history_local.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 local history using core windows.
 */
 
#include <stdint.h>
#include <stdlib.h>
 
#include <proto/intuition.h>
 
#include <classes/window.h>
#include <gadgets/button.h>
#include <gadgets/layout.h>
#include <gadgets/scroller.h>
#include <gadgets/space.h>
#include <images/label.h>
 
#include <intuition/icclass.h>
#include <reaction/reaction_macros.h>
 
#include "utils/log.h"
#include "netsurf/keypress.h"
#include "netsurf/plotters.h"
#include "desktop/local_history.h"
#include "utils/messages.h"
#include "utils/nsoption.h"
#include "utils/nsurl.h"
 
#include "amiga/corewindow.h"
#include "amiga/gui.h"
#include "amiga/libs.h"
#include "amiga/history_local.h"
#include "amiga/utf8.h"
 
 
/**
 * Amiga local history viewing window context
 */
struct ami_history_local_window {
        /** Amiga core window context */
        struct ami_corewindow core;
 
        /** Amiga GUI stuff */
        struct gui_window *gw;
 
        /** local history viewer context data */
        struct local_history_session *session;
};
 
static struct ami_history_local_window *history_local_window = NULL;
 
/**
 * destroy a previously created local history view
 */
nserror
ami_history_local_destroy(struct ami_history_local_window *history_local_win)
{
        nserror res;
 
        if (history_local_win == NULL) {
                return NSERROR_OK;
        }
 
        res = local_history_fini(history_local_win->session);
        if (res == NSERROR_OK) {
                ami_gui_set_history_window(history_local_win->gw, NULL);
                res = ami_corewindow_fini(&history_local_win->core); /* closes the window for us */
                history_local_window = NULL;
        }
        return res;
}
 
static void ami_history_local_destroy_cw(struct ami_corewindow *ami_cw)
{
        struct ami_history_local_window *history_local_win;
        /* technically degenerate container of */
        history_local_win = (struct ami_history_local_window *)ami_cw;
 
        ami_history_local_destroy(history_local_win);
}
 
/**
 * callback for mouse action for local history 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_local_mouse(struct ami_corewindow *ami_cw,
                                        browser_mouse_state mouse_state,
                                        int x, int y)
{
        struct ami_history_local_window *history_local_win;
        /* technically degenerate container of */
        history_local_win = (struct ami_history_local_window *)ami_cw;
 
        nsurl *url;
 
        if(local_history_get_url(history_local_win->session, x, y, &url) == NSERROR_OK) {
                if (url == NULL) {
                        SetGadgetAttrs(
                                (struct Gadget *)ami_cw->objects[GID_CW_DRAW],
                                ami_cw->win,
                                NULL,
                                GA_HintInfo,
                                NULL,
                                TAG_DONE);
                } else {
                        SetGadgetAttrs(
                                (struct Gadget *)ami_cw->objects[GID_CW_DRAW],
                                ami_cw->win,
                                NULL,
                                GA_HintInfo,
                                nsurl_access(url),
                                TAG_DONE);
                        nsurl_unref(url);
                }
        }
 
        local_history_mouse_action(history_local_win->session, mouse_state, x, y);
 
        return NSERROR_OK;
}
 
/**
 * callback for keypress for local history 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_local_key(struct ami_corewindow *ami_cw, uint32_t nskey)
{
        struct ami_history_local_window *history_local_win;
 
        /* technically degenerate container of */
        history_local_win = (struct ami_history_local_window *)ami_cw;
 
        if (local_history_keypress(history_local_win->session, nskey)) {
                        return NSERROR_OK;
        }
        return NSERROR_NOT_IMPLEMENTED;
}
 
/**
 * callback on draw event for certificate verify on core window
 *
 * \param ami_cw The Amiga core window structure.
 * \param x the x coordinate to draw
 * \param y the y coordinate to draw
 * \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_local_draw(struct ami_corewindow *ami_cw, int x, int y, struct rect *r, struct redraw_context *ctx)
{
        struct ami_history_local_window *history_local_win;
 
        /* technically degenerate container of */
        history_local_win = (struct ami_history_local_window *)ami_cw;
 
        //ctx->plot->clip(ctx, r); //??
        local_history_redraw(history_local_win->session, x, y, r, ctx);
 
        return NSERROR_OK;
}
 
static nserror
ami_history_local_create_window(struct ami_history_local_window *history_local_win)
{
        struct ami_corewindow *ami_cw = (struct ami_corewindow *)&history_local_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_Width, 100,
                WA_Height, 100,
                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_local_win,
//              WINDOW_MenuStrip, NULL,
                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/history_local.h */
nserror ami_history_local_present(struct gui_window *gw)
{
        struct ami_history_local_window *ncwin;
        nserror res;
        int width, height;
 
        if(history_local_window != NULL) {
                //windowtofront()
 
                if (ami_gui_get_history_window(gw) != NULL) {
                        res = local_history_set(ami_gui_get_history_window(gw)->session, ami_gui_get_browser_window(gw));
                        return res;
                }
 
                return NSERROR_OK;
        }
 
        ncwin = calloc(1, sizeof(struct ami_history_local_window));
        if (ncwin == NULL) {
                return NSERROR_NOMEM;
        }
 
        ncwin->core.wintitle = ami_utf8_easy((char *)messages_get("History"));
 
        res = ami_history_local_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_local_draw;
        ncwin->core.key = ami_history_local_key;
        ncwin->core.mouse = ami_history_local_mouse;
        ncwin->core.close = ami_history_local_destroy_cw;
        ncwin->core.event = NULL;
        ncwin->core.drag_end = NULL;
        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 = local_history_init(ncwin->core.cb_table,
                                 (struct core_window *)ncwin,
                                 ami_gui_get_browser_window(gw),
                                 &ncwin->session);
        if (res != NSERROR_OK) {
                ami_utf8_free(ncwin->core.wintitle);
                DisposeObject(ncwin->core.objects[GID_CW_WIN]);
                free(ncwin);
                return res;
        }
 
        res = local_history_get_size(ncwin->session,
                                             &width,
                                             &height);
 
        /*TODO: Adjust these to account for window borders */
 
        SetAttrs(ncwin->core.objects[GID_CW_WIN],
                WA_Width, width,
                WA_Height, height,
                TAG_DONE);
 
        ncwin->gw = gw;
        history_local_window = ncwin;
        ami_gui_set_history_window(gw, ncwin);
 
        local_history_scroll_to_cursor(ncwin->session);
 
        return NSERROR_OK;
}