mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
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xdg-activation-v1: new protocol implementation
This implements the new xdg-activation-v1 protocol [1]. [1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/50
This commit is contained in:
Simon Ser
parent
b86a0c8d8f
commit
8ff435831f
61
include/wlr/types/wlr_xdg_activation_v1.h
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61
include/wlr/types/wlr_xdg_activation_v1.h
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@ -0,0 +1,61 @@
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/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_TYPES_WLR_XDG_ACTIVATION_V1
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#define WLR_TYPES_WLR_XDG_ACTIVATION_V1
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#include <wayland-server-core.h>
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struct wlr_xdg_activation_token_v1 {
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struct wlr_xdg_activation_v1 *activation;
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// The source surface that created the token.
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struct wlr_surface *surface; // can be NULL
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struct wlr_seat *seat; // can be NULL
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// The serial for the input event that created the token.
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uint32_t serial; // invalid if seat is NULL
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// The application ID to be activated. This is just a hint.
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char *app_id; // can be NULL
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struct wl_list link; // wlr_xdg_activation_v1.tokens
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// private state
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char *token;
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struct wl_resource *resource; // can be NULL
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struct wl_listener seat_destroy;
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struct wl_listener surface_destroy;
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};
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struct wlr_xdg_activation_v1 {
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struct wl_list tokens; // wlr_xdg_activation_token_v1.link
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struct {
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struct wl_signal destroy;
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struct wl_signal request_activate; // wlr_xdg_activation_v1_request_activate_event
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} events;
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// private state
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struct wl_global *global;
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struct wl_listener display_destroy;
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};
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struct wlr_xdg_activation_v1_request_activate_event {
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struct wlr_xdg_activation_v1 *activation;
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// The token used to request activation.
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struct wlr_xdg_activation_token_v1 *token;
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// The surface requesting for activation.
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struct wlr_surface *surface;
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};
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struct wlr_xdg_activation_v1 *wlr_xdg_activation_v1_create(
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struct wl_display *display);
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#endif
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@ -105,7 +105,6 @@ pixman = dependency('pixman-1')
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math = cc.find_library('m')
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rt = cc.find_library('rt')
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wlr_files = []
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wlr_deps = [
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wayland_server,
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@ -1,4 +1,4 @@
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wayland_protos = dependency('wayland-protocols', version: '>=1.17')
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wayland_protos = dependency('wayland-protocols', version: '>=1.21')
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wl_protocol_dir = wayland_protos.get_variable(pkgconfig: 'pkgdatadir')
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wayland_scanner_dep = dependency('wayland-scanner', native: true)
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@ -23,6 +23,7 @@ protocols = {
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'relative-pointer-unstable-v1': wl_protocol_dir / 'unstable/relative-pointer/relative-pointer-unstable-v1.xml',
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'tablet-unstable-v2': wl_protocol_dir / 'unstable/tablet/tablet-unstable-v2.xml',
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'text-input-unstable-v3': wl_protocol_dir / 'unstable/text-input/text-input-unstable-v3.xml',
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'xdg-activation-v1': wl_protocol_dir / 'staging/xdg-activation/xdg-activation-v1.xml',
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'xdg-decoration-unstable-v1': wl_protocol_dir / 'unstable/xdg-decoration/xdg-decoration-unstable-v1.xml',
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'xdg-foreign-unstable-v1': wl_protocol_dir / 'unstable/xdg-foreign/xdg-foreign-unstable-v1.xml',
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'xdg-foreign-unstable-v2': wl_protocol_dir / 'unstable/xdg-foreign/xdg-foreign-unstable-v2.xml',
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@ -62,10 +62,10 @@ wlr_files += files(
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'wlr_virtual_keyboard_v1.c',
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'wlr_virtual_pointer_v1.c',
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'wlr_xcursor_manager.c',
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'wlr_xdg_activation_v1.c',
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'wlr_xdg_decoration_v1.c',
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'wlr_xdg_foreign_v1.c',
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'wlr_xdg_foreign_v2.c',
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'wlr_xdg_foreign_registry.c',
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'wlr_xdg_output_v1.c',
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)
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327
types/wlr_xdg_activation_v1.c
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327
types/wlr_xdg_activation_v1.c
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@ -0,0 +1,327 @@
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#define _POSIX_C_SOURCE 200809L
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/types/wlr_xdg_activation_v1.h>
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#include <wlr/util/log.h>
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#include "util/signal.h"
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#include "util/token.h"
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#include "xdg-activation-v1-protocol.h"
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#define XDG_ACTIVATION_V1_VERSION 1
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static const struct xdg_activation_token_v1_interface token_impl;
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static struct wlr_xdg_activation_token_v1 *token_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&xdg_activation_token_v1_interface, &token_impl));
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return wl_resource_get_user_data(resource);
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}
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static void token_destroy(struct wlr_xdg_activation_token_v1 *token) {
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if (token == NULL) {
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return;
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}
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if (token->resource != NULL) {
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wl_resource_set_user_data(token->resource, NULL); // make inert
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}
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wl_list_remove(&token->link);
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wl_list_remove(&token->seat_destroy.link);
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wl_list_remove(&token->surface_destroy.link);
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free(token->app_id);
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free(token->token);
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free(token);
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}
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static void token_handle_resource_destroy(struct wl_resource *resource) {
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struct wlr_xdg_activation_token_v1 *token = token_from_resource(resource);
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token_destroy(token);
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}
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static void token_handle_destroy(struct wl_client *client,
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struct wl_resource *token_resource) {
