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1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "abstract_screen.h"
17 
18 #include <cmath>
19 #include "abstract_screen_controller.h"
20 #include "display_manager_service.h"
21 #include "dm_common.h"
22 #include "window_manager_hilog.h"
23 
24 namespace OHOS::Rosen {
25 namespace {
26     constexpr HiviewDFX::HiLogLabel LABEL = {LOG_CORE, HILOG_DOMAIN_DISPLAY, "AbstractScreenGroup"};
27     constexpr float MAX_ZORDER = 100000.0f;
28 }
29 
AbstractScreen(sptr<AbstractScreenController> screenController,const std::string & name,ScreenId dmsId,ScreenId rsId)30 AbstractScreen::AbstractScreen(sptr<AbstractScreenController> screenController, const std::string& name, ScreenId dmsId,
31     ScreenId rsId) : dmsId_(dmsId), rsId_(rsId), screenController_(screenController)
32 {
33     if (name != "") {
34         name_ = name;
35     }
36 }
37 
~AbstractScreen()38 AbstractScreen::~AbstractScreen()
39 {
40 }
41 
GetActiveScreenMode() const42 sptr<SupportedScreenModes> AbstractScreen::GetActiveScreenMode() const
43 {
44     if (activeIdx_ < 0 || activeIdx_ >= static_cast<int32_t>(modes_.size())) {
45         WLOGE("active mode index is wrong: %{public}d", activeIdx_);
46         return nullptr;
47     }
48     return modes_[activeIdx_];
49 }
50 
GetAbstractScreenModes() const51 std::vector<sptr<SupportedScreenModes>> AbstractScreen::GetAbstractScreenModes() const
52 {
53     return modes_;
54 }
55 
GetGroup() const56 sptr<AbstractScreenGroup> AbstractScreen::GetGroup() const
57 {
58     if (screenController_ == nullptr) {
59         return nullptr;
60     }
61     return screenController_->GetAbstractScreenGroup(groupDmsId_);
62 }
63 
ConvertToScreenInfo() const64 sptr<ScreenInfo> AbstractScreen::ConvertToScreenInfo() const
65 {
66     sptr<ScreenInfo> info = new(std::nothrow) ScreenInfo();
67     if (info == nullptr) {
68         return nullptr;
69     }
70     FillScreenInfo(info);
71     return info;
72 }
73 
UpdateRSTree(std::shared_ptr<RSSurfaceNode> & surfaceNode,bool isAdd,bool needToUpdate)74 void AbstractScreen::UpdateRSTree(std::shared_ptr<RSSurfaceNode>& surfaceNode, bool isAdd, bool needToUpdate)
75 {
76     if (rsDisplayNode_ == nullptr || surfaceNode == nullptr) {
77         WLOGFE("node is nullptr");
78         return;
79     }
80     WLOGFD("%{public}s surface: %{public}s, %{public}" PRIu64"", (isAdd ? "add" : "remove"),
81         surfaceNode->GetName().c_str(), surfaceNode->GetId());
82 
83     if (isAdd) {
84         surfaceNode->SetVisible(true);
85         rsDisplayNode_->AddChild(surfaceNode, -1);
86     } else {
87         rsDisplayNode_->RemoveChild(surfaceNode);
88     }
89 
90     if (needToUpdate) {
91         if (isAdd) {
92             appSurfaceNodes_.push_back(surfaceNode);
93         } else {
94             auto iter = std::find_if(appSurfaceNodes_.begin(), appSurfaceNodes_.end(),
95                 [surfaceNode] (std::shared_ptr<RSSurfaceNode> node) {
96                     return surfaceNode->GetId() == node->GetId();
97                 });
98             if (iter != appSurfaceNodes_.end()) {
99                 appSurfaceNodes_.erase(iter);
100             }
101         }
102     }
103 }
104 
AddSurfaceNode(std::shared_ptr<RSSurfaceNode> & surfaceNode,bool onTop,bool needToRecord)105 DMError AbstractScreen::AddSurfaceNode(std::shared_ptr<RSSurfaceNode>& surfaceNode, bool onTop, bool needToRecord)
106 {
107     if (rsDisplayNode_ == nullptr || surfaceNode == nullptr) {
108         WLOGFE("node is nullptr");
