history.c

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/*
 * Copyright 2017 Chris Young <chris@unsatisfactorysoftware.co.uk>
 *
 * 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/>.
 */
 
/**
 * \file
 * Implementation of Amiga global history viewer using core windows.
 */
 
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
 
#include <proto/asl.h>
#include <proto/dos.h>
#include <proto/intuition.h>
 
#include <classes/window.h>
#include <gadgets/layout.h>
#include <gadgets/space.h>
 
#include <reaction/reaction_macros.h>
 
#include "desktop/global_history.h"
#include "netsurf/browser_window.h"
#include "netsurf/keypress.h"
#include "netsurf/plotters.h"
#include "utils/log.h"
#include "utils/messages.h"
#include "utils/nsoption.h"
 
#include "amiga/corewindow.h"
#include "amiga/drag.h"
#include "amiga/file.h"
#include "amiga/history.h"
#include "amiga/libs.h"
#include "amiga/menu.h"
#include "amiga/theme.h"
#include "amiga/utf8.h"
 
enum {
        /* Project menu */
        AMI_HISTORY_M_PROJECT = 0,
         AMI_HISTORY_M_EXPORT,
         AMI_HISTORY_M_BAR_P1,
         AMI_HISTORY_M_EXPAND,
          AMI_HISTORY_M_EXPAND_ALL,
          AMI_HISTORY_M_EXPAND_FOLDERS,
          AMI_HISTORY_M_EXPAND_LINKS,
         AMI_HISTORY_M_COLLAPSE,
          AMI_HISTORY_M_COLLAPSE_ALL,
          AMI_HISTORY_M_COLLAPSE_FOLDERS,
          AMI_HISTORY_M_COLLAPSE_LINKS,
         AMI_HISTORY_M_BAR_P2,
         AMI_HISTORY_M_SNAPSHOT,
         AMI_HISTORY_M_BAR_P3,
         AMI_HISTORY_M_CLOSE,
        /* Edit menu */
        AMI_HISTORY_M_EDIT,
         AMI_HISTORY_M_SELECTALL,
         AMI_HISTORY_M_CLEAR,
         AMI_HISTORY_M_BAR_E1,
         AMI_HISTORY_M_DELETE,
        AMI_HISTORY_M_LAST
};
 
/**
 * Amiga history viewer window context
 */
struct ami_history_global_window {
        /** Amiga core window context */
        struct ami_corewindow core;
 
        struct ami_menu_data *menu_data[AMI_HISTORY_M_LAST + 1];
        struct Menu *imenu; /* Intuition menu */
};
 
static struct ami_history_global_window *history_window = NULL;
 
 
static void
ami_history_global_menu_free(struct ami_history_global_window *history_win)
{
        SetAttrs(history_win->core.objects[GID_CW_WIN],
                WINDOW_MenuStrip, NULL,
        TAG_DONE);
        
        ami_menu_free_menu(history_win->menu_data, AMI_HISTORY_M_LAST, history_win->imenu);
}
 
/**
 * destroy a previously created history view
 */
static void
ami_history_global_destroy(struct ami_corewindow *ami_cw)
{
        nserror res;
 
        if(history_window == NULL)
                return;
 
        res = global_history_fini();
        if (res == NSERROR_OK) {
                ami_history_global_menu_free(history_window);
                res = ami_corewindow_fini(&history_window->core); /* closes the window for us, frees history_win */
                history_window = NULL;
        }
}
 
 
/**
 * callback for mouse action for history viewer on core window
 *
 * \param ami_cw The Amiga core window structure.
 * \param mouse_state netsurf mouse state on event
 * \param x location of event
 * \param y location of event
 * \return NSERROR_OK on success otherwise apropriate error code
 */
static nserror
ami_history_global_mouse(struct ami_corewindow *ami_cw,
                                        browser_mouse_state mouse_state,
                                        int x, int y)
{
        global_history_mouse_action(mouse_state, x, y);
 
        return NSERROR_OK;
}
 
/**
 * callback for keypress for history viewer on core window
 *
 * \param ami_cw The Amiga core window structure.
 * \param nskey The netsurf key code
 * \return NSERROR_OK on success otherwise apropriate error code
 */
static nserror
ami_history_global_key(struct ami_corewindow *ami_cw, uint32_t nskey)
{
        if (global_history_keypress(nskey)) {
                        return NSERROR_OK;
        }
        return NSERROR_NOT_IMPLEMENTED;
}
 
