// Copyright (c) 2010 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/gtk/browser_titlebar.h" #include #include #include #include #include "app/l10n_util.h" #include "app/resource_bundle.h" #include "base/command_line.h" #include "base/singleton.h" #include "base/string_piece.h" #include "base/string_tokenizer.h" #include "base/utf_string_conversions.h" #include "chrome/app/chrome_command_ids.h" #include "chrome/browser/encoding_menu_controller.h" #include "chrome/browser/gtk/accelerators_gtk.h" #include "chrome/browser/gtk/browser_window_gtk.h" #include "chrome/browser/gtk/custom_button.h" #if defined(USE_GCONF) #include "chrome/browser/gtk/gconf_titlebar_listener.h" #endif #include "chrome/browser/gtk/gtk_theme_provider.h" #include "chrome/browser/gtk/gtk_util.h" #include "chrome/browser/gtk/menu_gtk.h" #include "chrome/browser/gtk/nine_box.h" #include "chrome/browser/gtk/tabs/tab_strip_gtk.h" #include "chrome/browser/prefs/pref_service.h" #include "chrome/browser/profile.h" #include "chrome/browser/tab_contents/tab_contents.h" #include "chrome/browser/ui/browser.h" #include "chrome/browser/wrench_menu_model.h" #include "chrome/common/notification_service.h" #include "chrome/common/pref_names.h" #include "gfx/gtk_util.h" #include "gfx/skbitmap_operations.h" #include "grit/app_resources.h" #include "grit/generated_resources.h" #include "grit/theme_resources.h" namespace { // The space above the titlebars. const int kTitlebarHeight = 14; // The thickness in pixels of the tab border. const int kTabOuterThickness = 1; // Amount to offset the tab images relative to the background. const int kNormalVerticalOffset = kTitlebarHeight + kTabOuterThickness; // A linux specific menu item for toggling window decorations. const int kShowWindowDecorationsCommand = 200; const int kOTRBottomSpacing = 1; // There are 2 px on each side of the OTR avatar (between the frame border and // it on the left, and between it and the tabstrip on the right). const int kOTRSideSpacing = 2; // The thickness of the custom frame border; we need it here to enlarge the // close button whent the custom frame border isn't showing but the custom // titlebar is showing. const int kFrameBorderThickness = 4; // There is a 4px gap between the icon and the title text. const int kIconTitleSpacing = 4; // Padding around the icon when in app mode or popup mode. const int kAppModePaddingTop = 5; const int kAppModePaddingBottom = 4; const int kAppModePaddingLeft = 2; // The left padding of the tab strip. In Views, the tab strip has a left // margin of FrameBorderThickness + kClientEdgeThickness. This offset is to // account for kClientEdgeThickness. const int kTabStripLeftPadding = 1; // Spacing between buttons of the titlebar. const int kButtonSpacing = 2; // Spacing around outside of titlebar buttons. const int kButtonOuterPadding = 2; // Spacing between tabstrip and window control buttons (when the window is // maximized). const int kMaximizedTabstripPadding = 16; gboolean OnMouseMoveEvent(GtkWidget* widget, GdkEventMotion* event, BrowserWindowGtk* browser_window) { // Reset to the default mouse cursor. browser_window->ResetCustomFrameCursor(); return TRUE; } GdkPixbuf* GetOTRAvatar() { static GdkPixbuf* otr_avatar = NULL; if (!otr_avatar) { ResourceBundle& rb = ResourceBundle::GetSharedInstance(); otr_avatar = rb.GetRTLEnabledPixbufNamed(IDR_OTR_ICON); } return otr_avatar; } // Converts a GdkColor to a color_utils::HSL. color_utils::HSL GdkColorToHSL(const GdkColor* color) { color_utils::HSL hsl; color_utils::SkColorToHSL(SkColorSetRGB(color->red >> 8, color->green >> 8, color->blue >> 8), &hsl); return hsl; } // Returns either |one| or |two| based on which has a greater difference in // luminosity. GdkColor PickLuminosityContrastingColor(const GdkColor* base, const GdkColor* one, const GdkColor* two) { // Convert all GdkColors to color_utils::HSLs. color_utils::HSL baseHSL = GdkColorToHSL(base); color_utils::HSL oneHSL = GdkColorToHSL(one); color_utils::HSL twoHSL = GdkColorToHSL(two); double