Add ViewActions utilities for Android

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetActivated.java

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+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetActivated implements Action1<Boolean> {
+
+    private final View view;
+
+    public ViewActionSetActivated(View view) {
+        this.view = view;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        view.setActivated(aBoolean);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetClickable.java

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+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetClickable implements Action1<Boolean> {
+
+    private final View view;
+
+    public ViewActionSetClickable(View view) {
+        this.view = view;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        view.setClickable(aBoolean);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetEnabled.java

@@ -0,0 +1,35 @@
+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetEnabled implements Action1<Boolean> {
+
+    private final View view;
+
+    public ViewActionSetEnabled(View view) {
+        this.view = view;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        view.setEnabled(aBoolean);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetFocusable.java

@@ -0,0 +1,35 @@
+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetFocusable implements Action1<Boolean> {
+
+    private final View view;
+
+    public ViewActionSetFocusable(View view) {
+        this.view = view;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        view.setFocusable(aBoolean);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetSelected.java

@@ -0,0 +1,35 @@
+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetSelected implements Action1<Boolean> {
+
+    private final View view;
+
+    public ViewActionSetSelected(View view) {
+        this.view = view;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        view.setSelected(aBoolean);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActionSetVisibility.java

@@ -0,0 +1,48 @@
+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+public class ViewActionSetVisibility implements Action1<Boolean> {
+
+    private final View view;
+    private final int visibilityOnFalse;
+
+    public ViewActionSetVisibility(View view) {
+        this(view, View.GONE);
+    }
+
+    public ViewActionSetVisibility(View view, int visibilityOnFalse) {
+        if (visibilityOnFalse != View.GONE &&
+                visibilityOnFalse != View.INVISIBLE &&
+                visibilityOnFalse != View.VISIBLE) {
+            throw new IllegalArgumentException(visibilityOnFalse +
+                    " is not a valid visibility value. See android.view.View VISIBLE, GONE, and INVISIBLE");
+        }
+        this.view = view;
+        this.visibilityOnFalse = visibilityOnFalse;
+    }
+
+    @Override
+    public void call(Boolean aBoolean) {
+        int visibility = aBoolean ? View.VISIBLE : visibilityOnFalse;
+        view.setVisibility(visibility);
+    }
+}
+

rxjava-contrib/rxjava-android/src/main/java/rx/android/functions/ViewActions.java

@@ -0,0 +1,117 @@
+/**
+ * Copyright 2014 Netflix, Inc.
+ *
+ * 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 rx.android.functions;
+
+import android.view.View;
+
+import rx.functions.Action1;
+
+/**
+ * Utility class for the Action interfaces for use with Android {@link View}s.
+ */
+public final class ViewActions {
+
+    private ViewActions() {
+        throw new IllegalStateException("No instances!");
+    }
+
+    /**
+     * Set whether a view is enabled based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the enabled of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setEnabled(View view) {
+        return new ViewActionSetEnabled(view);
+    }
+
+    /**
+     * Set whether a view is activated based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the activated of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setActivated(View view) {
+        return new ViewActionSetActivated(view);
+    }
+
+    /**
+     * Set whether a view is clickable based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the clickable of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setClickable(View view) {
+        return new ViewActionSetClickable(view);
+    }
+
+    /**
+     * Set whether a view is focusable based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the focusable of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setFocusable(View view) {
+        return new ViewActionSetFocusable(view);
+    }
+
+    /**
+     * Set whether a view is selected based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the selected of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setSelected(View view) {
+        return new ViewActionSetSelected(view);
+    }
+
+    /**
+     * Set the visibility of a view based on {@code boolean} values that are emitted by an
+     * Observable. When {@code false} is emitted, visibility is set to {@link View#GONE}.
+     *
+     * @param view
+     *            to modify
+     * @return an {@link Action1} that sets the visibility of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setVisibility(View view) {
+        return new ViewActionSetVisibility(view);
+    }
+
+    /**
+     * Set the visibility of a view based on {@code boolean} values that are emitted by an
+     * Observable.
+     *
+     * @param view
+     *            to modify
+     * @param visibilityOnFalse
+     *            value to use on {@link View#setVisibility(int)} when a {@code false} is emitted by
+     *            the {@link rx.Observable}
+     * @return an {@link Action1} that sets the visibility of a view when boolean values are emitted.
+     */
+    public static Action1<? super Boolean> setVisibility(View view, int visibilityOnFalse) {
+        return new ViewActionSetVisibility(view, visibilityOnFalse);
+    }
+}