/**
 * callback on draw event for history viewer on core window
 *
 * \param ami_cw The Amiga core window structure.
 * \param x The x coordinate of global history area to redraw
 * \param y The y coordinate of global history area to redraw
 * \param r The rectangle of the window that needs updating.
 * \param ctx The drawing context
 * \return NSERROR_OK on success otherwise apropriate error code
 */
static nserror
ami_history_global_draw(struct ami_corewindow *ami_cw,
                        int x, int y, struct rect *r,
                        struct redraw_context *ctx)
{
        global_history_redraw(x, y, r, ctx);
 
        return NSERROR_OK;
}
 
/**
 * callback on drag end for history viewer
 *
 * \param ami_cw The Amiga core window structure.
 * \param x mouse x co-ordinate
 * \param y mouse y co-ordinate
 * \return NSERROR_OK on success otherwise apropriate error code
 */
static nserror
ami_history_global_drag_end(struct ami_corewindow *ami_cw, int x, int y)
{
        struct nsurl *url = NULL;
        const char *title = NULL;
        bool ok = false;
        struct gui_window_2 *gwin;
        struct ami_corewindow *cw;
 
        if(global_history_has_selection()) {
                ok = global_history_get_selection(&url, &title);
        }
        
        if((ok == false) || (url == NULL)) {
                ami_gui_beep();
        } else if(url) {
                if((gwin = ami_window_at_pointer(AMINS_WINDOW))) {
                        browser_window_navigate(ami_gui2_get_browser_window(gwin),
                                        url,
                                        NULL,
                                        BW_NAVIGATE_HISTORY,
                                        NULL,
                                        NULL,
                                        NULL);
                } else if((cw = (struct ami_corewindow *)ami_window_at_pointer(AMINS_COREWINDOW)) &&
                        (ami_cw->icon_drop != NULL)) {
                        cw->icon_drop(cw, url, title, x, y);
                }
        }
        return NSERROR_OK;
}
 
/**
 * menu stuff
 */
 
 /* menu hook functions */
HOOKF(void, ami_history_global_menu_item_project_export, APTR, window, struct IntuiMessage *)
{
        char fname[1024];
        struct ami_corewindow *ami_cw;
        GetAttr(WINDOW_UserData, (Object *)window, (ULONG *)&ami_cw);
 
        if(AslRequestTags(savereq,
                ASLFR_Window, ami_cw->win,
                ASLFR_SleepWindow, TRUE,
                ASLFR_TitleText, messages_get("NetSurf"),
                ASLFR_Screen, ami_gui_get_screen(),
                ASLFR_InitialFile, "history.html",
                TAG_DONE)) {
                        strlcpy(fname, savereq->fr_Drawer, 1024);
                        AddPart(fname, savereq->fr_File, 1024);
                        ami_update_pointer(ami_cw->win, GUI_POINTER_WAIT);
                        global_history_export(fname, NULL);
                        ami_update_pointer(ami_cw->win, GUI_POINTER_DEFAULT);
        }
}
                                                                        
HOOKF(void, ami_history_global_menu_item_project_expand_all, APTR, window, struct IntuiMessage *)
{
        global_history_expand(false);
}
 
HOOKF(void, ami_history_global_menu_item_project_expand_folders, APTR, window, struct IntuiMessage *)
{
        global_history_expand(true);
}
 
HOOKF(void, ami_history_global_menu_item_project_expand_links, APTR, window, struct IntuiMessage *)
{
        global_history_expand(false);
}
 
HOOKF(void, ami_history_global_menu_item_project_collapse_all, APTR, window, struct IntuiMessage *)
{
        global_history_contract(true);
}
 
HOOKF(void, ami_history_global_menu_item_project_collapse_folders, APTR, window, struct IntuiMessage *)
{
        global_history_contract(true);
}
 
HOOKF(void, ami_history_global_menu_item_project_collapse_links, APTR, window, struct IntuiMessage *)
{
        global_history_contract(false);
}
 
HOOKF(void, ami_history_global_menu_item_project_snapshot, APTR, window, struct IntuiMessage *)
{
        struct ami_corewindow *ami_cw;
        GetAttr(WINDOW_UserData, (Object *)window, (ULONG *)&ami_cw);
 
        nsoption_set_int(history_window_ypos, ami_cw->win->TopEdge);
        nsoption_set_int(history_window_xpos, ami_cw->win->LeftEdge);
        nsoption_set_int(history_window_xsize, ami_cw->win->Width);
        nsoption_set_int(history_window_ysize, ami_cw->win->Height);
}
 
