// Copyright (c) 2011 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/gtk/browser_toolbar_gtk.h"
#include <X11/XF86keysym.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtk.h>
#include "base/base_paths.h"
#include "base/command_line.h"
#include "base/debug/trace_event.h"
#include "base/i18n/rtl.h"
#include "base/logging.h"
#include "base/memory/singleton.h"
#include "base/path_service.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/net/url_fixer_upper.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/themes/theme_service.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/global_error_service.h"
#include "chrome/browser/ui/global_error_service_factory.h"
#include "chrome/browser/ui/gtk/accelerators_gtk.h"
#include "chrome/browser/ui/gtk/back_forward_button_gtk.h"
#include "chrome/browser/ui/gtk/bookmarks/bookmark_sub_menu_model_gtk.h"
#include "chrome/browser/ui/gtk/browser_actions_toolbar_gtk.h"
#include "chrome/browser/ui/gtk/browser_window_gtk.h"
#include "chrome/browser/ui/gtk/custom_button.h"
#include "chrome/browser/ui/gtk/gtk_chrome_button.h"
#include "chrome/browser/ui/gtk/gtk_theme_service.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "chrome/browser/ui/gtk/location_bar_view_gtk.h"
#include "chrome/browser/ui/gtk/reload_button_gtk.h"
#include "chrome/browser/ui/gtk/rounded_window.h"
#include "chrome/browser/ui/gtk/tabs/tab_strip_gtk.h"
#include "chrome/browser/ui/gtk/view_id_util.h"
#include "chrome/browser/ui/toolbar/encoding_menu_controller.h"
#include "chrome/browser/upgrade_detector.h"
#include "chrome/common/chrome_notification_types.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "grit/theme_resources_standard.h"
#include "ui/base/accelerators/accelerator_gtk.h"
#include "ui/base/dragdrop/gtk_dnd_util.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/canvas_skia_paint.h"
#include "ui/gfx/gtk_util.h"
#include "ui/gfx/image/cairo_cached_surface.h"
#include "ui/gfx/skbitmap_operations.h"
using content::UserMetricsAction;
using content::WebContents;
namespace {
// Padding on left and right of the left toolbar buttons (back, forward, reload,
// etc.).
const int kToolbarLeftAreaPadding = 4;
// Height of the toolbar in pixels (not counting padding).
const int kToolbarHeight = 29;
// Padding within the toolbar above the buttons and location bar.
const int kTopBottomPadding = 3;
// Height of the toolbar in pixels when we only show the location bar.
const int kToolbarHeightLocationBarOnly = kToolbarHeight - 2;
// Interior spacing between toolbar widgets.
const int kToolbarWidgetSpacing = 1;
// Amount of rounding on top corners of toolbar. Only used in Gtk theme mode.
const int kToolbarCornerSize = 3;
void SetWidgetHeightRequest(GtkWidget* widget, gpointer user_data) {
gtk_widget_set_size_request(widget, -1, GPOINTER_TO_INT(user_data));
}
} // namespace
// BrowserToolbarGtk, public ---------------------------------------------------
BrowserToolbarGtk::BrowserToolbarGtk(Browser* browser, BrowserWindowGtk* window)
: toolbar_(NULL),
location_bar_(new LocationBarViewGtk(browser)),
model_(browser->toolbar_model()),
is_wrench_menu_model_valid_(true),
browser_(browser),
window_(window) {
wrench_menu_model_.reset(new WrenchMenuModel(this, browser_));
browser_->command_updater()->AddCommandObserver(IDC_BACK, this);
browser_->command_updater()->AddCommandObserver(IDC_FORWARD, this);
browser_->command_updater()->AddCommandObserver(IDC_HOME, this);
browser_->command_updater()->AddCommandObserver(IDC_BOOKMARK_PAGE, this);
registrar_.Add(this,
chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
content::NotificationService::AllSources());
registrar_.Add(this,
chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
content::Source<Profile>(browser_->profile()));
}
BrowserToolbarGtk::~BrowserToolbarGtk() {
browser_->command_updater()->RemoveCommandObserver(IDC_BACK, this);
browser_->command_updater()->RemoveCommandObserver(IDC_FORWARD, this);
browser_->command_updater()->RemoveCommandObserver(IDC_HOME, this);
browser_->command_updater()->RemoveCommandObserver(IDC_BOOKMARK_PAGE, this);
offscreen_entry_.Destroy();
wrench_menu_.reset();
}
void BrowserToolbarGtk::Init(GtkWindow* top_level_window) {
Profile* profile = browser_->profile();
theme_service_ = GtkThemeService::GetFrom(profile);
registrar_.Add(this,
chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
content::Source<ThemeService>(theme_service_));
offscreen_entry_.Own(gtk_entry_new());
show_home_button_.Init(prefs::kShowHomeButton, profile->GetPrefs(), this);
home_page_.Init(prefs::kHomePage, profile->GetPrefs(), this);
home_page_is_new_tab_page_.Init(prefs::kHomePageIsNewTabPage,
profile->GetPrefs(), this);
event_box_ = gtk_event_box_new();
// Make the event box transparent so themes can use transparent toolbar
// backgrounds.