109         return DMError::DM_ERROR_NULLPTR;
110     }
111     surfaceNode->SetVisible(true);
112     if (onTop) {
113         rsDisplayNode_->AddChild(surfaceNode, -1);
114         surfaceNode->SetPositionZ(MAX_ZORDER);
115     } else {
116         rsDisplayNode_->AddChild(surfaceNode, -1);
117     }
118     if (needToRecord) {
119         nativeSurfaceNodes_.push_back(surfaceNode);
120     }
121     auto transactionProxy = RSTransactionProxy::GetInstance();
122     if (transactionProxy != nullptr) {
123         transactionProxy->FlushImplicitTransaction();
124     }
125     return DMError::DM_OK;
126 }
127 
RemoveSurfaceNode(std::shared_ptr<RSSurfaceNode> & surfaceNode)128 DMError AbstractScreen::RemoveSurfaceNode(std::shared_ptr<RSSurfaceNode>& surfaceNode)
129 {
130     if (rsDisplayNode_ == nullptr || surfaceNode == nullptr) {
131         WLOGFE("Node is nullptr");
132         return DMError::DM_ERROR_NULLPTR;
133     };
134     auto iter = std::find_if(nativeSurfaceNodes_.begin(), nativeSurfaceNodes_.end(), [surfaceNode]
135         (std::shared_ptr<RSSurfaceNode> node) {
136         return surfaceNode->GetId() == node->GetId();
137     });
138     if (iter == nativeSurfaceNodes_.end()) {
139         WLOGFW("Child not found");
140         return DMError::DM_ERROR_INVALID_PARAM;
141     }
142     rsDisplayNode_->RemoveChild(*iter);
143     nativeSurfaceNodes_.erase(iter);
144     auto transactionProxy = RSTransactionProxy::GetInstance();
145     if (transactionProxy != nullptr) {
146         transactionProxy->FlushImplicitTransaction();
147     }
148     return DMError::DM_OK;
149 }
150 
UpdateDisplayGroupRSTree(std::shared_ptr<RSSurfaceNode> & surfaceNode,NodeId parentNodeId,bool isAdd)151 void AbstractScreen::UpdateDisplayGroupRSTree(std::shared_ptr<RSSurfaceNode>& surfaceNode, NodeId parentNodeId,
152     bool isAdd)
153 {
154     if (rsDisplayNode_ == nullptr || surfaceNode == nullptr) {
155         WLOGFE("node is nullptr");
156         return;
157     }
158     WLOGFI("%{public}s surface: %{public}s, %{public}" PRIu64"", (isAdd ? "add" : "remove"),
159         surfaceNode->GetName().c_str(), surfaceNode->GetId());
160 
161     if (isAdd) {
162         surfaceNode->SetVisible(true);
163         rsDisplayNode_->AddCrossParentChild(surfaceNode, -1);
164     } else {
165         rsDisplayNode_->RemoveCrossParentChild(surfaceNode, parentNodeId);
166     }
167 }
168 
SetPropertyForDisplayNode(const std::shared_ptr<RSDisplayNode> & rsDisplayNode,const RSDisplayNodeConfig & config,const Point & startPoint)169 void AbstractScreen::SetPropertyForDisplayNode(const std::shared_ptr<RSDisplayNode>& rsDisplayNode,
170     const RSDisplayNodeConfig& config, const Point& startPoint)
171 {
172     rSDisplayNodeConfig_ = config;
173     WLOGFI("SetDisplayOffset: posX:%{public}d, posY:%{public}d", startPoint.posX_, startPoint.posY_);
174     rsDisplayNode->SetDisplayOffset(startPoint.posX_, startPoint.posY_);
175     uint32_t width = 0;
176     uint32_t height = 0;
177     sptr<SupportedScreenModes> abstractScreenModes = GetActiveScreenMode();
178     if (abstractScreenModes != nullptr) {
179         height = abstractScreenModes->height_;
180         width = abstractScreenModes->width_;
181     }
182     RSScreenType screenType;
183     auto ret = RSInterfaces::GetInstance().GetScreenType(rsId_, screenType);
184     if (ret == StatusCode::SUCCESS && screenType == RSScreenType::VIRTUAL_TYPE_SCREEN) {
185         rsDisplayNode->SetSecurityDisplay(true);
186         WLOGFI("virtualScreen SetSecurityDisplay success");
187     }
