/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * Copyright © 2000-2003 Marco Pesenti Gritti * Copyright © 2003, 2004, 2005 Christian Persch * Copyright © 2004 Crispin Flowerday * Copyright © 2004 Adam Hooper * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * $Id$ */ #include "config.h" #include "ephy-tab.h" #include "ephy-type-builtins.h" #include "ephy-embed-type-builtins.h" #include "eel-gconf-extensions.h" #include "ephy-prefs.h" #include "ephy-embed-prefs.h" #include "ephy-debug.h" #include "ephy-string.h" #include "ephy-notebook.h" #include "ephy-file-helpers.h" #include "ephy-zoom.h" #include "ephy-favicon-cache.h" #include "ephy-embed-persist.h" #include "ephy-history.h" #include "ephy-embed-shell.h" #include "ephy-embed-single.h" #include "ephy-shell.h" #include "ephy-permission-manager.h" #include "ephy-link.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef ENABLE_PYTHON #include "ephy-python.h" #endif #define EPHY_TAB_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_TAB, EphyTabPrivate)) struct _EphyTabPrivate { int width; int height; guint idle_resize_handler; }; static void ephy_tab_class_init (EphyTabClass *klass); static void ephy_tab_init (EphyTab *tab); static void ephy_tab_dispose (GObject *object); static void ephy_tab_finalize (GObject *object); enum { PROP_0, }; static GObjectClass *parent_class; /* Class functions */ GType ephy_tab_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { const GTypeInfo our_info = { sizeof (EphyTabClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) ephy_tab_class_init, NULL, NULL, /* class_data */ sizeof (EphyTab), 0, /* n_preallocs */ (GInstanceInitFunc) ephy_tab_init }; const GInterfaceInfo link_info = { NULL, NULL, NULL }; type = g_type_register_static (GTK_TYPE_BIN, "EphyTab", &our_info, 0); g_type_add_interface_static (type, EPHY_TYPE_LINK, &link_info); } return type; } static void ephy_tab_size_request (GtkWidget *widget, GtkRequisition *requisition) { GtkWidget *child; GTK_WIDGET_CLASS (parent_class)->size_request (widget, requisition); child = GTK_BIN (widget)->child; if (child && GTK_WIDGET_VISIBLE (child)) { GtkRequisition child_requisition; gtk_widget_size_request (GTK_WIDGET (child), &child_requisition); } } static void ephy_tab_size_allocate (GtkWidget *widget, GtkAllocation *allocation) { GtkWidget *child; GtkAllocation invalid = { -1, -1, 1, 1 }; widget->allocation = *allocation; child = GTK_BIN (widget)->child; g_return_if_fail (child != NULL); /* only resize if we're mapped (bug #128191), * or if this is the initial size-allocate (bug #156854). */ if (GTK_WIDGET_MAPPED (child) || memcmp (&child->allocation, &invalid, sizeof (GtkAllocation)) == 0) { gtk_widget_size_allocate (child, allocation); } } static void ephy_tab_map (GtkWidget *widget) { GtkWidget *child; g_return_if_fail (GTK_WIDGET_REALIZED (widget)); child = GTK_BIN (widget)->child; g_return_if_fail (child != NULL); /* we do this since the window might have been resized while this * tab wasn't mapped (i.e. was a non-active tab during the resize). * See bug #156854. */ if (memcmp (&widget->allocation, &child->allocation, sizeof (GtkAllocation)) != 0) { gtk_widget_size_allocate (child, &widget->allocation); } GTK_WIDGET_CLASS (parent_class)->map (widget); } static void ephy_tab_grab_focus (GtkWidget *widget) { EphyTab *tab = EPHY_TAB (widget); gtk_widget_grab_focus (GTK_WIDGET (ephy_tab_get_embed (tab))); } static void ephy_tab_class_init (EphyTabClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS(class); parent_class = g_type_class_peek_parent (class); object_class->dispose = ephy_tab_dispose; object_class->finalize = ephy_tab_finalize; widget_class->size_allocate = ephy_tab_size_allocate; widget_class->size_request = ephy_tab_size_request; widget_class->map = ephy_tab_map; widget_class->grab_focus = ephy_tab_grab_focus; g_type_class_add_private (object_class, sizeof (EphyTabPrivate)); } static void ephy_tab_dispose (GObject *object) { EphyTab *tab = EPHY_TAB (object); EphyTabPrivate *priv = tab->priv; if (priv->idle_resize_handler != 0) { g_source_remove (priv->idle_resize_handler); priv->idle_resize_handler = 0; } G_OBJECT_CLASS (parent_class)->dispose (object); } static void