false, false), ps.width(),
    118         browser_view_->height());
    119   }
    120   int minimize_button_offset =
    121       std::min(frame_->GetMinimizeButtonOffset(), width());
    122   int tabstrip_x = browser_view_->ShouldShowOffTheRecordAvatar() ?
    123       (otr_avatar_bounds_.right() + kOTRSideSpacing) :
    124       NonClientBorderThickness();
    125   // In RTL languages, we have moved an avatar icon left by the size of window
    126   // controls to prevent it from being rendered over them. So, we use its x
    127   // position to move this tab strip left when maximized. Also, we can render
    128   // a tab strip until the left end of this window without considering the size
    129   // of window controls in RTL languages.
    130   if (base::i18n::IsRTL()) {
    131     if (!browser_view_->ShouldShowOffTheRecordAvatar() &&
    132         frame_->GetWindow()->IsMaximized())
    133       tabstrip_x += otr_avatar_bounds_.x();
    134     minimize_button_offset = width();
    135   }
    136   int maximized_spacing =
    137       kNewTabCaptionMaximizedSpacing +
    138       (show_profile_button() && profile_button_->IsVisible() ?
    139           profile_button_->GetPreferredSize().width() +
    140               views::ProfileMenuButton::kProfileTagHorizontalSpacing : 0);
    141   int tabstrip_width = minimize_button_offset - tabstrip_x -
    142       (frame_->GetWindow()->IsMaximized() ?
    143           maximized_spacing : kNewTabCaptionRestoredSpacing);
    144   return gfx::Rect(tabstrip_x, GetHorizontalTabStripVerticalOffset(false),
    145                    std::max(0, tabstrip_width),
    146                    tabstrip->GetPreferredSize().height());
    147 }
    148 
    149 int GlassBrowserFrameView::GetHorizontalTabStripVerticalOffset(
    150     bool restored) const {
    151   return NonClientTopBorderHeight(restored, true);
    152 }
    153 
    154 void GlassBrowserFrameView::UpdateThrobber(bool running) {
    155   if (throbber_running_) {
    156     if (running) {
    157       DisplayNextThrobberFrame();
    158     } else {
    159       StopThrobber();
    160     }
    161   } else if (running) {
    162     StartThrobber();
    163   }
    164 }
    165 
    166 ///////////////////////////////////////////////////////////////////////////////
    167 // GlassBrowserFrameView, views::NonClientFrameView implementation:
    168 
    169 gfx::Rect GlassBrowserFrameView::GetBoundsForClientView() const {
    170   return client_view_bounds_;
    171 }
    172 
    173 bool GlassBrowserFrameView::AlwaysUseNativeFrame() const {
    174   return frame_->AlwaysUseNativeFrame();
    175 }
    176 
    177 gfx::Rect GlassBrowserFrameView::GetWindowBoundsForClientBounds(
    178     const gfx::Rect& client_bounds) const {
    179   HWND hwnd = frame_->GetWindow()->GetNativeWindow();
    180   if (!browser_view_->IsTabStripVisible() && hwnd) {
    181     // If we don't have a tabstrip, we're either a popup or an app window, in
    182     // which case we have a standard size non-client area and can just use
    183     // AdjustWindowRectEx to obtain it. We check for a non-NULL window handle in
    184     // case this gets called before the window is actually created.
    185     RECT rect = client_bounds.ToRECT();
    186     AdjustWindowRectEx(&rect, GetWindowLong(hwnd, GWL_STYLE), FALSE,
    187                        GetWindowLong(hwnd, GWL_EXSTYLE));
    188     return gfx::Rect(rect);
    189   }
    190 
    191   int top_height = NonClientTopBorderHeight(false, false);
    192   int border_thickness = NonClientBorderThickness();
    193   return gfx::Rect(std::max(0, client_bounds.x() - border_thickness),
    194                    std::max(0, client_bounds.y() - top_height),
    195                    client_bounds.width() + (2 * border_thickness),
    196                    client_bounds.height() + top_height + border_thickness);
    197 }
    198 
    199 int GlassBrowserFrameView::NonClientHitTest(const gfx::Point& point) {
    200   // If the browser isn't in normal mode, we haven't customized the frame, so
    201   // Windows can figure this out.  If the point isn't within our bounds, then
    202   // it's in the native portion of the frame, so again Windows can figure it
    203   // out.