188     // If setDisplayOffset is not valid for SetFrame/SetBounds
189     rsDisplayNode->SetFrame(0, 0, width, height);
190     rsDisplayNode->SetBounds(0, 0, width, height);
191 }
192 
InitRSDisplayNode(const RSDisplayNodeConfig & config,const Point & startPoint)193 void AbstractScreen::InitRSDisplayNode(const RSDisplayNodeConfig& config, const Point& startPoint)
194 {
195     if (rsDisplayNode_ != nullptr) {
196         rsDisplayNode_->SetDisplayNodeMirrorConfig(config);
197         WLOGFD("RSDisplayNode is not null");
198     } else {
199         WLOGFD("Create rsDisplayNode");
200         std::shared_ptr<RSDisplayNode> rsDisplayNode = RSDisplayNode::Create(config);
201         if (rsDisplayNode == nullptr) {
202             WLOGE("fail to add child. create rsDisplayNode fail!");
203             return;
204         }
205         rsDisplayNode_ = rsDisplayNode;
206     }
207     SetPropertyForDisplayNode(rsDisplayNode_, config, startPoint);
208 
209     // flush transaction
210     auto transactionProxy = RSTransactionProxy::GetInstance();
211     if (transactionProxy != nullptr) {
212         transactionProxy->FlushImplicitTransaction();
213     }
214     WLOGFD("InitRSDisplayNode success");
215 }
216 
InitRSDefaultDisplayNode(const RSDisplayNodeConfig & config,const Point & startPoint)217 void AbstractScreen::InitRSDefaultDisplayNode(const RSDisplayNodeConfig& config, const Point& startPoint)
218 {
219     if (rsDisplayNode_ == nullptr) {
220         WLOGFD("RSDisplayNode is nullptr");
221     }
222 
223     WLOGFD("Create defaultRSDisplayNode");
224     std::shared_ptr<RSDisplayNode> rsDisplayNode = RSDisplayNode::Create(config);
225     if (rsDisplayNode == nullptr) {
226         WLOGE("fail to add child. create rsDisplayNode fail!");
227         return;
228     }
229     rsDisplayNode_ = rsDisplayNode;
230     SetPropertyForDisplayNode(rsDisplayNode_, config, startPoint);
231 
232     // update RSTree for default display
233     for (auto node: appSurfaceNodes_) {
234         UpdateRSTree(node, true, false);
235     }
236     for (auto node: nativeSurfaceNodes_) {
237         AddSurfaceNode(node, false, false);
238     }
239 
240     // flush transaction
241     auto transactionProxy = RSTransactionProxy::GetInstance();
242     if (transactionProxy != nullptr) {
243         transactionProxy->FlushImplicitTransaction();
244     }
245     WLOGFD("InitRSDefaultDisplayNode success");
246 }
247 
GetScreenGroupId() const248 ScreenId AbstractScreen::GetScreenGroupId() const
249 {
250     return groupDmsId_;
251 }
252 
GetScreenSupportedColorGamuts(std::vector<ScreenColorGamut> & colorGamuts)253 DMError AbstractScreen::GetScreenSupportedColorGamuts(std::vector<ScreenColorGamut>& colorGamuts)
254 {
255     auto ret = RSInterfaces::GetInstance().GetScreenSupportedColorGamuts(rsId_, colorGamuts);
256     if (ret != StatusCode::SUCCESS) {
257         WLOGE("GetScreenSupportedColorGamuts fail! rsId %{public}" PRIu64"", rsId_);
258         return DMError::DM_ERROR_RENDER_SERVICE_FAILED;
259     }
260     WLOGI("GetScreenSupportedColorGamuts ok! rsId %{public}" PRIu64", size %{public}u",
261         rsId_, static_cast<uint32_t>(colorGamuts.size()));
262 
263     return DMError::DM_OK;
264 }
265 
GetScreenColorGamut(ScreenColorGamut & colorGamut)266 DMError AbstractScreen::GetScreenColorGamut(ScreenColorGamut& colorGamut)
267 {
268     auto ret = RSInterfaces::GetInstance().GetScreenColorGamut(rsId_, colorGamut);
269     if (ret != StatusCode::SUCCESS) {
270         WLOGE("GetScreenColorGamut fail! rsId %{public}" PRIu64"", rsId_);
