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Diffstat (limited to 'clients/ivi-shell-user-interface.c')
| -rw-r--r-- | clients/ivi-shell-user-interface.c | 1310 |
1 files changed, 1310 insertions, 0 deletions
diff --git a/clients/ivi-shell-user-interface.c b/clients/ivi-shell-user-interface.c new file mode 100644 index 00000000..324ea7a6 --- /dev/null +++ b/clients/ivi-shell-user-interface.c @@ -0,0 +1,1310 @@ +/* + * 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. + */ + +#include <sys/wait.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <linux/input.h> +#include <assert.h> +#include <fcntl.h> +#include <signal.h> +#include <sys/mman.h> +#include <getopt.h> +#include <wayland-cursor.h> +#include "../shared/cairo-util.h" +#include "../shared/config-parser.h" +#include "../shared/os-compatibility.h" +#include "ivi-application-client-protocol.h" +#include "ivi-hmi-controller-client-protocol.h" + +/** + * A reference implementation how to use ivi-hmi-controller interface to + * interact with hmi-controller. This is launched from hmi-controller by using + * hmi_client_start and create a pthread. + * + * The basic flow is as followed, + * 1/ read configuration from weston.ini. + * 2/ draw png file to surface according to configuration of weston.ini + * 3/ set up UI by using ivi-hmi-controller protocol + * 4/ Enter event loop + * 5/ If a surface receives touch/pointer event, followings are invoked + * according to type of event and surface + * 5-1/ If a surface to launch ivi_application receive touch up, it execs + * ivi-application configured in weston.ini. + * 5-2/ If a surface to switch layout mode receive touch up, it sends a request, + * ivi_hmi_controller_switch_mode, to hmi-controller. + * 5-3/ If a surface to show workspace having launchers, it sends a request, + * ivi_hmi_controller_home, to hmi-controller. + * 5-4/ If touch down events happens in workspace, + * ivi_hmi_controller_workspace_control is sent to slide workspace. + * When control finished, event: ivi_hmi_controller_workspace_end_control + * is received. + */ + +/***************************************************************************** + * structure, globals + ****************************************************************************/ +enum cursor_type { + CURSOR_BOTTOM_LEFT, + CURSOR_BOTTOM_RIGHT, + CURSOR_BOTTOM, + CURSOR_DRAGGING, + CURSOR_LEFT_PTR, + CURSOR_LEFT, + CURSOR_RIGHT, + CURSOR_TOP_LEFT, + CURSOR_TOP_RIGHT, + CURSOR_TOP, + CURSOR_IBEAM, + CURSOR_HAND1, + CURSOR_WATCH, + + CURSOR_BLANK +}; +struct wlContextCommon { + struct wl_display *wlDisplay; + struct wl_registry *wlRegistry; + struct wl_compositor *wlCompositor; + struct wl_shm *wlShm; + uint32_t formats; + struct wl_seat *wlSeat; + struct wl_pointer *wlPointer; + struct wl_touch *wlTouch; + struct ivi_application *iviApplication; + struct ivi_hmi_controller *hmiCtrl; + struct hmi_homescreen_setting *hmi_setting; + struct wl_list list_wlContextStruct; + struct wl_surface *enterSurface; + int32_t is_home_on; + struct wl_cursor_theme *cursor_theme; + struct wl_cursor **cursors; + struct wl_surface *pointer_surface; + enum cursor_type current_cursor; + uint32_t enter_serial; +}; + +struct wlContextStruct { + struct wlContextCommon *cmm; + struct wl_surface *wlSurface; + struct wl_buffer *wlBuffer; + cairo_surface_t *ctx_image; + void *data; + uint32_t id_surface; + struct wl_list link; +}; + +struct +hmi_homescreen_srf { + uint32_t id; + char *filePath; + uint32_t color; +}; + +struct +hmi_homescreen_workspace { + struct wl_array launcher_id_array; + struct wl_list link; +}; + +struct +hmi_homescreen_launcher { + uint32_t icon_surface_id; + uint32_t workspace_id; + char *icon; + char *path; + struct wl_list link; +}; + +struct +hmi_homescreen_setting { + struct hmi_homescreen_srf background; + struct hmi_homescreen_srf panel; + struct hmi_homescreen_srf tiling; + struct hmi_homescreen_srf sidebyside; + struct hmi_homescreen_srf fullscreen; + struct hmi_homescreen_srf random; + struct hmi_homescreen_srf home; + struct hmi_homescreen_srf workspace_background; + + struct wl_list workspace_list; + struct wl_list launcher_list; + + char *cursor_theme; + int32_t cursor_size; + uint32_t transition_duration; +}; + +static void * +fail_on_null(void *p, size_t size, char *file, int32_t line) +{ + if (size && !p) { + fprintf(stderr, "%s(%d) %zd: out of memory\n", + file, line, size); + exit(EXIT_FAILURE); + } + + return p; +} + +static void * +mem_alloc(size_t size, char *file, int32_t line) +{ + return fail_on_null(calloc(1, size), size, file, line); +} + +#define MEM_ALLOC(s) mem_alloc((s),__FILE__,__LINE__) +#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0]) + +/***************************************************************************** + * Event Handler + ****************************************************************************/ + +static void +shm_format(void *data, struct wl_shm *pWlShm, uint32_t format) +{ + struct wlContextCommon *pCtx = data; + + pCtx->formats |= (1 << format); +} + +static struct wl_shm_listener shm_listenter = { + shm_format +}; + +static int32_t +getIdOfWlSurface(struct wlContextCommon *pCtx, struct wl_surface *wlSurface) +{ + struct wlContextStruct *pWlCtxSt = NULL; + + if (NULL == pCtx || NULL == wlSurface ) + return 0; + + wl_list_for_each(pWlCtxSt, &pCtx->list_wlContextStruct, link) { + if (pWlCtxSt->wlSurface == wlSurface) + return pWlCtxSt->id_surface; + } + + return -1; +} + +static void +set_pointer_image(struct wlContextCommon *pCtx, uint32_t index) +{ + struct wl_cursor *cursor = NULL; + struct wl_cursor_image *image = NULL; + struct wl_buffer *buffer = NULL; + + if (!pCtx->wlPointer || !pCtx->cursors) + return; + + if (CURSOR_BLANK == pCtx->current_cursor) { + wl_pointer_set_cursor(pCtx->wlPointer, pCtx->enter_serial, + NULL, 0, 0); + return; + } + + cursor = pCtx->cursors[pCtx->current_cursor]; + if (!cursor) + return; + + if (cursor->image_count <= index) { + fprintf(stderr, "cursor index out of range\n"); + return; + } + + image = cursor->images[index]; + buffer = wl_cursor_image_get_buffer(image); + + if (!buffer) + return; + + wl_pointer_set_cursor(pCtx->wlPointer, pCtx->enter_serial, + pCtx->pointer_surface, + image->hotspot_x, image->hotspot_y); + + wl_surface_attach(pCtx->pointer_surface, buffer, 0, 0); + + wl_surface_damage(pCtx->pointer_surface, 0, 0, + image->width, image->height); + + wl_surface_commit(pCtx->pointer_surface); +} + +static void +PointerHandleEnter(void *data, struct wl_pointer *wlPointer, uint32_t serial, + struct wl_surface *wlSurface, wl_fixed_t sx, wl_fixed_t sy) +{ + struct wlContextCommon *pCtx = data; + + pCtx->enter_serial = serial; + pCtx->enterSurface = wlSurface; + set_pointer_image(pCtx, 0); +#ifdef _DEBUG + printf("ENTER PointerHandleEnter: x(%d), y(%d)\n", sx, sy); +#endif +} + +static void +PointerHandleLeave(void *data, struct wl_pointer *wlPointer, uint32_t serial, + struct wl_surface *wlSurface) +{ + struct wlContextCommon *pCtx = data; + + pCtx->enterSurface = NULL; + +#ifdef _DEBUG + printf("ENTER PointerHandleLeave: serial(%d)\n", serial); +#endif +} + +static void +PointerHandleMotion(void *data, struct wl_pointer *wlPointer, uint32_t time, + wl_fixed_t sx, wl_fixed_t sy) +{ +#ifdef _DEBUG + printf("ENTER PointerHandleMotion: x(%d), y(%d)\n", sx, sy); +#endif +} + +/** + * if a surface assigned as launcher receives touch-off event, invoking + * ivi-application which configured in weston.ini with path to binary. + */ +extern char **environ; /*defied by libc */ + +static pid_t +execute_process(char *path, char *argv[]) +{ + pid_t pid = fork(); + if (pid < 0) + fprintf(stderr, "Failed to fork\n"); + + if (pid) + return pid; + + if (-1 == execve(path, argv, environ)) { + fprintf(stderr, "Failed to execve %s\n", path); + exit(1); + } + + return pid; +} + +static int32_t +launcher_button(uint32_t surfaceId, struct wl_list *launcher_list) +{ + struct hmi_homescreen_launcher *launcher = NULL; + + wl_list_for_each(launcher, launcher_list, link) { + char *argv[] = { NULL }; + + if (surfaceId != launcher->icon_surface_id) + continue; + + execute_process(launcher->path, argv); + + return 1; + } + + return 0; +} + +/** + * is-method to identify a surface set as launcher in workspace or workspace + * itself. This is-method is used to decide whether request; + * ivi_hmi_controller_workspace_control is sent or not. + */ +static int32_t +isWorkspaceSurface(uint32_t id, struct hmi_homescreen_setting *hmi_setting) +{ + struct