This source file includes following definitions.
- weak_factory_
- StoppedShowing
- AlwaysShowIconForCmd
- ShowBackForwardMenu
- OnClick
- OnButtonPress
- OnMouseMove
#include "chrome/browser/ui/gtk/back_forward_button_gtk.h"
#include <gtk/gtk.h>
#include "base/bind.h"
#include "base/message_loop/message_loop.h"
#include "chrome/app/chrome_command_ids.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_commands.h"
#include "chrome/browser/ui/gtk/event_utils.h"
#include "chrome/browser/ui/gtk/gtk_theme_service.h"
#include "chrome/browser/ui/gtk/gtk_util.h"
#include "chrome/browser/ui/gtk/menu_gtk.h"
#include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
#include "grit/generated_resources.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util.h"
static const int kMenuTimerDelay = 500;
BackForwardButtonGtk::BackForwardButtonGtk(Browser* browser, bool is_forward)
: browser_(browser),
is_forward_(is_forward),
weak_factory_(this) {
int normal, pushed, hover, disabled, tooltip;
const char* stock;
if (is_forward) {
normal = IDR_FORWARD;
pushed = IDR_FORWARD_P;
hover = IDR_FORWARD_H;
disabled = IDR_FORWARD_D;
tooltip = IDS_TOOLTIP_FORWARD;
stock = GTK_STOCK_GO_FORWARD;
} else {
normal = IDR_BACK;
pushed = IDR_BACK_P;
hover = IDR_BACK_H;
disabled = IDR_BACK_D;
tooltip = IDS_TOOLTIP_BACK;
stock = GTK_STOCK_GO_BACK;
}
button_.reset(new CustomDrawButton(
GtkThemeService::GetFrom(browser_->profile()),
normal, pushed, hover, disabled, stock, GTK_ICON_SIZE_SMALL_TOOLBAR));
gtk_widget_set_tooltip_text(widget(),
l10n_util::GetStringUTF8(tooltip).c_str());
menu_model_.reset(new BackForwardMenuModel(browser, is_forward ?
BackForwardMenuModel::FORWARD_MENU :
BackForwardMenuModel::BACKWARD_MENU));
g_signal_connect(widget(), "clicked",
G_CALLBACK(OnClickThunk), this);
g_signal_connect(widget(), "button-press-event",
G_CALLBACK(OnButtonPressThunk), this);
gtk_widget_add_events(widget(), GDK_POINTER_MOTION_MASK);
g_signal_connect(widget(), "motion-notify-event",
G_CALLBACK(OnMouseMoveThunk), this);
g_object_set_data(G_OBJECT(widget()), "left-align-popup",
reinterpret_cast<void*>(true));
gtk_util::SetButtonTriggersNavigation(widget());
}
BackForwardButtonGtk::~BackForwardButtonGtk() {
}
void BackForwardButtonGtk::StoppedShowing() {
button_->UnsetPaintOverride();
}
bool BackForwardButtonGtk::AlwaysShowIconForCmd(int command_id) const {
return true;
}
void BackForwardButtonGtk::ShowBackForwardMenu(int button, guint32 event_time) {
menu_.reset(new MenuGtk(this, menu_model_.get()));
button_->SetPaintOverride(GTK_STATE_ACTIVE);
menu_->PopupForWidget(widget(), button, event_time);
}
void BackForwardButtonGtk::OnClick(GtkWidget* widget) {
weak_factory_.InvalidateWeakPtrs();
chrome::ExecuteCommandWithDisposition(
browser_,
is_forward_ ? IDC_FORWARD : IDC_BACK,
event_utils::DispositionForCurrentButtonPressEvent());
}
gboolean BackForwardButtonGtk::OnButtonPress(GtkWidget* widget,
GdkEventButton* event) {
if (event->button == 3)
ShowBackForwardMenu(event->button, event->time);
if (event->button != 1)
return FALSE;
y_position_of_last_press_ = static_cast<int>(event->y);
base::MessageLoop::current()->PostDelayedTask(
FROM_HERE,
base::Bind(&BackForwardButtonGtk::ShowBackForwardMenu,
weak_factory_.GetWeakPtr(),
event->button,
event->time),
base::TimeDelta::FromMilliseconds(kMenuTimerDelay));
return FALSE;
}
gboolean BackForwardButtonGtk::OnMouseMove(GtkWidget* widget,
GdkEventMotion* event) {
if (!weak_factory_.HasWeakPtrs())
return FALSE;
GtkSettings* settings = gtk_widget_get_settings(widget);
int drag_min_distance;
g_object_get(settings, "gtk-dnd-drag-threshold", &drag_min_distance, NULL);
if (event->y - y_position_of_last_press_ < drag_min_distance)
return FALSE;
weak_factory_.InvalidateWeakPtrs();
ShowBackForwardMenu( 1, event->time);
return FALSE;
}