271         return DMError::DM_ERROR_RENDER_SERVICE_FAILED;
272     }
273     WLOGI("GetScreenColorGamut ok! rsId %{public}" PRIu64", colorGamut %{public}u",
274         rsId_, static_cast<uint32_t>(colorGamut));
275 
276     return DMError::DM_OK;
277 }
278 
SetScreenColorGamut(int32_t colorGamutIdx)279 DMError AbstractScreen::SetScreenColorGamut(int32_t colorGamutIdx)
280 {
281     std::vector<ScreenColorGamut> colorGamuts;
282     DMError res = GetScreenSupportedColorGamuts(colorGamuts);
283     if (res != DMError::DM_OK) {
284         WLOGE("SetScreenColorGamut fail! rsId %{public}" PRIu64"", rsId_);
285         return res;
286     }
287     if (colorGamutIdx < 0 || colorGamutIdx >= static_cast<int32_t>(colorGamuts.size())) {
288         WLOGE("SetScreenColorGamut fail! rsId %{public}" PRIu64" colorGamutIdx %{public}d invalid.",
289             rsId_, colorGamutIdx);
290         return DMError::DM_ERROR_INVALID_PARAM;
291     }
292     auto ret = RSInterfaces::GetInstance().SetScreenColorGamut(rsId_, colorGamutIdx);
293     if (ret != StatusCode::SUCCESS) {
294         WLOGE("SetScreenColorGamut fail! rsId %{public}" PRIu64"", rsId_);
295         return DMError::DM_ERROR_RENDER_SERVICE_FAILED;
296     }
297     WLOGI("SetScreenColorGamut ok! rsId %{public}" PRIu64", colorGamutIdx %{public}u",
298         rsId_, colorGamutIdx);
299 
300     return DMError::DM_OK;
301 }
302 
GetScreenGamutMap(ScreenGamutMap & gamutMap)303 DMError AbstractScreen::GetScreenGamutMap(ScreenGamutMap& gamutMap)
304 {
305     auto ret = RSInterfaces::GetInstance().GetScreenGamutMap(rsId_, gamutMap);
306     if (ret != StatusCode::SUCCESS) {
307         WLOGE("GetScreenGamutMap fail! rsId %{public}" PRIu64"", rsId_);
308         return DMError::DM_ERROR_RENDER_SERVICE_FAILED;
309     }
310     WLOGI("GetScreenGamutMap ok! rsId %{public}" PRIu64", gamutMap %{public}u",
311         rsId_, static_cast<uint32_t>(gamutMap));
312 
313     return DMError::DM_OK;
314 }
315 
SetScreenGamutMap(ScreenGamutMap gamutMap)316 DMError AbstractScreen::SetScreenGamutMap(ScreenGamutMap gamutMap)
317 {
318     if (gamutMap > GAMUT_MAP_HDR_EXTENSION) {
319         return DMError::DM_ERROR_INVALID_PARAM;
320     }
321     auto ret = RSInterfaces::GetInstance().SetScreenGamutMap(rsId_, gamutMap);
322     if (ret != StatusCode::SUCCESS) {
323         WLOGE("SetScreenGamutMap fail! rsId %{public}" PRIu64"", rsId_);
324         return DMError::DM_ERROR_RENDER_SERVICE_FAILED;
325     }
326     WLOGI("SetScreenGamutMap ok! rsId %{public}" PRIu64", gamutMap %{public}u",
327         rsId_, static_cast<uint32_t>(gamutMap));
328 
329     return DMError::DM_OK;
330 }
331 
SetScreenColorTransform()332 DMError AbstractScreen::SetScreenColorTransform()
333 {
334     WLOGI("SetScreenColorTransform ok! rsId %{public}" PRIu64"", rsId_);
335 
336     return DMError::DM_OK;
337 }
338 
FillScreenInfo(sptr<ScreenInfo> info) const339 void AbstractScreen::FillScreenInfo(sptr<ScreenInfo> info) const
340 {
341     if (info == nullptr) {
342         WLOGE("FillScreenInfo failed! info is nullptr");
343         return;
344     }
345     info->id_ = dmsId_;
346     info->name_ = name_;
347     uint32_t width = 0;
348     uint32_t height = 0;
349     sptr<SupportedScreenModes> abstractScreenModes = GetActiveScreenMode();
350     if (abstractScreenModes != nullptr) {
351         height = abstractScreenModes->height_;
352         width = abstractScreenModes->width_;
353     }
354     float virtualPixelRatio = virtualPixelRatio_;
355     // "< 1e-6" means virtualPixelRatio is 0.
