swaybar: move ipc stuff to ipc.{h,c}

1 files changed, 259 insertions, 0 deletions

diff --git a/swaybar/ipc.c b/swaybar/ipc.c
new file mode 100644
index 00000000..cb0b81aa
--- /dev/null
+++ b/swaybar/ipc.c
@@ -0,0 +1,259 @@
+#include <string.h>
+#include <json-c/json.h>
+
+#include "ipc-client.h"
+#include "list.h"
+#include "log.h"
+#include "config.h"
+#include "ipc.h"
+
+static void ipc_parse_config(struct swaybar_config *config, const char *payload) {
+	json_object *bar_config = json_tokener_parse(payload);
+	json_object *tray_output, *mode, *hidden_state, *position, *status_command;
+	json_object *font, *bar_height, *workspace_buttons, *strip_workspace_numbers;
+	json_object *binding_mode_indicator, *verbose, *colors, *sep_symbol;
+	json_object_object_get_ex(bar_config, "tray_output", &tray_output);
+	json_object_object_get_ex(bar_config, "mode", &mode);
+	json_object_object_get_ex(bar_config, "hidden_state", &hidden_state);
+	json_object_object_get_ex(bar_config, "position", &position);
+	json_object_object_get_ex(bar_config, "status_command", &status_command);
+	json_object_object_get_ex(bar_config, "font", &font);
+	json_object_object_get_ex(bar_config, "bar_height", &bar_height);
+	json_object_object_get_ex(bar_config, "workspace_buttons", &workspace_buttons);
+	json_object_object_get_ex(bar_config, "strip_workspace_numbers", &strip_workspace_numbers);
+	json_object_object_get_ex(bar_config, "binding_mode_indicator", &binding_mode_indicator);
+	json_object_object_get_ex(bar_config, "verbose", &verbose);
+	json_object_object_get_ex(bar_config, "separator_symbol", &sep_symbol);
+	json_object_object_get_ex(bar_config, "colors", &colors);
+
+	if (status_command) {
+		free(config->status_command);
+		config->status_command = strdup(json_object_get_string(status_command));
+	}
+
+	if (position) {
+		config->position = parse_position(json_object_get_string(position));
+	}
+
+	if (font) {
+		free(config->font);
+		config->font = parse_font(json_object_get_string(font));
+	}
+
+	if (sep_symbol) {
+		free(config->sep_symbol);
+		config->sep_symbol = strdup(json_object_get_string(sep_symbol));
+	}
+
+	if (strip_workspace_numbers) {
+		config->strip_workspace_numbers = json_object_get_boolean(strip_workspace_numbers);
+	}
+
+	if (binding_mode_indicator) {
+		config->binding_mode_indicator = json_object_get_boolean(binding_mode_indicator);
+	}
+
+	if (workspace_buttons) {
+		config->workspace_buttons = json_object_get_boolean(workspace_buttons);
+	}
+
+	if (bar_height) {
+		config->height = json_object_get_int(bar_height);
+	}
+
+	if (colors) {
+		json_object *background, *statusline, *separator;
+		json_object *focused_workspace_border, *focused_workspace_bg, *focused_workspace_text;
+		json_object *inactive_workspace_border, *inactive_workspace_bg, *inactive_workspace_text;
+		json_object *active_workspace_border, *active_workspace_bg, *active_workspace_text;
+		json_object *urgent_workspace_border, *urgent_workspace_bg, *urgent_workspace_text;
+		json_object *binding_mode_border, *binding_mode_bg, *binding_mode_text;
+		json_object_object_get_ex(colors, "background", &background);
+		json_object_object_get_ex(colors, "statusline", &statusline);
+		json_object_object_get_ex(colors, "separator", &separator);
+		json_object_object_get_ex(colors, "focused_workspace_border", &focused_workspace_border);
+		json_object_object_get_ex(colors, "focused_workspace_bg", &focused_workspace_bg);
+		json_object_object_get_ex(colors, "focused_workspace_text", &focused_workspace_text);
+		json_object_object_get_ex(colors, "active_workspace_border", &active_workspace_border);
+		json_object_object_get_ex(colors, "active_workspace_bg", &active_workspace_bg);
+		json_object_object_get_ex(colors, "active_workspace_text", &active_workspace_text);
+		json_object_object_get_ex(colors, "inactive_workspace_border", &inactive_workspace_border);
+		json_object_object_get_ex(colors, "inactive_workspace_bg", &inactive_workspace_bg);
+		json_object_object_get_ex(colors, "inactive_workspace_text", &inactive_workspace_text);
+		json_object_object_get_ex(colors, "urgent_workspace_border", &urgent_workspace_border);
+		json_object_object_get_ex(colors, "urgent_workspace_bg", &urgent_workspace_bg);
+		json_object_object_get_ex(colors, "urgent_workspace_text", &urgent_workspace_text);
+		json_object_object_get_ex(colors, "binding_mode_border", &binding_mode_border);
+		json_object_object_get_ex(colors, "binding_mode_bg", &binding_mode_bg);
+		json_object_object_get_ex(colors, "binding_mode_text", &binding_mode_text);
+		if (background) {
+			config->colors.background = parse_color(json_object_get_string(background));
+		}
+
+		if (statusline) {
+			config->colors.statusline = parse_color(json_object_get_string(statusline));
+		}
+
+		if (separator) {
+			config->colors.separator = parse_color(json_object_get_string(separator));
+		}
+
+		if (focused_workspace_border) {
+			config->colors.focused_workspace.border = parse_color(json_object_get_string(focused_workspace_border));
