2 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include <dali/integration-api/adaptor-framework/scene-holder-impl.h>
22 #include <dali/integration-api/debug.h>
23 #include <dali/integration-api/events/hover-event-integ.h>
24 #include <dali/integration-api/events/key-event-integ.h>
25 #include <dali/integration-api/events/touch-event-integ.h>
26 #include <dali/integration-api/events/wheel-event-integ.h>
27 #include <dali/public-api/actors/actor.h>
28 #include <dali/public-api/actors/layer.h>
29 #include <dali/public-api/common/dali-common.h>
30 #include <dali/public-api/render-tasks/render-task-list.h>
33 #include <dali/internal/adaptor/common/adaptor-impl.h>
34 #include <dali/internal/adaptor/common/lifecycle-observer.h>
35 #include <dali/internal/graphics/gles/egl-graphics.h>
36 #include <dali/internal/input/common/key-impl.h>
37 #include <dali/internal/input/common/physical-keyboard-impl.h>
38 #include <dali/internal/system/common/time-service.h>
48 #if defined(DEBUG_ENABLED)
49 Debug::Filter* gSceneHolderLogFilter = Debug::Filter::New(Debug::NoLogging, false, "LOG_SCENE_HOLDER");
51 } // unnamed namespace
53 uint32_t SceneHolder::mSceneHolderCounter = 0;
55 class SceneHolder::SceneHolderLifeCycleObserver : public LifeCycleObserver
58 SceneHolderLifeCycleObserver(Adaptor*& adaptor)
59 : mAdaptor(adaptor){};
61 private: // Adaptor::LifeCycleObserver interface
62 void OnStart() override{};
63 void OnPause() override{};
64 void OnResume() override{};
65 void OnStop() override{};
66 void OnDestroy() override
75 SceneHolder::SceneHolder()
76 : mLifeCycleObserver(new SceneHolderLifeCycleObserver(mAdaptor)),
77 mId(mSceneHolderCounter++),
81 mIsBeingDeleted(false),
82 mAdaptorStarted(false),
87 SceneHolder::~SceneHolder()
91 // The scene graph object should be removed first.
92 mScene.RemoveSceneObject();
97 mAdaptor->RemoveObserver(*mLifeCycleObserver.get());
98 mAdaptor->RemoveWindow(this);
100 // The event queue is flushed and we wait for the completion of the surface removal
101 mAdaptor->DeleteSurface(*mSurface.get());
108 // We should remove the surface from the Core last
113 void SceneHolder::Add(Dali::Actor actor)
121 void SceneHolder::Remove(Dali::Actor actor)
125 mScene.Remove(actor);
129 Dali::Layer SceneHolder::GetRootLayer() const
131 return mScene ? mScene.GetRootLayer() : Dali::Layer();
134 Dali::Layer SceneHolder::GetOverlayLayer()
136 return mScene ? mScene.GetOverlayLayer() : Dali::Layer();
139 uint32_t SceneHolder::GetId() const
144 std::string SceneHolder::GetName() const
149 bool SceneHolder::IsVisible() const
154 Dali::Integration::Scene SceneHolder::GetScene()
159 Uint16Pair SceneHolder::GetDpi() const
164 void SceneHolder::SetSurface(Dali::RenderSurfaceInterface* surface)
166 mSurface.reset(surface);
168 mScene.SurfaceReplaced();
170 PositionSize surfacePositionSize = surface->GetPositionSize();
172 SurfaceResized(static_cast<float>(surfacePositionSize.width), static_cast<float>(surfacePositionSize.height));
176 mSurface->SetAdaptor(*mAdaptor);
177 mSurface->SetScene(mScene);
179 // Recreate the render target
180 CreateRenderTarget();
182 OnSurfaceSet(surface);
185 void SceneHolder::SurfaceResized(float width, float height)