one_difference = fabs(baseHSL.l - oneHSL.l); double two_difference = fabs(baseHSL.l - twoHSL.l); // Be biased towards the first color presented. if (two_difference > one_difference + 0.1) return *two; else return *one; } } // namespace //////////////////////////////////////////////////////////////////////////////// // PopupPageMenuModel // A menu model that builds the contents of the menu shown for popups (when the // user clicks on the favicon) and all of its submenus. class PopupPageMenuModel : public menus::SimpleMenuModel { public: explicit PopupPageMenuModel(menus::SimpleMenuModel::Delegate* delegate, Browser* browser); virtual ~PopupPageMenuModel() { } private: void Build(); // Models for submenus referenced by this model. SimpleMenuModel only uses // weak references so these must be kept for the lifetime of the top-level // model. scoped_ptr zoom_menu_model_; scoped_ptr encoding_menu_model_; Browser* browser_; // weak DISALLOW_COPY_AND_ASSIGN(PopupPageMenuModel); }; PopupPageMenuModel::PopupPageMenuModel( menus::SimpleMenuModel::Delegate* delegate, Browser* browser) : menus::SimpleMenuModel(delegate), browser_(browser) { Build(); } void PopupPageMenuModel::Build() { AddItemWithStringId(IDC_BACK, IDS_CONTENT_CONTEXT_BACK); AddItemWithStringId(IDC_FORWARD, IDS_CONTENT_CONTEXT_FORWARD); AddItemWithStringId(IDC_RELOAD, IDS_APP_MENU_RELOAD); AddSeparator(); AddItemWithStringId(IDC_SHOW_AS_TAB, IDS_SHOW_AS_TAB); AddItemWithStringId(IDC_COPY_URL, IDS_APP_MENU_COPY_URL); AddSeparator(); AddItemWithStringId(IDC_CUT, IDS_CUT); AddItemWithStringId(IDC_COPY, IDS_COPY); AddItemWithStringId(IDC_PASTE, IDS_PASTE); AddSeparator(); AddItemWithStringId(IDC_FIND, IDS_FIND); AddItemWithStringId(IDC_PRINT, IDS_PRINT); zoom_menu_model_.reset(new ZoomMenuModel(delegate())); AddSubMenuWithStringId(IDC_ZOOM_MENU, IDS_ZOOM_MENU, zoom_menu_model_.get()); encoding_menu_model_.reset(new EncodingMenuModel(browser_)); AddSubMenuWithStringId(IDC_ENCODING_MENU, IDS_ENCODING_MENU, encoding_menu_model_.get()); AddSeparator(); AddItemWithStringId(IDC_CLOSE_WINDOW, IDS_CLOSE); } //////////////////////////////////////////////////////////////////////////////// // BrowserTitlebar // static const char BrowserTitlebar::kDefaultButtonString[] = ":minimize,maximize,close"; BrowserTitlebar::BrowserTitlebar(BrowserWindowGtk* browser_window, GtkWindow* window) : browser_window_(browser_window), window_(window), titlebar_left_buttons_vbox_(NULL), titlebar_right_buttons_vbox_(NULL), titlebar_left_buttons_hbox_(NULL), titlebar_right_buttons_hbox_(NULL), titlebar_left_spy_frame_(NULL), titlebar_right_spy_frame_(NULL), top_padding_left_(NULL), top_padding_right_(NULL), app_mode_favicon_(NULL), app_mode_title_(NULL), using_custom_frame_(false), window_has_focus_(false), theme_provider_(NULL) { Init(); } void BrowserTitlebar::Init() { // The widget hierarchy is shown below. // // +- EventBox (container_) ------------------------------------------------+ // +- HBox (container_hbox_) -----------------------------------------------+ // |+ VBox ---++- Algn. -++- Alignment --------------++- Algn. -++ VBox ---+| // || titlebar||titlebar || (titlebar_alignment_) ||titlebar || titlebar|| // || left ||left || ||right || right || // || button ||spy || ||spy || button || // || vbox ||frame ||+- TabStripGtk ---------+||frame || vbox || // || || || tab tab tabclose ||| || || // || || ||+------------------------+|| || || // |+---------++---------++--------------------------++---------++---------+| // +------------------------------------------------------------------------+ // // There are two vboxes on either side of |container_hbox_| because when the // desktop is GNOME, the button placement is configurable based on a metacity // gconf key. We can't just have one vbox and move it back and forth because // the gconf language allows you to place buttons on both sides of the // window. This being Linux, I'm sure there's a bunch of people who have // already configured their window manager to do so and we don't want to get // confused when that happens. The actual contents of these vboxes are lazily // generated so they don't interfere with alignment when everything is // stuffed in the other box. // // Each vbox has the contains the following hierarchy if it contains buttons: // // +- VBox (titlebar_{l,r}_buttons_vbox_) ---------+ // |+- Fixed (top_padding_{l,r}_) ----------------+| // ||+- HBox (titlebar_{l,r}_buttons_hbox_ ------+|| // ||| (buttons of a configurable layout) ||| // ||+-------------------------------------------+|| // |+---------------------------------------------+| // +-----------------------------------------------+ // // The two spy alignments are only allocated if this window is an incognito // window. Only one of them holds the spy image. // // If we're a popup window or in app mode, we don't display the spy guy or // the tab strip. Instead, put an hbox in titlebar_alignment_ in place of // the tab strip. // +- Alignment (titlebar_alignment_) -----------------------------------+ // |+ HBox -------------------------------------------------------------+| // ||+- TabStripGtk -++- Image ----------------++- Label --------------+|| // ||| hidden ++ (app_mode_favicon_) || (app_mode_title_) ||| // ||| || favicon || page title ||| // ||+---------------++------------------------++----------------------+|| // |+-------------------------------------------------------------------+| // +---------------------------------------------------------------------+ container_hbox_ = gtk_hbox_new(FALSE, 0); container_ = gtk_event_box_new(); gtk_widget_set_name(container_, "chrome-browser-titlebar"); gtk_event_box_set_visible_window(GTK_EVENT_BOX(container_), FALSE); gtk_container_add(GTK_CONTAINER(container_), container_hbox_); g_signal_connect(container_, "scroll-event", G_CALLBACK(OnScrollThunk), this); g_signal_connect(window_, "window-state-event", G_CALLBACK(OnWindowStateChangedThunk), this); // Allocate the two button boxes on the left and right parts of the bar, and // spyguy frames in case of incognito mode. titlebar_left_buttons_vbox_ = gtk_vbox_new(FALSE, 0); gtk_box_pack_start(GTK_BOX(container_hbox_), titlebar_left_buttons_vbox_, FALSE, FALSE, 0); if (browser_window_->browser()->profile()->IsOffTheRecord() && browser_window_->browser()->type() == Browser::TYPE_NORMAL) { titlebar_left_spy_frame_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0); gtk_widget_set_no_show_all(titlebar_left_spy_frame_, TRUE); gtk_alignment_set_padding(GTK_ALIGNMENT(titlebar_left_spy_frame_), 0, kOTRBottomSpacing, kOTRSideSpacing, kOTRSideSpacing); gtk_box_pack_start(GTK_BOX(container_hbox_), titlebar_left_spy_frame_, FALSE, FALSE, 0); titlebar_right_spy_frame_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0); gtk_widget_set_no_show_all(titlebar_right_spy_frame_, TRUE); gtk_alignment_set_padding(GTK_ALIGNMENT(titlebar_right_spy_frame_), 0, kOTRBottomSpacing, kOTRSideSpacing, kOTRSideSpacing); gtk_box_pack_end(GTK_BOX(container_hbox_), titlebar_right_spy_frame_, FALSE, FALSE, 0); } titlebar_right_buttons_vbox_ = gtk_vbox_new(FALSE, 0); gtk_box_pack_end(GTK_BOX(container_hbox_), titlebar_right_buttons_vbox_, FALSE, FALSE, 0); #if defined(USE_GCONF) // Either read the gconf database and register for updates (on GNOME), or use // the default value (anywhere else). Singleton()->SetTitlebarButtons(this); #else BuildButtons(kDefaultButtonString); #endif // We use an alignment to control the titlebar height. titlebar_alignment_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0); if (browser_window_->browser()->type() == Browser::TYPE_NORMAL) { gtk_box_pack_start(GTK_BOX(container_hbox_), titlebar_alignment_, TRUE, TRUE, 0); // Put the tab strip in the titlebar. gtk_container_add(GTK_CONTAINER(titlebar_alignment_), browser_window_->tabstrip()->widget()); } else { // App mode specific widgets. gtk_box_pack_start(GTK_BOX(container_hbox_), titlebar_alignment_, TRUE, TRUE, 0); GtkWidget* app_mode_hbox = gtk_hbox_new(FALSE, kIconTitleSpacing); gtk_container_add(GTK_CONTAINER(titlebar_alignment_), app_mode_hbox); // Put