--- /dev/null
+/*
+ * Copyright (C) 2013 DENSO CORPORATION
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * ivi-shell supports a type of shell for In-Vehicle Infotainment system.
+ * In-Vehicle Infotainment system traditionally manages surfaces with global
+ * identification. A protocol, ivi_application, supports such a feature
+ * by implementing a request, ivi_application::surface_creation defined in
+ * ivi_application.xml.
+ *
+ * The ivi-shell explicitly loads a module to add business logic like how to
+ * layout surfaces by using internal ivi-layout APIs.
+ */
+#include "config.h"
+
+#include <sys/wait.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <linux/input.h>
+#include <dlfcn.h>
+#include <limits.h>
+#include <assert.h>
+
+#include "ivi-shell.h"
+#include "ivi-application-server-protocol.h"
+#include "ivi-layout-private.h"
+
+#include "../shared/os-compatibility.h"
+
+/* Representation of ivi_surface protocol object. */
+struct ivi_shell_surface
+{
+ struct wl_resource* resource;
+ struct ivi_shell *shell;
+ struct ivi_layout_surface *layout_surface;
+
+ struct weston_surface *surface;
+ struct wl_listener surface_destroy_listener;
+
+ uint32_t id_surface;
+
+ int32_t width;
+ int32_t height;
+
+ struct wl_list link;
+
+ struct wl_listener configured_listener;
+};
+
+struct ivi_shell_setting
+{
+ char *ivi_module;
+};
+
+/*
+ * Implementation of ivi_surface
+ */
+
+static void
+surface_configure_notify(struct wl_listener *listener, void *data)
+{
+ struct ivi_layout_surface *layout_surf =
+ (struct ivi_layout_surface *)data;
+
+ struct ivi_shell_surface *shell_surf =
+ container_of(listener,
+ struct ivi_shell_surface,
+ configured_listener);
+
+ int32_t dest_width = 0;
+ int32_t dest_height = 0;
+ shell_surf->shell->ivi_layout->get_surface_dimension(layout_surf,
+ &dest_width, &dest_height);
+
+ if (shell_surf->resource)
+ ivi_surface_send_configure(shell_surf->resource,
+ dest_width, dest_height);
+}
+
+static void
+ivi_shell_surface_configure(struct weston_surface *, int32_t, int32_t);
+
+static struct ivi_shell_surface *
+get_ivi_shell_surface(struct weston_surface *surface)
+{
+ if (surface->configure == ivi_shell_surface_configure)
+ return surface->configure_private;
+
+ return NULL;
+}
+
+static void
+ivi_shell_surface_configure(struct weston_surface *surface,
+ int32_t sx, int32_t sy)
+{
+ struct ivi_shell_surface *ivisurf = get_ivi_shell_surface(surface);
+ struct weston_view *view;
+ float from_x;
+ float from_y;
+ float to_x;
+ float to_y;
+
+ if (surface->width == 0 || surface->height == 0 || ivisurf == NULL)
+ return;
+
+ view = ivisurf->shell->ivi_layout->get_weston_view(ivisurf->layout_surface);
+ if (view == NULL)
+ return;
+
+ if (ivisurf->width != surface->width ||
+ ivisurf->height != surface->height) {
+ ivisurf->width = surface->width;
+ ivisurf->height = surface->height;
+
+ weston_view_to_global_float(view, 0, 0, &from_x, &from_y);
+ weston_view_to_global_float(view, sx, sy, &to_x, &to_y);
+
+ weston_view_set_position(view,
+ view->geometry.x + to_x - from_x,
+ view->geometry.y + to_y - from_y);
+ weston_view_update_transform(view);
+
+ ivisurf->shell->ivi_layout->surface_configure(ivisurf->layout_surface,
+ surface->width, surface->height);
+ }
+}
+
+/*
+ * The ivi_surface wl_resource destructor.
+ *
+ * Gets called via ivi_surface.destroy request or automatic wl_client clean-up.