if (!theme_service_->UsingNativeTheme())
gtk_event_box_set_visible_window(GTK_EVENT_BOX(event_box_), FALSE);
toolbar_ = gtk_hbox_new(FALSE, 0);
alignment_ = gtk_alignment_new(0.0, 0.0, 1.0, 1.0);
UpdateForBookmarkBarVisibility(false);
g_signal_connect(alignment_, "expose-event",
G_CALLBACK(&OnAlignmentExposeThunk), this);
gtk_container_add(GTK_CONTAINER(event_box_), alignment_);
gtk_container_add(GTK_CONTAINER(alignment_), toolbar_);
toolbar_left_ = gtk_hbox_new(FALSE, kToolbarWidgetSpacing);
GtkSizeGroup* size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
back_.reset(new BackForwardButtonGtk(browser_, false));
g_signal_connect(back_->widget(), "clicked",
G_CALLBACK(OnButtonClickThunk), this);
gtk_size_group_add_widget(size_group, back_->widget());
gtk_box_pack_start(GTK_BOX(toolbar_left_), back_->widget(), FALSE,
FALSE, 0);
forward_.reset(new BackForwardButtonGtk(browser_, true));
g_signal_connect(forward_->widget(), "clicked",
G_CALLBACK(OnButtonClickThunk), this);
gtk_size_group_add_widget(size_group, forward_->widget());
gtk_box_pack_start(GTK_BOX(toolbar_left_), forward_->widget(), FALSE,
FALSE, 0);
reload_.reset(new ReloadButtonGtk(location_bar_.get(), browser_));
gtk_size_group_add_widget(size_group, reload_->widget());
gtk_box_pack_start(GTK_BOX(toolbar_left_), reload_->widget(), FALSE, FALSE,
0);
home_.reset(new CustomDrawButton(theme_service_, IDR_HOME, IDR_HOME_P,
IDR_HOME_H, 0, GTK_STOCK_HOME, GTK_ICON_SIZE_SMALL_TOOLBAR));
gtk_widget_set_tooltip_text(home_->widget(),
l10n_util::GetStringUTF8(IDS_TOOLTIP_HOME).c_str());
g_signal_connect(home_->widget(), "clicked",
G_CALLBACK(OnButtonClickThunk), this);
gtk_size_group_add_widget(size_group, home_->widget());
gtk_box_pack_start(GTK_BOX(toolbar_left_), home_->widget(), FALSE, FALSE,
kToolbarWidgetSpacing);
gtk_util::SetButtonTriggersNavigation(home_->widget());
gtk_box_pack_start(GTK_BOX(toolbar_), toolbar_left_, FALSE, FALSE,
kToolbarLeftAreaPadding);
g_object_unref(size_group);
location_hbox_ = gtk_hbox_new(FALSE, 0);
location_bar_->Init(ShouldOnlyShowLocation());
gtk_box_pack_start(GTK_BOX(location_hbox_), location_bar_->widget(), TRUE,
TRUE, 0);
