summaryrefslogtreecommitdiffstats
path: root/src/wm_layer_control.cpp
blob: c5c7913a40cdf27b839c6221a9a898d14bfc1e5d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
/*
 * Copyright (c) 2017 TOYOTA MOTOR CORPORATION
 * Copyright (c) 2018 Konsulko Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <assert.h>
#include <unistd.h>
#include "wm_layer_control.hpp"
#include "wm_layer.hpp"
#include "wm_client.hpp"
#include "request.hpp"
#include "json_helper.hpp"

#define LC_AREA_FILE "areas.json"
#define LC_LAYER_SETTING_FILE "layers.json"
#define LC_DEFAULT_AREA "fullscreen"
#define BACK_GROUND_LAYER "BackGroundLayer"

using std::string;
using std::vector;
using std::shared_ptr;

namespace wm {

LayerControl* g_lc_ctxt;

static void createCallback_static(ilmObjectType object,
                            t_ilm_uint id,
                            t_ilm_bool created,
                            void* data)
{
    static_cast<LayerControl*>(data)->dispatchCreateEvent(object, id, created);
}

static void surfaceCallback_static(t_ilm_surface surface,
            struct ilmSurfaceProperties* surface_prop,
            t_ilm_notification_mask mask)
{
    g_lc_ctxt->dispatchSurfacePropChangeEvent(surface, surface_prop, mask);
}

static void layerCallback_static(t_ilm_layer layer,
            struct ilmLayerProperties* layer_prop,
            t_ilm_notification_mask mask)
{
    g_lc_ctxt->dispatchLayerPropChangeEvent(layer, layer_prop, mask);
}

LayerControl::LayerControl(const std::string& root)
{
    string area_path(get_file_path(LC_AREA_FILE, root.c_str()));
    string layer_path(get_file_path(LC_LAYER_SETTING_FILE, root.c_str()));
    // load layers.setting.json
    WMError ret = this->loadLayerSetting(layer_path);
    assert(ret == WMError::SUCCESS);
    // load areas.json
    ret = this->loadAreaDb(area_path);
    assert(ret == WMError::SUCCESS);
}

WMError LayerControl::init(const LayerControlCallbacks& cb)
{
    HMI_DEBUG("Initialize of ilm library and display");
    t_ilm_uint num = 0;
    t_ilm_uint *ids;
    int cnt = 0;
    ilmErrorTypes rc = ilm_init();

    while (rc != ILM_SUCCESS)
    {
        cnt++;
        if (20 <= cnt)
        {
            HMI_ERROR("Could not connect to compositor");
            goto lc_init_error;
        }
        HMI_ERROR("Wait to start weston ...");
        sleep(1);
        rc = ilm_init();
    }
    if(rc != ILM_SUCCESS) goto lc_init_error;

    // Get current screen setting
    rc = ilm_getScreenIDs(&num, &ids);

    if(rc != ILM_SUCCESS) goto lc_init_error;

    for(unsigned i = 0; i < num; i++)
    {
        HMI_INFO("get screen: %d", ids[i]);
    }
    // Currently, 0 is only available
    this->screenID = ids[0];

    rc = ilm_getPropertiesOfScreen(this->screenID, &this->screen_prop);

    if(rc != ILM_SUCCESS) goto lc_init_error;

    // Register Callback to Window Manager and from ILM
    this->cb = cb;
    ilm_registerNotification(createCallback_static, this);

    return WMError::SUCCESS;

lc_init_error:
    HMI_ERROR("Failed to initialize. Terminate WM");

    return WMError::FAIL;
}

void LayerControl::createNewLayer(unsigned id)
{
    HMI_INFO("create new ID :%d", id);
    struct rect rct = this->area2size[LC_DEFAULT_AREA];
    ilm_layerCreateWithDimension(&id, rct.w, rct.h);
    //ilm_layerSetSourceRectangle(id, rct.x, rct.y, rct.w, rct.h);
    ilm_layerSetDestinationRectangle(id, this->offset_x, this->offset_y, rct.w, rct.h);
    ilm_layerSetOpacity(id, 1.0);
    ilm_layerSetVisibility(id, ILM_FALSE);
    ilm_commitChanges();
    auto wm_layer = getWMLayer(id);
    wm_layer->addLayerToState(id);
    this->renderLayers();
}