hmi_homescreen_launcher *launcher = NULL; + + if (id == hmi_setting->workspace_background.id) + return 1; + + wl_list_for_each(launcher, &hmi_setting->launcher_list, link) { + if (id == launcher->icon_surface_id) + return 1; + } + + return 0; +} + +/** + * Decide which request is sent to hmi-controller + */ +static void +touch_up(struct ivi_hmi_controller *hmi_ctrl, uint32_t id_surface, + int32_t *is_home_on, struct hmi_homescreen_setting *hmi_setting) +{ + if (launcher_button(id_surface, &hmi_setting->launcher_list)) { + *is_home_on = 0; + ivi_hmi_controller_home(hmi_ctrl, IVI_HMI_CONTROLLER_HOME_OFF); + } else if (id_surface == hmi_setting->tiling.id) { + ivi_hmi_controller_switch_mode(hmi_ctrl, + IVI_HMI_CONTROLLER_LAYOUT_MODE_TILING); + } else if (id_surface == hmi_setting->sidebyside.id) { + ivi_hmi_controller_switch_mode(hmi_ctrl, + IVI_HMI_CONTROLLER_LAYOUT_MODE_SIDE_BY_SIDE); + } else if (id_surface == hmi_setting->fullscreen.id) { + ivi_hmi_controller_switch_mode(hmi_ctrl, + IVI_HMI_CONTROLLER_LAYOUT_MODE_FULL_SCREEN); + } else if (id_surface == hmi_setting->random.id) { + ivi_hmi_controller_switch_mode(hmi_ctrl, + IVI_HMI_CONTROLLER_LAYOUT_MODE_RANDOM); + } else if (id_surface == hmi_setting->home.id) { + *is_home_on = !(*is_home_on); + if (*is_home_on) { + ivi_hmi_controller_home(hmi_ctrl, + IVI_HMI_CONTROLLER_HOME_ON); + } else { + ivi_hmi_controller_home(hmi_ctrl, + IVI_HMI_CONTROLLER_HOME_OFF); + } + } +} + +/** + * Even handler of Pointer event. IVI system is usually manipulated by touch + * screen. However, some systems also have pointer device. + * Release is the same behavior as touch off + * Pressed is the same behavior as touch on + */ +static void +PointerHandleButton(void *data, struct wl_pointer *wlPointer, uint32_t serial, + uint32_t time, uint32_t button, uint32_t state) +{ + struct wlContextCommon *pCtx = data; + struct ivi_hmi_controller *hmi_ctrl = pCtx->hmiCtrl; + const uint32_t id_surface = getIdOfWlSurface(pCtx, pCtx->enterSurface); + + if (BTN_RIGHT == button) + return; + + switch (state) { + case WL_POINTER_BUTTON_STATE_RELEASED: + touch_up(hmi_ctrl, id_surface, &pCtx->is_home_on, + pCtx->hmi_setting); + break; + + case WL_POINTER_BUTTON_STATE_PRESSED: + + if (isWorkspaceSurface(id_surface, pCtx->hmi_setting)) { + ivi_hmi_controller_workspace_control(hmi_ctrl, + pCtx->wlSeat, + serial); + } + + break; + } +#ifdef _DEBUG + printf("ENTER PointerHandleButton: button(%d), state(%d)\n", + button, state); +#endif +} + +static void +PointerHandleAxis(void *data, struct wl_pointer *wlPointer, uint32_t time, + uint32_t axis, wl_fixed_t value) +{ +#ifdef _DEBUG + printf("ENTER PointerHandleAxis: axis(%d), value(%d)\n", axis, value); +#endif +} + +static struct wl_pointer_listener pointer_listener = { + PointerHandleEnter, + PointerHandleLeave, + PointerHandleMotion, + PointerHandleButton, + PointerHandleAxis +}; + +/** + * Even handler of touch event + */ +static void +TouchHandleDown(void *data, struct wl_touch *wlTouch, uint32_t serial, + uint32_t time, struct wl_surface *surface, int32_t id, + wl_fixed_t x_w, wl_fixed_t y_w) +{ + struct wlContextCommon *pCtx = data; + struct ivi_hmi_controller *hmi_ctrl = pCtx->hmiCtrl; + uint32_t id_surface = 0; + + if (0 == id) + pCtx->enterSurface = surface; + + id_surface = getIdOfWlSurface(pCtx, pCtx->enterSurface); + + /** + * When touch down happens on surfaces of workspace, ask + * hmi-controller to start control workspace to select page of + * workspace. After sending seat to hmi-controller by + * ivi_hmi_controller_workspace_control, + * hmi-controller-homescreen doesn't receive any event till + * hmi-controller sends back it. + */ + if (isWorkspaceSurface(id_surface, pCtx->hmi_setting)) { + ivi_hmi_controller_workspace_control(hmi_ctrl, pCtx->wlSeat, + serial); + } +} + +static void +TouchHandleUp(void *data, struct wl_touch *wlTouch, uint32_t serial, + uint32_t time, int32_t id) +{ + struct wlContextCommon *pCtx = data; + struct ivi_hmi_controller *hmi_ctrl = pCtx->hmiCtrl; + + const uint32_t id_surface = getIdOfWlSurface(pCtx, pCtx->enterSurface); + + /** + * triggering event according to touch-up happening on which surface. + */ + if (id == 0){ + touch_up(hmi_ctrl, id_surface, &pCtx->is_home_on, + pCtx->hmi_setting); + } +} + +static