g_signal_connect(location_hbox_, "expose-event",
G_CALLBACK(OnLocationHboxExposeThunk), this);
gtk_box_pack_start(GTK_BOX(toolbar_), location_hbox_, TRUE, TRUE,
ShouldOnlyShowLocation() ? 1 : 0);
if (!ShouldOnlyShowLocation()) {
actions_toolbar_.reset(new BrowserActionsToolbarGtk(browser_));
gtk_box_pack_start(GTK_BOX(toolbar_), actions_toolbar_->widget(),
FALSE, FALSE, 0);
}
wrench_menu_image_ = gtk_image_new_from_pixbuf(
theme_service_->GetRTLEnabledPixbufNamed(IDR_TOOLS));
wrench_menu_button_.reset(new CustomDrawButton(theme_service_, IDR_TOOLS,
IDR_TOOLS_P, IDR_TOOLS_H, 0, wrench_menu_image_));
GtkWidget* wrench_button = wrench_menu_button_->widget();
gtk_widget_set_tooltip_text(
wrench_button,
l10n_util::GetStringFUTF8(IDS_APPMENU_TOOLTIP,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)).c_str());
g_signal_connect(wrench_button, "button-press-event",
G_CALLBACK(OnMenuButtonPressEventThunk), this);
gtk_widget_set_can_focus(wrench_button, FALSE);
// Put the wrench button in a box so that we can paint the update notification
// over it.
GtkWidget* wrench_box = gtk_alignment_new(0, 0, 1, 1);
g_signal_connect_after(wrench_box, "expose-event",
G_CALLBACK(OnWrenchMenuButtonExposeThunk), this);
gtk_container_add(GTK_CONTAINER(wrench_box), wrench_button);
gtk_box_pack_start(GTK_BOX(toolbar_), wrench_box, FALSE, FALSE, 4);
wrench_menu_.reset(new MenuGtk(this, wrench_menu_model_.get()));
// The bookmark menu model needs to be able to force the wrench menu to close.
wrench_menu_model_->bookmark_sub_menu_model()->SetMenuGtk(wrench_menu_.get());
registrar_.Add(this, content::NOTIFICATION_ZOOM_LEVEL_CHANGED,
content::Source<HostZoomMap>(profile->GetHostZoomMap()));
if (ShouldOnlyShowLocation()) {
gtk_widget_show(event_box_);
gtk_widget_show(alignment_);
gtk_widget_show(toolbar_);
gtk_widget_show_all(location_hbox_);
gtk_widget_hide(reload_->widget());
} else {
gtk_widget_show_all(event_box_);
if (actions_toolbar_->button_count() == 0)
gtk_widget_hide(actions_toolbar_->widget());
}
// Initialize pref-dependent UI state.
NotifyPrefChanged(NULL);
// Because the above does a recursive show all on all widgets we need to
// update the icon visibility to hide them.
