X-Git-Url: https://git.armaanb.net/?a=blobdiff_plain;f=browser.c;h=f8a7bf7f0ad856bb9895653b9f32efcf336975f5;hb=d60f720e89d44eca1d3be5ff0ea03465e3a9d4dc;hp=68d190b54305a29e2650df3109619435a6c7bf59;hpb=64fa4dae2ba8a3f935d645ca01c3da55d0caf9c2;p=chorizo.git diff --git a/browser.c b/browser.c index 68d190b..f8a7bf7 100644 --- a/browser.c +++ b/browser.c @@ -11,10 +11,11 @@ #include #include #include +#include +static gboolean button_tablabel(GtkWidget *, GdkEvent *, gpointer); static void client_destroy(GtkWidget *, gpointer); -static gboolean client_destroy_request(WebKitWebView *, gpointer); static WebKitWebView *client_new(const gchar *, WebKitWebView *, gboolean); static WebKitWebView *client_new_request(WebKitWebView *, WebKitNavigationAction *, gpointer); @@ -34,20 +35,25 @@ static void downloadmanager_setup(void); static gchar *ensure_uri_scheme(const gchar *); static void external_handler_run(GSimpleAction *, GVariant *, gpointer); static void grab_environment_configuration(void); +static void grab_feeds_finished(GObject *, GAsyncResult *, gpointer); static void hover_web_view(WebKitWebView *, WebKitHitTestResult *, guint, gpointer); +static void icon_location(GtkEntry *, GtkEntryIconPosition, GdkEvent *, gpointer); static gboolean key_common(GtkWidget *, GdkEvent *, gpointer); static gboolean key_downloadmanager(GtkWidget *, GdkEvent *, gpointer); static gboolean key_location(GtkWidget *, GdkEvent *, gpointer); static gboolean key_web_view(GtkWidget *, GdkEvent *, gpointer); static void keywords_load(void); static gboolean keywords_try_search(WebKitWebView *, const gchar *); +static void mainwindow_setup(void); +static void mainwindow_title(gint); +static void mainwindow_title_before(GtkNotebook *, GtkWidget *, guint, gpointer); static gboolean menu_web_view(WebKitWebView *, WebKitContextMenu *, GdkEvent *, WebKitHitTestResult *, gpointer); static gboolean quit_if_nothing_active(void); static gboolean remote_msg(GIOChannel *, GIOCondition, gpointer); +static void run_user_scripts(WebKitWebView *); static void search(gpointer, gint); static void show_web_view(WebKitWebView *, gpointer); -static Window tabbed_launch(void); static void trust_user_certs(WebKitWebContext *); @@ -55,12 +61,19 @@ struct Client { gchar *external_handler_uri; gchar *hover_uri; + gchar *feed_html; GtkWidget *location; + GtkWidget *tablabel; GtkWidget *vbox; GtkWidget *web_view; - GtkWidget *win; }; +struct MainWindow +{ + GtkWidget *win; + GtkWidget *notebook; +} mw; + struct DownloadManager { GtkWidget *scroll; @@ -75,9 +88,7 @@ static gboolean cooperative_alone = TRUE; static gboolean cooperative_instances = TRUE; static int cooperative_pipe_fp = 0; static gchar *download_dir = "/var/tmp"; -static gboolean enable_webgl = FALSE; static gboolean enable_console_to_stdout = FALSE; -static Window embed = 0; static gchar *fifo_suffix = "main"; static gdouble global_zoom = 1.0; static gchar *history_file = NULL; @@ -85,40 +96,52 @@ static gchar *home_uri = "about:blank"; static gboolean initial_wc_setup_done = FALSE; static GHashTable *keywords = NULL; static gchar *search_text = NULL; -static gboolean tabbed_automagic = TRUE; static gchar *user_agent = NULL; +gboolean +button_tablabel(GtkWidget *widget, GdkEvent *event, gpointer data) +{ + if (event->type == GDK_BUTTON_RELEASE) + { + switch (((GdkEventButton *)event)->button) + { + case 2: + client_destroy(NULL, data); + return TRUE; + } + } + return FALSE; +} + void client_destroy(GtkWidget *widget, gpointer data) { struct Client *c = (struct Client *)data; + gint