    204   if (!browser_view_->IsBrowserTypeNormal() || !bounds().Contains(point))
    205     return HTNOWHERE;
    206 
    207   int frame_component =
    208       frame_->GetWindow()->client_view()->NonClientHitTest(point);
    209 
    210   // See if we're in the sysmenu region.  We still have to check the tabstrip
    211   // first so that clicks in a tab don't get treated as sysmenu clicks.
    212   int nonclient_border_thickness = NonClientBorderThickness();
    213   if (gfx::Rect(nonclient_border_thickness, GetSystemMetrics(SM_CXSIZEFRAME),
    214                 GetSystemMetrics(SM_CXSMICON),
    215                 GetSystemMetrics(SM_CYSMICON)).Contains(point))
    216     return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU;
    217 
    218   if (frame_component != HTNOWHERE)
    219     return frame_component;
    220 
    221   // See if the point is within the profile menu button.
    222   if (show_profile_button() && profile_button_->IsVisible() &&
    223       profile_button_->GetMirroredBounds().Contains(point))
    224     return HTCLIENT;
    225 
    226   int frame_border_thickness = FrameBorderThickness();
    227   int window_component = GetHTComponentForFrame(point, frame_border_thickness,
    228       nonclient_border_thickness, frame_border_thickness,
    229       kResizeAreaCornerSize - frame_border_thickness,
    230       frame_->GetWindow()->window_delegate()->CanResize());
    231   // Fall back to the caption if no other component matches.
    232   return (window_component == HTNOWHERE) ? HTCAPTION : window_component;
    233 }
    234 
    235 ///////////////////////////////////////////////////////////////////////////////
    236 // GlassBrowserFrameView, views::ViewMenuDelegate implementation:
    237 void GlassBrowserFrameView::RunMenu(views::View *source, const gfx::Point &pt) {
    238   if (profile_menu_model_ == NULL)
    239     profile_menu_model_.reset(new views::ProfileMenuModel);
    240   gfx::Point menu_point(pt.x(),
    241                         pt.y() + kMenuDisplayOffset);
    242   profile_menu_model_->RunMenuAt(menu_point);
    243 }
    244 
    245 ///////////////////////////////////////////////////////////////////////////////
    246 // GlassBrowserFrameView, views::View overrides:
    247 
    248 void GlassBrowserFrameView::OnPaint(gfx::Canvas* canvas) {
    249   if (!browser_view_->IsTabStripVisible())
    250     return;  // Nothing is visible, so don't bother to paint.
    251 
    252   PaintToolbarBackground(canvas);
    253   if (browser_view_->ShouldShowOffTheRecordAvatar())
    254     PaintOTRAvatar(canvas);
    255   if (!frame_->GetWindow()->IsMaximized())
    256     PaintRestoredClientEdge(canvas);
    257 }
    258 
    259 void GlassBrowserFrameView::Layout() {
    260   LayoutOTRAvatar();
    261   LayoutClientView();
    262   LayoutProfileTag();
    263 }
    264 
    265 bool GlassBrowserFrameView::HitTest(const gfx::Point& l) const {
    266   // The ProfileMenuButton intrudes into the client area when the window is
    267   // maximized.
    268   return (frame_->GetWindow()->IsMaximized() && show_profile_button() &&
    269           profile_button_->IsVisible() &&
    270           profile_button_->GetMirroredBounds().Contains(l)) ||
    271       !GetWindow()->client_view()->bounds().Contains(l);
    272 }
    273 
    274 ///////////////////////////////////////////////////////////////////////////////
    275 // GlassBrowserFrameView, private:
    276 
    277 int GlassBrowserFrameView::FrameBorderThickness() const {
    278   views::Window* window = frame_->GetWindow();
    279   return (window->IsMaximized() || window->IsFullscreen()) ?
    280       0 : GetSystemMetrics(SM_CXSIZEFRAME);
    281 }
    282 
    283 int GlassBrowserFrameView::NonClientBorderThickness() const {
    284   views::Window* window = frame_->GetWindow();
    285   if (window->IsMaximized() || window->IsFullscreen())
    286     return 0;
    287 
    288   return browser_view_->UseVerticalTabs() ?
    289       kNonClientVerticalTabStripBorderThickness :
    290       kNonClientBorderThickness;
    291 }
    292 
    293 int GlassBrowserFrameView::NonClientTopBorderHeight(
    294     bool restored,
    295     bool ignore_vertical_tabs) const {
    296   if (!restored && frame_->GetWindow()->IsFullscreen())
    297     return 0;
    298   // We'd like to use FrameBorderThickness() here, but the maximized Aero glass
    299   // frame has a 0 frame border around most edges and a CYSIZEFRAME-thick border
    300   // at the top (see AeroGlassFrame::OnGetMinMaxInfo()).