356     if (fabsf(virtualPixelRatio) < 1e-6) {
357         virtualPixelRatio = 1.0f;
358     }
359     ScreenSourceMode sourceMode = GetSourceMode();
360     info->virtualPixelRatio_ = virtualPixelRatio;
361     info->virtualHeight_ = height / virtualPixelRatio;
362     info->virtualWidth_ = width / virtualPixelRatio;
363     info->lastParent_ = lastGroupDmsId_;
364     info->parent_ = groupDmsId_;
365     info->isScreenGroup_ = isScreenGroup_;
366     info->rotation_ = rotation_;
367     info->orientation_ = orientation_;
368     info->sourceMode_ = sourceMode;
369     info->type_ = type_;
370     info->modeId_ = activeIdx_;
371     info->modes_ = modes_;
372 }
373 
SetOrientation(Orientation orientation)374 bool AbstractScreen::SetOrientation(Orientation orientation)
375 {
376     orientation_ = orientation;
377     return true;
378 }
379 
SetVirtualPixelRatio(float virtualPixelRatio)380 bool AbstractScreen::SetVirtualPixelRatio(float virtualPixelRatio)
381 {
382     virtualPixelRatio_ = virtualPixelRatio;
383     return true;
384 }
385 
GetVirtualPixelRatio() const386 float AbstractScreen::GetVirtualPixelRatio() const
387 {
388     return virtualPixelRatio_;
389 }
390 
GetSourceMode() const391 ScreenSourceMode AbstractScreen::GetSourceMode() const
392 {
393     sptr<AbstractScreenGroup> abstractScreenGroup = GetGroup();
394     if (abstractScreenGroup == nullptr || screenController_ == nullptr) {
395         return ScreenSourceMode::SCREEN_ALONE;
396     }
397     ScreenId defaultId = screenController_->GetDefaultAbstractScreenId();
398     if (dmsId_ == defaultId) {
399         return ScreenSourceMode::SCREEN_MAIN;
400     }
401     ScreenCombination combination = abstractScreenGroup->GetScreenCombination();
402     switch (combination) {
403         case ScreenCombination::SCREEN_MIRROR: {
404             return ScreenSourceMode::SCREEN_MIRROR;
405         }
406         case ScreenCombination::SCREEN_EXPAND: {
407             return ScreenSourceMode::SCREEN_EXTEND;
408         }
409         case ScreenCombination::SCREEN_ALONE: {
410             return ScreenSourceMode::SCREEN_ALONE;
411         }
412         default: {
413             return ScreenSourceMode::SCREEN_ALONE;
414         }
415     }
416 }
417 
CalcRotation(Orientation orientation) const418 Rotation AbstractScreen::CalcRotation(Orientation orientation) const
419 {
420     sptr<SupportedScreenModes> info = GetActiveScreenMode();
421     if (info == nullptr) {
422         return Rotation::ROTATION_0;
423     }
424     // vertical: phone(Plugin screen); horizontal: pad & external screen
425     bool isVerticalScreen = info->width_ < info->height_;
426     switch (orientation) {
427         case Orientation::UNSPECIFIED: {
428             return Rotation::ROTATION_0;
429         }
430         case Orientation::VERTICAL: {
431             return isVerticalScreen ? Rotation::ROTATION_0 : Rotation::ROTATION_90;
432         }
433         case Orientation::HORIZONTAL: {
434             return isVerticalScreen ? Rotation::ROTATION_90 : Rotation::ROTATION_0;
435         }
436         case Orientation::REVERSE_VERTICAL: {
437             return isVerticalScreen ? Rotation::ROTATION_180 : Rotation::ROTATION_270;
438         }
439         case Orientation::REVERSE_HORIZONTAL: {
440             return isVerticalScreen ? Rotation::ROTATION_270 : Rotation::ROTATION_180;
