// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "chrome/browser/ui/views/frame/glass_browser_frame_view.h" #include #include "base/strings/utf_string_conversions.h" #include "base/win/windows_version.h" #include "chrome/app/chrome_command_ids.h" #include "chrome/app/chrome_dll_resource.h" #include "chrome/browser/profiles/profile.h" #include "chrome/browser/themes/theme_properties.h" #include "chrome/browser/ui/layout_constants.h" #include "chrome/browser/ui/views/frame/browser_view.h" #include "chrome/browser/ui/views/profiles/avatar_menu_button.h" #include "chrome/browser/ui/views/tabs/tab.h" #include "chrome/browser/ui/views/tabs/tab_strip.h" #include "chrome/browser/ui/views/toolbar/toolbar_view.h" #include "components/prefs/pref_service.h" #include "components/signin/core/browser/signin_header_helper.h" #include "components/signin/core/common/profile_management_switches.h" #include "grit/theme_resources.h" #include "skia/ext/image_operations.h" #include "ui/base/material_design/material_design_controller.h" #include "ui/base/resource/resource_bundle_win.h" #include "ui/base/theme_provider.h" #include "ui/gfx/canvas.h" #include "ui/gfx/icon_util.h" #include "ui/gfx/image/image.h" #include "ui/gfx/scoped_canvas.h" #include "ui/gfx/win/dpi.h" #include "ui/resources/grit/ui_resources.h" #include "ui/views/controls/label.h" #include "ui/views/layout/layout_constants.h" #include "ui/views/resources/grit/views_resources.h" #include "ui/views/win/hwnd_util.h" #include "ui/views/window/client_view.h" HICON GlassBrowserFrameView::throbber_icons_[ GlassBrowserFrameView::kThrobberIconCount]; namespace { // Size of client edge drawn inside the outer frame borders. const int kNonClientBorderThicknessPreWin10 = 3; const int kNonClientBorderThicknessWin10 = 1; // Besides the frame border, there's empty space atop the window in restored // mode, to use to drag the window around. const int kNonClientRestoredExtraThickness = 11; // In the window corners, the resize areas don't actually expand bigger, but the // 16 px at the end of the top and bottom edges triggers diagonal resizing. const int kResizeCornerWidth = 16; // How far the new avatar button is from the left of the minimize button. const int kNewAvatarButtonOffset = 5; // The content edge images have a shadow built into them. const int kContentEdgeShadowThickness = 2; // In restored mode, the New Tab button isn't at the same height as the caption // buttons, but the space will look cluttered if it actually slides under them, // so we stop it when the gap between the two is down to 5 px. const int kNewTabCaptionRestoredSpacing = 5; // In maximized mode, where the New Tab button and the caption buttons are at // similar vertical coordinates, we need to reserve a larger, 16 px gap to avoid // looking too cluttered. const int kNewTabCaptionMaximizedSpacing = 16; // Converts the |image| to a Windows icon and returns the corresponding HICON // handle. |image| is resized to desired |width| and |height| if needed. base::win::ScopedHICON CreateHICONFromSkBitmapSizedTo( const gfx::ImageSkia& image, int width, int height) { return IconUtil::CreateHICONFromSkBitmap( width == image.width() && height == image.height() ? *image.bitmap() : skia::ImageOperations::Resize(*image.bitmap(), skia::ImageOperations::RESIZE_BEST, width, height)); } } // namespace /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, public: GlassBrowserFrameView::GlassBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view) : BrowserNonClientFrameView(frame, browser_view), profile_switcher_(this), throbber_running_(false), throbber_frame_(0) { if (browser_view->ShouldShowWindowIcon()) InitThrobberIcons(); } GlassBrowserFrameView::~GlassBrowserFrameView() { } /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, BrowserNonClientFrameView implementation: gfx::Rect GlassBrowserFrameView::GetBoundsForTabStrip( views::View* tabstrip) const { // In maximized RTL windows, don't let the tabstrip overlap the caption area, // or the alpha-blending it does will make things like the new avatar button // look glitchy. const int offset = (ui::MaterialDesignController::IsModeMaterial() || !base::i18n::IsRTL() || !frame()->IsMaximized()) ? GetLayoutInsets(AVATAR_ICON).right() : 0; const int x = incognito_bounds_.right() + offset; int end_x = width() - NonClientBorderThickness(false); if (!base::i18n::IsRTL()) { end_x = std::min(frame()->GetMinimizeButtonOffset(), end_x) - (frame()->IsMaximized() ? kNewTabCaptionMaximizedSpacing : kNewTabCaptionRestoredSpacing); // The new avatar button is optionally displayed to the left of the // minimize button. if (profile_switcher_.view()) { const int old_end_x = end_x; end_x -= profile_switcher_.view()->width() + kNewAvatarButtonOffset; // In non-maximized mode, allow the new tab button to slide completely // under the avatar button. if (!frame()->IsMaximized()) { end_x = std::min(end_x + GetLayoutSize(NEW_TAB_BUTTON).width() + kNewTabCaptionRestoredSpacing, old_end_x); } } } return gfx::Rect(x, NonClientTopBorderHeight(false), std::max(0, end_x - x), tabstrip->GetPreferredSize().height()); } int GlassBrowserFrameView::GetTopInset(bool restored) const { return GetClientAreaInsets(restored).top(); } int GlassBrowserFrameView::GetThemeBackgroundXInset() const { return 0; } void GlassBrowserFrameView::UpdateThrobber(bool running) { if (throbber_running_) { if (running) { DisplayNextThrobberFrame(); } else { StopThrobber(); } } else if (running) { StartThrobber(); } } gfx::Size GlassBrowserFrameView::GetMinimumSize() const { gfx::Size min_size(browser_view()->GetMinimumSize()); // Account for the client area insets. gfx::Insets insets = GetClientAreaInsets(false); min_size.Enlarge(insets.width(), insets.height()); // Client area insets do not include the shadow thickness. min_size.Enlarge(2 * kContentEdgeShadowThickness, 0); // Ensure that the minimum width is enough to hold a tab strip with minimum // width at its usual insets. if (browser_view()->IsTabStripVisible()) { TabStrip* tabstrip = browser_view()->tabstrip(); int min_tabstrip_width = tabstrip->GetMinimumSize().width(); int min_tabstrip_area_width = width() - GetBoundsForTabStrip(tabstrip).width() + min_tabstrip_width; min_size.set_width(std::max(min_tabstrip_area_width, min_size.width())); } return min_size; } views::View* GlassBrowserFrameView::GetProfileSwitcherView() const { return profile_switcher_.view(); } /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, views::NonClientFrameView implementation: gfx::Rect GlassBrowserFrameView::GetBoundsForClientView() const { return client_view_bounds_; } gfx::Rect GlassBrowserFrameView::GetWindowBoundsForClientBounds( const gfx::Rect& client_bounds) const { HWND hwnd = views::HWNDForWidget(frame()); if (!browser_view()->IsTabStripVisible() && hwnd) { // If we don't have a tabstrip, we're either a popup or an app window, in // which case we have a standard size non-client area and can just use // AdjustWindowRectEx to obtain it. We check for a non-null window handle in // case this gets called before the window is actually created. RECT rect = client_bounds.ToRECT(); AdjustWindowRectEx(&rect, GetWindowLong(hwnd, GWL_STYLE), FALSE, GetWindowLong(hwnd, GWL_EXSTYLE)); return gfx::Rect(rect); } gfx::Insets insets = GetClientAreaInsets(false); return gfx::Rect(std::max(0, client_bounds.x() - insets.left()), std::max(0, client_bounds.y() - insets.top()), client_bounds.width() + insets.width(), client_bounds.height() + insets.height()); } int GlassBrowserFrameView::NonClientHitTest(const gfx::Point& point) { // If the browser isn't in normal mode, we haven't customized the frame, so // Windows can figure this out. If the point isn't within our bounds, then // it's in the native portion of the frame, so again Windows can figure it // out. if (!browser_view()->IsBrowserTypeNormal() || !bounds().Contains(point)) return HTNOWHERE; // See if the point is within the incognito icon or the new avatar menu. if ((avatar_button() && avatar_button()->GetMirroredBounds().Contains(point)) || (profile_switcher_.view() && profile_switcher_.view()->GetMirroredBounds().Contains(point))) return HTCLIENT; int frame_component = frame()->client_view()->NonClientHitTest(point); // See