    301   if (browser_view_->IsTabStripVisible() && !ignore_vertical_tabs &&
    302       browser_view_->UseVerticalTabs())
    303     return GetSystemMetrics(SM_CYSIZEFRAME) + GetSystemMetrics(SM_CYCAPTION);
    304   return GetSystemMetrics(SM_CYSIZEFRAME) +
    305       ((!restored && browser_view_->IsMaximized()) ?
    306       -kTabstripTopShadowThickness : kNonClientRestoredExtraThickness);
    307 }
    308 
    309 void GlassBrowserFrameView::PaintToolbarBackground(gfx::Canvas* canvas) {
    310   ui::ThemeProvider* tp = GetThemeProvider();
    311 
    312   gfx::Rect toolbar_bounds(browser_view_->GetToolbarBounds());
    313   gfx::Point toolbar_origin(toolbar_bounds.origin());
    314   View::ConvertPointToView(browser_view_, this, &toolbar_origin);
    315   toolbar_bounds.set_origin(toolbar_origin);
    316   int x = toolbar_bounds.x();
    317   int w = toolbar_bounds.width();
    318   int left_x = x - kContentEdgeShadowThickness;
    319 
    320   SkBitmap* theme_toolbar = tp->GetBitmapNamed(IDR_THEME_TOOLBAR);
    321   SkBitmap* toolbar_left = tp->GetBitmapNamed(IDR_CONTENT_TOP_LEFT_CORNER);
    322   SkBitmap* toolbar_center = tp->GetBitmapNamed(IDR_CONTENT_TOP_CENTER);
    323 
    324   if (browser_view_->UseVerticalTabs()) {
    325     gfx::Point tabstrip_origin(browser_view_->tabstrip()->bounds().origin());
    326     View::ConvertPointToView(browser_view_, this, &tabstrip_origin);
    327     int y = tabstrip_origin.y();
    328 
    329     // Tile the toolbar image starting at the frame edge on the left and where
    330     // the horizontal tabstrip would be on the top.
    331     canvas->TileImageInt(*theme_toolbar, x,
    332                          y - GetHorizontalTabStripVerticalOffset(false), x, y,
    333                          w, theme_toolbar->height());
    334 
    335     // Draw left edge.
    336     int dest_y = y - kNonClientBorderThickness;
    337     canvas->DrawBitmapInt(*toolbar_left, 0, 0, kNonClientBorderThickness,
    338                           kNonClientBorderThickness, left_x, dest_y,
    339                           kNonClientBorderThickness, kNonClientBorderThickness,
    340                           false);
    341 
    342     // Draw center edge. We need to draw a while line above the toolbar for the
    343     // image to overlay nicely.
    344     int center_offset =
    345         -kContentEdgeShadowThickness + kNonClientBorderThickness;
    346     canvas->FillRectInt(SK_ColorWHITE, x + center_offset, y - 1,
    347                         w - (2 * center_offset), 1);
    348     canvas->TileImageInt(*toolbar_center, x + center_offset, dest_y,
    349                          w - (2 * center_offset), toolbar_center->height());
    350 
    351     // Right edge.
    352     SkBitmap* toolbar_right = tp->GetBitmapNamed(IDR_CONTENT_TOP_RIGHT_CORNER);
    353     canvas->DrawBitmapInt(*toolbar_right,
    354         toolbar_right->width() - kNonClientBorderThickness, 0,
    355         kNonClientBorderThickness, kNonClientBorderThickness,
    356         x + w - center_offset, dest_y, kNonClientBorderThickness,
    357         kNonClientBorderThickness, false);
    358   } else {
    359     // Tile the toolbar image starting at the frame edge on the left and where
    360     // the tabstrip is on the top.
    361     int y = toolbar_bounds.y();
    362     int dest_y = y + (kFrameShadowThickness * 2);
    363     canvas->TileImageInt(*theme_toolbar, x,
    364                          dest_y - GetHorizontalTabStripVerticalOffset(false), x,
    365                          dest_y, w, theme_toolbar->height());
    366 
    367     // Draw rounded corners for the tab.