void +TouchHandleMotion(void *data, struct wl_touch *wlTouch, uint32_t time, + int32_t id, wl_fixed_t x_w, wl_fixed_t y_w) +{ +} + +static void +TouchHandleFrame(void *data, struct wl_touch *wlTouch) +{ +} + +static void +TouchHandleCancel(void *data, struct wl_touch *wlTouch) +{ +} + +static struct wl_touch_listener touch_listener = { + TouchHandleDown, + TouchHandleUp, + TouchHandleMotion, + TouchHandleFrame, + TouchHandleCancel, +}; + +/** + * Handler of capabilities + */ +static void +seat_handle_capabilities(void *data, struct wl_seat *seat, uint32_t caps) +{ + struct wlContextCommon *p_wlCtx = (struct wlContextCommon*)data; + struct wl_seat *wlSeat = p_wlCtx->wlSeat; + struct wl_pointer *wlPointer = p_wlCtx->wlPointer; + struct wl_touch *wlTouch = p_wlCtx->wlTouch; + + if (p_wlCtx->hmi_setting->cursor_theme) { + if ((caps & WL_SEAT_CAPABILITY_POINTER) && !wlPointer){ + wlPointer = wl_seat_get_pointer(wlSeat); + wl_pointer_add_listener(wlPointer, + &pointer_listener, data); + } else + if (!(caps & WL_SEAT_CAPABILITY_POINTER) && wlPointer){ + wl_pointer_destroy(wlPointer); + wlPointer = NULL; + } + p_wlCtx->wlPointer = wlPointer; + } + + if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !wlTouch){ + wlTouch = wl_seat_get_touch(wlSeat); + wl_touch_add_listener(wlTouch, &touch_listener, data); + } else + if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && wlTouch){ + wl_touch_destroy(wlTouch); + wlTouch = NULL; + } + p_wlCtx->wlTouch = wlTouch; +} + +static struct wl_seat_listener seat_Listener = { + seat_handle_capabilities, +}; + +/** + * Registration of event + * This event is received when hmi-controller server finished controlling + * workspace. + */ +static void +ivi_hmi_controller_workspace_end_control(void *data, + struct ivi_hmi_controller *hmi_ctrl, + int32_t is_controlled) +{ + struct wlContextCommon *pCtx = data; + const uint32_t id_surface = getIdOfWlSurface(pCtx, pCtx->enterSurface); + + if (is_controlled) + return; + + /** + * During being controlled by hmi-controller, any input event is not + * notified. So when control ends with touch up, it invokes launcher + * if up event happens on a launcher surface. + * + */ + if (launcher_button(id_surface, &pCtx->hmi_setting->launcher_list)) { + pCtx->is_home_on = 0; + ivi_hmi_controller_home(hmi_ctrl, IVI_HMI_CONTROLLER_HOME_OFF); + } +} + +static const struct ivi_hmi_controller_listener hmi_controller_listener = { + ivi_hmi_controller_workspace_end_control +}; + +/** + * Registration of interfaces + */ +static void +registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, + const char *interface, uint32_t version) +{ + struct wlContextCommon *p_wlCtx = (struct wlContextCommon*)data; + + if (!strcmp(interface, "wl_compositor")) { + p_wlCtx->wlCompositor = + wl_registry_bind(registry, name, + &wl_compositor_interface, 1); + } else if (!strcmp(interface, "wl_shm")) { + p_wlCtx->wlShm = + wl_registry_bind(registry, name, &wl_shm_interface, 1); + wl_shm_add_listener(p_wlCtx->wlShm, &shm_listenter, p_wlCtx); + } else if (!strcmp(interface, "wl_seat")) { + p_wlCtx->wlSeat = + wl_registry_bind(registry, name, &wl_seat_interface, 1); + wl_seat_add_listener(p_wlCtx->wlSeat, &seat_Listener, data); + } else if (!strcmp(interface, "ivi_application")) { + p_wlCtx->iviApplication = + wl_registry_bind(registry, name, + &ivi_application_interface, 1); + } else if (!strcmp(interface, "ivi_hmi_controller")) { + p_wlCtx->hmiCtrl = + wl_registry_bind(registry, name, + &ivi_hmi_controller_interface, 1); + + ivi_hmi_controller_add_listener(p_wlCtx->hmiCtrl, + &hmi_controller_listener, p_wlCtx); + } +} + +static void +registry_handle_global_remove(void *data, struct wl_registry *registry, + uint32_t name) +{ +} + +static const struct wl_registry_listener registry_listener = { + registry_handle_global, + registry_handle_global_remove +}; + +static void +frame_listener_func(void *data, struct wl_callback *callback, uint32_t time) +{ + if (callback) + wl_callback_destroy(callback); +} + +static const struct wl_callback_listener frame_listener = { + frame_listener_func +}; + +/* + * The following correspondences between file names and cursors was copied + * from: https://bugs.kde.org/attachment.cgi?id=67313 + */ +static const char *bottom_left_corners[] = { + "bottom_left_corner", + "sw-resize", + "size_bdiag" +}; + +static const char *bottom_right_corners[] = { + "bottom_right_corner", + "se-resize", + "size_fdiag" +}; + +static const char *bottom_sides[] = { + "bottom_side", + "s-resize", + "size_ver" +}; + +static const char *grabbings[] = { + "grabbing", + "closedhand", + "208530c400c041818281048008011002" +}; + +static const char *left_ptrs[] = { + "left_ptr", + "default", + "top_left_arrow", + "left-arrow" +}; + +static const char *left_sides[] = { + "left_side", + "w-resize", + "size_hor" +}; + +static const char *right_sides[] = { + "right_side", + "e-resize", + "size_hor" +}; + +static const char *top_left_corners[] = { + "top_left_corner", + "nw-resize", + "size_fdiag" +}; + +static const char *top_right_corners[] = { + "top_right_corner", + "ne-resize", + "size_bdiag" +}; + +static const char *top_sides[] = { + "top_side", + "n-resize", + "size_ver" +}; + +static const char *xterms[] = { + "xterm", + "ibeam", + "text" +}; + +static const char *hand1s[] = { + "hand1", + "pointer", + "pointing_hand", + "e29285e634086352946a0e7090d73106" +}; + +static const char *watches[] = { + "watch", + "wait", + "0426c94ea35c87780ff01dc239897213" +}; + +struct cursor_alternatives { + const char **names; + size_t count; +}; + +static const struct cursor_alternatives cursors[] = { + { bottom_left_corners, ARRAY_LENGTH(bottom_left_corners) }, + { bottom_right_corners, ARRAY_LENGTH(bottom_right_corners) }, + { bottom_sides, ARRAY_LENGTH(bottom_sides) }, + { grabbings, ARRAY_LENGTH(grabbings) }, + { left_ptrs, ARRAY_LENGTH(left_ptrs) }, + { left_sides, ARRAY_LENGTH(left_sides) }, + { right_sides, ARRAY_LENGTH(right_sides) }, + { top_left_corners, ARRAY_LENGTH(top_left_corners) }, + { top_right_corners, ARRAY_LENGTH(top_right_corners) }, + { top_sides, ARRAY_LENGTH(top_sides) }, + { xterms, ARRAY_LENGTH(xterms) }, + { hand1s, ARRAY_LENGTH(hand1s) }, + { watches, ARRAY_LENGTH(watches) }, +}; + +static void +create_cursors(struct wlContextCommon *cmm) +{ + uint32_t i = 0; + uint32_t j = 0; + struct wl_cursor *cursor = NULL; + char *cursor_theme = cmm->hmi_setting->cursor_theme; + int32_t cursor_size = cmm->hmi_setting->cursor_size; + + cmm->cursor_theme = wl_cursor_theme_load(cursor_theme, cursor_size, + cmm->wlShm); + + cmm->cursors = + MEM_ALLOC(ARRAY_LENGTH(cursors) * sizeof(cmm->cursors[0])); + + for (i = 0; i < ARRAY_LENGTH(cursors); i++) { + cursor = NULL; + + for (j = 0; !cursor && j < cursors[i].count; ++j) { + cursor = wl_cursor_theme_get_cursor( + cmm->cursor_theme, cursors[i].names[j]); + } + + if (!cursor) { + fprintf(stderr, "could not load cursor '%s'\n", + cursors[i].names[0]); + } + + cmm->cursors[i] = cursor; + } +} + +static void +destroy_cursors(struct wlContextCommon *cmm) +{ + if (cmm->cursor_theme) + wl_cursor_theme_destroy(cmm->cursor_theme); + + free(cmm->cursors); +} + +/** + * Internal method to prepare parts of UI + */ +static void +createShmBuffer(struct wlContextStruct *p_wlCtx) +{ + struct wl_shm_pool *pool; + + int fd = -1; + int size = 0; + int width = 0; + int height = 0; + int stride = 0; + + width = cairo_image_surface_get_width(p_wlCtx->ctx_image); + height = cairo_image_surface_get_height(p_wlCtx->ctx_image); + stride = cairo_image_surface_get_stride(p_wlCtx->ctx_image); + + size = stride * height; + + fd = os_create_anonymous_file(size); + if (fd < 0) { + fprintf(stderr, "creating a buffer file for %d B failed: %m\n", + size); + return ; + } + + p_wlCtx->data = + mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); + + if (MAP_FAILED == p_wlCtx->data) { + fprintf(stderr, "mmap failed: %m\n"); + close(fd); + return; + } + + pool = wl_shm_create_pool(p_wlCtx->cmm->wlShm, fd, size); + p_wlCtx->wlBuffer = wl_shm_pool_create_buffer(pool, 0, + width, + height, + stride, + WL_SHM_FORMAT_ARGB8888); + + if (NULL == p_wlCtx->wlBuffer) { + fprintf(stderr, "wl_shm_create_buffer failed: %m\n"); + close(fd); + return; + } + + wl_shm_pool_destroy(pool); + close(fd); +} + +static void +destroyWLContextCommon(struct wlContextCommon *p_wlCtx) +{ + destroy_cursors(p_wlCtx); + + if (p_wlCtx->pointer_surface) + wl_surface_destroy(p_wlCtx->pointer_surface); + + if (p_wlCtx->wlCompositor) + wl_compositor_destroy(p_wlCtx->wlCompositor); +} + +static void +destroyWLContextStruct(struct wlContextStruct *p_wlCtx) +{ + if (p_wlCtx->wlSurface) + wl_surface_destroy(p_wlCtx->wlSurface); + + if (p_wlCtx->ctx_image) { + cairo_surface_destroy(p_wlCtx->ctx_image); + p_wlCtx->ctx_image = NULL; + } +} + +static int +createSurface(struct wlContextStruct *p_wlCtx) +{ + p_wlCtx->wlSurface = + wl_compositor_create_surface(p_wlCtx->cmm->wlCompositor); + if (NULL == p_wlCtx->wlSurface) { + printf("Error: wl_compositor_create_surface failed.