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465 lines
12 KiB
465 lines
12 KiB
/*
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* Copyright (C) 2013 DENSO CORPORATION
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/*
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* ivi-shell supports a type of shell for In-Vehicle Infotainment system.
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* In-Vehicle Infotainment system traditionally manages surfaces with global
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* identification. A protocol, ivi_application, supports such a feature
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* by implementing a request, ivi_application::surface_creation defined in
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* ivi_application.xml.
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*
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* The ivi-shell explicitly loads a module to add business logic like how to
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* layout surfaces by using internal ivi-layout APIs.
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*/
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#include "config.h"
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#include <string.h>
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#include <dlfcn.h>
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#include <limits.h>
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#include <assert.h>
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#include <linux/input.h>
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#include "ivi-shell.h"
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#include "ivi-application-server-protocol.h"
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#include "ivi-layout-export.h"
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#include "ivi-layout-private.h"
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#include "shared/helpers.h"
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/* Representation of ivi_surface protocol object. */
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struct ivi_shell_surface
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{
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struct wl_resource* resource;
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struct ivi_shell *shell;
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struct ivi_layout_surface *layout_surface;
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struct weston_surface *surface;
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struct wl_listener surface_destroy_listener;
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uint32_t id_surface;
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int32_t width;
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int32_t height;
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struct wl_list link;
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struct wl_listener configured_listener;
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};
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struct ivi_shell_setting
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{
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char *ivi_module;
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int developermode;
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};
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/*
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* Implementation of ivi_surface
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*/
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static void
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surface_configure_notify(struct wl_listener *listener, void *data)
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{
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struct ivi_layout_surface *layout_surf =
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(struct ivi_layout_surface *)data;
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struct ivi_shell_surface *shell_surf =
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container_of(listener,
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struct ivi_shell_surface,
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configured_listener);
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int32_t dest_width = 0;
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int32_t dest_height = 0;
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ivi_layout_surface_get_dimension(layout_surf,
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&dest_width, &dest_height);
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if (shell_surf->resource)
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ivi_surface_send_configure(shell_surf->resource,
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dest_width, dest_height);
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}
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static void
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ivi_shell_surface_configure(struct weston_surface *, int32_t, int32_t);
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static struct ivi_shell_surface *
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get_ivi_shell_surface(struct weston_surface *surface)
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{
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if (surface->configure == ivi_shell_surface_configure)
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return surface->configure_private;
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return NULL;
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}
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static void
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ivi_shell_surface_configure(struct weston_surface *surface,
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int32_t sx, int32_t sy)
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{
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struct ivi_shell_surface *ivisurf = get_ivi_shell_surface(surface);
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if (surface->width == 0 || surface->height == 0 || ivisurf == NULL)
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return;
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if (ivisurf->width != surface->width ||
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ivisurf->height != surface->height) {
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ivisurf->width = surface->width;
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ivisurf->height = surface->height;
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ivi_layout_surface_configure(ivisurf->layout_surface,
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surface->width, surface->height);
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}
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}
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static void
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layout_surface_cleanup(struct ivi_shell_surface *ivisurf)
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{
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assert(ivisurf->layout_surface != NULL);
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ivi_layout_surface_destroy(ivisurf->layout_surface);
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ivisurf->layout_surface = NULL;
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ivisurf->surface->configure = NULL;
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ivisurf->surface->configure_private = NULL;
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ivisurf->surface = NULL;
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// destroy weston_surface destroy signal.
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wl_list_remove(&ivisurf->surface_destroy_listener.link);
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}
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/*
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* The ivi_surface wl_resource destructor.
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*
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* Gets called via ivi_surface.destroy request or automatic wl_client clean-up.