location_bar_->UpdateContentSettingsIcons();
SetViewIDs();
theme_service_->InitThemesFor(this);
}
void BrowserToolbarGtk::SetViewIDs() {
ViewIDUtil::SetID(widget(), VIEW_ID_TOOLBAR);
ViewIDUtil::SetID(back_->widget(), VIEW_ID_BACK_BUTTON);
ViewIDUtil::SetID(forward_->widget(), VIEW_ID_FORWARD_BUTTON);
ViewIDUtil::SetID(reload_->widget(), VIEW_ID_RELOAD_BUTTON);
ViewIDUtil::SetID(home_->widget(), VIEW_ID_HOME_BUTTON);
ViewIDUtil::SetID(location_bar_->widget(), VIEW_ID_LOCATION_BAR);
ViewIDUtil::SetID(wrench_menu_button_->widget(), VIEW_ID_APP_MENU);
}
void BrowserToolbarGtk::Show() {
gtk_widget_show(toolbar_);
}
void BrowserToolbarGtk::Hide() {
gtk_widget_hide(toolbar_);
}
LocationBar* BrowserToolbarGtk::GetLocationBar() const {
return location_bar_.get();
}
void BrowserToolbarGtk::UpdateForBookmarkBarVisibility(
bool show_bottom_padding) {
gtk_alignment_set_padding(GTK_ALIGNMENT(alignment_),
ShouldOnlyShowLocation() ? 0 : kTopBottomPadding,
!show_bottom_padding || ShouldOnlyShowLocation() ? 0 : kTopBottomPadding,
0, 0);
}
void BrowserToolbarGtk::ShowAppMenu() {
wrench_menu_->Cancel();
if (!is_wrench_menu_model_valid_)
RebuildWrenchMenu();
wrench_menu_button_->SetPaintOverride(GTK_STATE_ACTIVE);
content::RecordAction(UserMetricsAction("ShowAppMenu"));
wrench_menu_->PopupAsFromKeyEvent(wrench_menu_button_->widget());
}
// CommandUpdater::CommandObserver ---------------------------------------------
void BrowserToolbarGtk::EnabledStateChangedForCommand(int id, bool enabled) {
GtkWidget* widget = NULL;
switch (id) {
case IDC_BACK:
widget = back_->widget();
break;
case IDC_FORWARD:
widget = forward_->widget();
break;
case IDC_HOME:
if (home_.get())
widget = home_->widget();
break;
}
if (widget) {
if (!enabled && gtk_widget_get_state(widget) == GTK_STATE_PRELIGHT) {
// If we're disabling a widget, GTK will helpfully restore it to its
// previous state when we re-enable it, even if that previous state
// is the prelight. This looks bad. See the bug for a simple repro.
// http://code.google.com/p/chromium/issues/detail?id=13729
gtk_widget_set_state(widget, GTK_STATE_NORMAL);
}
gtk_widget_set_sensitive(widget, enabled);
}
}
// MenuGtk::Delegate -----------------------------------------------------------
void BrowserToolbarGtk::StoppedShowing() {
// Without these calls, the hover state can get stuck since the leave-notify
// event is not sent when clicking a button brings up the menu.
gtk_chrome_button_set_hover_state(
GTK_CHROME_BUTTON(wrench_menu_button_->widget()), 0.0);
wrench_menu_button_->UnsetPaintOverride();
}
GtkIconSet* BrowserToolbarGtk::GetIconSetForId(int idr) {
return theme_service_->GetIconSetForId(idr);
}
// Always show images because we desire that some icons always show
// regardless of the system setting.
bool BrowserToolbarGtk::AlwaysShowIconForCmd(int command_id) const {
return command_id == IDC_UPGRADE_DIALOG ||
BookmarkSubMenuModel::IsBookmarkItemCommandId(command_id);
}
// ui::AcceleratorProvider
bool BrowserToolbarGtk::GetAcceleratorForCommandId(
int id,
ui::Accelerator* accelerator) {
const ui::AcceleratorGtk* accelerator_gtk =
AcceleratorsGtk::GetInstance()->GetPrimaryAcceleratorForCommand(id);
if (accelerator_gtk)
*accelerator = *accelerator_gtk;
return !!accelerator_gtk;
}
// content::NotificationObserver -----------------------------------------------
void BrowserToolbarGtk::Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) {
if (type == chrome::NOTIFICATION_PREF_CHANGED) {
NotifyPrefChanged(content::Details<std::string>(details).ptr());
} else if (type == chrome::NOTIFICATION_BROWSER_THEME_CHANGED) {
// Update the spacing around the menu buttons
bool use_gtk = theme_service_->UsingNativeTheme();
int border = use_gtk ? 0 : 2;
gtk_container_set_border_width(
GTK_CONTAINER(wrench_menu_button_->widget()), border);
// Force the height of the toolbar so we get the right amount of padding
// above and below the location bar. We always force the size of the widgets
// to either side of the location box, but we only force the location box
// size in chrome-theme mode because that's the only time we try to control
// the font size.
int toolbar_height = ShouldOnlyShowLocation() ?