\n"); + destroyWLContextCommon(p_wlCtx->cmm); + abort(); + } + + return 0; +} + +static void +drawImage(struct wlContextStruct *p_wlCtx) +{ + struct wl_callback *callback; + + int width = 0; + int height = 0; + int stride = 0; + void *data = NULL; + + width = cairo_image_surface_get_width(p_wlCtx->ctx_image); + height = cairo_image_surface_get_height(p_wlCtx->ctx_image); + stride = cairo_image_surface_get_stride(p_wlCtx->ctx_image); + data = cairo_image_surface_get_data(p_wlCtx->ctx_image); + + memcpy(p_wlCtx->data, data, stride * height); + + wl_surface_attach(p_wlCtx->wlSurface, p_wlCtx->wlBuffer, 0, 0); + wl_surface_damage(p_wlCtx->wlSurface, 0, 0, width, height); + + callback = wl_surface_frame(p_wlCtx->wlSurface); + wl_callback_add_listener(callback, &frame_listener, NULL); + + wl_surface_commit(p_wlCtx->wlSurface); +} + +static void +create_ivisurface(struct wlContextStruct *p_wlCtx, + uint32_t id_surface, + cairo_surface_t *surface) +{ + struct ivi_surface *ivisurf = NULL; + + p_wlCtx->ctx_image = surface; + + p_wlCtx->id_surface = id_surface; + wl_list_init(&p_wlCtx->link); + wl_list_insert(&p_wlCtx->cmm->list_wlContextStruct, &p_wlCtx->link); + + createSurface(p_wlCtx); + createShmBuffer(p_wlCtx); + + ivisurf = ivi_application_surface_create(p_wlCtx->cmm->iviApplication, + id_surface, + p_wlCtx->wlSurface); + if (ivisurf == NULL) { + fprintf(stderr, "Failed to create ivi_client_surface\n"); + return; + } + + drawImage(p_wlCtx); +} + +static void +create_ivisurfaceFromFile(struct wlContextStruct *p_wlCtx, + uint32_t id_surface, + const char *imageFile) +{ + cairo_surface_t *surface = load_cairo_surface(imageFile); + + if (NULL == surface) { + fprintf(stderr, "Failed to load_cairo_surface %s\n", imageFile); + return; + } + + create_ivisurface(p_wlCtx, id_surface, surface); +} + +static void +set_hex_color(cairo_t *cr, uint32_t color) +{ + cairo_set_source_rgba(cr, + ((color >> 16) & 0xff) / 255.0, + ((color >> 8) & 0xff) / 255.0, + ((color >> 0) & 0xff) / 255.0, + ((color >> 24) & 0xff) / 255.0); +} + +static void +create_ivisurfaceFromColor(struct wlContextStruct *p_wlCtx, + uint32_t id_surface, + uint32_t width, uint32_t height, + uint32_t color) +{ + cairo_surface_t *surface = NULL; + cairo_t *cr = NULL; + + surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, + width, height); + + cr = cairo_create(surface); + cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE); + cairo_rectangle(cr, 0, 0, width, height); + set_hex_color(cr, color); + cairo_fill(cr); + cairo_destroy(cr); + + create_ivisurface(p_wlCtx, id_surface, surface); +} + +static void +UI_ready(struct ivi_hmi_controller *controller) +{ + ivi_hmi_controller_UI_ready(controller); +} + +/** + * Internal method to set up UI by using ivi-hmi-controller + */ +static void +create_background(struct wlContextStruct *p_wlCtx, const uint32_t id_surface, + const char *imageFile) +{ + create_ivisurfaceFromFile(p_wlCtx, id_surface, imageFile); +} + +static void +create_panel(struct wlContextStruct *p_wlCtx, const uint32_t id_surface, + const char *imageFile) +{ + create_ivisurfaceFromFile(p_wlCtx, id_surface, imageFile); +} + +static void +create_button(struct wlContextStruct *p_wlCtx, const uint32_t id_surface, + const char *imageFile, uint32_t number) +{ + create_ivisurfaceFromFile(p_wlCtx, id_surface, imageFile); +} + +static void +create_home_button(struct wlContextStruct *p_wlCtx, const uint32_t id_surface, + const char *imageFile) +{ + create_ivisurfaceFromFile(p_wlCtx, id_surface, imageFile); +} + +static void +create_workspace_background(struct wlContextStruct *p_wlCtx, + struct hmi_homescreen_srf *srf) +{ + create_ivisurfaceFromColor(p_wlCtx, srf->id, 1, 1, srf->color); +} + +static