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*/
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static void
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shell_destroy_shell_surface(struct wl_resource *resource)
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{
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struct ivi_shell_surface *ivisurf = wl_resource_get_user_data(resource);
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if (ivisurf == NULL)
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return;
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assert(ivisurf->resource == resource);
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if (ivisurf->layout_surface != NULL)
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layout_surface_cleanup(ivisurf);
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wl_list_remove(&ivisurf->link);
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free(ivisurf);
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}
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/* Gets called through the weston_surface destroy signal. */
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static void
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shell_handle_surface_destroy(struct wl_listener *listener, void *data)
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{
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struct ivi_shell_surface *ivisurf =
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container_of(listener, struct ivi_shell_surface,
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surface_destroy_listener);
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assert(ivisurf != NULL);
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if (ivisurf->layout_surface != NULL)
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layout_surface_cleanup(ivisurf);
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}
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/* Gets called, when a client sends ivi_surface.destroy request. */
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static void
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surface_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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/*
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* Fires the wl_resource destroy signal, and then calls
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* ivi_surface wl_resource destructor: shell_destroy_shell_surface()
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*/
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wl_resource_destroy(resource);
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}
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static const struct ivi_surface_interface surface_implementation = {
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surface_destroy,
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};
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/**
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* Request handler for ivi_application.surface_create.
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*
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* Creates an ivi_surface protocol object associated with the given wl_surface.
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* ivi_surface protocol object is represented by struct ivi_shell_surface.
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*
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* \param client The client.
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* \param resource The ivi_application protocol object.
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* \param id_surface The IVI surface ID.
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* \param surface_resource The wl_surface protocol object.
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* \param id The protocol object id for the new ivi_surface protocol object.
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*
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* The wl_surface is given the ivi_surface role and associated with a unique
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* IVI ID which is used to identify the surface in a controller
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* (window manager).
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*/
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static void
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application_surface_create(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t id_surface,
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struct wl_resource *surface_resource,
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uint32_t id)
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{
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struct ivi_shell *shell = wl_resource_get_user_data(resource);
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struct ivi_shell_surface *ivisurf;
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struct ivi_layout_surface *layout_surface;
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struct weston_surface *weston_surface =
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wl_resource_get_user_data(surface_resource);
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struct wl_resource *res;
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if (weston_surface_set_role(weston_surface, "ivi_surface",
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resource, IVI_APPLICATION_ERROR_ROLE) < 0)
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return;
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layout_surface = ivi_layout_surface_create(weston_surface, id_surface);
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/* check if id_ivi is already used for wl_surface*/
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if (layout_surface == NULL) {
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wl_resource_post_error(resource,
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IVI_APPLICATION_ERROR_IVI_ID,
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"surface_id is already assigned "
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"by another app");
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return;
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}
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ivisurf = zalloc(sizeof *ivisurf);
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if (ivisurf == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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wl_list_init(&ivisurf->link);
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wl_list_insert(&shell->ivi_surface_list, &ivisurf->link);
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ivisurf->shell = shell;
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ivisurf->id_surface = id_surface;
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ivisurf->width = 0;
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ivisurf->height = 0;
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ivisurf->layout_surface = layout_surface;
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ivisurf->configured_listener.notify = surface_configure_notify;
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ivi_layout_surface_add_configured_listener(layout_surface,
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&ivisurf->configured_listener);
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/*
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* The following code relies on wl_surface destruction triggering
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* immediateweston_surface destruction
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*/
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ivisurf->surface_destroy_listener.notify = shell_handle_surface_destroy;
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wl_signal_add(&weston_surface->destroy_signal,
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&ivisurf->surface_destroy_listener);
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ivisurf->surface = weston_surface;
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weston_surface->configure = ivi_shell_surface_configure;
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weston_surface->configure_private = ivisurf;
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res = wl_resource_create(client, &ivi_surface_interface, 1, id);
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if (res == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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ivisurf->resource = res;
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wl_resource_set_implementation(res, &surface_implementation,
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ivisurf, shell_destroy_shell_surface);
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}
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static const struct ivi_application_interface application_implementation = {
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application_surface_create
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};
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/*
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* Handle wl_registry.bind of ivi_application global singleton.
