diff options
Diffstat (limited to 'frontends/windows/download.c')
-rw-r--r-- | frontends/windows/download.c | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/frontends/windows/download.c b/frontends/windows/download.c new file mode 100644 index 000000000..b281ea76a --- /dev/null +++ b/frontends/windows/download.c @@ -0,0 +1,346 @@ +/* + * Copyright 2009 Mark Benjamin <netsurf-browser.org.MarkBenjamin@dfgh.net> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <limits.h> + +#include "utils/config.h" + +#include <shlobj.h> +#include <windows.h> + +#include "utils/sys_time.h" +#include "utils/log.h" +#include "utils/messages.h" +#include "utils/url.h" +#include "utils/nsurl.h" +#include "utils/utils.h" +#include "utils/string.h" +#include "content/fetch.h" +#include "desktop/gui_download.h" +#include "desktop/download.h" + +#include "windows/download.h" +#include "windows/window.h" +#include "windows/gui.h" +#include "windows/resourceid.h" +#include "windows/schedule.h" + +struct gui_download_window { + HWND hwnd; + char *title; + char *filename; + char *domain; + char *time_left; + char *total_size; + char *original_total_size; + int size; + int downloaded; + unsigned int progress; + int time_remaining; + struct timeval start_time; + int speed; + int error; + struct gui_window *window; + FILE *file; + download_status status; +}; + +static bool downloading = false; +static struct gui_download_window *download1; + +BOOL CALLBACK nsws_download_event_callback(HWND hwnd, UINT msg, WPARAM wparam, + LPARAM lparam); +static void nsws_download_update_label(void *p); +static void nsws_download_update_progress(void *p); +static void nsws_download_clear_data(struct gui_download_window *w); + +static bool nsws_download_window_up(struct gui_download_window *w) +{ + w->hwnd = CreateDialog(hInstance, MAKEINTRESOURCE(IDD_DLG_DOWNLOAD), + gui_window_main_window(w->window), + nsws_download_event_callback); + if (w->hwnd == NULL) { + return false; + } + ShowWindow(w->hwnd, SW_SHOW); + return true; +} + +static struct gui_download_window * +gui_download_window_create(download_context *ctx, struct gui_window *gui) +{ + if (downloading) { + /* initial implementation */ + win32_warning("1 download at a time please", 0); + return NULL; + } + downloading = true; + struct gui_download_window *w = + malloc(sizeof(struct gui_download_window)); + if (w == NULL) { + win32_warning(messages_get("NoMemory"), 0); + return NULL; + } + int total_size = download_context_get_total_length(ctx); + char *domain, *filename, *destination; + nsurl *url = download_context_get_url(ctx); + bool unknown_size = (total_size == 0); + const char *size = (unknown_size) ? + messages_get("UnknownSize") : + human_friendly_bytesize(total_size); + + if (nsurl_nice(url, &filename, false) != NSERROR_OK) { + filename = strdup(messages_get("UnknownFile")); + } + if (filename == NULL) { + win32_warning(messages_get("NoMemory"), 0); + free(w); + return NULL; + } + + if (nsurl_has_component(url, NSURL_HOST)) { + domain = strdup(lwc_string_data(nsurl_get_component(url, NSURL_HOST))); + } else { + domain = strdup(messages_get("UnknownHost")); + } + if (domain == NULL) { + win32_warning(messages_get("NoMemory"), 0); + free(filename); + free(w); + return NULL; + } + destination = malloc(PATH_MAX); + if (destination == NULL) { + win32_warning(messages_get("NoMemory"), 0); + free(domain); + free(filename); + free(w); + return NULL; + } + SHGetFolderPath(NULL, CSIDL_DESKTOP, NULL, SHGFP_TYPE_CURRENT, + destination); + if (strlen(destination) < PATH_MAX - 2) + strcat(destination, "/"); + if (strlen(destination) + strlen(filename) < PATH_MAX - 1) + strcat(destination, filename); + LOG("download %s [%s] from %s to %s", filename, size, domain, destination); + w->title = filename; + w->domain = domain; + w->size = total_size; + w->total_size = strdup(size); + if (w->total_size == NULL) { + win32_warning(messages_get("NoMemory"), 0); + free(destination); + free(domain); + free(filename); + free(w); + return NULL; + } + w->downloaded = 0; + w->speed = 0; + gettimeofday(&(w->start_time), NULL); + w->time_remaining = -1; + w->time_left = NULL; + w->status = DOWNLOAD_NONE; + w->filename = destination; + w->progress = 0; + w->error = 0; + w->window = gui; + w->file = fopen(destination, "wb"); + if (w->file == NULL) { + win32_warning(messages_get("FileOpenWriteError"), destination); + free(destination); + free(domain); + free(filename); + free(w->total_size); + free(w->time_left); + free(w); + return