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;
+}