void +create_launchers(struct wlContextCommon *cmm, struct wl_list *launcher_list) +{ + struct hmi_homescreen_launcher **launchers; + struct hmi_homescreen_launcher *launcher = NULL; + + int launcher_count = wl_list_length(launcher_list); + int ii = 0; + int start = 0; + + if (0 == launcher_count) + return; + + launchers = MEM_ALLOC(launcher_count * sizeof(*launchers)); + + wl_list_for_each(launcher, launcher_list, link) { + launchers[ii] = launcher; + ii++; + } + + for (ii = 0; ii < launcher_count; ii++) { + int jj = 0; + + if (ii != launcher_count - 1 && + launchers[ii]->workspace_id == + launchers[ii + 1]->workspace_id) + continue; + + for (jj = start; jj <= ii; jj++) { + struct wlContextStruct *p_wlCtx; + + p_wlCtx = MEM_ALLOC(sizeof(*p_wlCtx)); + p_wlCtx->cmm = cmm; + create_ivisurfaceFromFile(p_wlCtx, + launchers[jj]->icon_surface_id, + launchers[jj]->icon); + } + + start = ii + 1; + } + + free(launchers); +} + +/** + * Internal method to read out weston.ini to get configuration + */ +static struct hmi_homescreen_setting * +hmi_homescreen_setting_create(void) +{ + struct weston_config *config = NULL; + struct weston_config_section *shellSection = NULL; + struct hmi_homescreen_setting *setting = MEM_ALLOC(sizeof(*setting)); + struct weston_config_section *section = NULL; + const char *name = NULL; + uint32_t workspace_layer_id; + uint32_t icon_surface_id = 0; + + wl_list_init(&setting->workspace_list); + wl_list_init(&setting->launcher_list); + + config = weston_config_parse("weston.ini"); + + shellSection = + weston_config_get_section(config, "ivi-shell", NULL, NULL); + + weston_config_section_get_string( + shellSection, "cursor-theme", &setting->cursor_theme, NULL); + + weston_config_section_get_int( + shellSection, "cursor-size", &setting->cursor_size, 32); + + weston_config_section_get_uint( + shellSection, "workspace-layer-id", &workspace_layer_id, 3000); + + weston_config_section_get_string( + shellSection, "background-image", &setting->background.filePath, + DATADIR "/weston/background.png"); + + weston_config_section_get_uint( + shellSection, "background-id", &setting->background.id, 1001); + + weston_config_section_get_string( + shellSection, "panel-image", &setting->panel.filePath, + DATADIR "/weston/panel.png"); + + weston_config_section_get_uint( + shellSection, "panel-id", &setting->panel.id, 1002); + + weston_config_section_get_string( + shellSection, "tiling-image", &setting->tiling.filePath, + DATADIR "/weston/tiling.png"); + + weston_config_section_get_uint( + shellSection, "tiling-id", &setting->tiling.id, 1003); + + weston_config_section_get_string( + shellSection, "sidebyside-image", &setting->sidebyside.filePath, + DATADIR "/weston/sidebyside.png"); + + weston_config_section_get_uint( + shellSection, "sidebyside-id", &setting->sidebyside.id, 1004); + + weston_config_section_get_string( + shellSection, "fullscreen-image", &setting->fullscreen.filePath, + DATADIR "/weston/fullscreen.png"); + + weston_config_section_get_uint( + shellSection, "fullscreen-id", &setting->fullscreen.id, 1005); + + weston_config_section_get_string( + shellSection, "random-image", &setting->random.filePath, + DATADIR "/weston/random.png"); + + weston_config_section_get_uint( + shellSection, "random-id", &setting->random.id, 1006); + + weston_config_section_get_string( + shellSection, "home-image", &setting->home.filePath, + DATADIR "/weston/home.png"); + + weston_config_section_get_uint( + shellSection, "home-id", &setting->home.id, 1007); + + weston_config_section_get_uint( + shellSection, "workspace-background-color", + &setting->workspace_background.color, 0x99000000); + + weston_config_section_get_uint( + shellSection, "workspace-background-id", + &setting->workspace_background.id, 2001); + + icon_surface_id = workspace_layer_id + 1; + + while (weston_config_next_section(config, §ion, &name)) { + struct hmi_homescreen_launcher *launcher; + + if (strcmp(name, "ivi-launcher") != 0) + continue; + + launcher = MEM_ALLOC(sizeof(*launcher)); + wl_list_init(&launcher->link); + + weston_config_section_get_string(section, "icon", + &launcher->icon, NULL); + weston_config_section_get_string(section, "path", + &launcher->path, NULL); + weston_config_section_get_uint(section, "workspace-id", + &launcher->workspace_id, 