unsigned LayerControl::getNewLayerID(const string& role)
{
    unsigned ret = 0;
    for(const auto& l: this->wm_layers)
    {
        ret = l->getNewLayerID(role);
        if(ret != 0)
        {
            unsigned wmlid = l->getWMLayerID();
            this->lid2wmlid[ret] = wmlid;
            break;
        }
    }
    return ret;
}

shared_ptr<WMLayer> LayerControl::getWMLayer(unsigned layer)
{
    unsigned wm_lid = this->lid2wmlid[layer];
    return this->wm_layers[wm_lid];
}

std::shared_ptr<WMLayer> LayerControl::getWMLayer(std::string layer_name)
{
    for(auto &l : this->wm_layers)
    {
        if(l->layerName() == layer_name)
        {
            return l;
        }
    }
    return nullptr;
}

struct rect LayerControl::getAreaSize(const std::string& area)
{
    return area2size[area];
}

void LayerControl::setupArea(const rectangle& base_rct, double scaling)
{
    this->scaling = scaling;
    this->offset_x = base_rct.left();
    this->offset_y = base_rct.top();

    for (auto &i : this->area2size)
    {
        i.second.x = static_cast<int>(scaling * i.second.x + 0.5);
        i.second.y = static_cast<int>(scaling * i.second.y + 0.5);
        i.second.w = static_cast<int>(scaling * i.second.w + 0.5);
        i.second.h = static_cast<int>(scaling * i.second.h + 0.5);

        HMI_DEBUG("area:%s size(after) : x:%d y:%d w:%d h:%d",
            i.first.c_str(), i.second.x, i.second.y, i.second.w, i.second.h);
    }
}

Screen LayerControl::getScreenInfo()
{
    return Screen(this->screen_prop.screenWidth, this->screen_prop.screenHeight);
}

double LayerControl::scale()
{
    return this->scaling;
}

WMError LayerControl::renderLayers()
{
    HMI_INFO("Commit change");
    WMError rc = WMError::SUCCESS;

    // Check the number of layers
    vector<unsigned> ivi_l_ids;
    for(auto& l : this->wm_layers)
    {
        auto state = l->getLayerState();
        HMI_DEBUG("layer %s", l->layerName().c_str());
        for(const auto& id : state.getIviIdList())
        {
            HMI_DEBUG("Add %d", id);
            ivi_l_ids.push_back(id);
        }
    }

    // Create render order
    t_ilm_layer* id_array = new t_ilm_layer[ivi_l_ids.size()];
    if(id_array == nullptr)
    {
        HMI_WARNING("short memory");
        this->undoUpdate();
        return WMError::FAIL;
    }
    int count = 0;
    for(const auto& i : ivi_l_ids)
    {
        id_array[count] = i;
        ++count;
    }

    // Display
    ilmErrorTypes ret = ilm_displaySetRenderOrder(this->screenID, id_array, ivi_l_ids.size());
    if(ret != ILM_SUCCESS)
    {
        this->undoUpdate();
        rc = WMError::FAIL;
    }
    else
    {
        for(auto& l : this->wm_layers)
        {
            l->update();
        }
    }
    ilm_commitChanges();
    delete id_array;
    return rc;
}

WMError LayerControl::setXDGSurfaceOriginSize(unsigned surface)
{
    WMError ret = WMError::NOT_REGISTERED;
    ilmSurfaceProperties prop;
    ilmErrorTypes rc = ilm_getPropertiesOfSurface(surface, &prop);
    if(rc == ILM_SUCCESS)
    {
        HMI_INFO("xdg surface info %d, %d", prop.origSourceWidth, prop.origSourceHeight);
        ilm_surfaceSetSourceRectangle(surface, 0, 0, prop.origSourceWidth, prop.origSourceHeight);
        ret = WMError::SUCCESS;
    }
    return ret;
}


void LayerControl::undoUpdate()
{
    for(auto& l : this->wm_layers)
    {
        l->undo();
    }
}