the tab strip in the hbox even though we don't show it. Sometimes // we need the position of the tab strip so make sure it's in our widget // hierarchy. gtk_box_pack_start(GTK_BOX(app_mode_hbox), browser_window_->tabstrip()->widget(), FALSE, FALSE, 0); GtkWidget* favicon_event_box = gtk_event_box_new(); gtk_event_box_set_visible_window(GTK_EVENT_BOX(favicon_event_box), FALSE); g_signal_connect(favicon_event_box, "button-press-event", G_CALLBACK(OnButtonPressedThunk), this); gtk_box_pack_start(GTK_BOX(app_mode_hbox), favicon_event_box, FALSE, FALSE, 0); // We use the app logo as a placeholder image so the title doesn't jump // around. ResourceBundle& rb = ResourceBundle::GetSharedInstance(); app_mode_favicon_ = gtk_image_new_from_pixbuf( rb.GetRTLEnabledPixbufNamed(IDR_PRODUCT_LOGO_16)); g_object_set_data(G_OBJECT(app_mode_favicon_), "left-align-popup", reinterpret_cast(true)); gtk_container_add(GTK_CONTAINER(favicon_event_box), app_mode_favicon_); app_mode_title_ = gtk_label_new(NULL); gtk_label_set_ellipsize(GTK_LABEL(app_mode_title_), PANGO_ELLIPSIZE_END); gtk_misc_set_alignment(GTK_MISC(app_mode_title_), 0.0, 0.5); gtk_box_pack_start(GTK_BOX(app_mode_hbox), app_mode_title_, TRUE, TRUE, 0); // Register with the theme provider to set the |app_mode_title_| label // color. theme_provider_ = GtkThemeProvider::GetFrom( browser_window_->browser()->profile()); registrar_.Add(this, NotificationType::BROWSER_THEME_CHANGED, NotificationService::AllSources()); theme_provider_->InitThemesFor(this); UpdateTitleAndIcon(); } gtk_widget_show_all(container_); ActiveWindowWatcherX::AddObserver(this); } BrowserTitlebar::~BrowserTitlebar() { ActiveWindowWatcherX::RemoveObserver(this); #if defined(USE_GCONF) Singleton()->RemoveObserver(this); #endif } void BrowserTitlebar::BuildButtons(const std::string& button_string) { // Clear out all previous data. close_button_.reset(); restore_button_.reset(); maximize_button_.reset(); minimize_button_.reset(); gtk_util::RemoveAllChildren(titlebar_left_buttons_vbox_); gtk_util::RemoveAllChildren(titlebar_right_buttons_vbox_); titlebar_left_buttons_hbox_ = NULL; titlebar_right_buttons_hbox_ = NULL; top_padding_left_ = NULL; top_padding_right_ = NULL; bool left_side = true; StringTokenizer tokenizer(button_string, ":,"); tokenizer.set_options(StringTokenizer::RETURN_DELIMS); int left_count = 0; int right_count = 0; while (tokenizer.GetNext()) { if (tokenizer.token_is_delim()) { if (*tokenizer.token_begin() == ':') left_side = false; } else { base::StringPiece token = tokenizer.token_piece(); if (token == "minimize") { (left_side ? left_count : right_count)++; GtkWidget* parent_box = GetButtonHBox(left_side); minimize_button_.reset( BuildTitlebarButton(IDR_MINIMIZE, IDR_MINIMIZE_P, IDR_MINIMIZE_H, parent_box, IDS_XPFRAME_MINIMIZE_TOOLTIP)); gtk_widget_size_request(minimize_button_->widget(), &minimize_button_req_); } else if (token == "maximize") { (left_side ? left_count : right_count)++; GtkWidget* parent_box = GetButtonHBox(left_side); restore_button_.reset( BuildTitlebarButton(IDR_RESTORE, IDR_RESTORE_P, IDR_RESTORE_H, parent_box, IDS_XPFRAME_RESTORE_TOOLTIP)); maximize_button_.reset( BuildTitlebarButton(IDR_MAXIMIZE, IDR_MAXIMIZE_P, IDR_MAXIMIZE_H, parent_box, IDS_XPFRAME_MAXIMIZE_TOOLTIP)); gtk_util::SetButtonClickableByMouseButtons(maximize_button_->widget(), true, true, true); gtk_widget_size_request(restore_button_->widget(), &restore_button_req_); } else if (token == "close") { (left_side ? left_count : right_count)++; GtkWidget* parent_box = GetButtonHBox(left_side); close_button_.reset( BuildTitlebarButton(IDR_CLOSE, IDR_CLOSE_P, IDR_CLOSE_H, parent_box, IDS_XPFRAME_CLOSE_TOOLTIP)); close_button_->set_flipped(left_side); gtk_widget_size_request(close_button_->widget(), &close_button_req_); } // Ignore any other values like "pin" since we don't have images for // those. } } // If we are in incognito mode, add the spy guy to either the end of the left // or the beginning of the right depending on which