0); + weston_config_section_get_uint(section, "icon-id", + &launcher->icon_surface_id, + icon_surface_id); + icon_surface_id++; + + wl_list_insert(setting->launcher_list.prev, &launcher->link); + } + + weston_config_destroy(config); + return setting; +} + +/** + * Main thread + * + * The basic flow are as followed, + * 1/ read configuration from weston.ini by hmi_homescreen_setting_create + * 2/ draw png file to surface according to configuration of weston.ini and + * set up UI by using ivi-hmi-controller protocol by each create_* method + */ +int main(int argc, char **argv) +{ + struct wlContextCommon wlCtxCommon; + struct wlContextStruct wlCtx_BackGround; + struct wlContextStruct wlCtx_Panel; + struct wlContextStruct wlCtx_Button_1; + struct wlContextStruct wlCtx_Button_2; + struct wlContextStruct wlCtx_Button_3; + struct wlContextStruct wlCtx_Button_4; + struct wlContextStruct wlCtx_HomeButton; + struct wlContextStruct wlCtx_WorkSpaceBackGround; + struct wl_list launcher_wlCtxList; + int ret = 0; + struct hmi_homescreen_setting *hmi_setting; + struct wlContextStruct *pWlCtxSt = NULL; + + hmi_setting = hmi_homescreen_setting_create(); + + memset(&wlCtxCommon, 0x00, sizeof(wlCtxCommon)); + memset(&wlCtx_BackGround, 0x00, sizeof(wlCtx_BackGround)); + memset(&wlCtx_Panel, 0x00, sizeof(wlCtx_Panel)); + memset(&wlCtx_Button_1, 0x00, sizeof(wlCtx_Button_1)); + memset(&wlCtx_Button_2, 0x00, sizeof(wlCtx_Button_2)); + memset(&wlCtx_Button_3, 0x00, sizeof(wlCtx_Button_3)); + memset(&wlCtx_Button_4, 0x00, sizeof(wlCtx_Button_4)); + memset(&wlCtx_HomeButton, 0x00, sizeof(wlCtx_HomeButton)); + memset(&wlCtx_WorkSpaceBackGround, 0x00, + sizeof(wlCtx_WorkSpaceBackGround)); + wl_list_init(&launcher_wlCtxList); + wl_list_init(&wlCtxCommon.list_wlContextStruct); + + wlCtxCommon.hmi_setting = hmi_setting; + + wlCtxCommon.wlDisplay = wl_display_connect(NULL); + if (NULL == wlCtxCommon.wlDisplay) { + printf("Error: wl_display_connect failed.\n"); + return -1; + } + + /* get wl_registry */ + wlCtxCommon.formats = 0; + wlCtxCommon.wlRegistry = wl_display_get_registry(wlCtxCommon.wlDisplay); + wl_registry_add_listener(wlCtxCommon.wlRegistry, + ®istry_listener, &wlCtxCommon); + wl_display_roundtrip(wlCtxCommon.wlDisplay); + + if (wlCtxCommon.wlShm == NULL) { + fprintf(stderr, "No wl_shm global\n"); + exit(1); + } + + wl_display_roundtrip(wlCtxCommon.wlDisplay); + + if (!(wlCtxCommon.formats & (1 << WL_SHM_FORMAT_XRGB8888))) { + fprintf(stderr, "WL_SHM_FORMAT_XRGB32 not available\n"); + exit(1); + } + + if (wlCtxCommon.hmi_setting->cursor_theme) { + create_cursors(&wlCtxCommon); + + wlCtxCommon.pointer_surface = + wl_compositor_create_surface(wlCtxCommon.wlCompositor); + + wlCtxCommon.current_cursor = CURSOR_LEFT_PTR; + } + + wlCtx_BackGround.cmm = &wlCtxCommon; + wlCtx_Panel.cmm = &wlCtxCommon; + wlCtx_Button_1.cmm = &wlCtxCommon; + wlCtx_Button_2.cmm = &wlCtxCommon; + wlCtx_Button_3.cmm = &wlCtxCommon; + wlCtx_Button_4.cmm = &wlCtxCommon; + wlCtx_HomeButton.cmm = &wlCtxCommon; + wlCtx_WorkSpaceBackGround.cmm = &wlCtxCommon; + + /* create desktop widgets */ + create_background(&wlCtx_BackGround, hmi_setting->background.id, + hmi_setting->background.filePath); + + create_panel(&wlCtx_Panel, hmi_setting->panel.id, + hmi_setting->panel.filePath); + + create_button(&wlCtx_Button_1, hmi_setting->tiling.id, + hmi_setting->tiling.filePath, 0); + + create_button(&wlCtx_Button_2, hmi_setting->sidebyside.id, + hmi_setting->sidebyside.filePath, 1); + + create_button(&wlCtx_Button_3, hmi_setting->fullscreen.id, + hmi_setting->fullscreen.filePath, 2); + + create_button(&wlCtx_Button_4, hmi_setting->random.id, + hmi_setting->random.filePath, 3); + + create_workspace_background(&wlCtx_WorkSpaceBackGround, + &hmi_setting->workspace_background); + + create_launchers(&wlCtxCommon, &hmi_setting->launcher_list); + + create_home_button(&wlCtx_HomeButton, hmi_setting->home.id, + hmi_setting->home.filePath); + + UI_ready(wlCtxCommon.hmiCtrl); + + while(ret != -1) + ret = wl_display_dispatch(wlCtxCommon.wlDisplay); + + wl_list_for_each(pWlCtxSt, &wlCtxCommon.list_wlContextStruct, link) { + destroyWLContextStruct(pWlCtxSt); + } + + destroyWLContextCommon(&wlCtxCommon); + + return 0; +} |