+		}
+
+		if (focused_workspace_bg) {
+			config->colors.focused_workspace.background = parse_color(json_object_get_string(focused_workspace_bg));
+		}
+
+		if (focused_workspace_text) {
+			config->colors.focused_workspace.text = parse_color(json_object_get_string(focused_workspace_text));
+		}
+
+		if (active_workspace_border) {
+			config->colors.active_workspace.border = parse_color(json_object_get_string(active_workspace_border));
+		}
+
+		if (active_workspace_bg) {
+			config->colors.active_workspace.background = parse_color(json_object_get_string(active_workspace_bg));
+		}
+
+		if (active_workspace_text) {
+			config->colors.active_workspace.text = parse_color(json_object_get_string(active_workspace_text));
+		}
+
+		if (inactive_workspace_border) {
+			config->colors.inactive_workspace.border = parse_color(json_object_get_string(inactive_workspace_border));
+		}
+
+		if (inactive_workspace_bg) {
+			config->colors.inactive_workspace.background = parse_color(json_object_get_string(inactive_workspace_bg));
+		}
+
+		if (inactive_workspace_text) {
+			config->colors.inactive_workspace.text = parse_color(json_object_get_string(inactive_workspace_text));
+		}
+
+		if (binding_mode_border) {
+			config->colors.binding_mode.border = parse_color(json_object_get_string(binding_mode_border));
+		}
+
+		if (binding_mode_bg) {
+			config->colors.binding_mode.background = parse_color(json_object_get_string(binding_mode_bg));
+		}
+
+		if (binding_mode_text) {
+			config->colors.binding_mode.text = parse_color(json_object_get_string(binding_mode_text));
+		}
+	}
+
+	json_object_put(bar_config);
+}
+
+static void ipc_update_workspaces(struct swaybar_state *state) {
+	if (state->output->workspaces) {
+		list_foreach(state->output->workspaces, free_workspace);
+		list_free(state->output->workspaces);
+	}
+	state->output->workspaces = create_list();
+
+	uint32_t len = 0;
+	char *res = ipc_single_command(state->ipc_socketfd, IPC_GET_WORKSPACES, NULL, &len);
+	json_object *results = json_tokener_parse(res);
+	if (!results) {
+		free(res);
+		return;
+	}
+
+	int i;
+	int length = json_object_array_length(results);
+	json_object *ws_json;
+	json_object *num, *name, *visible, *focused, *out, *urgent;
+	for (i = 0; i < length; ++i) {
+		ws_json = json_object_array_get_idx(results, i);
+
+		json_object_object_get_ex(ws_json, "num", &num);
+		json_object_object_get_ex(ws_json, "name", &name);
+		json_object_object_get_ex(ws_json, "visible", &visible);
+		json_object_object_get_ex(ws_json, "focused", &focused);
+		json_object_object_get_ex(ws_json, "output", &out);
+		json_object_object_get_ex(ws_json, "urgent", &urgent);
+
+		if (strcmp(json_object_get_string(out), state->output->name) == 0) {
+			struct workspace *ws = malloc(sizeof(struct workspace));
+			ws->num = json_object_get_int(num);
+			ws->name = strdup(json_object_get_string(name));
+			ws->visible = json_object_get_boolean(visible);
+			ws->focused = json_object_get_boolean(focused);
+			ws->urgent = json_object_get_boolean(urgent);
+			list_add(state->output->workspaces, ws);
+		}
+	}
+
+	json_object_put(results);
+	free(res);
+}
+
+void ipc_bar_init(struct swaybar_state *state, int outputi, const char *bar_id) {
+	uint32_t len = 0;
+	char *res = ipc_single_command(state->ipc_socketfd, IPC_GET_OUTPUTS, NULL, &len);
+	json_object *outputs = json_tokener_parse(res);
+	json_object *info = json_object_array_get_idx(outputs, outputi);
+	json_object *name;
+	json_object_object_get_ex(info, "name", &name);
+	state->output->name = strdup(json_object_get_string(name));
+	free(res);
+	json_object_put(outputs);
+
+	len = strlen(bar_id);
+	res = ipc_single_command(state->ipc_socketfd, IPC_GET_BAR_CONFIG, bar_id, &len);
+
+	ipc_parse_config(state->config, res);
+	free(res);
+
+	const char *subscribe_json = "[ \"workspace\", \"mode\" ]";
+	len = strlen(subscribe_json);
+	res = ipc_single_command(state->ipc_event_socketfd, IPC_SUBSCRIBE, subscribe_json, &len);
+	free(res);
+
+	ipc_update_workspaces(state);
+}
+
+bool handle_ipc_event(struct swaybar_state *state) {
+	struct ipc_response *resp = ipc_recv_response(state->ipc_event_socketfd);
+	switch (resp->type) {
+	case IPC_EVENT_WORKSPACE:
+		ipc_update_workspaces(state);
+		break;
+	case IPC_EVENT_MODE: {
+		json_object *result = json_tokener_parse(resp->payload);
+		if (!result) {
+			free_ipc_response(resp);
+			sway_log(L_ERROR, "failed to parse payload as json");
+			return false;
+		}
+		json_object *json_change;
+		if (json_object_object_get_ex(result, "change", &json_change)) {
+			const char *change = json_object_get_string(json_change);
+
+			free(state->config->mode);
+			if (strcmp(change, "default") == 0) {
+				state->config->mode = NULL;
+			} else {
+				state->config->mode = strdup(change);
+			}
+		} else {
+			sway_log(L_ERROR, "failed to parse response");
+		}
+
+		json_object_put(result);
+		break;
+	}
+	default:
+		free_ipc_response(resp);
+		return false;
+	}
+
+	free_ipc_response(resp);
+	return true;
+}