+ */
+static void
+shell_destroy_shell_surface(struct wl_resource *resource)
+{
+ struct ivi_shell_surface *ivisurf = wl_resource_get_user_data(resource);
+ if (ivisurf != NULL) {
+ ivisurf->resource = NULL;
+ }
+}
+
+/* Gets called through the weston_surface destroy signal. */
+static void
+shell_handle_surface_destroy(struct wl_listener *listener, void *data)
+{
+ struct ivi_shell_surface *ivisurf =
+ container_of(listener, struct ivi_shell_surface,
+ surface_destroy_listener);
+
+ assert(ivisurf != NULL);
+
+ if (ivisurf->surface!=NULL) {
+ ivisurf->surface->configure = NULL;
+ ivisurf->surface->configure_private = NULL;
+ ivisurf->surface = NULL;
+ }
+
+ wl_list_remove(&ivisurf->surface_destroy_listener.link);
+ wl_list_remove(&ivisurf->link);
+
+ if (ivisurf->resource != NULL) {
+ wl_resource_set_user_data(ivisurf->resource, NULL);
+ ivisurf->resource = NULL;
+ }
+ free(ivisurf);
+
+}
+
+/* Gets called, when a client sends ivi_surface.destroy request. */
+static void
+surface_destroy(struct wl_client *client, struct wl_resource *resource)
+{
+ /*
+ * Fires the wl_resource destroy signal, and then calls
+ * ivi_surface wl_resource destructor: shell_destroy_shell_surface()
+ */
+ wl_resource_destroy(resource);
+}
+
+static const struct ivi_surface_interface surface_implementation = {
+ surface_destroy,
+};
+
+/**
+ * Request handler for ivi_application.surface_create.
+ *
+ * Creates an ivi_surface protocol object associated with the given wl_surface.
+ * ivi_surface protocol object is represented by struct ivi_shell_surface.
+ *
+ * \param client The client.
+ * \param resource The ivi_application protocol object.
+ * \param id_surface The IVI surface ID.
+ * \param surface_resource The wl_surface protocol object.
+ * \param id The protocol object id for the new ivi_surface protocol object.
+ *
+ * The wl_surface is given the ivi_surface role and associated with a unique
+ * IVI ID which is used to identify the surface in a controller
+ * (window manager).
+ */
+static void
+application_surface_create(struct wl_client *client,
+ struct wl_resource *resource,
+ uint32_t id_surface,
+ struct wl_resource *surface_resource,
+ uint32_t id)
+{
+ struct ivi_shell *shell = wl_resource_get_user_data(resource);
+ struct ivi_shell_surface *ivisurf;
+ struct ivi_layout_surface *layout_surface;
+ struct weston_surface *weston_surface =
+ wl_resource_get_user_data(surface_resource);
+ struct wl_resource *res;
+
+ if (weston_surface_set_role(weston_surface, "ivi_surface",
+ resource, IVI_APPLICATION_ERROR_ROLE) < 0)
+ return;
+
+ layout_surface = shell->ivi_layout->surface_create(weston_surface,
+ id_surface);
+
+ /* check if id_ivi is already used for wl_surface*/
+ if (layout_surface == NULL){
+ wl_resource_post_error(resource,
+ IVI_APPLICATION_ERROR_IVI_ID,
+ "surface_id is already assigned "
+ "by another app");
+ return;
+ }
+
+ ivisurf = zalloc(sizeof *ivisurf);
+ if (ivisurf == NULL) {
+ wl_resource_post_no_memory(resource);
+ return;
+ }
+
+ wl_list_init(&ivisurf->link);
+ wl_list_insert(&shell->ivi_surface_list, &ivisurf->link);
+
+ ivisurf->shell = shell;
+ ivisurf->id_surface = id_surface;
+
+ ivisurf->width = 0;
+ ivisurf->height = 0;
+ ivisurf->layout_surface = layout_surface;
+ ivisurf->configured_listener.notify = surface_configure_notify;
+ ivisurf->shell->ivi_layout->add_surface_configured_listener(layout_surface,
+ &ivisurf->configured_listener);
+
+ /*
+ * The following code relies on wl_surface destruction triggering
+ * immediateweston_surface destruction
+ */
+ ivisurf->surface_destroy_listener.notify = shell_handle_surface_destroy;
+ wl_signal_add(&weston_surface->destroy_signal,
+ &ivisurf->surface_destroy_listener);
+
+ ivisurf->surface = weston_surface;
+
+ weston_surface->configure = ivi_shell_surface_configure;
+ weston_surface->configure_private = ivisurf;
+
+ res = wl_resource_create(client, &ivi_surface_interface, 1, id);
+ if (res == NULL) {
+ wl_client_post_no_memory(client);
+ return;
+ }
+
+ ivisurf->resource = res;
+
+ wl_resource_set_implementation(res, &surface_implementation,
+ ivisurf, shell_destroy_shell_surface);
+}
+
+static const struct ivi_application_interface application_implementation = {
+ application_surface_create
+};
+
+/*
+ * Handle wl_registry.bind of ivi_application global singleton.
+ */
+static void
+bind_ivi_application(struct wl_client *client,
+ void *data, uint32_t version, uint32_t id)
+{
+ struct ivi_shell *shell = data;
+ struct wl_resource *resource;
+
+ resource = wl_resource_create(client, &ivi_application_interface,
+ 1, id);
+
+ wl_resource_set_implementation(resource,
+ &application_implementation,
+ shell, NULL);
+}
+
+/*
+ * Called through the compositor's destroy signal.