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wl_resource_destroy(token_resource);
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}
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static void token_handle_commit(struct wl_client *client,
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struct wl_resource *token_resource) {
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struct wlr_xdg_activation_token_v1 *token =
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token_from_resource(token_resource);
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if (token == NULL) {
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wl_resource_post_error(token_resource,
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XDG_ACTIVATION_TOKEN_V1_ERROR_ALREADY_USED,
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"The activation token has already been used");
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return;
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}
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// Make the token resource inert
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wl_resource_set_user_data(token->resource, NULL);
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token->resource = NULL;
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char token_str[TOKEN_STRLEN + 1] = {0};
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if (!generate_token(token_str)) {
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wl_client_post_no_memory(client);
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return;
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}
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if (token->seat != NULL) {
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struct wlr_seat_client *seat_client =
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wlr_seat_client_for_wl_client(token->seat, client);
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if (seat_client == NULL ||
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!wlr_seat_client_validate_event_serial(seat_client, token->serial)) {
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wlr_log(WLR_DEBUG, "Rejecting token commit request: "
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"serial %"PRIu32" was never given to client", token->serial);
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goto error;
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}
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if (token->surface != NULL &&
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token->surface != token->seat->keyboard_state.focused_surface) {
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wlr_log(WLR_DEBUG, "Rejecting token commit request: "
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"surface doesn't have keyboard focus");
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goto error;
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}
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}
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token->token = strdup(token_str);
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if (token->token == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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assert(wl_list_empty(&token->link));
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wl_list_insert(&token->activation->tokens, &token->link);
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xdg_activation_token_v1_send_done(token_resource, token_str);
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// TODO: figure out when to discard the token
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// TODO: consider emitting a new_token event
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return;
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error:
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// Here we send the generated token, but it's invalid and can't be used to
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// request activation.
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xdg_activation_token_v1_send_done(token_resource, token_str);
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token_destroy(token);
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}
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static void token_handle_set_app_id(struct wl_client *client,
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struct wl_resource *token_resource, const char *app_id) {
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struct wlr_xdg_activation_token_v1 *token =
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token_from_resource(token_resource);
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if (token == NULL) {
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wl_resource_post_error(token_resource,
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XDG_ACTIVATION_TOKEN_V1_ERROR_ALREADY_USED,
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"The activation token has already been used");
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return;
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}
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free(token->app_id);
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token->app_id = strdup(app_id);
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}
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static void token_handle_seat_destroy(struct wl_listener *listener, void *data) {
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struct wlr_xdg_activation_token_v1 *token =
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wl_container_of(listener, token, seat_destroy);
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wl_list_remove(&token->seat_destroy.link);
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wl_list_init(&token->seat_destroy.link);
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token->serial = 0;
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token->seat = NULL;
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}
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static void token_handle_set_serial(struct wl_client *client,
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struct wl_resource *token_resource, uint32_t serial,
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struct wl_resource *seat_resource) {
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struct wlr_xdg_activation_token_v1 *token =
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token_from_resource(token_resource);
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if (token == NULL) {
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wl_resource_post_error(token_resource,
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XDG_ACTIVATION_TOKEN_V1_ERROR_ALREADY_USED,
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"The activation token has already been used");
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return;
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}
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struct wlr_seat_client *seat_client =
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wlr_seat_client_from_resource(seat_resource);
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if (seat_client == NULL) {
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wlr_log(WLR_DEBUG, "Rejecting token set_serial request: seat is inert");
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return;
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}
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token->seat = seat_client->seat;
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token->serial = serial;
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token->seat_destroy.notify = token_handle_seat_destroy;
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wl_list_remove(&token->seat_destroy.link);
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wl_signal_add(&token->seat->events.destroy, &token->seat_destroy);
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}
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static void token_handle_surface_destroy(struct wl_listener *listener, void *data) {
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struct wlr_xdg_activation_token_v1 *token =
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wl_container_of(listener, token, surface_destroy);
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wl_list_remove(&token->surface_destroy.link);
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wl_list_init(&token->surface_destroy.link);
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token->surface = NULL;
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}
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static void token_handle_set_surface(struct wl_client *client,
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struct wl_resource *token_resource,
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struct wl_resource *surface_resource) {
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struct wlr_xdg_activation_token_v1 *token =
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token_from_resource(token_resource);
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struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
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if (token == NULL) {
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wl_resource_post_error(token_resource,
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XDG_ACTIVATION_TOKEN_V1_ERROR_ALREADY_USED,
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"The activation token has already been used");
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return;
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}
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token->surface = surface;
