Animations/success state for external confirm device credentials (1/2)

Bug: 20929186
Change-Id: I8ca396e353189da7da3e9c98f841b76c876e461e

3 files changed, 293 insertions, 0 deletions

diff --git a/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationCreator.java b/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationCreator.java
new file mode 100644
index 0000000..8a61e4e
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationCreator.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2015 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 com.android.settingslib.animation;
+
+import android.view.animation.Interpolator;
+
+/**
+ * An interface which can create animations when starting an appear animation with
+ * {@link AppearAnimationUtils}
+ */
+public interface AppearAnimationCreator<T> {
+     void createAnimation(T animatedObject, long delay, long duration,
+             float translationY, boolean appearing, Interpolator interpolator,
+             Runnable finishListener);
+}
diff --git a/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationUtils.java b/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationUtils.java
new file mode 100644
index 0000000..441474d
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/animation/AppearAnimationUtils.java
@@ -0,0 +1,206 @@
+/*
+ * Copyright (C) 2015 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 com.android.settingslib.animation;
+
+import android.content.Context;
+import android.view.View;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+
+import com.android.settingslib.R;
+
+/**
+ * A class to make nice appear transitions for views in a tabular layout.
+ */
+public class AppearAnimationUtils implements AppearAnimationCreator<View> {
+
+    public static final long DEFAULT_APPEAR_DURATION = 220;
+
+    private final Interpolator mInterpolator;
+    private final float mStartTranslation;
+    private final AppearAnimationProperties mProperties = new AppearAnimationProperties();
+    protected final float mDelayScale;
+    private final long mDuration;
+    protected RowTranslationScaler mRowTranslationScaler;
+    protected boolean mAppearing;
+
+    public AppearAnimationUtils(Context ctx) {
+        this(ctx, DEFAULT_APPEAR_DURATION,
+                1.0f, 1.0f,
+                AnimationUtils.loadInterpolator(ctx, android.R.interpolator.linear_out_slow_in));
+    }
+
+    public AppearAnimationUtils(Context ctx, long duration, float translationScaleFactor,
+            float delayScaleFactor, Interpolator interpolator) {
+        mInterpolator = interpolator;
+        mStartTranslation = ctx.getResources().getDimensionPixelOffset(
+                R.dimen.appear_y_translation_start) * translationScaleFactor;
+        mDelayScale = delayScaleFactor;
+        mDuration = duration;
+        mAppearing = true;
+    }
+
+    public void startAnimation2d(View[][] objects, final Runnable finishListener) {
+        startAnimation2d(objects, finishListener, this);
+    }
+
+    public void startAnimation(View[] objects, final Runnable finishListener) {
+        startAnimation(objects, finishListener, this);
+    }
+
+    public <T> void startAnimation2d(T[][] objects, final Runnable finishListener,
+            AppearAnimationCreator<T> creator) {
+        AppearAnimationProperties properties = getDelays(objects);
+        startAnimations(properties, objects, finishListener, creator);
+    }
+
+    public <T> void startAnimation(T[] objects, final Runnable finishListener,
+            AppearAnimationCreator<T> creator) {
+        AppearAnimationProperties properties = getDelays(objects);
+        startAnimations(properties, objects, finishListener, creator);
+    }
+
+    private <T> void startAnimations(AppearAnimationProperties properties, T[] objects,
+            final Runnable finishListener, AppearAnimationCreator<T> creator) {
+        if (properties.maxDelayRowIndex == -1 || properties.maxDelayColIndex == -1) {
+            finishListener.run();
+            return;
+        }
+        for (int row = 0; row < properties.delays.length; row++) {
+            long[] columns = properties.delays[row];
+            long delay = columns[0];
+            Runnable endRunnable = null;
+            if (properties.maxDelayRowIndex == row && properties.maxDelayColIndex == 0) {
+                endRunnable = finishListener;
+            }
+            float translationScale = mRowTranslationScaler != null
+                    ? mRowTranslationScaler.getRowTranslationScale(row, properties.delays.length)
+                    : 1f;
+            float translation = translationScale * mStartTranslation;
+            creator.createAnimation(objects[row], delay, mDuration,
+                    mAppearing ? translation : -translation,
+                    mAppearing, mInterpolator, endRunnable);
+        }
+    }
+
+    private <T> void startAnimations(AppearAnimationProperties properties, T[][] objects,
+            final Runnable finishListener, AppearAnimationCreator<T> creator) {
+        if (properties.maxDelayRowIndex == -1 || properties.maxDelayColIndex == -1) {
+            finishListener.run();
+            return;
+        }
+        for (int row = 0; row < properties.delays.length; row++) {
+            long[] columns = properties.delays[row];
+            float translationScale = mRowTranslationScaler != null
+                    ? mRowTranslationScaler.getRowTranslationScale(row, properties.delays.length)
+                    : 1f;
+            float translation = translationScale * mStartTranslation;
+            for (int col = 0; col < columns.length; col++) {