+ */
+static void
+shell_destroy(struct wl_listener *listener, void *data)
+{
+ struct ivi_shell *shell =
+ container_of(listener, struct ivi_shell, destroy_listener);
+ struct ivi_shell_surface *ivisurf, *next;
+
+ wl_list_for_each_safe(ivisurf, next, &shell->ivi_surface_list, link) {
+ wl_list_remove(&ivisurf->link);
+ free(ivisurf);
+ }
+
+ free(shell);
+}
+
+static void
+init_ivi_shell(struct weston_compositor *compositor, struct ivi_shell *shell)
+{
+ shell->compositor = compositor;
+
+ wl_list_init(&shell->ivi_surface_list);
+
+}
+
+static int
+ivi_shell_setting_create(struct ivi_shell_setting *dest,
+ struct weston_compositor *compositor)
+{
+ int result = 0;
+ struct weston_config *config = compositor->config;
+ struct weston_config_section *section;
+
+ if (NULL == dest)
+ return -1;
+
+ section = weston_config_get_section(config, "ivi-shell", NULL, NULL);
+
+ if (weston_config_section_get_string(
+ section, "ivi-module", &dest->ivi_module, NULL) != 0)
+ {
+ result = -1;
+ }
+
+ return result;
+}
+
+/*
+ * Initialization of ivi-shell.
+ */
+static int
+ivi_load_modules(struct weston_compositor *compositor, const char *modules,
+ int *argc, char *argv[])
+{
+ const char *p, *end;
+ char buffer[256];
+ int (*module_init)(struct weston_compositor *compositor,
+ int *argc, char *argv[]);
+
+ if (modules == NULL)
+ return 0;
+
+ p = modules;
+ while (*p) {
+ end = strchrnul(p, ',');
+ snprintf(buffer, sizeof buffer, "%.*s", (int)(end - p), p);
+
+ module_init = weston_load_module(buffer, "module_init");
+ if (module_init)
+ module_init(compositor, argc, argv);
+
+ p = end;
+ while (*p == ',')
+ p++;
+ }
+
+ return 0;
+}
+
+WL_EXPORT int
+module_init(struct weston_compositor *compositor,
+ int *argc, char *argv[])
+{
+ struct ivi_shell *shell;
+ char ivi_layout_path[PATH_MAX];
+ void *module;
+ struct ivi_shell_setting setting = { };
+
+ shell = zalloc(sizeof *shell);
+ if (shell == NULL)
+ return -1;
+
+ init_ivi_shell(compositor, shell);
+
+ shell->destroy_listener.notify = shell_destroy;
+ wl_signal_add(&compositor->destroy_signal, &shell->destroy_listener);
+
+
+ if (wl_global_create(compositor->wl_display,
+ &ivi_application_interface, 1,
+ shell, bind_ivi_application) == NULL)
+ return -1;
+
+ if (ivi_shell_setting_create(&setting, compositor) != 0)
+ return -1;
+
+ /*
+ * load module:ivi-layout
+ * ivi_layout_interface is referred by ivi-shell to use ivi-layout.
+ * The reason why the following code is written newly without
+ * using weston_load_module is it doesn't open library with
+ * RTLD_GLOBAL option.
+ */
+ snprintf(ivi_layout_path, sizeof ivi_layout_path,
+ "%s/%s", MODULEDIR, "ivi-layout.so");
+ module = dlopen(ivi_layout_path, RTLD_NOW | RTLD_NOLOAD);
+ if (module) {
+ weston_log("ivi-shell: Module '%s' already loaded\n",
+ ivi_layout_path);
+ dlclose(module);
+ return -1;
+ }
+
+ weston_log("ivi-shell: Loading module '%s'\n", ivi_layout_path);
+ module = dlopen(ivi_layout_path, RTLD_NOW | RTLD_GLOBAL);
+ if (!module) {
+ weston_log("ivi-shell: Failed to load module: %s\n", dlerror());
+ return -1;
+ }
+
+ shell->ivi_layout = dlsym(module,"ivi_layout_interface");
+ if (!shell->ivi_layout){
+ weston_log("ivi-shell: couldn't find ivi_layout_interface in '%s'\n", ivi_layout_path);
+ free(setting.ivi_module);
+ dlclose(module);
+ return -1;
+ }
+
+ shell->ivi_layout->init_with_compositor(compositor);
+
+ /* Call module_init of ivi-modules which are defined in weston.ini */
+ if (ivi_load_modules(compositor, setting.ivi_module, argc, argv) < 0) {
+ free(setting.ivi_module);
+ dlclose(module);
+ return -1;
+ }
+
+ free(setting.ivi_module);
+ return 0;
+}
projects / profile / ivi / weston-ivi-shell.git / commitdiff