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Moves out IncrementalMountExtensionInput, and AttachDetachBinder
Summary: Moves out IncrementalMountExtensionInput, and AttachDetachBinder. Also fixes nits. Reviewed By: mihaelao Differential Revision: D23730237 fbshipit-source-id: 68fa730770b1bb78dcedbf5a0cef1a211a557951
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litho-core/src/main/java/com/facebook/litho/IncrementalMountBinder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * 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. | ||
| */ | ||
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| package com.facebook.litho; | ||
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| import android.content.Context; | ||
| import androidx.annotation.Nullable; | ||
| import com.facebook.rendercore.RenderUnit; | ||
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| public class IncrementalMountBinder implements RenderUnit.Binder<LithoRenderUnit, Object> { | ||
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| private boolean isUpdating = false; | ||
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| @Override | ||
| public boolean shouldUpdate( | ||
| final LithoRenderUnit currentValue, | ||
| final LithoRenderUnit newValue, | ||
| final @Nullable Object currentLayoutData, | ||
| final @Nullable Object nextLayoutData) { | ||
| isUpdating = true; | ||
| return true; | ||
| } | ||
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| @Override | ||
| public void bind( | ||
| final Context context, | ||
| final Object content, | ||
| final LithoRenderUnit lithoRenderUnit, | ||
| final @Nullable Object layoutData) { | ||
| if (!isUpdating) { | ||
| return; | ||
| } | ||
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| isUpdating = false; | ||
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| final LayoutOutput output = lithoRenderUnit.output; | ||
| final Component component = output.getComponent(); | ||
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| IncrementalMountExtension.onItemUpdated(content, component); | ||
| } | ||
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| @Override | ||
| public void unbind( | ||
| final Context context, | ||
| final Object o, | ||
| final LithoRenderUnit lithoRenderUnit, | ||
| final @Nullable Object layoutData) {} | ||
| } |
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32 changes: 32 additions & 0 deletions
32
...rc/main/java/com/facebook/rendercore/incrementalmount/IncrementalMountExtensionInput.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * 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. | ||
| */ | ||
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| package com.facebook.rendercore.incrementalmount; | ||
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| import com.facebook.rendercore.MountDelegate; | ||
| import com.facebook.rendercore.RenderTreeNode; | ||
| import java.util.List; | ||
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| public interface IncrementalMountExtensionInput extends MountDelegate.MountDelegateInput { | ||
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| int getMountableOutputCount(); | ||
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| List<RenderTreeNode> getMountableOutputTops(); | ||
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| List<RenderTreeNode> getMountableOutputBottoms(); | ||
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| int getLayoutOutputPositionForId(long id); | ||
| } |