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*/
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static void
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bind_ivi_application(struct wl_client *client,
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void *data, uint32_t version, uint32_t id)
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{
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struct ivi_shell *shell = data;
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struct wl_resource *resource;
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resource = wl_resource_create(client, &ivi_application_interface,
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1, id);
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wl_resource_set_implementation(resource,
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&application_implementation,
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shell, NULL);
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}
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struct weston_view *
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get_default_view(struct weston_surface *surface)
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{
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struct ivi_shell_surface *shsurf;
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struct weston_view *view;
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if (!surface || wl_list_empty(&surface->views))
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return NULL;
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shsurf = get_ivi_shell_surface(surface);
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if (shsurf && shsurf->layout_surface) {
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view = ivi_layout_get_weston_view(shsurf->layout_surface);
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if (view)
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return view;
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}
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wl_list_for_each(view, &surface->views, surface_link) {
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if (weston_view_is_mapped(view))
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return view;
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}
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return container_of(surface->views.next,
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struct weston_view, surface_link);
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}
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/*
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* Called through the compositor's destroy signal.
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*/
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static void
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shell_destroy(struct wl_listener *listener, void *data)
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{
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struct ivi_shell *shell =
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container_of(listener, struct ivi_shell, destroy_listener);
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struct ivi_shell_surface *ivisurf, *next;
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text_backend_destroy(shell->text_backend);
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input_panel_destroy(shell);
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wl_list_for_each_safe(ivisurf, next, &shell->ivi_surface_list, link) {
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wl_list_remove(&ivisurf->link);
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free(ivisurf);
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}
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free(shell);
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}
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static void
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terminate_binding(struct weston_keyboard *keyboard, uint32_t time,
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uint32_t key, void *data)
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{
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struct weston_compositor *compositor = data;
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wl_display_terminate(compositor->wl_display);
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}
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static void
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init_ivi_shell(struct weston_compositor *compositor, struct ivi_shell *shell,
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const struct ivi_shell_setting *setting)
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{
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shell->compositor = compositor;
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wl_list_init(&shell->ivi_surface_list);
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weston_layer_init(&shell->input_panel_layer, NULL);
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if (setting->developermode) {
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weston_install_debug_key_binding(compositor, MODIFIER_SUPER);
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weston_compositor_add_key_binding(compositor, KEY_BACKSPACE,
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MODIFIER_CTRL | MODIFIER_ALT,
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terminate_binding,
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compositor);
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}
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}
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static int
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ivi_shell_setting_create(struct ivi_shell_setting *dest,
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struct weston_compositor *compositor,
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int *argc, char *argv[])
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{
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int result = 0;
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struct weston_config *config = compositor->config;
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struct weston_config_section *section;
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const struct weston_option ivi_shell_options[] = {
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{ WESTON_OPTION_STRING, "ivi-module", 0, &dest->ivi_module },
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};
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parse_options(ivi_shell_options, ARRAY_LENGTH(ivi_shell_options),
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argc, argv);
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section = weston_config_get_section(config, "ivi-shell", NULL, NULL);
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if (!dest->ivi_module &&
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weston_config_section_get_string(section, "ivi-module",
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&dest->ivi_module, NULL) < 0) {
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weston_log("Error: ivi-shell: No ivi-module set\n");
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result = -1;
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}
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weston_config_section_get_bool(section, "developermode",
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&dest->developermode, 0);
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return result;
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}
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/*
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* Initialization of ivi-shell.
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*/
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WL_EXPORT int
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module_init(struct weston_compositor *compositor,
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int *argc, char *argv[])
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{
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struct ivi_shell *shell;
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struct ivi_shell_setting setting = { };
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int retval = -1;
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shell = zalloc(sizeof *shell);
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if (shell == NULL)
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return -1;
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if (ivi_shell_setting_create(&setting, compositor, argc, argv) != 0)
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return -1;
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init_ivi_shell(compositor, shell, &setting);
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shell->destroy_listener.notify = shell_destroy;
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wl_signal_add(&compositor->destroy_signal, &shell->destroy_listener);
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if (input_panel_setup(shell) < 0)
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goto out_settings;
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shell->text_backend = text_backend_init(compositor);
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if (!shell->text_backend)
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goto out_settings;
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if (wl_global_create(compositor->wl_display,
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&ivi_application_interface, 1,
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shell, bind_ivi_application) == NULL)
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goto out_settings;
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ivi_layout_init_with_compositor(compositor);
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/* Call module_init of ivi-modules which are defined in weston.ini */
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if (load_controller_modules(compositor, setting.ivi_module,
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argc, argv) < 0)
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goto out_settings;
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retval = 0;
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out_settings:
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free(setting.ivi_module);
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return retval;
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}
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