HOOKF(void, ami_history_global_menu_item_project_close, APTR, window, struct IntuiMessage *)
{
        struct ami_corewindow *ami_cw;
        GetAttr(WINDOW_UserData, (Object *)window, (ULONG *)&ami_cw);
        
        ami_cw->close_window = true;
}
 
HOOKF(void, ami_history_global_menu_item_edit_select_all, APTR, window, struct IntuiMessage *)
{
        global_history_keypress(NS_KEY_SELECT_ALL);
}
 
HOOKF(void, ami_history_global_menu_item_edit_clear, APTR, window, struct IntuiMessage *)
{
        global_history_keypress(NS_KEY_CLEAR_SELECTION);
}
 
HOOKF(void, ami_history_global_menu_item_edit_delete, APTR, window, struct IntuiMessage *)
{
        global_history_keypress(NS_KEY_DELETE_LEFT);
}
 
 
/* menu setup */
 
static void ami_history_global_menulabs(struct ami_menu_data **md)
{
        ami_menu_alloc_item(md, AMI_HISTORY_M_PROJECT, NM_TITLE, "Tree", NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_EXPORT,   NM_ITEM, "TreeExport", "S", "TBImages:list_save",
                ami_history_global_menu_item_project_export, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_BAR_P1, NM_ITEM, NM_BARLABEL, NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_EXPAND,   NM_ITEM, "Expand", NULL, "TBImages:list_folderunfold", NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_EXPAND_ALL,   NM_SUB, "All", "+", NULL,
                ami_history_global_menu_item_project_expand_all, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_EXPAND_FOLDERS,   NM_SUB, "Folders", NULL, NULL,
                ami_history_global_menu_item_project_expand_folders, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_EXPAND_LINKS,   NM_SUB, "Links", NULL, NULL,
                ami_history_global_menu_item_project_expand_links, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_COLLAPSE,   NM_ITEM, "Collapse", NULL, "TBImages:list_folderfold", NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_COLLAPSE_ALL,   NM_SUB, "All", "-", NULL,
                ami_history_global_menu_item_project_collapse_all, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_COLLAPSE_FOLDERS,   NM_SUB, "Folders", NULL, NULL,
                ami_history_global_menu_item_project_collapse_folders, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_COLLAPSE_LINKS,   NM_SUB, "Links", NULL, NULL,
                ami_history_global_menu_item_project_collapse_links, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_BAR_P2, NM_ITEM, NM_BARLABEL, NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_SNAPSHOT,   NM_ITEM, "SnapshotWindow", NULL, "TBImages:list_hold",
                ami_history_global_menu_item_project_snapshot, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_BAR_P3, NM_ITEM, NM_BARLABEL, NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_CLOSE,   NM_ITEM, "CloseWindow", "K", "TBImages:list_cancel",
                ami_history_global_menu_item_project_close, NULL, 0);
 
        ami_menu_alloc_item(md, AMI_HISTORY_M_EDIT, NM_TITLE, "Edit", NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_SELECTALL,   NM_ITEM, "SelectAllNS", "A", NSA_SPACE,
                ami_history_global_menu_item_edit_select_all, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_CLEAR,   NM_ITEM, "ClearNS", NULL, NSA_SPACE,
                ami_history_global_menu_item_edit_clear, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_BAR_E1, NM_ITEM, NM_BARLABEL, NULL, NULL, NULL, NULL, 0);
        ami_menu_alloc_item(md, AMI_HISTORY_M_DELETE,   NM_ITEM, "TreeDelete", "Del", "TBImages:list_delete",
                ami_history_global_menu_item_edit_delete, NULL, 0);
 
        ami_menu_alloc_item(md, AMI_HISTORY_M_LAST,   NM_END, NULL, NULL, NULL, NULL, NULL, 0);
}
 
static struct Menu *
ami_history_global_menu_create(struct ami_history_global_window *history_win)
{
        ami_history_global_menulabs(history_win->menu_data);
        history_win->imenu = ami_menu_layout(history_win->menu_data, AMI_HISTORY_M_LAST);
        if(history_win->imenu == NULL) return NULL;
 
        return history_win->imenu;
}
 
 
static nserror
ami_history_global_create_window(struct ami_history_global_window *history_win)
{
        struct ami_corewindow *ami_cw = (struct ami_corewindow *)&history_win->core;
        ULONG refresh_mode = WA_SmartRefresh;
 
        if(nsoption_bool(window_simple_refresh) == true) {
                refresh_mode = WA_SimpleRefresh;
        }
 
