[M3][Color] Refactored and added the Dynamic Color Palette demo in Ca…

…talog.

PiperOrigin-RevId: 406168279

catalog/java/io/material/catalog/assets/res/drawable/ic_content_copy_24px.xml

@@ -0,0 +1,25 @@
+<!--
+  Copyright 2021 The Android Open Source Project
+
+  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
+
+      https://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.
+  -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+  android:width="24dp"
+  android:height="24dp"
+  android:viewportWidth="24"
+  android:viewportHeight="24"
+  android:tint="?attr/colorControlNormal">
+  <path
+    android:fillColor="@android:color/white"
+    android:pathData="M18,21L4,21L4,7L2,7v14c0,1.1 0.9,2 2,2h14v-2zM21,17L21,3c0,-1.1 -0.9,-2 -2,-2L8,1c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h11c1.1,0 2,-0.9 2,-2zM19,17L8,17L8,3h11v14z"/>
+</vector>

catalog/java/io/material/catalog/color/ColorAdapterItem.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package io.material.catalog.color;
+
+/** Interface for the items in {@link ColorsAdapter}. */
+public interface ColorAdapterItem {}

catalog/java/io/material/catalog/color/ColorDynamicDemoFragment.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package io.material.catalog.color;
+
+import io.material.catalog.R;
+
+import androidx.annotation.ArrayRes;
+import androidx.annotation.LayoutRes;
+
+/** A fragment that displays the Dynamic Palette demo for the Catalog app. */
+public class ColorDynamicDemoFragment extends ColorPaletteDemoFragment {
+
+  @LayoutRes
+  @Override
+  protected int getColorsLayoutResId() {
+    return R.layout.cat_colors_palette_fragment;
+  }
+
+  @ArrayRes
+  @Override
+  protected int getColorsArrayResId() {
+    return R.array.cat_dynamic_colors;
+  }
+}

catalog/java/io/material/catalog/color/ColorHeaderItem.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package io.material.catalog.color;
+
+import android.content.Context;
+import androidx.annotation.ColorRes;
+import androidx.annotation.NonNull;
+import java.util.List;
+
+/** A class for the headers in the color palette. */
+public class ColorHeaderItem implements ColorAdapterItem {
+
+  private static final String COLOR_600 = "600";
+
+  @ColorRes private final int backgroundColor;
+  private final String name;
+
+  ColorHeaderItem(Context context, List<ColorItem> colors) {
+    ColorItem sample = colors.get(0);
+    for (ColorItem color : colors) {
+      if (color.getColorResName().contains(COLOR_600)) {
+        sample = color;
+        break;
+      }
+    }
+    MaterialColorSpec materialColor = MaterialColorSpec.create(context, sample.getColorRes());
+    backgroundColor = materialColor.getResourceId();
+    name = materialColor.getName();
+  }
+
+  @ColorRes
+  int getBackgroundColorRes() {
+    return backgroundColor;
+  }
+
+  /** Returns the raw name of the color. */
+  @NonNull
+  public String getName() {
+    return name;
+  }
+
+  /** Returns the display name for the header, e.g. Blue. */
+  @NonNull
+  public String getDisplayName() {
+    String name = getName();
+    String headerColor = name.replace('_', ' ');
+    return Character.toUpperCase(headerColor.charAt(0)) + headerColor.substring(1);
+  }
+}

catalog/java/io/material/catalog/color/ColorItem.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package io.material.catalog.color;
+
+import android.content.Context;
+import androidx.annotation.ColorInt;
+import androidx.annotation.ColorRes;
+import androidx.annotation.NonNull;
+
+/** A class for the items in the color palette. */
+public class ColorItem implements ColorAdapterItem {
+
+  private final MaterialColorSpec colorSpec;
+
+  ColorItem(Context context, @ColorRes int colorRes) {
+    colorSpec = MaterialColorSpec.create(context, colorRes);
+  }
+
+  /** Returns the resource ID of the color. */
+  @NonNull
+  @ColorRes
+  public int getColorRes() {
+    return colorSpec.getResourceId();
+  }
+
+  /** Returns the resource name of the color, e.g. system_accent1_100. */
+  @NonNull
+  public String getColorResName() {
+    return colorSpec.getResourceName();
+  }
+
+  /** Returns the int value of the color. */
+  @ColorInt
+  int getColorValue() {
+    return colorSpec.getValue();
+  }
+}

catalog/java/io/material/catalog/color/ColorMainDemoFragment.java

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+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package io.material.catalog.color;
+
+import io.material.catalog.R;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import io.material.catalog.feature.DemoFragment;
+
+/** A placeholder fragment that displays the main Color demo for the Catalog app. */
+public class ColorMainDemoFragment extends DemoFragment {
+
+  @Nullable
+  @Override
+  public View onCreateDemoView(
+      @NonNull LayoutInflater layoutInflater,
+      @Nullable ViewGroup viewGroup,
+      @Nullable Bundle bundle) {
+    return layoutInflater.inflate(
+        R.layout.cat_colors_fragment, viewGroup, false /* attachToRoot */);
+  }
+}