    368     SkBitmap* toolbar_left_mask =
    369         tp->GetBitmapNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK);
    370     SkBitmap* toolbar_right_mask =
    371         tp->GetBitmapNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK);
    372 
    373     // We mask out the corners by using the DestinationIn transfer mode,
    374     // which keeps the RGB pixels from the destination and the alpha from
    375     // the source.
    376     SkPaint paint;
    377     paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
    378 
    379     // Mask out the top left corner.
    380     canvas->DrawBitmapInt(*toolbar_left_mask, left_x, y, paint);
    381 
    382     // Mask out the top right corner.
    383     int right_x =
    384         x + w + kContentEdgeShadowThickness - toolbar_right_mask->width();
    385     canvas->DrawBitmapInt(*toolbar_right_mask, right_x, y, paint);
    386 
    387     // Draw left edge.
    388     canvas->DrawBitmapInt(*toolbar_left, left_x, y);
    389 
    390     // Draw center edge.
    391     canvas->TileImageInt(*toolbar_center, left_x + toolbar_left->width(), y,
    392         right_x - (left_x + toolbar_left->width()), toolbar_center->height());
    393 
    394     // Right edge.
    395     canvas->DrawBitmapInt(*tp->GetBitmapNamed(IDR_CONTENT_TOP_RIGHT_CORNER),
    396                           right_x, y);
    397   }
    398 
    399   // Draw the content/toolbar separator.
    400   canvas->FillRectInt(ResourceBundle::toolbar_separator_color,
    401       x + kClientEdgeThickness, toolbar_bounds.bottom() - kClientEdgeThickness,
    402       w - (2 * kClientEdgeThickness), kClientEdgeThickness);
    403 }
    404 
    405 void GlassBrowserFrameView::PaintOTRAvatar(gfx::Canvas* canvas) {
    406   // In RTL mode, the avatar icon should be looking the opposite direction.
    407   canvas->Save();
    408   if (base::i18n::IsRTL()) {
    409     canvas->TranslateInt(width(), 0);
    410     canvas->ScaleInt(-1, 1);
    411   }
    412 
    413   SkBitmap otr_avatar_icon = browser_view_->GetOTRAvatarIcon();
    414   int w = otr_avatar_bounds_.width();
    415   int h = otr_avatar_bounds_.height();
    416   canvas->DrawBitmapInt(otr_avatar_icon, 0,
    417       // Bias the rounding to select a region that's lower rather than higher,
    418       // as the shadows at the image top mean the apparent center is below the
    419       // real center.
    420       ((otr_avatar_icon.height() - otr_avatar_bounds_.height()) + 1) / 2, w, h,
    421       otr_avatar_bounds_.x(), otr_avatar_bounds_.y(), w, h, false);
    422 
    423   canvas->Restore();
    424 }
    425 
    426 void GlassBrowserFrameView::PaintRestoredClientEdge(gfx::Canvas* canvas) {
    427   ui::ThemeProvider* tp = GetThemeProvider();
    428   gfx::Rect client_area_bounds = CalculateClientAreaBounds(width(), height());
    429 
    430   // The client edges start below the toolbar upper corner images regardless
    431   // of how tall the toolbar itself is.
    432   int client_area_top = browser_view_->UseVerticalTabs() ?
    433       client_area_bounds.y() :
    434       (frame_->GetWindow()->client_view()->y() +
    435       browser_view_->GetToolbarBounds().y() +
    436       tp->GetBitmapNamed(IDR_CONTENT_TOP_LEFT_CORNER)->height());
    437   int client_area_bottom =
    438       std::max(client_area_top, height() - NonClientBorderThickness());
    439   int client_area_height = client_area_bottom - client_area_top;
    440 
    441   // Draw the client edge images.
    442   SkBitmap* right = tp->GetBitmapNamed(IDR_CONTENT_RIGHT_SIDE);
    443   canvas->TileImageInt(*right, client_area_bounds.right(), client_area_top,
    444                        right->width(), client_area_height);
    445   canvas->DrawBitmapInt(
    446       *tp->GetBitmapNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER),
    447       client_area_bounds.right(), client_area_bottom);
    448   SkBitmap* bottom = tp->GetBitmapNamed(IDR_CONTENT_BOTTOM_CENTER);
    449   canvas->TileImageInt(*bottom, client_area_bounds.x(),
    450       client_area_bottom, client_area_bounds.width(),
    451       bottom->height());
    452   SkBitmap* bottom_left =
    453       tp->GetBitmapNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER);
    454   canvas->DrawBitmapInt(*bottom_left,
    455       client_area_bounds.x() - bottom_left->width(), client_area_bottom);
    456   SkBitmap* left = tp->GetBitmapNamed(IDR_CONTENT_LEFT_SIDE);
    457   canvas->TileImageInt(*left, client_area_bounds.x() - left->width(),
    458       client_area_top, left->width(), client_area_height);
    459 
    460   // Draw the toolbar color so that the client edges show the right color even
    461   // where not covered by the toolbar image.  NOTE: We do this after drawing the
    462   // images because the images are meant to alpha-blend atop the frame whereas
    463   // these rects are meant to be fully opaque, without anything overlaid.