        ami_cw->objects[GID_CW_WIN] = WindowObj,
            WA_ScreenTitle, ami_gui_get_screen_title(),
        WA_Title, ami_cw->wintitle,
        WA_Activate, TRUE,
        WA_DepthGadget, TRUE,
        WA_DragBar, TRUE,
        WA_CloseGadget, TRUE,
        WA_SizeGadget, TRUE,
                WA_SizeBRight, TRUE,
                WA_Top, nsoption_int(history_window_ypos),
                WA_Left, nsoption_int(history_window_xpos),
                WA_Width, nsoption_int(history_window_xsize),
                WA_Height, nsoption_int(history_window_ysize),
                WA_PubScreen, ami_gui_get_screen(),
                WA_ReportMouse, TRUE,
                refresh_mode, TRUE,
                WA_IDCMP, IDCMP_MOUSEMOVE | IDCMP_MOUSEBUTTONS | IDCMP_NEWSIZE |
                                IDCMP_RAWKEY | IDCMP_GADGETUP | IDCMP_IDCMPUPDATE |
                                IDCMP_EXTENDEDMOUSE | IDCMP_SIZEVERIFY | IDCMP_REFRESHWINDOW,
                WINDOW_IDCMPHook, &ami_cw->idcmp_hook,
                WINDOW_IDCMPHookBits, IDCMP_IDCMPUPDATE | IDCMP_EXTENDEDMOUSE |
                                IDCMP_SIZEVERIFY | IDCMP_REFRESHWINDOW,
                WINDOW_SharedPort, ami_gui_get_shared_msgport(),
                WINDOW_HorizProp, 1,
                WINDOW_VertProp, 1,
                WINDOW_UserData, history_win,
                WINDOW_MenuStrip, ami_history_global_menu_create(history_win),
                WINDOW_MenuUserData, WGUD_HOOK,
                WINDOW_IconifyGadget, FALSE,
                WINDOW_Position, WPOS_CENTERSCREEN,
                WINDOW_ParentGroup, ami_cw->objects[GID_CW_MAIN] = LayoutVObj,
                        LAYOUT_AddChild, ami_cw->objects[GID_CW_DRAW] = SpaceObj,
                                GA_ID, GID_CW_DRAW,
                                SPACE_Transparent, TRUE,
                                SPACE_BevelStyle, BVS_DISPLAY,
                                GA_RelVerify, TRUE,
                        SpaceEnd,
                EndGroup,
        EndWindow;
 
        if(ami_cw->objects[GID_CW_WIN] == NULL) {
                return NSERROR_NOMEM;
        }
 
        return NSERROR_OK;
}
 
/* exported interface documented in amiga/cookies.h */
nserror ami_history_global_present(void)
{
        struct ami_history_global_window *ncwin;
        nserror res;
 
        if(history_window != NULL) {
                //windowtofront()
                return NSERROR_OK;
        }
 
        ncwin = calloc(1, sizeof(struct ami_history_global_window));
        if (ncwin == NULL) {
                return NSERROR_NOMEM;
        }
 
        ncwin->core.wintitle = ami_utf8_easy((char *)messages_get("GlobalHistory"));
 
        res = ami_history_global_create_window(ncwin);
        if (res != NSERROR_OK) {
                NSLOG(netsurf, INFO, "SSL UI builder init failed");
                ami_utf8_free(ncwin->core.wintitle);
                free(ncwin);
                return res;
        }
 
        /* initialise Amiga core window */
        ncwin->core.draw = ami_history_global_draw;
        ncwin->core.key = ami_history_global_key;
        ncwin->core.mouse = ami_history_global_mouse;
        ncwin->core.close = ami_history_global_destroy;
        ncwin->core.event = NULL;
        ncwin->core.drag_end = ami_history_global_drag_end;
        ncwin->core.icon_drop = NULL;
 
        res = ami_corewindow_init(&ncwin->core);
        if (res != NSERROR_OK) {
                ami_utf8_free(ncwin->core.wintitle);
                DisposeObject(ncwin->core.objects[GID_CW_WIN]);
                free(ncwin);
                return res;
        }
 
        res = global_history_init((struct core_window *)ncwin);
        if (res != NSERROR_OK) {
                ami_utf8_free(ncwin->core.wintitle);
                DisposeObject(ncwin->core.objects[GID_CW_WIN]);
                free(ncwin);
                return res;
        }
 
        history_window = ncwin;
 
        return NSERROR_OK;
}