kToolbarHeightLocationBarOnly : kToolbarHeight;
gtk_container_foreach(GTK_CONTAINER(toolbar_), SetWidgetHeightRequest,
GINT_TO_POINTER(toolbar_height));
gtk_widget_set_size_request(location_hbox_, -1,
use_gtk ? -1 : toolbar_height);
// When using the GTK+ theme, we need to have the event box be visible so
// buttons don't get a halo color from the background. When using Chromium
// themes, we want to let the background show through the toolbar.
gtk_event_box_set_visible_window(GTK_EVENT_BOX(event_box_), use_gtk);
if (use_gtk) {
// We need to manually update the icon if we are in GTK mode. (Note that
// we set the initial value in Init()).
gtk_image_set_from_pixbuf(
GTK_IMAGE(wrench_menu_image_),
theme_service_->GetRTLEnabledPixbufNamed(IDR_TOOLS));
}
UpdateRoundedness();
} else if (type == chrome::NOTIFICATION_UPGRADE_RECOMMENDED) {
// Redraw the wrench menu to update the badge.
gtk_widget_queue_draw(wrench_menu_button_->widget());
} else if (type == chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED) {
is_wrench_menu_model_valid_ = false;
gtk_widget_queue_draw(wrench_menu_button_->widget());
} else if (type == content::NOTIFICATION_ZOOM_LEVEL_CHANGED) {
// If our zoom level changed, we need to tell the menu to update its state,
// since the menu could still be open.
wrench_menu_->UpdateMenu();
} else {
NOTREACHED();
}
}
// BrowserToolbarGtk, public ---------------------------------------------------
void BrowserToolbarGtk::UpdateWebContents(WebContents* contents,
bool should_restore_state) {
location_bar_->Update(should_restore_state ? contents : NULL);
if (actions_toolbar_.get())
actions_toolbar_->Update();
}
// BrowserToolbarGtk, private --------------------------------------------------
void BrowserToolbarGtk::SetUpDragForHomeButton(bool enable) {
if (enable) {
gtk_drag_dest_set(home_->widget(), GTK_DEST_DEFAULT_ALL,
NULL, 0, GDK_ACTION_COPY);
static const int targets[] = { ui::TEXT_PLAIN, ui::TEXT_URI_LIST, -1 };
ui::SetDestTargetList(home_->widget(), targets);
drop_handler_.reset(new ui::GtkSignalRegistrar());
drop_handler_->Connect(home_->widget(), "drag-data-received",
G_CALLBACK(OnDragDataReceivedThunk), this);
} else {
gtk_drag_dest_unset(home_->widget());
drop_handler_.reset(NULL);
}
}
bool BrowserToolbarGtk::UpdateRoundedness() {
// We still round the corners if we are in chrome theme mode, but we do it by
// drawing theme resources rather than changing the physical shape of the
// widget.
bool should_be_rounded = theme_service_->UsingNativeTheme() &&
window_->ShouldDrawContentDropShadow();
if (should_be_rounded == gtk_util::IsActingAsRoundedWindow(alignment_))
return false;
if (should_be_rounded) {
gtk_util::ActAsRoundedWindow(alignment_, GdkColor(), kToolbarCornerSize,
gtk_util::ROUNDED_TOP,
gtk_util::BORDER_NONE);
} else {
gtk_util::StopActingAsRoundedWindow(alignment_);
}
return true;
}
gboolean BrowserToolbarGtk::OnAlignmentExpose(GtkWidget* widget,
GdkEventExpose* e) {
TRACE_EVENT0("ui::gtk", "BrowserToolbarGtk::OnAlignmentExpose");
// We may need to update the roundedness of the toolbar's top corners. In
// this case, don't draw; we'll be called again soon enough.
if (UpdateRoundedness())
return TRUE;
// We don't need to render the toolbar image in GTK mode.
if (theme_service_->UsingNativeTheme())
return FALSE;
cairo_t* cr = gdk_cairo_create(GDK_DRAWABLE(widget->window));
gdk_cairo_rectangle(cr, &e->area);
cairo_clip(cr);
gfx::Point tabstrip_origin =
window_->tabstrip()->GetTabStripOriginForWidget(widget);
// Fill the entire region with the toolbar color.