    464   SkColor toolbar_color = tp->GetColor(ThemeService::COLOR_TOOLBAR);
    465   canvas->FillRectInt(toolbar_color,
    466       client_area_bounds.x() - kClientEdgeThickness, client_area_top,
    467       kClientEdgeThickness,
    468       client_area_bottom + kClientEdgeThickness - client_area_top);
    469   canvas->FillRectInt(toolbar_color, client_area_bounds.x(), client_area_bottom,
    470                       client_area_bounds.width(), kClientEdgeThickness);
    471   canvas->FillRectInt(toolbar_color, client_area_bounds.right(),
    472       client_area_top, kClientEdgeThickness,
    473       client_area_bottom + kClientEdgeThickness - client_area_top);
    474 }
    475 
    476 void GlassBrowserFrameView::LayoutOTRAvatar() {
    477   int otr_x = NonClientBorderThickness() + kOTRSideSpacing;
    478   // Move this avatar icon by the size of window controls to prevent it from
    479   // being rendered over them in RTL languages. This code also needs to adjust
    480   // the width of a tab strip to avoid decreasing this size twice. (See the
    481   // comment in GetBoundsForTabStrip().)
    482   if (base::i18n::IsRTL())
    483     otr_x += width() - frame_->GetMinimizeButtonOffset();
    484 
    485   SkBitmap otr_avatar_icon = browser_view_->GetOTRAvatarIcon();
    486   int otr_bottom, otr_restored_y;
    487   if (browser_view_->UseVerticalTabs()) {
    488     otr_bottom = NonClientTopBorderHeight(false, false) - kOTRBottomSpacing;
    489     otr_restored_y = kFrameShadowThickness;
    490   } else {
    491     otr_bottom = GetHorizontalTabStripVerticalOffset(false) +
    492         browser_view_->GetTabStripHeight() - kOTRBottomSpacing;
    493     otr_restored_y = otr_bottom - otr_avatar_icon.height();
    494   }
    495   int otr_y = frame_->GetWindow()->IsMaximized() ?
    496       (NonClientTopBorderHeight(false, true) + kTabstripTopShadowThickness) :
    497       otr_restored_y;
    498   otr_avatar_bounds_.SetRect(otr_x, otr_y, otr_avatar_icon.width(),
    499       browser_view_->ShouldShowOffTheRecordAvatar() ? (otr_bottom - otr_y) : 0);
    500 }
    501 
    502 void GlassBrowserFrameView::LayoutClientView() {
    503   client_view_bounds_ = CalculateClientAreaBounds(width(), height());
    504 }
    505 
    506 void GlassBrowserFrameView::LayoutProfileTag() {
    507   if (!show_profile_button())
    508     return;
    509 
    510   string16 profile_name = ASCIIToUTF16(browser_view_->browser()->profile()->
    511       GetPrefs()->GetString(prefs::kGoogleServicesUsername));
    512   if (!profile_name.empty()) {
    513     profile_button_->SetText(profile_name);
    514     profile_button_->ClearMaxTextSize();
    515     profile_button_->SetVisible(true);
    516     int x_tag =
    517         // The x position of minimize button in the frame
    518         frame_->GetMinimizeButtonOffset() -
    519             // - the space between the minimize button and the profile button
    520             views::ProfileMenuButton::kProfileTagHorizontalSpacing -
    521             // - the width of the profile button
    522             profile_button_->GetPreferredSize().width();
    523     profile_button_->SetBounds(
    524         x_tag,
    525         kProfileButtonYPosition +
    526             (frame_->GetWindow()->IsMaximized() ?
    527                 kProfileElementMaximizedYOffset : 0),
    528         profile_button_->GetPreferredSize().width(),
    529         profile_button_->GetPreferredSize().height());
    530     profile_tag_->SetVisible(true);
    531     profile_tag_->SetBounds(
    532         x_tag,
    533         kProfileTagYPosition +
    534             (frame_->GetWindow()->IsMaximized() ?