ephy_tab_finalize (GObject *object) { EphyTab *tab = EPHY_TAB (object); G_OBJECT_CLASS (parent_class)->finalize (object); #ifdef ENABLE_PYTHON ephy_python_schedule_gc (); #endif LOG ("EphyTab finalized %p", tab); } static gboolean address_has_web_scheme (const char *address) { gboolean has_web_scheme; if (address == NULL) return FALSE; has_web_scheme = (g_str_has_prefix (address, "http:") || g_str_has_prefix (address, "https:") || g_str_has_prefix (address, "ftp:") || g_str_has_prefix (address, "file:") || g_str_has_prefix (address, "data:") || g_str_has_prefix (address, "about:") || g_str_has_prefix (address, "gopher:")); return has_web_scheme; } static gboolean let_me_resize_hack (EphyTab *tab) { EphyTabPrivate *priv = tab->priv; gtk_widget_set_size_request (GTK_WIDGET (tab), -1, -1); priv->idle_resize_handler = 0; return FALSE; } /* Public functions */ /** * ephy_tab_new: * * Equivalent to g_object_new(), but returns an #EphyTab so you don't have to * cast it. * * Returns: a new #EphyTab **/ EphyTab * ephy_tab_new (void) { return EPHY_TAB (g_object_new (EPHY_TYPE_TAB, NULL)); } /** * ephy_tab_get_embed: * @tab: an #EphyTab * * Returns @tab's #EphyEmbed. * * Return value: @tab's #EphyEmbed **/ EphyEmbed * ephy_tab_get_embed (EphyTab *tab) { g_return_val_if_fail (EPHY_IS_TAB (tab), NULL); return EPHY_EMBED (gtk_bin_get_child (GTK_BIN (tab))); } /** * ephy_tab_for_embed * @embed: an #EphyEmbed * * Returns the #EphyTab which holds @embed. * * Return value: the #EphyTab which holds @embed **/ EphyTab * ephy_tab_for_embed (EphyEmbed *embed) { GtkWidget *parent; g_return_val_if_fail (EPHY_IS_EMBED (embed), NULL); parent = GTK_WIDGET (embed)->parent; g_return_val_if_fail (parent != NULL, NULL); return EPHY_TAB (parent); } /** * ephy_tab_get_size: * @tab: an #EphyTab * @width: return location for width, or %NULL * @height: return location for height, or %NULL * * Obtains the size of @tab. This is not guaranteed to be the actual number of * pixels occupied by the #EphyTab. **/ void ephy_tab_get_size (EphyTab *tab, int *width, int *height) { g_return_if_fail (EPHY_IS_TAB (tab)); if (width != NULL) { *width = tab->priv->width; } if (height != NULL) { *height = tab->priv->height; } } /** * ephy_tab_set_size: * @tab: an #EphyTab * @width: * @height: * * Sets the size of @tab. This is not guaranteed to actually resize the tab. **/ void ephy_tab_set_size (EphyTab *tab, int width, int height) { EphyTabPrivate *priv = tab->priv; GtkWidget *widget = GTK_WIDGET (tab); GtkAllocation allocation; priv->width = width; priv->height = height; gtk_widget_set_size_request (widget, width, height); /* HACK: When the web site changes both width and height, * we will first get a width change, then a height change, * without actually resizing the window in between (since * that happens only on idle). * If we don't set the allocation, GtkMozEmbed doesn't tell * mozilla the new width, so the height change sets the width * back to the old value! */ allocation.x = widget->allocation.x; allocation.y = widget->allocation.y; allocation.width = width; allocation.height = height; gtk_widget_size_allocate (widget, &allocation); /* HACK: reset widget requisition after the container * has been resized. It appears to be the only way * to have the window sized according to embed * size correctly. */ if (priv->idle_resize_handler == 0) { priv->idle_resize_handler = g_idle_add ((GSourceFunc) let_me_resize_hack, tab); } } /* Private callbacks for embed signals */ static gboolean open_link_in_new (EphyTab *tab, const char *link_address, guint state) { EphyTab *dest; if (!address_has_web_scheme (link_address)) return FALSE; dest = ephy_link_open (EPHY_LINK (tab), link_address, tab, state & GDK_SHIFT_MASK ? EPHY_LINK_NEW_WINDOW : EPHY_LINK_NEW_TAB); if (dest) { ephy_embed_shistory_copy (ephy_tab_get_embed (tab), ephy_tab_get_embed (dest), TRUE, /* back history */ FALSE, /* forward history */ FALSE); /* current index */ return TRUE; } return FALSE; } static gboolean save_property_url (EphyEmbed *embed, EphyEmbedEvent *event, const char *property, const char *key) { const char *location; const GValue *value; EphyEmbedPersist *persist; value = ephy_embed_event_get_property (event, property); location = g_value_get_string (value); if (!address_has_web_scheme (location)) return FALSE; persist = EPHY_EMBED_PERSIST (ephy_embed_factory_new_object (EPHY_TYPE_EMBED_PERSIST)); ephy_embed_persist_set_embed (persist, embed); ephy_embed_persist_set_flags (persist, 0); ephy_embed_persist_set_persist_key (persist, key); ephy_embed_persist_set_source (persist, location); ephy_embed_persist_save (persist); g_object_unref (G_OBJECT(persist)); return TRUE; } static void clipboard_text_received_cb (GtkClipboard *clipboard, const char *text, gpointer *weak_ptr) { if (*weak_ptr != NULL && text != NULL) { EphyEmbed *embed = (EphyEmbed *) *weak_ptr; EphyTab *tab = ephy_tab_for_embed (embed); ephy_link_open (EPHY_LINK (tab), text, tab, 0); } if (*weak_ptr != NULL) { g_object_remove_weak_pointer (G_OBJECT (*weak_ptr), weak_ptr); } g_free (weak_ptr); } static gboolean ephy_tab_dom_mouse_click_cb (EphyEmbed *embed, EphyEmbedEvent *event, EphyTab *tab) { EphyEmbedEventContext context; guint button, modifier; gboolean handled = TRUE; gboolean with_control, with_shift, with_shift_control; gboolean is_left_click, is_middle_click; gboolean is_link, is_image, is_middle_clickable; gboolean middle_click_opens; gboolean is_input; g_return_val_if_fail (EPHY_IS_EMBED_EVENT(event), FALSE); button = ephy_embed_event_get_button (event); context = ephy_embed_event_get_context (event); modifier = ephy_embed_event_get_modifier (event); LOG ("ephy_tab_dom_mouse_click_cb: button %d, context %x, modifier %x", button, context, modifier); with_control = (modifier & GDK_CONTROL_MASK) == GDK_CONTROL_MASK; with_shift = (modifier & GDK_SHIFT_MASK) == GDK_SHIFT_MASK; with_shift_control = (modifier & (GDK_SHIFT_MASK | GDK_CONTROL_MASK)) == (GDK_SHIFT_MASK | GDK_CONTROL_MASK); is_left_click = (button == 1); is_middle_click = (button == 2); middle_click_opens = eel_gconf_get_boolean (CONF_INTERFACE_MIDDLE_CLICK_OPEN_URL) && !eel_gconf_get_boolean (CONF_LOCKDOWN_DISABLE_ARBITRARY_URL); is_link = (context & EPHY_EMBED_CONTEXT_LINK) != 0; is_image = (context & EPHY_EMBED_CONTEXT_IMAGE) != 0; is_middle_clickable = !((context & EPHY_EMBED_CONTEXT_LINK) || (context & EPHY_EMBED_CONTEXT_INPUT) || (context & EPHY_EMBED_CONTEXT_EMAIL_LINK)); is_input = (context & EPHY_EMBED_CONTEXT_INPUT) != 0; /* ctrl+click or middle click opens the link in new tab */ if (is_link && ((is_left_click && (with_control || with_shift_control)) || is_middle_click)) { const GValue *value; const char *link_address; value = ephy_embed_event_get_property (event, "link"); link_address = g_value_get_string (value); handled = open_link_in_new (tab, link_address, modifier); } /* shift+click saves the link target */ else if (is_link && is_left_click && with_shift) { handled = save_property_url (embed, event, "link", CONF_STATE_SAVE_DIR); } /* shift+click saves the non-link image * Note: pressing enter to submit a form synthesizes a mouse click event */ else if (is_image && is_left_click && with_shift && !is_input) { handled = save_property_url (embed, event, "image", CONF_STATE_SAVE_IMAGE_DIR); } /* middle click opens the selection url */ else if (is_middle_clickable && is_middle_click && middle_click_opens) { /* See bug #133633 for why we do it this way */ /* We need to make sure we know if the embed is destroyed between * requesting the clipboard contents, and receiving them. */ gpointer *weak_ptr; weak_ptr = g_new (gpointer, 1); *weak_ptr = embed; g_object_add_weak_pointer (G_OBJECT (embed), weak_ptr); gtk_clipboard_request_text (gtk_widget_get_clipboard (GTK_WIDGET (embed), GDK_SELECTION_PRIMARY), (GtkClipboardTextReceivedFunc) clipboard_text_received_cb, weak_ptr); } /* we didn't handle the event */ else { handled = FALSE; } return handled; } static void ephy_tab_init (EphyTab *tab) { EphyTabPrivate *priv; GObject *embed; LOG ("EphyTab initialising %p", tab); priv = tab->priv = EPHY_TAB_GET_PRIVATE (tab); tab->priv->width = -1; tab->priv->height = -1; embed = ephy_embed_factory_new_object (EPHY_TYPE_EMBED); g_assert (embed != NULL); gtk_container_add (GTK_CONTAINER (tab), GTK_WIDGET (embed)); gtk_widget_show (GTK_WIDGET (embed)); g_signal_connect_object (embed, "ge_dom_mouse_click", G_CALLBACK (ephy_tab_dom_mouse_click_cb), tab, 0); }