GdkColor color = theme_service_->GetGdkColor(
ThemeService::COLOR_TOOLBAR);
gdk_cairo_set_source_color(cr, &color);
cairo_fill(cr);
// The horizontal size of the top left and right corner images.
const int kCornerWidth = 4;
// The thickness of the shadow outside the toolbar's bounds; the offset
// between the edge of the toolbar and where we anchor the corner images.
const int kShadowThickness = 2;
GtkAllocation allocation;
gtk_widget_get_allocation(widget, &allocation);
gfx::Rect area(e->area);
gfx::Rect right(allocation.x + allocation.width - kCornerWidth,
allocation.y - kShadowThickness,
kCornerWidth,
allocation.height + kShadowThickness);
gfx::Rect left(allocation.x - kShadowThickness,
allocation.y - kShadowThickness,
kCornerWidth,
allocation.height + kShadowThickness);
if (window_->ShouldDrawContentDropShadow()) {
// Leave room to draw rounded corners.
area = area.Subtract(right).Subtract(left);
}
const gfx::Image* background =
theme_service_->GetImageNamed(IDR_THEME_TOOLBAR);
background->ToCairo()->SetSource(
cr, widget, tabstrip_origin.x(), tabstrip_origin.y());
cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_REPEAT);
cairo_rectangle(cr, area.x(), area.y(), area.width(), area.height());
cairo_fill(cr);
if (!window_->ShouldDrawContentDropShadow()) {
// The rest of this function is for rounded corners. Our work is done here.
cairo_destroy(cr);
return FALSE;
}
bool draw_left_corner = left.Intersects(gfx::Rect(e->area));
bool draw_right_corner = right.Intersects(gfx::Rect(e->area));
if (draw_left_corner || draw_right_corner) {
// Create a mask which is composed of the left and/or right corners.
cairo_surface_t* target = cairo_surface_create_similar(
cairo_get_target(cr),
CAIRO_CONTENT_COLOR_ALPHA,
allocation.x + allocation.width,
allocation.y + allocation.height);
cairo_t* copy_cr = cairo_create(target);
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
cairo_set_operator(copy_cr, CAIRO_OPERATOR_SOURCE);
if (draw_left_corner) {
rb.GetNativeImageNamed(IDR_CONTENT_TOP_LEFT_CORNER_MASK).ToCairo()->
SetSource(copy_cr, widget, left.x(), left.y());
cairo_paint(copy_cr);
}
if (draw_right_corner) {
rb.GetNativeImageNamed(IDR_CONTENT_TOP_RIGHT_CORNER_MASK).ToCairo()->
SetSource(copy_cr, widget, right.x(), right.y());
// We fill a path rather than just painting because we don't want to
// overwrite the left corner.
cairo_rectangle(copy_cr, right.x(), right.y(),
right.width(), right.height());
cairo_fill(copy_cr);
}
// Draw the background. CAIRO_OPERATOR_IN uses the existing pixel data as
// an alpha mask.
background->ToCairo()->SetSource(copy_cr, widget,
tabstrip_origin.x(), tabstrip_origin.y());
cairo_set_operator(copy_cr, CAIRO_OPERATOR_IN);
cairo_pattern_set_extend(cairo_get_source(copy_cr), CAIRO_EXTEND_REPEAT);
cairo_paint(copy_cr);
cairo_destroy(copy_cr);
// Copy the temporary surface to the screen.
cairo_set_source_surface(cr, target, 0, 0);
cairo_paint(cr);
cairo_surface_destroy(target);
}
cairo_destroy(cr);
return FALSE; // Allow subwidgets to paint.