187 if(DALI_LIKELY(mScene))
189 mScene.SurfaceResized(width, height);
192 mSurface->SetFullSwapNextFrame();
194 // Recreate the render target
195 CreateRenderTarget();
198 Dali::RenderSurfaceInterface* SceneHolder::GetSurface() const
200 return mSurface.get();
203 void SceneHolder::SetBackgroundColor(const Vector4& color)
207 mScene.SetBackgroundColor(color);
209 mSurface->SetFullSwapNextFrame();
213 Vector4 SceneHolder::GetBackgroundColor() const
215 return mScene ? mScene.GetBackgroundColor() : Color::BLACK;
218 void SceneHolder::SetAdaptor(Dali::Adaptor& adaptor)
220 // Avoid doing this more than once
226 DALI_ASSERT_DEBUG(mSurface && "Surface needs to be set before calling this method\n");
228 mAdaptorStarted = true;
231 PositionSize surfacePositionSize = mSurface->GetPositionSize();
232 int windowOrientation = mSurface->GetSurfaceOrientation();
233 int screenOrientation = mSurface->GetScreenOrientation();
235 mScene = Dali::Integration::Scene::New(Size(static_cast<float>(surfacePositionSize.width), static_cast<float>(surfacePositionSize.height)), windowOrientation, screenOrientation);
237 Internal::Adaptor::Adaptor& adaptorImpl = Internal::Adaptor::Adaptor::GetImplementation(adaptor);
238 mAdaptor = &adaptorImpl;
240 // Create an observer for the adaptor lifecycle
241 mAdaptor->AddObserver(*mLifeCycleObserver);
245 mSurface->SetAdaptor(*mAdaptor);
246 mSurface->SetScene(mScene);
248 // Create the render target
249 CreateRenderTarget();
251 OnAdaptorSet(adaptor);
254 void SceneHolder::CreateRenderTarget()
256 Graphics::RenderTargetCreateInfo rtInfo{};
258 .SetSurface(mSurface.get())
259 .SetExtent({static_cast<uint32_t>(mSurface->GetPositionSize().width), static_cast<uint32_t>(mSurface->GetPositionSize().height)})
260 .SetPreTransform(0 | Graphics::RenderTargetTransformFlagBits::TRANSFORM_IDENTITY_BIT);
262 mScene.SetSurfaceRenderTarget(rtInfo);
265 void SceneHolder::Pause()
272 void SceneHolder::Resume()
279 void SceneHolder::SurfaceRotated(float width, float height, int32_t windowOrientation, int32_t screenOrientation)
281 if(DALI_LIKELY(mScene))
283 mScene.SurfaceRotated(width, height, windowOrientation, screenOrientation);
287 void SceneHolder::SetRotationCompletedAcknowledgement()
289 if(DALI_LIKELY(mScene))
291 mScene.SetRotationCompletedAcknowledgement();
295 void SceneHolder::FeedTouchPoint(Dali::Integration::Point& point, int timeStamp)
299 timeStamp = TimeService::GetMilliSeconds();
302 Vector2 convertedPosition = RecalculatePosition(point.GetScreenPosition());
303 point.SetScreenPosition(convertedPosition);
305 Integration::TouchEvent touchEvent;
306 Integration::HoverEvent hoverEvent;
307 Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
308 if(type != Integration::TouchEventCombiner::DISPATCH_NONE)
310 DALI_LOG_INFO(gSceneHolderLogFilter, Debug::Verbose, "%d: Device %d: Button state %d (%.2f, %.2f)\n", timeStamp, point.GetDeviceId(), point.GetState(), point.GetScreenPosition().x, point.GetScreenPosition().y);
312 // Signals can be emitted while processing core events, and the scene holder could be deleted in the signal callback.
313 // Keep the handle alive until the core events are processed.