idx; g_signal_handlers_disconnect_by_func(G_OBJECT(c->web_view), changed_load_progress, c); + idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox); + if (idx == -1) + fprintf(stderr, __NAME__": Tab index was -1, bamboozled\n"); + else + gtk_notebook_remove_page(GTK_NOTEBOOK(mw.notebook), idx); + free(c); clients--; quit_if_nothing_active(); } -gboolean -client_destroy_request(WebKitWebView *web_view, gpointer data) -{ - struct Client *c = (struct Client *)data; - - gtk_widget_destroy(c->win); - - return TRUE; -} - WebKitWebView * client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show) { struct Client *c; WebKitWebContext *wc; gchar *f; + GtkWidget *evbox; if (uri != NULL && cooperative_instances && !cooperative_alone) { @@ -136,26 +159,6 @@ client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show) exit(EXIT_FAILURE); } - if (embed != 0) - { - c->win = gtk_plug_new(embed); - if (!gtk_plug_get_embedded(GTK_PLUG(c->win))) - { - fprintf(stderr, __NAME__": Can't plug-in to XID %ld.\n", embed); - gtk_widget_destroy(c->win); - c->win = NULL; - embed = 0; - } - } - - if (c->win == NULL) - c->win = gtk_window_new(GTK_WINDOW_TOPLEVEL); - - gtk_window_set_default_size(GTK_WINDOW(c->win), 800, 600); - - g_signal_connect(G_OBJECT(c->win), "destroy", G_CALLBACK(client_destroy), c); - gtk_window_set_title(GTK_WINDOW(c->win), __NAME__); - if (related_wv == NULL) c->web_view = webkit_web_view_new(); else @@ -174,7 +177,7 @@ client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show) g_signal_connect(G_OBJECT(c->web_view), "context-menu", G_CALLBACK(menu_web_view), c); g_signal_connect(G_OBJECT(c->web_view), "close", - G_CALLBACK(client_destroy_request), c); + G_CALLBACK(client_destroy), c); g_signal_connect(G_OBJECT(c->web_view), "decide-policy", G_CALLBACK(decide_policy), NULL); g_signal_connect(G_OBJECT(c->web_view), "key-press-event", @@ -208,18 +211,42 @@ client_new(const gchar *uri, WebKitWebView *related_wv, gboolean show) if (enable_console_to_stdout) webkit_settings_set_enable_write_console_messages_to_stdout(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE); - if (enable_webgl) - webkit_settings_set_enable_webgl(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE); + webkit_settings_set_enable_developer_extras(webkit_web_view_get_settings(WEBKIT_WEB_VIEW(c->web_view)), TRUE); c->location = gtk_entry_new(); g_signal_connect(G_OBJECT(c->location), "key-press-event", G_CALLBACK(key_location), c); + g_signal_connect(G_OBJECT(c->location), "icon-release", + G_CALLBACK(icon_location), c); + /* XXX This is a workaround. Setting this to NULL (which is done in + * grab_feeds_finished() if no feed has been detected) adds a little + * padding left of the text. Not sure why. The point of this call + * right here is to have that padding right from the start. This + * avoids a graphical artifact. */ + gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), + GTK_ENTRY_ICON_PRIMARY, + NULL); c->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0); gtk_box_pack_start(GTK_BOX(c->vbox), c->location, FALSE, FALSE, 0); gtk_box_pack_start(GTK_BOX(c->vbox), c->web_view, TRUE, TRUE, 0); - gtk_container_add(GTK_CONTAINER(c->win), c->vbox); + c->tablabel = gtk_label_new(__NAME__); + gtk_label_set_ellipsize(GTK_LABEL(c->tablabel), PANGO_ELLIPSIZE_END); + gtk_label_set_width_chars(GTK_LABEL(c->tablabel), 20); + + evbox = gtk_event_box_new(); + gtk_container_add(GTK_CONTAINER(evbox), c->tablabel); + g_signal_connect(G_OBJECT(evbox), "button-release-event", + G_CALLBACK(button_tablabel), c); + + /* This only shows the event box