if we're in the sysmenu region. We still have to check the tabstrip // first so that clicks in a tab don't get treated as sysmenu clicks. int nonclient_border_thickness = NonClientBorderThickness(false); if (gfx::Rect(nonclient_border_thickness, gfx::win::GetSystemMetricsInDIP(SM_CYSIZEFRAME), gfx::win::GetSystemMetricsInDIP(SM_CXSMICON), gfx::win::GetSystemMetricsInDIP(SM_CYSMICON)).Contains(point)) return (frame_component == HTCLIENT) ? HTCLIENT : HTSYSMENU; if (frame_component != HTNOWHERE) return frame_component; int frame_top_border_height = FrameTopBorderHeight(false); // We want the resize corner behavior to apply to the kResizeCornerWidth // pixels at each end of the top and bottom edges. Because |point|'s x // coordinate is based on the DWM-inset portion of the window (so, it's 0 at // the first pixel inside the left DWM margin), we need to subtract the DWM // margin thickness, which we calculate as the total frame border thickness // minus the nonclient border thickness. const int dwm_margin = FrameBorderThickness() - nonclient_border_thickness; int window_component = GetHTComponentForFrame(point, frame_top_border_height, nonclient_border_thickness, frame_top_border_height, kResizeCornerWidth - dwm_margin, frame()->widget_delegate()->CanResize()); // Fall back to the caption if no other component matches. return (window_component == HTNOWHERE) ? HTCAPTION : window_component; } /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, views::View overrides: void GlassBrowserFrameView::OnPaint(gfx::Canvas* canvas) { if (!browser_view()->IsTabStripVisible()) return; if (IsToolbarVisible()) PaintToolbarBackground(canvas); if (!frame()->IsMaximized()) PaintClientEdge(canvas); } void GlassBrowserFrameView::Layout() { if (browser_view()->IsRegularOrGuestSession()) LayoutNewStyleAvatar(); LayoutIncognitoIcon(); LayoutClientView(); } /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, protected: // BrowserNonClientFrameView: void GlassBrowserFrameView::UpdateAvatar() { if (browser_view()->IsRegularOrGuestSession()) profile_switcher_.Update(AvatarButtonStyle::NATIVE); else UpdateOldAvatarButton(); } /////////////////////////////////////////////////////////////////////////////// // GlassBrowserFrameView, private: // views::NonClientFrameView: bool GlassBrowserFrameView::DoesIntersectRect(const views::View* target, const gfx::Rect& rect) const { CHECK_EQ(target, this); bool hit_incognito_icon = avatar_button() && avatar_button()->GetMirroredBounds().Intersects(rect); bool hit_new_avatar_button = profile_switcher_.view() && profile_switcher_.view()->GetMirroredBounds().Intersects(rect); return hit_incognito_icon || hit_new_avatar_button || !frame()->client_view()->bounds().Intersects(rect); } int GlassBrowserFrameView::FrameBorderThickness() const { return (frame()->IsMaximized() || frame()->IsFullscreen()) ? 0 : gfx::win::GetSystemMetricsInDIP(SM_CXSIZEFRAME); } int GlassBrowserFrameView::FrameTopBorderHeight(bool restored) const { // We'd like to use FrameBorderThickness() here, but the maximized Aero glass // frame has a 0 frame border around most edges and a CYSIZEFRAME-thick border // at the top (see AeroGlassFrame::OnGetMinMaxInfo()). return (frame()->IsFullscreen() && !restored) ? 0 : gfx::win::GetSystemMetricsInDIP(SM_CYSIZEFRAME); } int GlassBrowserFrameView::NonClientBorderThickness(bool restored) const { if ((frame()->IsMaximized() || frame()->IsFullscreen()) && !restored) return 0; return (base::win::GetVersion() < base::win::VERSION_WIN10) ? kNonClientBorderThicknessPreWin10 : kNonClientBorderThicknessWin10; } int GlassBrowserFrameView::NonClientTopBorderHeight(bool restored) const { if (frame()->IsFullscreen() && !restored) return 0; const int top = FrameTopBorderHeight(restored); // The tab top inset is equal to the height of any shadow region above the // tabs, plus a 1 px top stroke. In maximized mode, we want to push the // shadow region off the top of the screen but leave the top stroke. // Annoyingly, the pre-MD layout uses different heights for the hit-test // exclusion region (which we want here, since we're trying to size the