441         }
442         default: {
443             WLOGE("unknown orientation %{public}u", orientation);
444             return Rotation::ROTATION_0;
445         }
446     }
447 }
448 
GetScreenName() const449 const std::string& AbstractScreen::GetScreenName() const
450 {
451     return name_;
452 }
453 
SetPhyWidth(uint32_t phyWidth)454 void AbstractScreen::SetPhyWidth(uint32_t phyWidth)
455 {
456     phyWidth_ = phyWidth;
457 }
458 
SetPhyHeight(uint32_t phyHeight)459 void AbstractScreen::SetPhyHeight(uint32_t phyHeight)
460 {
461     phyHeight_ = phyHeight;
462 }
463 
GetPhyWidth() const464 uint32_t AbstractScreen::GetPhyWidth() const
465 {
466     return phyWidth_;
467 }
468 
GetPhyHeight() const469 uint32_t AbstractScreen::GetPhyHeight() const
470 {
471     return phyHeight_;
472 }
473 
AbstractScreenGroup(sptr<AbstractScreenController> screenController,ScreenId dmsId,ScreenId rsId,std::string name,ScreenCombination combination)474 AbstractScreenGroup::AbstractScreenGroup(sptr<AbstractScreenController> screenController, ScreenId dmsId, ScreenId rsId,
475     std::string name, ScreenCombination combination) : AbstractScreen(screenController, name, dmsId, rsId),
476     combination_(combination)
477 {
478     type_ = ScreenType::UNDEFINED;
479     isScreenGroup_ = true;
480 }
481 
~AbstractScreenGroup()482 AbstractScreenGroup::~AbstractScreenGroup()
483 {
484     rsDisplayNode_ = nullptr;
485     abstractScreenMap_.clear();
486 }
487 
ConvertToScreenGroupInfo() const488 sptr<ScreenGroupInfo> AbstractScreenGroup::ConvertToScreenGroupInfo() const
489 {
490     sptr<ScreenGroupInfo> screenGroupInfo = new(std::nothrow) ScreenGroupInfo();
491     if (screenGroupInfo == nullptr) {
492         return nullptr;
493     }
494     FillScreenInfo(screenGroupInfo);
495     screenGroupInfo->combination_ = combination_;
496     for (auto iter = abstractScreenMap_.begin(); iter != abstractScreenMap_.end(); iter++) {
497         screenGroupInfo->children_.push_back(iter->first);
498     }
499     auto positions = GetChildrenPosition();
500     screenGroupInfo->position_.insert(screenGroupInfo->position_.end(), positions.begin(), positions.end());
501     return screenGroupInfo;
502 }
503 
GetRSDisplayNodeConfig(sptr<AbstractScreen> & dmsScreen,struct RSDisplayNodeConfig & config)504 bool AbstractScreenGroup::GetRSDisplayNodeConfig(sptr<AbstractScreen>& dmsScreen, struct RSDisplayNodeConfig& config)
505 {
506     if (dmsScreen == nullptr) {
507         WLOGE("dmsScreen is nullptr.");
508         return false;
509     }
510     config = { dmsScreen->rsId_ };
511     switch (combination_) {
512         case ScreenCombination::SCREEN_ALONE:
513             [[fallthrough]];
514         case ScreenCombination::SCREEN_EXPAND:
515             break;
516         case ScreenCombination::SCREEN_MIRROR: {
517             if (GetChildCount() == 0 || mirrorScreenId_ == dmsScreen->dmsId_) {
518                 WLOGI("AddChild, SCREEN_MIRROR, config is not mirror");
519                 break;
520             }
521             if (screenController_ == nullptr) {
522                 return false;
523             }
524             if (mirrorScreenId_ == SCREEN_ID_INVALID || !HasChild(mirrorScreenId_)) {
525                 WLOGI("AddChild, mirrorScreenId_ is invalid, use default screen");