    535                 kProfileElementMaximizedYOffset : 0),
    536         profile_button_->GetPreferredSize().width(),
    537         views::ProfileTagView::kProfileTagHeight);
    538   } else {
    539     profile_button_->SetVisible(false);
    540     profile_tag_->SetVisible(false);
    541   }
    542 }
    543 
    544 gfx::Rect GlassBrowserFrameView::CalculateClientAreaBounds(int width,
    545                                                            int height) const {
    546   if (!browser_view_->IsTabStripVisible())
    547     return gfx::Rect(0, 0, this->width(), this->height());
    548 
    549   int top_height = NonClientTopBorderHeight(false, false);
    550   int border_thickness = NonClientBorderThickness();
    551   return gfx::Rect(border_thickness, top_height,
    552                    std::max(0, width - (2 * border_thickness)),
    553                    std::max(0, height - top_height - border_thickness));
    554 }
    555 
    556 void GlassBrowserFrameView::StartThrobber() {
    557   if (!throbber_running_) {
    558     throbber_running_ = true;
    559     throbber_frame_ = 0;
    560     InitThrobberIcons();
    561     SendMessage(frame_->GetWindow()->GetNativeWindow(), WM_SETICON,
    562                 static_cast<WPARAM>(ICON_SMALL),
    563                 reinterpret_cast<LPARAM>(throbber_icons_[throbber_frame_]));
    564   }
    565 }
    566 
    567 void GlassBrowserFrameView::StopThrobber() {
    568   if (throbber_running_) {
    569     throbber_running_ = false;
    570 
    571     HICON frame_icon = NULL;
    572 
    573     // Check if hosted BrowserView has a window icon to use.
    574     if (browser_view_->ShouldShowWindowIcon()) {
    575       SkBitmap icon = browser_view_->GetWindowIcon();
    576       if (!icon.isNull())
    577         frame_icon = IconUtil::CreateHICONFromSkBitmap(icon);
    578     }
    579 
    580     // Fallback to class icon.
    581     if (!frame_icon) {
    582       frame_icon = reinterpret_cast<HICON>(GetClassLongPtr(
    583           frame_->GetWindow()->GetNativeWindow(), GCLP_HICONSM));
    584     }
    585 
    586     // This will reset the small icon which we set in the throbber code.
    587     // WM_SETICON with NULL icon restores the icon for title bar but not
    588     // for taskbar. See http://crbug.com/29996
    589     SendMessage(frame_->GetWindow()->GetNativeWindow(), WM_SETICON,
    590                 static_cast<WPARAM>(ICON_SMALL),
    591                 reinterpret_cast<LPARAM>(frame_icon));
    592   }
    593 }
    594 
    595 void GlassBrowserFrameView::DisplayNextThrobberFrame() {
    596   throbber_frame_ = (throbber_frame_ + 1) % kThrobberIconCount;
    597   SendMessage(frame_->GetWindow()->GetNativeWindow(), WM_SETICON,
    598               static_cast<WPARAM>(ICON_SMALL),
    599               reinterpret_cast<LPARAM>(throbber_icons_[throbber_frame_]));
    600 }
    601 
    602 void GlassBrowserFrameView::Observe(NotificationType type,
    603                                     const NotificationSource& source,
    604                                     const NotificationDetails& details) {
    605   DCHECK_EQ(NotificationType::PREF_CHANGED, type.value);
    606   std::string* name = Details<std::string>(details).ptr();
    607   if (prefs::kGoogleServicesUsername == *name)
    608     LayoutProfileTag();
    609 }
    610 
    611 void GlassBrowserFrameView::RegisterLoginNotifications() {
    612   PrefService* pref_service = browser_view_->browser()->profile()->GetPrefs();
    613   DCHECK(pref_service);
    614   username_pref_.Init(prefs::kGoogleServicesUsername, pref_service, this);
    615 }
    616 
    617 // static
    618 void GlassBrowserFrameView::InitThrobberIcons() {
    619   static bool initialized = false;
    620   if (!initialized) {
    621     ResourceBundle &rb = ResourceBundle::GetSharedInstance();
    622     for (int i = 0; i < kThrobberIconCount; ++i) {
    623       throbber_icons_[i] = rb.LoadThemeIcon(IDI_THROBBER_01 + i);
    624       DCHECK(throbber_icons_[i]);
    625     }
    626     initialized = true;
    627   }
    628 }
    629