border // so that the region above the tab's hit-test zone matches) versus the shadow // thickness. const int exclusion = GetLayoutConstant(TAB_TOP_EXCLUSION_HEIGHT); return (frame()->IsMaximized() && !restored) ? (top - GetLayoutInsets(TAB).top() + 1) : (top + kNonClientRestoredExtraThickness - exclusion); } bool GlassBrowserFrameView::IsToolbarVisible() const { return browser_view()->IsToolbarVisible() && !browser_view()->toolbar()->GetPreferredSize().IsEmpty(); } void GlassBrowserFrameView::PaintToolbarBackground(gfx::Canvas* canvas) const { gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds()); if (toolbar_bounds.IsEmpty()) return; gfx::Point toolbar_origin(toolbar_bounds.origin()); ConvertPointToTarget(browser_view(), this, &toolbar_origin); toolbar_bounds.set_origin(toolbar_origin); const ui::ThemeProvider* tp = GetThemeProvider(); const gfx::ImageSkia* const bg = tp->GetImageSkiaNamed(IDR_THEME_TOOLBAR); int x = toolbar_bounds.x(); const int y = toolbar_bounds.y(); const int bg_y = GetTopInset(false) + Tab::GetYInsetForActiveTabBackground(); int w = toolbar_bounds.width(); const int h = toolbar_bounds.height(); const SkColor separator_color = tp->GetColor(ThemeProperties::COLOR_TOOLBAR_BOTTOM_SEPARATOR); if (ui::MaterialDesignController::IsModeMaterial()) { // Background. The top stroke is drawn above the toolbar bounds, so unlike // in the non-Material Design code below, we don't need to exclude any // region from having the background image drawn over it. if (tp->HasCustomImage(IDR_THEME_TOOLBAR)) { canvas->TileImageInt(*bg, x + GetThemeBackgroundXInset(), y - bg_y, x, y, w, h); } else { canvas->FillRect(toolbar_bounds, tp->GetColor(ThemeProperties::COLOR_TOOLBAR)); } // Material Design has no corners to mask out. // Top stroke. For Material Design, the toolbar has no side strokes. gfx::Rect separator_rect(x, y, w, 0); gfx::ScopedCanvas scoped_canvas(canvas); gfx::Rect tabstrip_bounds(GetBoundsForTabStrip(browser_view()->tabstrip())); tabstrip_bounds.set_x(GetMirroredXForRect(tabstrip_bounds)); canvas->sk_canvas()->clipRect(gfx::RectToSkRect(tabstrip_bounds), SkRegion::kDifference_Op); separator_rect.set_y(tabstrip_bounds.bottom()); BrowserView::Paint1pxHorizontalLine(canvas, GetToolbarTopSeparatorColor(), separator_rect, true); // Toolbar/content separator. toolbar_bounds.Inset(kClientEdgeThickness, 0); BrowserView::Paint1pxHorizontalLine(canvas, separator_color, toolbar_bounds, true); } else { // Background. The top stroke is drawn using the IDR_CONTENT_TOP_XXX // images, which overlay the toolbar. The top 2 px of these images is the // actual top stroke + shadow, and is partly transparent, so the toolbar // background shouldn't be drawn over it. const int bg_dest_y = y + kContentEdgeShadowThickness; canvas->TileImageInt(*bg, x + GetThemeBackgroundXInset(), bg_dest_y - bg_y, x, bg_dest_y, w, h - kContentEdgeShadowThickness); // On Windows 10+ where we don't draw our own window border but rather go // right to the system border, the toolbar has no corners or side strokes. if (base::win::GetVersion() < base::win::VERSION_WIN10) { // Mask out the corners. const gfx::ImageSkia* const left = tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER); const int img_w = left->width(); x -= kContentEdgeShadowThickness; SkPaint paint; paint.setXfermodeMode(SkXfermode::kDstIn_Mode); canvas->DrawImageInt( *tp->GetImageSkiaNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK), 0, 0, img_w, h, x, y, img_w, h, false, paint); const int right_x = toolbar_bounds.right() + kContentEdgeShadowThickness - img_w; canvas->DrawImageInt( *tp->GetImageSkiaNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK), 0, 0, img_w, h, right_x, y, img_w, h, false, paint); // Corner and side strokes. canvas->DrawImageInt(*left, 0, 0, img_w, h, x, y, img_w, h, false); canvas->DrawImageInt( *tp->GetImageSkiaNamed(IDR_CONTENT_TOP_RIGHT_CORNER), 0, 0, img_w, h, right_x, y, img_w, h, false); x += img_w; w = right_x - x; } // Top stroke. canvas->TileImageInt(*tp->GetImageSkiaNamed(IDR_CONTENT_TOP_CENTER), x, y, w, kContentEdgeShadowThickness); // Toolbar/content