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token->surface_destroy.notify = token_handle_surface_destroy;
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wl_list_remove(&token->surface_destroy.link);
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wl_signal_add(&surface->events.destroy, &token->surface_destroy);
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}
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static const struct xdg_activation_token_v1_interface token_impl = {
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.destroy = token_handle_destroy,
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.commit = token_handle_commit,
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.set_app_id = token_handle_set_app_id,
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.set_serial = token_handle_set_serial,
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.set_surface = token_handle_set_surface,
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};
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static const struct xdg_activation_v1_interface activation_impl;
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static struct wlr_xdg_activation_v1 *activation_from_resource(
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struct wl_resource *resource) {
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assert(wl_resource_instance_of(resource,
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&xdg_activation_v1_interface, &activation_impl));
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return wl_resource_get_user_data(resource);
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}
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static void activation_handle_destroy(struct wl_client *client,
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struct wl_resource *activation_resource) {
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wl_resource_destroy(activation_resource);
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}
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static void activation_handle_get_activation_token(struct wl_client *client,
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struct wl_resource *activation_resource, uint32_t id) {
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struct wlr_xdg_activation_v1 *activation =
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activation_from_resource(activation_resource);
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struct wlr_xdg_activation_token_v1 *token = calloc(1, sizeof(*token));
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if (token == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_list_init(&token->link);
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wl_list_init(&token->seat_destroy.link);
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wl_list_init(&token->surface_destroy.link);
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token->activation = activation;
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uint32_t version = wl_resource_get_version(activation_resource);
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token->resource = wl_resource_create(client,
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&xdg_activation_token_v1_interface, version, id);
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if (token->resource == NULL) {
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free(token);
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(token->resource, &token_impl, token,
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token_handle_resource_destroy);
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}
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static void activation_handle_activate(struct wl_client *client,
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struct wl_resource *activation_resource, const char *token_str,
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struct wl_resource *surface_resource) {
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struct wlr_xdg_activation_v1 *activation =
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activation_from_resource(activation_resource);
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struct wlr_surface *surface = wlr_surface_from_resource(surface_resource);
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struct wlr_xdg_activation_token_v1 *token;
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bool found = false;
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wl_list_for_each(token, &activation->tokens, link) {
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if (strcmp(token_str, token->token) == 0) {
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found = true;
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break;
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}
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}
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if (!found) {
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wlr_log(WLR_DEBUG, "Rejecting activate request: unknown token");
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return;
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}
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struct wlr_xdg_activation_v1_request_activate_event event = {
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.activation = activation,
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.token = token,
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.surface = surface,
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};
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wlr_signal_emit_safe(&activation->events.request_activate, &event);
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token_destroy(token);
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}
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static const struct xdg_activation_v1_interface activation_impl = {
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.destroy = activation_handle_destroy,
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.get_activation_token = activation_handle_get_activation_token,
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.activate = activation_handle_activate,
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};
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static void activation_bind(struct wl_client *client, void *data,
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uint32_t version, uint32_t id) {
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struct wlr_xdg_activation_v1 *activation = data;
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struct wl_resource *resource = wl_resource_create(client,
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&xdg_activation_v1_interface, version, id);
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if (resource == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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wl_resource_set_implementation(resource, &activation_impl, activation, NULL);
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}
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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struct wlr_xdg_activation_v1 *activation =
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wl_container_of(listener, activation, display_destroy);
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wlr_signal_emit_safe(&activation->events.destroy, NULL);
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struct wlr_xdg_activation_token_v1 *token, *token_tmp;
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wl_list_for_each_safe(token, token_tmp, &activation->tokens, link) {
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token_destroy(token);
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}
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wl_list_remove(&activation->display_destroy.link);
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wl_global_destroy(activation->global);
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free(activation);
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}
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struct wlr_xdg_activation_v1 *wlr_xdg_activation_v1_create(
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struct wl_display *display) {
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struct wlr_xdg_activation_v1 *activation = calloc(1, sizeof(*activation));
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if (activation == NULL) {
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return NULL;
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}
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wl_list_init(&activation->tokens);
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wl_signal_init(&activation->events.destroy);
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wl_signal_init(&activation->events.request_activate);
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activation->global = wl_global_create(display,
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&xdg_activation_v1_interface, XDG_ACTIVATION_V1_VERSION, activation,
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activation_bind);
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if (activation->global == NULL) {
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free(activation->global);
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return NULL;
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}
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activation->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &activation->display_destroy);
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return activation;
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}
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