and the label inside, nothing else. + * Needed because the evbox/label is "internal" to the notebook and + * not part of the normal "widget tree" (IIUC). */ + gtk_widget_show_all(evbox); + + gtk_notebook_append_page(GTK_NOTEBOOK(mw.notebook), c->vbox, evbox); + gtk_notebook_set_tab_reorderable(GTK_NOTEBOOK(mw.notebook), c->vbox, TRUE); if (show) show_web_view(NULL, c); @@ -324,10 +351,43 @@ changed_load_progress(GObject *obj, GParamSpec *pspec, gpointer data) { struct Client *c = (struct Client *)data; gdouble p; + gchar *grab_feeds = + "a = document.querySelectorAll('" + " html > head > link[rel=\"alternate\"][href][type=\"application/atom+xml\"]," + " html > head > link[rel=\"alternate\"][href][type=\"application/rss+xml\"]" + "');" + "if (a.length == 0)" + " null;" + "else" + "{" + " out = '';" + " for (i = 0; i < a.length; i++)" + " {" + " url = encodeURIComponent(a[i].href);" + " if ('title' in a[i] && a[i].title != '')" + " title = encodeURIComponent(a[i].title);" + " else" + " title = url;" + " out += '
  • ' + title + '
    • ';" + " }" + " out;" + "}"; p = webkit_web_view_get_estimated_load_progress(WEBKIT_WEB_VIEW(c->web_view)); if (p == 1) + { p = 0; + + /* The page has loaded fully. We now run the short JavaScript + * snippet above that operates on the DOM. It tries to grab all + * occurences of , i.e. RSS/Atom feed + * references. */ + webkit_web_view_run_javascript(WEBKIT_WEB_VIEW(c->web_view), + grab_feeds, NULL, + grab_feeds_finished, c); + + run_user_scripts(WEBKIT_WEB_VIEW(c->web_view)); + } gtk_entry_set_progress_fraction(GTK_ENTRY(c->location), p); } @@ -346,7 +406,8 @@ changed_title(GObject *obj, GParamSpec *pspec, gpointer data) t = t == NULL ? u : t; t = t[0] == 0 ? u : t; - gtk_window_set_title(GTK_WINDOW(c->win), t); + gtk_label_set_text(GTK_LABEL(c->tablabel), t); + mainwindow_title(-1); } void @@ -545,7 +606,8 @@ ensure_uri_scheme(const gchar *t) if (!g_str_has_prefix(f, "http:") && !g_str_has_prefix(f, "https:") && !g_str_has_prefix(f, "file:") && - !g_str_has_prefix(f, "about:")) + !g_str_has_prefix(f, "about:") && + !g_str_has_prefix(f, "data:")) { g_free(f); fabs = realpath(t, NULL); @@ -602,10 +664,6 @@ grab_environment_configuration(void) if (e != NULL) enable_console_to_stdout = TRUE; - e = g_getenv(__NAME_UPPERCASE__"_ENABLE_EXPERIMENTAL_WEBGL"); - if (e != NULL) - enable_webgl = TRUE; - e = g_getenv(__NAME_UPPERCASE__"_FIFO_SUFFIX"); if (e != NULL) fifo_suffix = g_strdup(e); @@ -627,6 +685,63 @@ grab_environment_configuration(void) global_zoom = atof(e); } +void +grab_feeds_finished(GObject *object, GAsyncResult *result, gpointer data) +{ + struct Client *c = (struct Client *)data; + WebKitJavascriptResult *js_result; + JSCValue *value; + JSCException *exception; + GError *err = NULL; + gchar *str_value; + + g_free(c->feed_html); + c->feed_html = NULL; + + /* This was taken almost verbatim from the example in WebKit's + * documentation: + * + * https://webkitgtk.org/reference/webkit2gtk/stable/WebKitWebView.html#webkit-web-view-run-javascript-finish */ + + js_result = webkit_web_view_run_javascript_finish(WEBKIT_WEB_VIEW(object), + result, &err); + if (!js_result) + { + fprintf(stderr, __NAME__": Error running javascript: %s\n", err->message); + g_error_free(err); + return; + } + + value = webkit_javascript_result_get_js_value(js_result); + if (jsc_value_is_string(value)) + { + str_value = jsc_value_to_string(value); + exception = jsc_context_get_exception(jsc_value_get_context(value)); + if (exception != NULL) + { + fprintf(stderr, __NAME__": Error running javascript: %s\n", + jsc_exception_get_message(exception)); + } + else + c->feed_html = str_value; + + gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), + GTK_ENTRY_ICON_PRIMARY, + "application-rss+xml-symbolic"); + gtk_entry_set_icon_activatable(GTK_ENTRY(c->location), + GTK_ENTRY_ICON_PRIMARY, + TRUE); + } + else + { + gtk_entry_set_icon_from_icon_name(GTK_ENTRY(c->location), + GTK_ENTRY_ICON_PRIMARY, + NULL); + } + + webkit_javascript_result_unref(js_result); +} + void hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers, gpointer data) @@ -656,6 +771,49 @@ hover_web_view(WebKitWebView *web_view, WebKitHitTestResult *ht, guint modifiers } } +void +icon_location(GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event, + gpointer data) +{ + struct Client *c = (struct Client *)data; + gchar *d; + gchar *data_template = + "data:text/html," + "" + "" + " " + " " + " Feeds" + " " + " " + "

    Feeds found on this page:

    " + "
      " + " %s" + "
    " + " " + ""; + + if (c->feed_html != NULL) + { + /* What we're actually trying to do is show a simple HTML page + * that lists all the feeds on the current page. The function + * webkit_web_view_load_html() looks like the proper way to do + * that. Sad thing is, it doesn't create a history entry, but + * instead simply replaces the content of the current page. This + * is not what we want. + * + * RFC 2397 [0] defines the data URI scheme [1]. We abuse this + * mechanism to show my custom HTML snippet *and* create a + * history entry. + * + * [0]: https://tools.ietf.org/html/rfc2397 + * [1]: https://en.wikipedia.org/wiki/Data_URI_scheme */ + d = g_strdup_printf(data_template, c->feed_html); + webkit_web_view_load_uri(WEBKIT_WEB_VIEW(c->web_view), d); + g_free(d); + } +} + gboolean key_common(GtkWidget *widget, GdkEvent *event, gpointer data) { @@ -670,7 +828,7 @@ key_common(GtkWidget *widget, GdkEvent *event, gpointer data) switch (((GdkEventKey *)event)->keyval) { case GDK_KEY_q: /* close window (left hand) */ - gtk_widget_destroy(c->win); + client_destroy(NULL, c); return TRUE; case GDK_KEY_w: /* home (left hand) */ f = ensure_uri_scheme(home_uri); @@ -714,6 +872,12 @@ key_common(GtkWidget *widget, GdkEvent *event, gpointer data) webkit_web_view_get_uri(WEBKIT_WEB_VIEW(c->web_view))); external_handler_run(NULL, NULL, c); return TRUE; + case GDK_KEY_a: /* go one tab to the left (left hand) */ + gtk_notebook_prev_page(GTK_NOTEBOOK(mw.notebook)); + return TRUE; + case GDK_KEY_s: /* go one tab to the right (left hand) */ + gtk_notebook_next_page(GTK_NOTEBOOK(mw.notebook)); + return TRUE; } } /* navigate backward (left hand) */ @@ -910,6 +1074,50 @@ keywords_try_search(WebKitWebView *web_view, const gchar *t) return ret; } +void +mainwindow_setup(void) +{ + mw.win = gtk_window_new(GTK_WINDOW_TOPLEVEL); + gtk_window_set_default_size(GTK_WINDOW(mw.win), 800, 600); + g_signal_connect(G_OBJECT(mw.win), "destroy", gtk_main_quit, NULL); + gtk_window_set_title(GTK_WINDOW(mw.win), __NAME__); + + mw.notebook = gtk_notebook_new(); + gtk_notebook_set_scrollable(GTK_NOTEBOOK(mw.notebook), TRUE); + gtk_container_add(GTK_CONTAINER(mw.win), mw.notebook); + g_signal_connect(G_OBJECT(mw.notebook), "switch-page", + G_CALLBACK(mainwindow_title_before), NULL); +} + +void +mainwindow_title_before(GtkNotebook *nb, GtkWidget *p, guint idx, gpointer data) +{ + mainwindow_title(idx); +} + +void +mainwindow_title(gint idx) +{ + GtkWidget *child, *evbox, *label; + const gchar *text; + + if (idx == -1) + { + idx = gtk_notebook_get_current_page(GTK_NOTEBOOK(mw.notebook)); + if (idx == -1) + return; + } + + child = gtk_notebook_get_nth_page(GTK_NOTEBOOK(mw.notebook), idx); + if (child == NULL) + return; + + evbox = gtk_notebook_get_tab_label(GTK_NOTEBOOK(mw.notebook), child); + label = gtk_bin_get_child(GTK_BIN(evbox)); + text = gtk_label_get_text(GTK_LABEL(label)); + gtk_window_set_title(GTK_WINDOW(mw.win), text); +} + gboolean menu_web_view(WebKitWebView *web_view, WebKitContextMenu *menu, GdkEvent *ev, WebKitHitTestResult *ht, gpointer data) @@ -981,6 +1189,36 @@ remote_msg(GIOChannel *channel, GIOCondition condition, gpointer data) return TRUE; } +void +run_user_scripts(WebKitWebView *web_view) +{ + gchar *base = NULL, *path = NULL, *contents = NULL; + const gchar *entry = NULL; + GDir *scriptdir = NULL; + + base = g_build_filename(g_get_user_config_dir(), __NAME__, "user-scripts", NULL); + scriptdir = g_dir_open(base, 0, NULL); + if (scriptdir != NULL) + { + while ((entry = g_dir_read_name(scriptdir)) != NULL) + { + path = g_build_filename(base, entry, NULL); + if (g_str_has_suffix(path, ".js")) + { + if (g_file_get_contents(path, &contents, NULL, NULL)) + { + webkit_web_view_run_javascript(web_view, contents, NULL, NULL, NULL); + g_free(contents); + } + } + g_free(path); + } + g_dir_close(scriptdir); + } + + g_free(base); +} + void search(gpointer data, gint direction) { @@ -1012,51 +1250,17 @@ void show_web_view(WebKitWebView *web_view, gpointer data) { struct Client *c = (struct Client *)data; + gint idx; (void)web_view; - gtk_widget_grab_focus(c->web_view); - gtk_widget_show_all(c->win); -} - -Window -tabbed_launch(void) -{ - gint tabbed_stdout; - GIOChannel *tabbed_stdout_channel; - GError *err = NULL; - gchar *output = NULL; - char *argv[] = { "tabbed", "-c", "-d", "-p", "s1", "-n", __NAME__, NULL }; - Window plug_into; + gtk_widget_show_all(mw.win); - if (!g_spawn_async_with_pipes(NULL, argv, NULL, G_SPAWN_SEARCH_PATH, NULL, - NULL, NULL, NULL, &tabbed_stdout, NULL, - &err)) - { - fprintf(stderr, __NAME__": Could not launch tabbed: %s\n", err->message); - g_error_free(err); - return 0; - } + idx = gtk_notebook_page_num(GTK_NOTEBOOK(mw.notebook), c->vbox); + if (idx != -1) + gtk_notebook_set_current_page(GTK_NOTEBOOK(mw.notebook), idx); - tabbed_stdout_channel = g_io_channel_unix_new(tabbed_stdout); - if (tabbed_stdout_channel == NULL) - { - fprintf(stderr, __NAME__": Could open tabbed's stdout\n"); - return 0; - } - g_io_channel_read_line(tabbed_stdout_channel, &output, NULL, NULL, NULL); - g_io_channel_shutdown(tabbed_stdout_channel, FALSE, NULL); - if (output == NULL) - { - fprintf(stderr, __NAME__": Could not read XID from tabbed\n"); - return 0; - } - g_strstrip(output); - plug_into = strtol(output, NULL, 16); - g_free(output); - if (plug_into == 0) - fprintf(stderr, __NAME__": The XID from tabbed is 0\n"); - return plug_into; + gtk_widget_grab_focus(c->web_view); } void @@ -1099,20 +1303,13 @@ main(int argc, char **argv) grab_environment_configuration(); - while ((opt = getopt(argc, argv, "e:CT")) != -1) + while ((opt = getopt(argc, argv, "C")) != -1) { switch (opt) { - case 'e': - embed = atol(optarg); - tabbed_automagic = FALSE; - break; case 'C': cooperative_instances = FALSE; break; - case 'T': - tabbed_automagic = FALSE; - break; default: fprintf(stderr, "Usage: "__NAME__" [OPTION]... [URI]...\n"); exit(EXIT_FAILURE); @@ -1124,8 +1321,7 @@ main(int argc, char **argv) cooperation_setup(); downloadmanager_setup(); - if (tabbed_automagic && !(cooperative_instances && !cooperative_alone)) - embed = tabbed_launch(); + mainwindow_setup(); if (!cooperative_instances || cooperative_alone) {