separator. toolbar_bounds.Inset(kClientEdgeThickness, h - kClientEdgeThickness, kClientEdgeThickness, 0); canvas->FillRect(toolbar_bounds, separator_color); } } void GlassBrowserFrameView::PaintClientEdge(gfx::Canvas* canvas) const { // Pre-Material Design, the client edge images start below the toolbar. In MD // the client edge images start at the top of the toolbar. gfx::Rect client_bounds = CalculateClientAreaBounds(); const int x = client_bounds.x(); const bool md = ui::MaterialDesignController::IsModeMaterial(); const gfx::Rect toolbar_bounds(browser_view()->GetToolbarBounds()); const int y = client_bounds.y() + (md ? toolbar_bounds.y() : toolbar_bounds.bottom()); const int w = client_bounds.width(); const int right = client_bounds.right(); const int bottom = std::max(y, height() - NonClientBorderThickness(false)); const int height = bottom - y; // Draw the client edge images. For non-MD, we fill the toolbar color // underneath these images so they will lighten/darken it appropriately to // create a "3D shaded" effect. For MD, where we want a flatter appearance, // we do the filling afterwards so the user sees the unmodified toolbar color. const ui::ThemeProvider* tp = GetThemeProvider(); const SkColor toolbar_color = tp->GetColor(ThemeProperties::COLOR_TOOLBAR); if (!md) FillClientEdgeRects(x, y, right, bottom, toolbar_color, canvas); const gfx::ImageSkia* const right_image = tp->GetImageSkiaNamed(IDR_CONTENT_RIGHT_SIDE); const int img_w = right_image->width(); canvas->TileImageInt(*right_image, right, y, img_w, height); canvas->DrawImageInt(*tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_RIGHT_CORNER), right, bottom); const gfx::ImageSkia* const bottom_image = tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_CENTER); canvas->TileImageInt(*bottom_image, x, bottom, w, bottom_image->height()); canvas->DrawImageInt(*tp->GetImageSkiaNamed(IDR_CONTENT_BOTTOM_LEFT_CORNER), x - img_w, bottom); canvas->TileImageInt(*tp->GetImageSkiaNamed(IDR_CONTENT_LEFT_SIDE), x - img_w, y, img_w, height); if (md) FillClientEdgeRects(x, y, right, bottom, toolbar_color, canvas); } void GlassBrowserFrameView::FillClientEdgeRects(int x, int y, int right, int bottom, SkColor color, gfx::Canvas* canvas) const { gfx::Rect side(x - kClientEdgeThickness, y, kClientEdgeThickness, bottom + kClientEdgeThickness - y); canvas->FillRect(side, color); canvas->FillRect(gfx::Rect(x, bottom, right - x, kClientEdgeThickness), color); side.set_x(right); canvas->FillRect(side, color); } void GlassBrowserFrameView::LayoutNewStyleAvatar() { DCHECK(browser_view()->IsRegularOrGuestSession()); if (!profile_switcher_.view()) return; gfx::Size label_size = profile_switcher_.view()->GetPreferredSize(); int button_x = frame()->GetMinimizeButtonOffset() - kNewAvatarButtonOffset - label_size.width(); if (base::i18n::IsRTL()) button_x = width() - frame()->GetMinimizeButtonOffset() + kNewAvatarButtonOffset; // The caption button position and size is confusing. In maximized mode, the // caption buttons are SM_CYMENUSIZE pixels high and are placed // FrameTopBorderHeight() pixels from the top of the window; all those top // border pixels are offscreen, so this result in caption buttons flush with // the top of the screen. In restored mode, the caption buttons are first // placed just below a 2 px border at the top of the window (which is the // first two pixels' worth of FrameTopBorderHeight()), then extended upwards // one extra pixel to overlap part of this border. // // To match both of these, we size the button as if it's always the extra one // pixel in height, then we place it at the correct position in restored mode, // or one pixel above the top of the screen in maximized mode. int button_y = frame()->IsMaximized() ? (FrameTopBorderHeight(false) - 1) : 1; profile_switcher_.view()->SetBounds( button_x, button_y, label_size.width(), gfx::win::GetSystemMetricsInDIP(SM_CYMENUSIZE) + 1); } void GlassBrowserFrameView::LayoutIncognitoIcon() { const bool md = ui::MaterialDesignController::IsModeMaterial(); const gfx::Insets insets(GetLayoutInsets(AVATAR_ICON)); const gfx::Size size(GetOTRAvatarIcon().size()); int