From 9684e9dbf9ba466ff83fa1eb544b722053993b93 Mon Sep 17 00:00:00 2001 From: Alexl Date: Tue, 2 Sep 2025 16:16:58 +0300 Subject: [PATCH] =?UTF-8?q?=D0=9F=D1=80=D0=B0=D0=BA=D1=82=D0=B8=D1=87?= =?UTF-8?q?=D0=B5=D1=81=D0=BA=D0=B0=D1=8F=20=D1=80=D0=B0=D0=B1=D0=BE=D1=82?= =?UTF-8?q?=D0=B0=20=E2=84=962?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../base/BaseListDiffCallback.java | 23 +++++++++++++++++++ .../presentation/base/ListDiffInterface.java | 6 +++++ .../filter/FilterContactTypeAdapter.java | 20 ++-------------- .../filter/model/FilterContactTypeUi.java | 8 ++++++- .../presentation/main/ContactAdapter.java | 20 ++-------------- .../contacts/presentation/main/ContactUi.java | 7 +++++- .../presentation/sort/SortTypeAdapter.java | 20 ++-------------- .../presentation/sort/SortTypeUI.java | 7 +++++- 8 files changed, 54 insertions(+), 57 deletions(-) create mode 100644 app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java create mode 100644 app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java new file mode 100644 index 000000000..cb5712252 --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java @@ -0,0 +1,23 @@ +package ru.yandex.practicum.contacts.presentation.base; + +import androidx.annotation.NonNull; +import androidx.annotation.Nullable; +import androidx.recyclerview.widget.DiffUtil; + +public class BaseListDiffCallback > extends DiffUtil.ItemCallback{ + + @Override + public boolean areItemsTheSame(@NonNull T oldItem, @NonNull T newItem) { + return oldItem.theSameAs(newItem); + } + + @Override + public boolean areContentsTheSame(@NonNull T oldItem, @NonNull T newItem) { + return oldItem.equals(newItem); + } + @Nullable + @Override + public Object getChangePayload(@NonNull T oldItem, @NonNull T newItem) { + return newItem; + } +} \ No newline at end of file diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java new file mode 100644 index 000000000..fec268601 --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java @@ -0,0 +1,6 @@ +package ru.yandex.practicum.contacts.presentation.base; + +public interface ListDiffInterface { + boolean theSameAs(T other); + boolean equals(Object object); +} diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java index 4203bc297..457ce121d 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java @@ -17,6 +17,7 @@ import ru.yandex.practicum.contacts.databinding.ItemFilterBinding; import ru.yandex.practicum.contacts.model.ContactType; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; import ru.yandex.practicum.contacts.presentation.filter.model.FilterContactType; import ru.yandex.practicum.contacts.presentation.filter.model.FilterContactTypeUi; import ru.yandex.practicum.contacts.utils.model.ContactTypeUtils; @@ -26,7 +27,7 @@ public class FilterContactTypeAdapter extends RecyclerView.Adapter differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); private final Consumer clickListener; @@ -86,22 +87,5 @@ public void bind(FilterContactTypeUi data) { } } - static class ListDiffCallback extends DiffUtil.ItemCallback { - @Override - public boolean areItemsTheSame(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return oldItem.getContactType() == newItem.getContactType(); - } - - @Override - public boolean areContentsTheSame(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java index fbb187fdf..8ade3b15d 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java @@ -2,7 +2,9 @@ import androidx.annotation.NonNull; -public class FilterContactTypeUi { +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; + +public class FilterContactTypeUi implements ListDiffInterface { private final FilterContactType contactType; private final boolean selected; @@ -20,6 +22,10 @@ public boolean isSelected() { return selected; } + @Override + public boolean theSameAs(FilterContactTypeUi other) { + return this.getContactType() == other.getContactType(); + } @Override public boolean equals(Object o) { if (this == o) return true; diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java index 9c2317248..a32a429b3 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java @@ -23,12 +23,13 @@ import ru.yandex.practicum.contacts.R; import ru.yandex.practicum.contacts.databinding.ItemContactBinding; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; public class ContactAdapter extends RecyclerView.Adapter { private final AsyncListDiffer differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); @NonNull @@ -93,22 +94,5 @@ private void loadAvatar(ContactUi contact) { } } - static class ListDiffCallback extends DiffUtil.ItemCallback { - @Override - public boolean areItemsTheSame(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return oldItem.hashCode() == newItem.hashCode(); - } - - @Override - public boolean areContentsTheSame(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java index 4b2f216e8..20d8ec535 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java @@ -5,8 +5,9 @@ import java.util.List; import ru.yandex.practicum.contacts.model.ContactType; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; -public class ContactUi { +public class ContactUi implements ListDiffInterface { private final String name; private final String phone; @@ -41,6 +42,10 @@ public List getTypes() { return types; } + @Override + public boolean theSameAs(ContactUi other) { + return this.hashCode() == other.hashCode(); + } @Override public boolean equals(Object o) { if (this == o) return true; diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java index fde5f59c8..55654d558 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java @@ -17,13 +17,14 @@ import ru.yandex.practicum.contacts.R; import ru.yandex.practicum.contacts.databinding.ItemSortBinding; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; import ru.yandex.practicum.contacts.presentation.sort.model.SortType; public class SortTypeAdapter extends RecyclerView.Adapter { private final AsyncListDiffer differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); private final Consumer clickListener; @@ -89,22 +90,5 @@ private int resource(SortType sortType) { } } - static class ListDiffCallback extends DiffUtil.ItemCallback { - @Override - public boolean areItemsTheSame(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return oldItem.getSortType() == newItem.getSortType(); - } - - @Override - public boolean areContentsTheSame(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java index eb71f27cd..0be61dc22 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java @@ -2,9 +2,10 @@ import androidx.annotation.NonNull; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; import ru.yandex.practicum.contacts.presentation.sort.model.SortType; -public class SortTypeUI { +public class SortTypeUI implements ListDiffInterface { private final SortType sortType; private final boolean selected; @@ -22,6 +23,10 @@ public boolean isSelected() { return selected; } + @Override + public boolean theSameAs(SortTypeUI other) { + return this.getSortType() == other.getSortType(); + } @Override public boolean equals(Object o) { if (this == o) return true;