WMError LayerControl::loadLayerSetting(const string &path)
{
    HMI_DEBUG("loading WMLayer(Application Containers) Setting from %s", path.c_str());

    json_object *json_obj, *json_cfg;
    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
    if (0 > ret)
    {
        HMI_ERROR("Could not open %s", path.c_str());
        return WMError::FAIL;
    }
    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));

    if (!json_object_object_get_ex(json_obj, "mappings", &json_cfg))
    {
        HMI_ERROR("Parse Error!!");
        return WMError::FAIL;
    }

    int len = json_object_array_length(json_cfg);
    HMI_DEBUG("json_cfg len:%d", len);

    for (int i = 0; i < len; i++)
    {
        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));

        this->wm_layers.emplace_back(std::make_shared<WMLayer>(json_tmp, i));
    }
    json_object_put(json_obj);

    return WMError::SUCCESS;
}

WMError LayerControl::loadAreaDb(const std::string& path)
{
    // Load area.db
    json_object *json_obj;
    int ret = jh::inputJsonFilie(path.c_str(), &json_obj);
    if (0 > ret)
    {
        HMI_ERROR("Could not open %s", path.c_str());
        return WMError::FAIL;
    }
    HMI_INFO("json_obj dump:%s", json_object_get_string(json_obj));

    // Perse areas
    json_object *json_cfg;
    if (!json_object_object_get_ex(json_obj, "areas", &json_cfg))
    {
        HMI_ERROR("Parse Error!!");
        return WMError::FAIL;
    }

    int len = json_object_array_length(json_cfg);
    HMI_DEBUG("json_cfg len:%d", len);

    const char *area;
    for (int i = 0; i < len; i++)
    {
        json_object *json_tmp = json_object_array_get_idx(json_cfg, i);
        HMI_DEBUG("> json_tmp dump:%s", json_object_get_string(json_tmp));

        area = jh::getStringFromJson(json_tmp, "name");
        if (nullptr == area)
        {
            HMI_ERROR("Parse Error!!");
            return WMError::FAIL;
        }
        HMI_DEBUG("> area:%s", area);

        json_object *json_rect;
        if (!json_object_object_get_ex(json_tmp, "rect", &json_rect))
        {
            HMI_ERROR("Parse Error!!");
            return WMError::FAIL;
        }
        HMI_DEBUG("> json_rect dump:%s", json_object_get_string(json_rect));

        struct rect area_size;
        area_size.x = jh::getIntFromJson(json_rect, "x");
        area_size.y = jh::getIntFromJson(json_rect, "y");
        area_size.w = jh::getIntFromJson(json_rect, "w");
        area_size.h = jh::getIntFromJson(json_rect, "h");

        this->area2size[area] = area_size;
    }

    // Check
    for (const auto& itr : this->area2size)
    {
        HMI_DEBUG("area:%s x:%d y:%d w:%d h:%d",
                  itr.first.c_str(), itr.second.x, itr.second.y,
                  itr.second.w, itr.second.h);
    }

    // Release json_object
    json_object_put(json_obj);

    return WMError::SUCCESS;
}

WMError LayerControl::layoutChange(const WMAction& action)
{
    if (action.visible == TaskVisible::INVISIBLE)
    {
        // Visibility is not change -> no redraw is required
        return WMError::SUCCESS;
    }
    if(action.client == nullptr)
    {
        HMI_SEQ_ERROR(action.req_num, "client may vanish");
        return WMError::NOT_REGISTERED;
    }
    unsigned layer = action.client->layerID();
    unsigned surface = action.client->surfaceID();

    auto rect = this->getAreaSize(action.area);
    HMI_SEQ_INFO(action.req_num, "Set layout %d, %d, %d, %d",rect.x, rect.y, rect.w, rect.h);

    // Sometimes, ivi_wm_surface_size signal doesn't reach window manager,
    // then, Window Manager set set source size = 0.
    if(!action.client->isSourceSizeSet())
    {
        ilmSurfaceProperties sp;
        ilm_getPropertiesOfSurface(surface, &sp);
        if((sp.origSourceHeight != sp.sourceHeight) || (sp.origSourceWidth != sp.sourceWidth))
        {
            HMI_SEQ_NOTICE(action.req_num, "set source size w:%d h%d", sp.origSourceWidth, sp.origSourceHeight);
            ilm_surfaceSetSourceRectangle(surface, 0, 0, sp.origSourceWidth, sp.origSourceHeight);
            ilm_commitChanges();
            action.client->setSurfaceSizeCorrectly();
        }
    }