x = NonClientBorderThickness(false); // In RTL, the icon needs to start after the caption buttons. if (base::i18n::IsRTL()) { x = width() - frame()->GetMinimizeButtonOffset() + (profile_switcher_.view() ? (profile_switcher_.view()->width() + kNewAvatarButtonOffset) : 0); } else if (!md && !avatar_button() && IsToolbarVisible() && (base::win::GetVersion() < base::win::VERSION_WIN10)) { // In non-MD before Win 10, the toolbar has a rounded corner that we don't // want the tabstrip to overlap. x += browser_view()->GetToolbarBounds().x() - kContentEdgeShadowThickness + GetThemeProvider()->GetImageSkiaNamed( IDR_CONTENT_TOP_LEFT_CORNER)->width(); } const int bottom = GetTopInset(false) + browser_view()->GetTabStripHeight() - insets.bottom(); const int y = (md || !frame()->IsMaximized()) ? (bottom - size.height()) : FrameTopBorderHeight(false); incognito_bounds_.SetRect(x + (avatar_button() ? insets.left() : 0), y, avatar_button() ? size.width() : 0, bottom - y); if (avatar_button()) avatar_button()->SetBoundsRect(incognito_bounds_); } void GlassBrowserFrameView::LayoutClientView() { client_view_bounds_ = CalculateClientAreaBounds(); } gfx::Insets GlassBrowserFrameView::GetClientAreaInsets(bool restored) const { if (!browser_view()->IsTabStripVisible()) return gfx::Insets(); const int top_height = NonClientTopBorderHeight(restored); const int border_thickness = NonClientBorderThickness(restored); return gfx::Insets(top_height, border_thickness, border_thickness, border_thickness); } gfx::Rect GlassBrowserFrameView::CalculateClientAreaBounds() const { gfx::Rect bounds(GetLocalBounds()); bounds.Inset(GetClientAreaInsets(false)); return bounds; } void GlassBrowserFrameView::StartThrobber() { if (!throbber_running_) { throbber_running_ = true; throbber_frame_ = 0; InitThrobberIcons(); SendMessage(views::HWNDForWidget(frame()), WM_SETICON, static_cast(ICON_SMALL), reinterpret_cast(throbber_icons_[throbber_frame_])); } } void GlassBrowserFrameView::StopThrobber() { if (throbber_running_) { throbber_running_ = false; base::win::ScopedHICON previous_small_icon; base::win::ScopedHICON previous_big_icon; HICON small_icon = nullptr; HICON big_icon = nullptr; // Check if hosted BrowserView has a window icon to use. if (browser_view()->ShouldShowWindowIcon()) { gfx::ImageSkia icon = browser_view()->GetWindowIcon(); if (!icon.isNull()) { // Keep previous icons alive as long as they are referenced by the HWND. previous_small_icon = std::move(small_window_icon_); previous_big_icon = std::move(big_window_icon_); // Take responsibility for eventually destroying the created icons. small_window_icon_ = CreateHICONFromSkBitmapSizedTo( icon, GetSystemMetrics(SM_CXSMICON), GetSystemMetrics(SM_CYSMICON)); big_window_icon_ = CreateHICONFromSkBitmapSizedTo( icon, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON)); small_icon = small_window_icon_.get(); big_icon = big_window_icon_.get(); } } // Fallback to class icon. if (!small_icon) { small_icon = reinterpret_cast( GetClassLongPtr(views::HWNDForWidget(frame()), GCLP_HICONSM)); } if (!big_icon) { big_icon = reinterpret_cast( GetClassLongPtr(views::HWNDForWidget(frame()), GCLP_HICON)); } // This will reset the icon which we set in the throbber code. // WM_SETICON with null icon restores the icon for title bar but not // for taskbar. See http://crbug.com/29996 SendMessage(views::HWNDForWidget(frame()), WM_SETICON, static_cast(ICON_SMALL), reinterpret_cast(small_icon)); SendMessage(views::HWNDForWidget(frame()), WM_SETICON, static_cast(ICON_BIG), reinterpret_cast(big_icon)); } } void GlassBrowserFrameView::DisplayNextThrobberFrame() { throbber_frame_ = (throbber_frame_ + 1) % kThrobberIconCount; SendMessage(views::HWNDForWidget(frame()), WM_SETICON, static_cast(ICON_SMALL), reinterpret_cast(throbber_icons_[throbber_frame_])); } // static void GlassBrowserFrameView::InitThrobberIcons() { static bool initialized = false; if (!initialized) { for (int i = 0; i < kThrobberIconCount; ++i) { throbber_icons_[i] = ui::LoadThemeIconFromResourcesDataDLL(IDI_THROBBER_01 + i); DCHECK(throbber_icons_[i]); } initialized = true; } }