side has fewer buttons. if (browser_window_->browser()->profile()->IsOffTheRecord() && browser_window_->browser()->type() == Browser::TYPE_NORMAL) { GtkWidget* spy_guy = gtk_image_new_from_pixbuf(GetOTRAvatar()); gtk_misc_set_alignment(GTK_MISC(spy_guy), 0.0, 1.0); gtk_widget_set_size_request(spy_guy, -1, 0); gtk_widget_show(spy_guy); // Remove previous state. gtk_util::RemoveAllChildren(titlebar_left_spy_frame_); gtk_util::RemoveAllChildren(titlebar_right_spy_frame_); if (right_count > left_count) { gtk_container_add(GTK_CONTAINER(titlebar_left_spy_frame_), spy_guy); gtk_widget_show(titlebar_left_spy_frame_); gtk_widget_hide(titlebar_right_spy_frame_); } else { gtk_container_add(GTK_CONTAINER(titlebar_right_spy_frame_), spy_guy); gtk_widget_show(titlebar_right_spy_frame_); gtk_widget_hide(titlebar_left_spy_frame_); } } // Now show the correct widgets in the two hierarchies. gtk_widget_show_all(titlebar_left_buttons_vbox_); gtk_widget_show_all(titlebar_right_buttons_vbox_); UpdateMaximizeRestoreVisibility(); } GtkWidget* BrowserTitlebar::GetButtonHBox(bool left_side) { if (left_side && titlebar_left_buttons_hbox_) return titlebar_left_buttons_hbox_; else if (!left_side && titlebar_right_buttons_hbox_) return titlebar_right_buttons_hbox_; // We put the min/max/restore/close buttons in a vbox so they are top aligned // (up to padding) and don't vertically stretch. GtkWidget* vbox = left_side ? titlebar_left_buttons_vbox_ : titlebar_right_buttons_vbox_; GtkWidget* top_padding = gtk_fixed_new(); gtk_widget_set_size_request(top_padding, -1, kButtonOuterPadding); gtk_box_pack_start(GTK_BOX(vbox), top_padding, FALSE, FALSE, 0); GtkWidget* buttons_hbox = gtk_hbox_new(FALSE, kButtonSpacing); gtk_box_pack_start(GTK_BOX(vbox), buttons_hbox, FALSE, FALSE, 0); if (left_side) { titlebar_left_buttons_hbox_ = buttons_hbox; top_padding_left_ = top_padding; } else { titlebar_right_buttons_hbox_ = buttons_hbox; top_padding_right_ = top_padding; } return buttons_hbox; } CustomDrawButton* BrowserTitlebar::BuildTitlebarButton(int image, int image_pressed, int image_hot, GtkWidget* box, int tooltip) { CustomDrawButton* button = new CustomDrawButton(image, image_pressed, image_hot, 0); gtk_widget_add_events(GTK_WIDGET(button->widget()), GDK_POINTER_MOTION_MASK); g_signal_connect(button->widget(), "clicked", G_CALLBACK(OnButtonClickedThunk), this); g_signal_connect(button->widget(), "motion-notify-event", G_CALLBACK(OnMouseMoveEvent), browser_window_); std::string localized_tooltip = l10n_util::GetStringUTF8(tooltip); gtk_widget_set_tooltip_text(button->widget(), localized_tooltip.c_str()); gtk_box_pack_start(GTK_BOX(box), button->widget(), FALSE, FALSE, 0); return button; } void BrowserTitlebar::UpdateCustomFrame(bool use_custom_frame) { using_custom_frame_ = use_custom_frame; if (use_custom_frame) { if (titlebar_left_buttons_vbox_) gtk_widget_show(titlebar_left_buttons_vbox_); if (titlebar_right_buttons_vbox_) gtk_widget_show(titlebar_right_buttons_vbox_); } else { if (titlebar_left_buttons_vbox_) gtk_widget_hide(titlebar_left_buttons_vbox_); if (titlebar_right_buttons_vbox_) gtk_widget_hide(titlebar_right_buttons_vbox_); } UpdateTitlebarAlignment(); } void BrowserTitlebar::UpdateTitleAndIcon() { if (!app_mode_title_) return; // Get the page title and elide it to the available space. string16 title = browser_window_->browser()->GetWindowTitleForCurrentTab(); gtk_label_set_text(GTK_LABEL(app_mode_title_), UTF16ToUTF8(title).c_str()); // Note: this isn't browser_window_->browser()->type() & Browser::TYPE_APP // because we want to exclude Browser::TYPE_APP_POPUP. if (browser_window_->browser()->type() == Browser::TYPE_APP || browser_window_->browser()->type() == Browser::TYPE_APP_PANEL) { // Update the system app icon. We don't need to update the icon in the top // left of the custom frame, that will get updated when the throbber is // updated. SkBitmap icon = browser_window_->browser()->GetCurrentPageIcon(); if (icon.empty()) { gtk_util::SetWindowIcon(window_); } else { GdkPixbuf* icon_pixbuf = gfx::GdkPixbufFromSkBitmap(&icon); gtk_window_set_icon(window_, icon_pixbuf); g_object_unref(icon_pixbuf); } } } void BrowserTitlebar::UpdateThrobber(TabContents* tab_contents) { DCHECK(app_mode_favicon_); if (tab_contents && tab_contents->is_loading()) { GdkPixbuf* icon_pixbuf = throbber_.GetNextFrame(tab_contents->waiting_for_response()); gtk_image_set_from_pixbuf(GTK_IMAGE(app_mode_favicon_), icon_pixbuf); } else { ResourceBundle& rb = ResourceBundle::GetSharedInstance(); // Note: this isn't browser_window_->browser()->type() & Browser::TYPE_APP // because we want to exclude Browser::TYPE_APP_POPUP. if (browser_window_->browser()->type() == Browser::TYPE_APP || browser_window_->browser()->type() == Browser::TYPE_APP_PANEL) { SkBitmap icon = browser_window_->browser()->GetCurrentPageIcon(); if (icon.empty()) { // Fallback to the Chromium icon if the page has no icon. gtk_image_set_from_pixbuf(GTK_IMAGE(app_mode_favicon_), rb.GetPixbufNamed(IDR_PRODUCT_LOGO_16)); } else { GdkPixbuf* icon_pixbuf = gfx::GdkPixbufFromSkBitmap(&icon); gtk_image_set_from_pixbuf(GTK_IMAGE(app_mode_favicon_), icon_pixbuf); g_object_unref(icon_pixbuf); } } else { gtk_image_set_from_pixbuf(GTK_IMAGE(app_mode_favicon_), rb.GetPixbufNamed(IDR_PRODUCT_LOGO_16)); } throbber_.Reset(); } } void BrowserTitlebar::UpdateTitlebarAlignment() { if (browser_window_->browser()->type() == Browser::TYPE_NORMAL) { int top_padding = 0; int side_padding = 0; int vertical_offset = kNormalVerticalOffset; if (using_custom_frame_) { if (!browser_window_->IsMaximized()) { top_padding = kTitlebarHeight; } else if (using_custom_frame_ && browser_window_->IsMaximized()) { vertical_offset = 0; side_padding = kMaximizedTabstripPadding; } } int right_padding = 0; int left_padding = kTabStripLeftPadding; if (titlebar_right_buttons_hbox_) right_padding = side_padding; if (titlebar_left_buttons_hbox_) left_padding = side_padding; gtk_alignment_set_padding(GTK_ALIGNMENT(titlebar_alignment_), top_padding, 0, left_padding, right_padding); browser_window_->tabstrip()->SetVerticalOffset(vertical_offset); } else { if (using_custom_frame_ && !browser_window_->IsFullscreen()) { gtk_alignment_set_padding(GTK_ALIGNMENT(titlebar_alignment_), kAppModePaddingTop, kAppModePaddingBottom, kAppModePaddingLeft, 0); gtk_widget_show(titlebar_alignment_); } else { gtk_widget_hide(titlebar_alignment_); } } // Resize the buttons so that the clickable area extends all the way to the // edge of the browser window. GtkRequisition close_button_req = close_button_req_; GtkRequisition minimize_button_req = minimize_button_req_; GtkRequisition restore_button_req = restore_button_req_; if (using_custom_frame_ && browser_window_->IsMaximized()) { close_button_req.width += kButtonOuterPadding; close_button_req.height += kButtonOuterPadding; minimize_button_req.height += kButtonOuterPadding; restore_button_req.height += kButtonOuterPadding; if (top_padding_left_) gtk_widget_hide(top_padding_left_); if (top_padding_right_) gtk_widget_hide(top_padding_right_); } else { if (top_padding_left_) gtk_widget_show(top_padding_left_); if (top_padding_right_) gtk_widget_show(top_padding_right_); } if (close_button_.get()) { gtk_widget_set_size_request(close_button_->widget(), close_button_req.width, close_button_req.height); } if (minimize_button_.get()) { gtk_widget_set_size_request(minimize_button_->widget(), minimize_button_req.width, minimize_button_req.height); } if (maximize_button_.get()) { gtk_widget_set_size_request(restore_button_->widget(), restore_button_req.width, restore_button_req.height); } } void BrowserTitlebar::UpdateTextColor() { if (!app_mode_title_) return; if (theme_provider_ && theme_provider_->UseGtkTheme()) { // We don't really have any good options here. // // Colors from window manager themes aren't exposed in GTK; the window // manager is a separate component and when there is information sharing // (in the case of metacity), it's one way where the window manager reads // data from the GTK theme (which allows us to do a decent