    ilm_surfaceSetDestinationRectangle(surface, rect.x, rect.y, rect.w, rect.h);
    ilm_commitChanges();
    action.client->setArea(action.area);
    for(auto &wm_layer: this->wm_layers)
    {
        // Store the state who is assigned to the area
        if(wm_layer->hasLayerID(layer))
        {
            wm_layer->attachAppToArea(action.client->appID(), action.area);
            /* TODO: manipulate state directly
            LayerState ls = wm_layer->getLayerState();
            ls.seattachAppToAreatArea(action.client->appID(), action.area);
            wm_layer->dump(); */
        }
    }

    return WMError::SUCCESS;
}

WMError LayerControl::visibilityChange(const WMAction& action)
{
    WMError ret = WMError::FAIL;
    if(action.client == nullptr)
    {
        HMI_SEQ_ERROR(action.req_num, "client may vanish");
        return WMError::NOT_REGISTERED;
    }

    if (action.visible == TaskVisible::VISIBLE)
    {
        ret = this->makeVisible(action.client);
    }
    else if (action.visible == TaskVisible::INVISIBLE)
    {
        ret = this->makeInvisible(action.client);
    }
    ilm_commitChanges();
    return ret;
}

WMError LayerControl::updateAreaList(const ChangeAreaReq& req)
{
    // error check
    for(const auto& elem : req.area_req)
    {
        if(this->area2size.find(elem.first) == this->area2size.end())
        {
            HMI_ERROR("requested area %s is not registered in area list", elem.first.c_str());
            return WMError::NOT_REGISTERED;
        }
    }
    // update list
    for(const auto& elem : req.area_req)
    {
        this->area2size[elem.first] = elem.second;
    }
    if(req.save)
    {
        HMI_NOTICE("Not implemented");
        // TODO
    }
    return WMError::SUCCESS;
}

WMError LayerControl::getUpdateAreaList(ChangeAreaReq *req)
{
    for(const auto& wm_layer : this->wm_layers)
    {
        // get area name and compare it with elem
        for(const auto& area : req->area_req)
        {
            string app = wm_layer->attachedApp(area.first);
            if(!app.empty())
            {
                HMI_INFO("app %s changes area %s", app.c_str(), area.first.c_str());
                req->update_app2area[app] = area.first;
            }
        }
    }
    return WMError::SUCCESS;
}

void LayerControl::appTerminated(const shared_ptr<WMClient> client)
{
    for(auto& l : this->wm_layers)
    {
        if(l->hasLayerID(client->layerID()))
        {
            l->appTerminated(client->layerID());
        }
    }
}

void LayerControl::dispatchCreateEvent(ilmObjectType object, unsigned id, bool created)
{
    if (ILM_SURFACE == object)
    {
        if (created)
        {
            ilmSurfaceProperties sp;
            ilmErrorTypes rc;
            rc = ilm_getPropertiesOfSurface(id, &sp);
            if(rc != ILM_SUCCESS)
            {
                HMI_ERROR("Failed to get surface %d property due to %d", id, ilm_getError());
                return;
            }
            this->cb.surfaceCreated(sp.creatorPid, id);
            ilm_surfaceAddNotification(id, surfaceCallback_static);
            ilm_surfaceSetVisibility(id, ILM_TRUE);
            ilm_surfaceSetType(id, ILM_SURFACETYPE_DESKTOP);
        }
        else
        {
            this->cb.surfaceDestroyed(id);
        }
    }
    if (ILM_LAYER == object)
    {
        if(created)
        {
            ilm_layerAddNotification(id, layerCallback_static);
        }
        else
        {
            // Ignore here. Nothing to do currently.
            // Process of application dead is handled by Window Manager
            // from binder notification
        }
    }
}