}
gboolean BrowserToolbarGtk::OnLocationHboxExpose(GtkWidget* location_hbox,
GdkEventExpose* e) {
TRACE_EVENT0("ui::gtk", "BrowserToolbarGtk::OnLocationHboxExpose");
if (theme_service_->UsingNativeTheme()) {
GtkAllocation allocation;
gtk_widget_get_allocation(location_hbox, &allocation);
gtk_util::DrawTextEntryBackground(offscreen_entry_.get(),
location_hbox, &e->area,
&allocation);
}
return FALSE;
}
void BrowserToolbarGtk::OnButtonClick(GtkWidget* button) {
if ((button == back_->widget()) || (button == forward_->widget())) {
if (gtk_util::DispositionForCurrentButtonPressEvent() == CURRENT_TAB)
location_bar_->Revert();
return;
}
DCHECK(home_.get() && button == home_->widget()) <<
"Unexpected button click callback";
browser_->Home(gtk_util::DispositionForCurrentButtonPressEvent());
}
gboolean BrowserToolbarGtk::OnMenuButtonPressEvent(GtkWidget* button,
GdkEventButton* event) {
if (event->button != 1)
return FALSE;
if (!is_wrench_menu_model_valid_)
RebuildWrenchMenu();
wrench_menu_button_->SetPaintOverride(GTK_STATE_ACTIVE);
wrench_menu_->PopupForWidget(button, event->button, event->time);
return TRUE;
}
void BrowserToolbarGtk::OnDragDataReceived(GtkWidget* widget,
GdkDragContext* drag_context, gint x, gint y,
GtkSelectionData* data, guint info, guint time) {
if (info != ui::TEXT_PLAIN) {
NOTIMPLEMENTED() << "Only support plain text drops for now, sorry!";
return;
}
GURL url(reinterpret_cast<char*>(data->data));
if (!url.is_valid())
return;
bool url_is_newtab = url.SchemeIs(chrome::kChromeUIScheme) &&
url.host() == chrome::kChromeUINewTabHost;
home_page_is_new_tab_page_.SetValue(url_is_newtab);
if (!url_is_newtab)
home_page_.SetValue(url.spec());
}
void BrowserToolbarGtk::NotifyPrefChanged(const std::string* pref) {
if (!pref || *pref == prefs::kShowHomeButton) {
bool visible = show_home_button_.GetValue() && !ShouldOnlyShowLocation();
gtk_widget_set_visible(home_->widget(), visible);
}
if (!pref ||
*pref == prefs::kHomePage ||
*pref == prefs::kHomePageIsNewTabPage)
SetUpDragForHomeButton(!home_page_.IsManaged() &&
!home_page_is_new_tab_page_.IsManaged());
}
bool BrowserToolbarGtk::ShouldOnlyShowLocation() const {
// If we're a popup window, only show the location bar (omnibox).
return !browser_->is_type_tabbed();
}
void BrowserToolbarGtk::RebuildWrenchMenu() {
wrench_menu_model_.reset(new WrenchMenuModel(this, browser_));
wrench_menu_.reset(new MenuGtk(this, wrench_menu_model_.get()));
is_wrench_menu_model_valid_ = true;
}
gboolean BrowserToolbarGtk::OnWrenchMenuButtonExpose(GtkWidget* sender,
GdkEventExpose* expose) {
TRACE_EVENT0("ui::gtk", "BrowserToolbarGtk::OnWrenchMenuButtonExpose");
int resource_id = 0;
if (UpgradeDetector::GetInstance()->notify_upgrade()) {
resource_id = UpgradeDetector::GetInstance()->GetIconResourceID(
UpgradeDetector::UPGRADE_ICON_TYPE_BADGE);
} else {
resource_id = GlobalErrorServiceFactory::GetForProfile(
browser_->profile())->GetFirstBadgeResourceID();
}
if (!resource_id)
return FALSE;
GtkAllocation allocation;
gtk_widget_get_allocation(sender, &allocation);
// Draw the chrome app menu icon onto the canvas.
const SkBitmap* badge = theme_service_->GetBitmapNamed(resource_id);
gfx::CanvasSkiaPaint canvas(expose, false);
int x_offset = base::i18n::IsRTL() ? 0 : allocation.width - badge->width();
int y_offset = 0;
canvas.DrawBitmapInt(*badge,
allocation.x + x_offset,
allocation.y + y_offset);
return FALSE;
}