526                 mirrorScreenId_ = screenController_->GetDefaultAbstractScreenId();
527             }
528             // Todo displayNode is nullptr
529             std::shared_ptr<RSDisplayNode> displayNode = screenController_->GetRSDisplayNodeByScreenId(mirrorScreenId_);
530             if (displayNode == nullptr) {
531                 WLOGFE("AddChild fail, displayNode is nullptr, cannot get DisplayNode");
532                 break;
533             }
534             NodeId nodeId = displayNode->GetId();
535             WLOGI("AddChild, mirrorScreenId_:%{public}" PRIu64", rsId_:%{public}" PRIu64", nodeId:%{public}" PRIu64"",
536                 mirrorScreenId_, dmsScreen->rsId_, nodeId);
537             config = {dmsScreen->rsId_, true, nodeId};
538             break;
539         }
540         default:
541             WLOGE("fail to add child. invalid group combination:%{public}u", combination_);
542             return false;
543     }
544     return true;
545 }
546 
AddChild(sptr<AbstractScreen> & dmsScreen,Point & startPoint)547 bool AbstractScreenGroup::AddChild(sptr<AbstractScreen>& dmsScreen, Point& startPoint)
548 {
549     if (dmsScreen == nullptr) {
550         WLOGE("AddChild, dmsScreen is nullptr.");
551         return false;
552     }
553     ScreenId screenId = dmsScreen->dmsId_;
554     WLOGFD("AbstractScreenGroup AddChild dmsScreenId: %{public}" PRIu64"", screenId);
555     auto iter = abstractScreenMap_.find(screenId);
556     if (iter != abstractScreenMap_.end()) {
557         if (dmsScreen->rsDisplayNode_ != nullptr && dmsScreen->type_ == ScreenType::REAL &&
558             defaultScreenId_ == screenId) {
559             WLOGFD("Add default screen, dmsScreenId: %{public}" PRIu64"", screenId);
560         } else {
561             WLOGE("AddChild, abstractScreenMap_ has dmsScreen:%{public}" PRIu64"", screenId);
562             return false;
563         }
564     }
565     struct RSDisplayNodeConfig config;
566     if (!GetRSDisplayNodeConfig(dmsScreen, config)) {
567         return false;
568     }
569     if (dmsScreen->rsDisplayNode_ != nullptr && dmsScreen->type_ == ScreenType::REAL &&
570         defaultScreenId_ == screenId) {
571         WLOGFD("Reconnect default screen, screenId: %{public}" PRIu64"", screenId);
572         dmsScreen->InitRSDefaultDisplayNode(config, startPoint);
573     } else {
574         dmsScreen->InitRSDisplayNode(config, startPoint);
575         dmsScreen->lastGroupDmsId_ = dmsScreen->groupDmsId_;
576         dmsScreen->groupDmsId_ = dmsId_;
577         abstractScreenMap_.insert(std::make_pair(screenId, std::make_pair(dmsScreen, startPoint)));
578     }
579     return true;
580 }
581 
AddChildren(std::vector<sptr<AbstractScreen>> & dmsScreens,std::vector<Point> & startPoints)582 bool AbstractScreenGroup::AddChildren(std::vector<sptr<AbstractScreen>>& dmsScreens, std::vector<Point>& startPoints)
583 {
584     size_t size = dmsScreens.size();
585     if (size != startPoints.size()) {
586         WLOGE("AddChildren, unequal size.");
587         return false;
588     }
589     bool res = true;
590     for (size_t i = 0; i < size; i++) {
591         res = AddChild(dmsScreens[i], startPoints[i]) && res;
592     }
593     return res;
594 }
595 
RemoveChild(sptr<AbstractScreen> & dmsScreen)596 bool AbstractScreenGroup::RemoveChild(sptr<AbstractScreen>& dmsScreen)
597 {