job with // picking the frame color). // // We probably won't match in the majority of cases, but we can at the // very least make things legible. The default metacity and xfwm themes // on ubuntu have white text hardcoded. Determine whether black or white // has more luminosity contrast and then set that color as the text // color. GdkColor frame_color; if (window_has_focus_) { frame_color = theme_provider_->GetGdkColor( BrowserThemeProvider::COLOR_FRAME); } else { frame_color = theme_provider_->GetGdkColor( BrowserThemeProvider::COLOR_FRAME_INACTIVE); } GdkColor text_color = PickLuminosityContrastingColor( &frame_color, >k_util::kGdkWhite, >k_util::kGdkBlack); gtk_util::SetLabelColor(app_mode_title_, &text_color); } else { gtk_util::SetLabelColor(app_mode_title_, >k_util::kGdkWhite); } } void BrowserTitlebar::ShowFaviconMenu(GdkEventButton* event) { if (!favicon_menu_model_.get()) { favicon_menu_model_.reset( new PopupPageMenuModel(this, browser_window_->browser())); favicon_menu_.reset(new MenuGtk(NULL, favicon_menu_model_.get())); } favicon_menu_->Popup(app_mode_favicon_, reinterpret_cast(event)); } void BrowserTitlebar::MaximizeButtonClicked() { GdkEvent* event = gtk_get_current_event(); if (event->button.button == 1) { gtk_window_maximize(window_); } else { GtkWidget* widget = GTK_WIDGET(window_); GdkScreen* screen = gtk_widget_get_screen(widget); gint monitor = gdk_screen_get_monitor_at_window(screen, widget->window); GdkRectangle screen_rect; gdk_screen_get_monitor_geometry(screen, monitor, &screen_rect); gint x, y; gtk_window_get_position(window_, &x, &y); gint width = widget->allocation.width; gint height = widget->allocation.height; if (event->button.button == 3) { x = 0; width = screen_rect.width; } else if (event->button.button == 2) { y = 0; height = screen_rect.height; } browser_window_->SetBounds(gfx::Rect(x, y, width, height)); } gdk_event_free(event); } void BrowserTitlebar::UpdateMaximizeRestoreVisibility() { if (maximize_button_.get()) { if (browser_window_->IsMaximized()) { gtk_widget_hide(maximize_button_->widget()); gtk_widget_show(restore_button_->widget()); } else { gtk_widget_hide(restore_button_->widget()); gtk_widget_show(maximize_button_->widget()); } } } gboolean BrowserTitlebar::OnWindowStateChanged(GtkWindow* window, GdkEventWindowState* event) { UpdateMaximizeRestoreVisibility(); UpdateTitlebarAlignment(); UpdateTextColor(); return FALSE; } gboolean BrowserTitlebar::OnScroll(GtkWidget* widget, GdkEventScroll* event) { TabStripModel* tabstrip_model = browser_window_->browser()->tabstrip_model(); int index = tabstrip_model->selected_index(); if (event->direction == GDK_SCROLL_LEFT || event->direction == GDK_SCROLL_UP) { if (index != 0) tabstrip_model->SelectPreviousTab(); } else if (index + 1 < tabstrip_model->count()) { tabstrip_model->SelectNextTab(); } return TRUE; } // static void BrowserTitlebar::OnButtonClicked(GtkWidget* button) { if (close_button_.get() && close_button_->widget() == button) { browser_window_->Close(); } else if (restore_button_.get() && restore_button_->widget() == button) { browser_window_->UnMaximize(); } else if (maximize_button_.get() && maximize_button_->widget() == button) { MaximizeButtonClicked(); } else if (minimize_button_.get() && minimize_button_->widget() == button) { gtk_window_iconify(window_); } } gboolean BrowserTitlebar::OnButtonPressed(GtkWidget* widget, GdkEventButton* event) { if (event->button != 1) return FALSE; ShowFaviconMenu(event); return TRUE; } void BrowserTitlebar::ShowContextMenu() { if (!context_menu_.get()) { context_menu_model_.reset(new ContextMenuModel(this)); context_menu_.reset(new MenuGtk(NULL, context_menu_model_.get())); } context_menu_->PopupAsContext(gtk_get_current_event_time()); } bool BrowserTitlebar::IsCommandIdEnabled(int command_id) const { if (command_id == kShowWindowDecorationsCommand) return true; return browser_window_->browser()->command_updater()-> IsCommandEnabled(command_id); } bool BrowserTitlebar::IsCommandIdChecked(int command_id) const { if (command_id == kShowWindowDecorationsCommand) { PrefService* prefs = browser_window_->browser()->profile()->GetPrefs(); return !prefs->GetBoolean(prefs::kUseCustomChromeFrame); } EncodingMenuController controller; if (controller.DoesCommandBelongToEncodingMenu(command_id)) { TabContents* tab_contents = browser_window_->browser()->GetSelectedTabContents(); if (tab_contents) { return controller.IsItemChecked(browser_window_->browser()->profile(), tab_contents->encoding(), command_id); } return false; } NOTREACHED(); return false; } void BrowserTitlebar::ExecuteCommand(int command_id) { if (command_id == kShowWindowDecorationsCommand) { PrefService* prefs = browser_window_->browser()->profile()->GetPrefs(); prefs->SetBoolean(prefs::kUseCustomChromeFrame, !prefs->GetBoolean(prefs::kUseCustomChromeFrame)); return; } browser_window_->browser()->ExecuteCommand(command_id); } bool BrowserTitlebar::GetAcceleratorForCommandId( int command_id, menus::Accelerator* accelerator) { const menus::AcceleratorGtk* accelerator_gtk = Singleton()->GetPrimaryAcceleratorForCommand( command_id); if (accelerator_gtk) *accelerator = *accelerator_gtk; return accelerator_gtk; } void BrowserTitlebar::Observe(NotificationType type, const NotificationSource& source, const NotificationDetails& details) { switch (type.value) { case NotificationType::BROWSER_THEME_CHANGED: UpdateTextColor(); break; default: NOTREACHED(); } } void BrowserTitlebar::ActiveWindowChanged(GdkWindow* active_window) { // Can be called during shutdown; BrowserWindowGtk will set our |window_| // to NULL during that time. if (!window_) return; window_has_focus_ = GTK_WIDGET(window_)->window == active_window; UpdateTextColor(); } /////////////////////////////////////////////////////////////////////////////// // BrowserTitlebar::Throbber implementation // TODO(tc): Handle anti-clockwise spinning when waiting for a connection. // We don't bother to clean up these or the pixbufs they contain when we exit. static std::vector* g_throbber_frames = NULL; static std::vector* g_throbber_waiting_frames = NULL; // Load |resource_id| from the ResourceBundle and split it into a series of // square GdkPixbufs that get stored in |frames|. static void MakeThrobberFrames(int resource_id, std::vector* frames) { ResourceBundle &rb = ResourceBundle::GetSharedInstance(); SkBitmap* frame_strip = rb.GetBitmapNamed(resource_id); // Each frame of the animation is a square, so we use the height as the // frame size. int frame_size = frame_strip->height(); size_t num_frames = frame_strip->width() / frame_size; // Make a separate GdkPixbuf for each frame of the animation. for (size_t i = 0; i < num_frames; ++i) { SkBitmap frame = SkBitmapOperations::CreateTiledBitmap(*frame_strip, i * frame_size, 0, frame_size, frame_size); frames->push_back(gfx::GdkPixbufFromSkBitmap(&frame)); } } GdkPixbuf* BrowserTitlebar::Throbber::GetNextFrame(bool is_waiting) { Throbber::InitFrames(); if (is_waiting) { return (*g_throbber_waiting_frames)[current_waiting_frame_++ % g_throbber_waiting_frames->size()]; } else { return (*g_throbber_frames)[current_frame_++ % g_throbber_frames->size()]; } } void BrowserTitlebar::Throbber::Reset() { current_frame_ = 0; current_waiting_frame_ = 0; } // static void BrowserTitlebar::Throbber::InitFrames() { if (g_throbber_frames) return; // We load the light version of the throbber since it'll be in the titlebar. g_throbber_frames = new std::vector; MakeThrobberFrames(IDR_THROBBER_LIGHT, g_throbber_frames); g_throbber_waiting_frames = new std::vector; MakeThrobberFrames(IDR_THROBBER_WAITING_LIGHT, g_throbber_waiting_frames); } BrowserTitlebar::ContextMenuModel::ContextMenuModel( menus::SimpleMenuModel::Delegate* delegate) : SimpleMenuModel(delegate) { AddItemWithStringId(IDC_NEW_TAB, IDS_TAB_CXMENU_NEWTAB); AddItemWithStringId(IDC_RESTORE_TAB, IDS_RESTORE_TAB); AddSeparator(); AddItemWithStringId(IDC_TASK_MANAGER, IDS_TASK_MANAGER); AddSeparator(); AddCheckItemWithStringId(kShowWindowDecorationsCommand, IDS_SHOW_WINDOW_DECORATIONS_MENU); }