+                long delay = columns[col];
+                Runnable endRunnable = null;
+                if (properties.maxDelayRowIndex == row && properties.maxDelayColIndex == col) {
+                    endRunnable = finishListener;
+                }
+                creator.createAnimation(objects[row][col], delay, mDuration,
+                        mAppearing ? translation : -translation,
+                        mAppearing, mInterpolator, endRunnable);
+            }
+        }
+    }
+
+    private <T> AppearAnimationProperties getDelays(T[] items) {
+        long maxDelay = -1;
+        mProperties.maxDelayColIndex = -1;
+        mProperties.maxDelayRowIndex = -1;
+        mProperties.delays = new long[items.length][];
+        for (int row = 0; row < items.length; row++) {
+            mProperties.delays[row] = new long[1];
+            long delay = calculateDelay(row, 0);
+            mProperties.delays[row][0] = delay;
+            if (items[row] != null && delay > maxDelay) {
+                maxDelay = delay;
+                mProperties.maxDelayColIndex = 0;
+                mProperties.maxDelayRowIndex = row;
+            }
+        }
+        return mProperties;
+    }
+
+    private <T> AppearAnimationProperties getDelays(T[][] items) {
+        long maxDelay = -1;
+        mProperties.maxDelayColIndex = -1;
+        mProperties.maxDelayRowIndex = -1;
+        mProperties.delays = new long[items.length][];
+        for (int row = 0; row < items.length; row++) {
+            T[] columns = items[row];
+            mProperties.delays[row] = new long[columns.length];
+            for (int col = 0; col < columns.length; col++) {
+                long delay = calculateDelay(row, col);
+                mProperties.delays[row][col] = delay;
+                if (items[row][col] != null && delay > maxDelay) {
+                    maxDelay = delay;
+                    mProperties.maxDelayColIndex = col;
+                    mProperties.maxDelayRowIndex = row;
+                }
+            }
+        }
+        return mProperties;
+    }
+
+    protected long calculateDelay(int row, int col) {
+        return (long) ((row * 40 + col * (Math.pow(row, 0.4) + 0.4) * 20) * mDelayScale);
+    }
+
+    public Interpolator getInterpolator() {
+        return mInterpolator;
+    }
+
+    public float getStartTranslation() {
+        return mStartTranslation;
+    }
+
+    @Override
+    public void createAnimation(View view, long delay, long duration, float translationY,
+            boolean appearing, Interpolator interpolator, Runnable endRunnable) {
+        if (view != null) {
+            view.setAlpha(appearing ? 0f : 1.0f);
+            view.setTranslationY(appearing ? translationY : 0);
+            view.animate()
+                    .alpha(appearing ? 1f : 0f)
+                    .translationY(appearing ? 0 : translationY)
+                    .setInterpolator(interpolator)
+                    .setDuration(duration)
+                    .setStartDelay(delay);
+            if (view.hasOverlappingRendering()) {
+                view.animate().withLayer();
+            }
+            if (endRunnable != null) {
+                view.animate().withEndAction(endRunnable);
+            }
+        }
+    }
+
+    public class AppearAnimationProperties {
+        public long[][] delays;
+        public int maxDelayRowIndex;
+        public int maxDelayColIndex;
+    }
+
+    public interface RowTranslationScaler {
+        float getRowTranslationScale(int row, int numRows);
+    }
+}
diff --git a/packages/SettingsLib/src/com/android/settingslib/animation/DisappearAnimationUtils.java b/packages/SettingsLib/src/com/android/settingslib/animation/DisappearAnimationUtils.java
new file mode 100644
index 0000000..a444ff0
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/animation/DisappearAnimationUtils.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2015 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 com.android.settingslib.animation;
+
+import android.content.Context;
+import android.view.animation.AnimationUtils;
+import android.view.animation.Interpolator;
+
+/**
+ * A class to make nice disappear transitions for views in a tabular layout.
+ */
+public class DisappearAnimationUtils extends AppearAnimationUtils {
+
+    public DisappearAnimationUtils(Context ctx) {
+        this(ctx, DEFAULT_APPEAR_DURATION,
+                1.0f, 1.0f,
+                AnimationUtils.loadInterpolator(ctx, android.R.interpolator.fast_out_linear_in));
+    }
+
+    public DisappearAnimationUtils(Context ctx, long duration, float translationScaleFactor,
+            float delayScaleFactor, Interpolator interpolator) {
+        this(ctx, duration, translationScaleFactor, delayScaleFactor, interpolator,
+                ROW_TRANSLATION_SCALER);
+    }
+
+    public DisappearAnimationUtils(Context ctx, long duration, float translationScaleFactor,
+            float delayScaleFactor, Interpolator interpolator, RowTranslationScaler rowScaler) {
+        super(ctx, duration, translationScaleFactor, delayScaleFactor, interpolator);
+        mRowTranslationScaler = rowScaler;
+        mAppearing = false;
+    }
+
+    protected long calculateDelay(int row, int col) {
+        return (long) ((row * 60 + col * (Math.pow(row, 0.4) + 0.4) * 10) * mDelayScale);
+    }
+
+    private static final RowTranslationScaler ROW_TRANSLATION_SCALER = new RowTranslationScaler() {
+
+        @Override
+        public float getRowTranslationScale(int row, int numRows) {
+            return (float) (Math.pow((numRows - row), 2) / numRows);
+        }
+    };
+}