598     if (dmsScreen == nullptr) {
599         WLOGE("RemoveChild, dmsScreen is nullptr.");
600         return false;
601     }
602     ScreenId screenId = dmsScreen->dmsId_;
603     dmsScreen->lastGroupDmsId_ = dmsScreen->groupDmsId_;
604     dmsScreen->groupDmsId_ = SCREEN_ID_INVALID;
605     if (dmsScreen->rsDisplayNode_ != nullptr) {
606         dmsScreen->rsDisplayNode_->SetDisplayOffset(0, 0);
607         dmsScreen->rsDisplayNode_->RemoveFromTree();
608         auto transactionProxy = RSTransactionProxy::GetInstance();
609         if (transactionProxy != nullptr) {
610             transactionProxy->FlushImplicitTransaction();
611         }
612         dmsScreen->rsDisplayNode_ = nullptr;
613     }
614     WLOGFD("groupDmsId:%{public}" PRIu64", screenId:%{public}" PRIu64"",
615         dmsScreen->groupDmsId_, screenId);
616     return abstractScreenMap_.erase(screenId);
617 }
618 
RemoveDefaultScreen(const sptr<AbstractScreen> & dmsScreen)619 bool AbstractScreenGroup::RemoveDefaultScreen(const sptr<AbstractScreen>& dmsScreen)
620 {
621     if (dmsScreen == nullptr) {
622         WLOGE("RemoveChild, dmsScreen is nullptr.");
623         return false;
624     }
625     ScreenId screenId = dmsScreen->dmsId_;
626     dmsScreen->lastGroupDmsId_ = dmsScreen->groupDmsId_;
627     if (dmsScreen->rsDisplayNode_ != nullptr) {
628         dmsScreen->rsDisplayNode_->SetDisplayOffset(0, 0);
629         dmsScreen->rsDisplayNode_->RemoveFromTree();
630         auto transactionProxy = RSTransactionProxy::GetInstance();
631         if (transactionProxy != nullptr) {
632             transactionProxy->FlushImplicitTransaction();
633         }
634     }
635     defaultScreenId_ = screenId;
636     WLOGFD("groupDmsId:%{public}" PRIu64", screenId:%{public}" PRIu64"",
637         dmsScreen->groupDmsId_, screenId);
638     return true;
639 }
640 
HasChild(ScreenId childScreen) const641 bool AbstractScreenGroup::HasChild(ScreenId childScreen) const
642 {
643     return abstractScreenMap_.find(childScreen) != abstractScreenMap_.end();
644 }
645 
GetChildren() const646 std::vector<sptr<AbstractScreen>> AbstractScreenGroup::GetChildren() const
647 {
648     std::vector<sptr<AbstractScreen>> res;
649     for (auto iter = abstractScreenMap_.begin(); iter != abstractScreenMap_.end(); iter++) {
650         res.push_back(iter->second.first);
651     }
652     return res;
653 }
654 
GetChildrenPosition() const655 std::vector<Point> AbstractScreenGroup::GetChildrenPosition() const
656 {
657     std::vector<Point> res;
658     for (auto iter = abstractScreenMap_.begin(); iter != abstractScreenMap_.end(); iter++) {
659         res.push_back(iter->second.second);
660     }
661     return res;
662 }
663 
GetChildPosition(ScreenId screenId) const664 Point AbstractScreenGroup::GetChildPosition(ScreenId screenId) const
665 {
666     Point point;
667     auto iter = abstractScreenMap_.find(screenId);
668     if (iter != abstractScreenMap_.end()) {
669         point = iter->second.second;
670     }
671     return point;
672 }
673 
GetChildCount() const674 size_t AbstractScreenGroup::GetChildCount() const
675 {
676     return abstractScreenMap_.size();
677 }
678 
GetScreenCombination() const679 ScreenCombination AbstractScreenGroup::GetScreenCombination() const
680 {
681     return combination_;
682 }
683 } // namespace OHOS::Rosen
684