314 Dali::BaseHandle sceneHolder(this);
316 // First the touch and/or hover event & related gesture events are queued
317 if(type == Integration::TouchEventCombiner::DISPATCH_TOUCH || type == Integration::TouchEventCombiner::DISPATCH_BOTH)
319 mScene.QueueEvent(touchEvent);
322 if(type == Integration::TouchEventCombiner::DISPATCH_HOVER || type == Integration::TouchEventCombiner::DISPATCH_BOTH)
324 mScene.QueueEvent(hoverEvent);
327 // Next the events are processed with a single call into Core
328 mAdaptor->ProcessCoreEvents();
332 void SceneHolder::FeedWheelEvent(Dali::Integration::WheelEvent& wheelEvent)
334 // Signals can be emitted while processing core events, and the scene holder could be deleted in the signal callback.
335 // Keep the handle alive until the core events are processed.
336 Dali::BaseHandle sceneHolder(this);
338 Vector2 convertedPosition = RecalculatePosition(wheelEvent.point);
339 wheelEvent.point = convertedPosition;
341 mScene.QueueEvent(wheelEvent);
342 mAdaptor->ProcessCoreEvents();
345 void SceneHolder::FeedKeyEvent(Dali::Integration::KeyEvent& keyEvent)
347 Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
350 if(!KeyLookup::IsDeviceButton(keyEvent.keyName.c_str()))
352 GetImplementation(physicalKeyboard).KeyReceived(keyEvent.time > 1);
356 // Signals can be emitted while processing core events, and the scene holder could be deleted in the signal callback.
357 // Keep the handle alive until the core events are processed.
358 Dali::BaseHandle sceneHolder(this);
360 // Create send KeyEvent to Core.
361 mScene.QueueEvent(keyEvent);
362 mAdaptor->ProcessCoreEvents();
365 void SceneHolder::AddFrameRenderedCallback(std::unique_ptr<CallbackBase> callback, int32_t frameId)
367 mScene.AddFrameRenderedCallback(std::move(callback), frameId);
369 DALI_LOG_RELEASE_INFO("SceneHolder::AddFrameRenderedCallback:: Added [%d]\n", frameId);
372 void SceneHolder::AddFramePresentedCallback(std::unique_ptr<CallbackBase> callback, int32_t frameId)
374 mScene.AddFramePresentedCallback(std::move(callback), frameId);
376 DALI_LOG_RELEASE_INFO("SceneHolder::AddFramePresentedCallback:: Added [%d]\n", frameId);
379 Dali::RenderTaskList SceneHolder::GetRenderTaskList() const
381 return mScene.GetRenderTaskList();
384 Dali::Integration::SceneHolder SceneHolder::Get(Dali::Actor actor)
386 SceneHolder* sceneHolderImpl = nullptr;
388 if(Internal::Adaptor::Adaptor::IsAvailable())
390 Dali::Internal::Adaptor::Adaptor& adaptor = Internal::Adaptor::Adaptor::GetImplementation(Internal::Adaptor::Adaptor::Get());
391 sceneHolderImpl = adaptor.GetWindow(actor);
394 return Dali::Integration::SceneHolder(sceneHolderImpl);
397 void SceneHolder::Reset()
401 // Any touch listeners should be told of the interruption.
402 Integration::TouchEvent event;
403 Integration::Point point;
404 point.SetState(PointState::INTERRUPTED);
405 event.AddPoint(point);
407 // First the touch event & related gesture events are queued
408 mScene.QueueEvent(event);
410 // Next the events are processed with a single call into Core
411 mAdaptor->ProcessCoreEvents();
414 void SceneHolder::InitializeDpi()
416 unsigned int dpiHorizontal, dpiVertical;
417 dpiHorizontal = dpiVertical = 0;
419 mSurface->GetDpi(dpiHorizontal, dpiVertical);
420 mScene.SetDpi(Vector2(static_cast<float>(dpiHorizontal), static_cast<float>(dpiVertical)));
422 mDpi.SetX(dpiHorizontal);
423 mDpi.SetY(dpiVertical);
426 } // namespace Adaptor
428 } // namespace Internal