1 files changed, 160 insertions, 0 deletions
diff --git a/src/com/android/dialer/dialpad/PseudoEmergencyAnimator.java b/src/com/android/dialer/dialpad/PseudoEmergencyAnimator.java
new file mode 100644
index 000000000..d4f32b5d4
--- /dev/null
+++ b/src/com/android/dialer/dialpad/PseudoEmergencyAnimator.java
@@ -0,0 +1,160 @@
+/*
+ * 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.dialer.dialpad;
+
+import android.animation.Animator;
+import android.animation.Animator.AnimatorListener;
+import android.animation.ArgbEvaluator;
+import android.animation.ValueAnimator;
+import android.animation.ValueAnimator.AnimatorUpdateListener;
+import android.content.Context;
+import android.graphics.Color;
+import android.graphics.ColorFilter;
+import android.graphics.LightingColorFilter;
+import android.os.Handler;
+import android.os.Vibrator;
+import android.view.View;
+
+import com.android.dialer.R;
+
+/**
+ * Animates the dial button on "emergency" phone numbers.
+ */
+public class PseudoEmergencyAnimator {
+    public interface ViewProvider {
+        View getView();
+    }
+
+    public static final String PSEUDO_EMERGENCY_NUMBER = "01189998819991197253";
+
+    private static final int VIBRATE_LENGTH_MILLIS = 200;
+    private static final int ITERATION_LENGTH_MILLIS = 1000;
+    private static final int ANIMATION_ITERATION_COUNT = 6;
+
+    private ViewProvider mViewProvider;
+    private ValueAnimator mPseudoEmergencyColorAnimator;
+
+    PseudoEmergencyAnimator(ViewProvider viewProvider) {
+        mViewProvider = viewProvider;
+    }
+
+    public void destroy() {
+        end();
+        mViewProvider = null;
+    }
+
+    public void start() {
+        if (mPseudoEmergencyColorAnimator == null) {
+            Integer colorFrom = Color.BLUE;
+            Integer colorTo = Color.RED;
+            mPseudoEmergencyColorAnimator = ValueAnimator.ofObject(new ArgbEvaluator(), colorFrom, colorTo);
+
+            mPseudoEmergencyColorAnimator.addUpdateListener(new AnimatorUpdateListener() {
+                @Override
+                public void onAnimationUpdate(ValueAnimator animator) {
+                    try {
+                        int color = (int) animator.getAnimatedValue();
+                        ColorFilter colorFilter =
+                                new LightingColorFilter(Color.BLACK, color);
+
+                        View floatingActionButtonContainer = getView().findViewById(
+                                R.id.dialpad_floating_action_button_container);
+                        if (floatingActionButtonContainer != null) {
+                            floatingActionButtonContainer.getBackground().setColorFilter(
+                                    colorFilter);
+                        }
+                    } catch (Exception e) {
+                        animator.cancel();
+                    }
+                }
+            });
+
+            mPseudoEmergencyColorAnimator.addListener(new AnimatorListener() {
+                @Override
+                public void onAnimationCancel(Animator animation) { }
+
+                @Override
+                public void onAnimationRepeat(Animator animation) {
+                    try {
+                        vibrate(VIBRATE_LENGTH_MILLIS);
+                    } catch (Exception e) {
+                        animation.cancel();
+                    }
+                }
+
+                @Override
+                public void onAnimationStart(Animator animation) { }
+
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    try {
+                        View floatingActionButtonContainer = getView().findViewById(
+                                R.id.dialpad_floating_action_button_container);
+                        if (floatingActionButtonContainer != null) {
+                            floatingActionButtonContainer.getBackground().clearColorFilter();
+                        }
+
+                        new Handler().postDelayed(new Runnable() {
+                            @Override public void run() {
+                                try {
+                                    vibrate(VIBRATE_LENGTH_MILLIS);
+                                } catch (Exception e) {
+                                    // ignored
+                                }
+                            }
+                        }, ITERATION_LENGTH_MILLIS);
+                    } catch (Exception e) {
+                        animation.cancel();
+                    }
+                }
+            });
+
+            mPseudoEmergencyColorAnimator.setDuration(VIBRATE_LENGTH_MILLIS);
+            mPseudoEmergencyColorAnimator.setRepeatMode(ValueAnimator.REVERSE);
+            mPseudoEmergencyColorAnimator.setRepeatCount(ANIMATION_ITERATION_COUNT);
+        }
+        if (!mPseudoEmergencyColorAnimator.isStarted()) {
+            mPseudoEmergencyColorAnimator.start();
+        }
+    }
+
+    public void end() {
+        if (mPseudoEmergencyColorAnimator != null && mPseudoEmergencyColorAnimator.isStarted()) {
+            mPseudoEmergencyColorAnimator.end();
+        }
+    }
+
+    private View getView() {
+        return mViewProvider == null ? null : mViewProvider.getView();
+    }
+
+    private Context getContext() {
+        View view = getView();
+        return view != null ? view.getContext() : null;
+    }
+
+    private void vibrate(long milliseconds) {
+        Context context = getContext();
+        if (context != null) {
+            Vibrator vibrator =
+                    (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
+            if (vibrator != null) {
+                vibrator.vibrate(milliseconds);
+            }
+        }
+    }
+}