NULL; + } + download1 = w; + + if (nsws_download_window_up(w) == false) { + win32_warning(messages_get("NoMemory"), 0); + free(destination); + free(domain); + free(filename); + free(w->total_size); + free(w->time_left); + free(w); + return NULL; + } + return w; +} + + +BOOL CALLBACK nsws_download_event_callback(HWND hwnd, UINT msg, WPARAM wparam, + LPARAM lparam) +{ + HWND sub; + switch(msg){ + case WM_INITDIALOG: + sub = GetDlgItem(hwnd, IDC_DOWNLOAD_LABEL); + nsws_download_update_label((void *)download1); + nsws_download_update_progress((void *)download1); + return TRUE; + case WM_COMMAND: + switch(LOWORD(wparam)) { + case IDOK: + if (download1->downloaded != download1->size) + return TRUE; + case IDCANCEL: + nsws_download_clear_data(download1); + download1 = NULL; + downloading = false; + EndDialog(hwnd, IDCANCEL); + return FALSE; + } + } + return FALSE; +} + +void nsws_download_update_label(void *p) +{ + struct gui_download_window *w = p; + if (w->hwnd == NULL) { + win32_schedule(-1, nsws_download_update_label, p); + return; + } + HWND sub = GetDlgItem(w->hwnd, IDC_DOWNLOAD_LABEL); + char *size = human_friendly_bytesize(w->downloaded); + int i = 0, temp = w->time_remaining; + if (temp == -1) { + w->time_left = strdup(messages_get("UnknownSize")); + i = strlen(w->time_left); + } else { + do { + temp = temp / 10; + i++; + } while (temp > 2); + w->time_left = malloc(i + SLEN(" s") + 1); + if (w->time_left != NULL) { + if (w->time_remaining > 3600) + sprintf(w->time_left, "%d h", + w->time_remaining / 3600); + else if (w->time_remaining > 60) + sprintf(w->time_left, "%d m", + w->time_remaining / 60); + else + sprintf(w->time_left, "%d s", + w->time_remaining); + } + } + char label[strlen(w->title) + strlen(size) + strlen(w->total_size) + + + strlen(w->domain) + strlen(w->filename) + + SLEN("download from to \n[\t/\t]\n estimate of time" + " remaining ") + i + 1]; + sprintf(label, "download %s from %s to %s\n[%s\t/\t%s] [%d%%]\n" + "estimate of time remaining %s", w->title, w->domain, + w->filename, size, w->total_size, w->progress / 100, + w->time_left); + if (w->time_left != NULL) { + free(w->time_left); + w->time_left = NULL; + } + SendMessage(sub, WM_SETTEXT, (WPARAM)0, (LPARAM)label); + if (w->progress < 10000) { + win32_schedule(500, nsws_download_update_label, p); + } +} + +void nsws_download_update_progress(void *p) +{ + struct gui_download_window *w = p; + if (w->hwnd == NULL) { + win32_schedule(-1, nsws_download_update_progress, p); + return; + } + HWND sub = GetDlgItem(w->hwnd, IDC_DOWNLOAD_PROGRESS); + SendMessage(sub, PBM_SETPOS, (WPARAM)(w->progress / 100), 0); + if (w->progress < 10000) { + win32_schedule(500, nsws_download_update_progress, p); + } +} + +void nsws_download_clear_data(struct gui_download_window *w) +{ + if (w == NULL) + return; + if (w->title != NULL) + free(w->title); + if (w->filename != NULL) + free(w->filename); + if (w->domain != NULL) + free(w->domain); + if (w->time_left != NULL) + free(w->time_left); + if (w->total_size != NULL) + free(w->total_size); + if (w->file != NULL) + fclose(w->file); + win32_schedule(-1, nsws_download_update_progress, (void *)w); + win32_schedule(-1, nsws_download_update_label, (void *)w); +} + + +static nserror +gui_download_window_data(struct gui_download_window *w, const char *data, + unsigned int size) +{ + if ((w == NULL) || (w->file == NULL)) + return NSERROR_SAVE_FAILED; + size_t res; + struct timeval val; + res = fwrite((void *)data, 1, size, w->file); + if (res != size) + LOG("file write error %d of %d", size - res, size); + w->downloaded += res; + w->progress = (unsigned int)(((long long)(w->downloaded) * 10000) + / w->size); + gettimeofday(&val, NULL); + w->time_remaining = (w->progress == 0) ? -1 : + (int)((val.tv_sec - w->start_time.tv_sec) * + (10000 - w->progress) / w->progress); + return NSERROR_OK; +} + +static void gui_download_window_error(struct gui_download_window *w, + const char *error_msg) +{ + LOG("error %s", error_msg); +} + +static void gui_download_window_done(struct gui_download_window *w) +{ + if (w == NULL) + return; + downloading = false; + if (w->hwnd != NULL) + EndDialog(w->hwnd, IDOK); + nsws_download_clear_data(w); +} + +static struct gui_download_table download_table = { + .create = gui_download_window_create, + .data = gui_download_window_data, + .error = gui_download_window_error, + .done = gui_download_window_done, +}; + +struct gui_download_table *win32_download_table = &download_table; + |