void LayerControl::dispatchSurfacePropChangeEvent(unsigned id,
        struct ilmSurfaceProperties* sprop,
        t_ilm_notification_mask mask)
{
    /*
      ILM_NOTIFICATION_CONTENT_AVAILABLE & ILM_NOTIFICATION_CONTENT_REMOVED
      are not handled here, handled in create/destroy event
     */
    if (ILM_NOTIFICATION_VISIBILITY & mask)
    {
        HMI_DEBUG("surface %d turns visibility %d", id, sprop->visibility);
    }
    if (ILM_NOTIFICATION_OPACITY & mask)
    {
        HMI_DEBUG("surface %d turns opacity %f", id, sprop->opacity);
    }
    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
    {
        HMI_DEBUG("surface %d source rect changes", id);
    }
    if (ILM_NOTIFICATION_DEST_RECT & mask)
    {
        HMI_DEBUG("surface %d dest rect changes", id);
    }
    if (ILM_NOTIFICATION_CONFIGURED & mask)
    {
        HMI_DEBUG("surface %d size %d, %d, %d, %d", id,
            sprop->sourceX, sprop->sourceY, sprop->origSourceWidth, sprop->origSourceHeight);
        ilm_surfaceSetSourceRectangle(id, 0, 0, sprop->origSourceWidth, sprop->origSourceHeight);
    }
}

void LayerControl::dispatchLayerPropChangeEvent(unsigned id,
        struct ilmLayerProperties* lprop,
        t_ilm_notification_mask mask)
{
    if (ILM_NOTIFICATION_VISIBILITY & mask)
    {
        HMI_DEBUG("layer %d turns visibility %d", id, lprop->visibility);
    }
    if (ILM_NOTIFICATION_OPACITY & mask)
    {
        HMI_DEBUG("layer %d turns opacity %f", id, lprop->opacity);
    }
    if (ILM_NOTIFICATION_SOURCE_RECT & mask)
    {
        HMI_DEBUG("layer %d source rect changes", id);
    }
    if (ILM_NOTIFICATION_DEST_RECT & mask)
    {
        HMI_DEBUG("layer %d dest rect changes", id);
    }
}

WMError LayerControl::makeVisible(const shared_ptr<WMClient> client)
{
    WMError ret = WMError::SUCCESS;
    // Don't check here wheher client is nullptr or not
    unsigned layer = client->layerID();

    this->moveForeGround(client);

    ilm_layerSetVisibility(layer, ILM_TRUE);

    return ret;
}

WMError LayerControl::makeInvisible(const shared_ptr<WMClient> client)
{
    WMError ret = WMError::SUCCESS;
    // Don't check here the client is not nullptr
    unsigned layer = client->layerID();

    bool mv_ok = this->moveBackGround(client);

    if(!mv_ok)
    {
        HMI_INFO("make invisible client %s", client->appID().c_str());
        ilm_layerSetVisibility(layer, ILM_FALSE);
    }

    return ret;
}

bool LayerControl::moveBackGround(const shared_ptr<WMClient> client)
{
    bool ret = false;

    // Move background from foreground layer
    auto bg = this->getWMLayer(BACK_GROUND_LAYER);
    if(bg != nullptr)
    {
        HMI_DEBUG("client %s role %s", client->appID().c_str(), client->role().c_str());
        unsigned layer = client->layerID();
        if(bg->hasRole(client->role()))
        {
            HMI_INFO("%s go to background", client->appID().c_str());
            bg->addLayerToState(layer);
            auto wm_layer = this->getWMLayer(layer);
            wm_layer->removeLayerFromState(layer);
            /* TODO: manipulate state directly
            LayerState bg_ls = bg->getLayerState();
            bg_ls.addLayer(layer);
            LayerState ls = wm_layer->getLayerState();
            ls.removeLayer(layer); */
            bg->dump();
            wm_layer->dump();
            ret = true;
        }
    }
    return ret;
}

bool LayerControl::moveForeGround(const shared_ptr<WMClient> client)
{
    bool ret = false;

    // Move foreground from foreground layer
    auto bg = this->getWMLayer(BACK_GROUND_LAYER);
    if(bg != nullptr)
    {
        if(bg->hasRole(client->role()))
        {
            unsigned layer = client->layerID();
            HMI_INFO("%s go to foreground", client->appID().c_str());
            bg->removeLayerFromState(layer);
            auto wm_layer = this->getWMLayer(layer);
            wm_layer->addLayerToState(layer);
            /* TODO: manipulate state directly
            LayerState bg_ls = bg->getLayerState();
            bg_ls.removeLayer(layer);
            LayerState ls = wm_layer->getLayerState();
            ls.addLayer(layer); */
            bg->dump();
            wm_layer->dump();
            ret = true;
        }
    }
    return ret;
}

} // namespace wm