AtlasCompat.java

/**
 * OpenAtlasForAndroid Project
 * The MIT License (MIT) Copyright (OpenAtlasForAndroid) 2015 Bunny Blue,achellies
 * <p>
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
 * and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * <p>
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * @author BunnyBlue
 **/
package com.openatlas.android.compat;

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.Application;
import android.os.Build.VERSION;
import android.os.Bundle;

import java.util.ArrayList;

public class AtlasCompat extends Application {
    private final ArrayList<ActivityLifecycleCallbacksCompat> mActivityLifecycleCallbacks;

    public interface ActivityLifecycleCallbacksCompat {
        void onActivityCreated(Activity activity, Bundle bundle);

        void onActivityDestroyed(Activity activity);

        void onActivityPaused(Activity activity);

        void onActivityResumed(Activity activity);

        void onActivitySaveInstanceState(Activity activity, Bundle bundle);

        void onActivityStarted(Activity activity);

        void onActivityStopped(Activity activity);
    }

    public static class AbstractActivityLifecycleCallbacks implements ActivityLifecycleCallbacksCompat {
        @Override
        public void onActivityCreated(Activity activity, Bundle bundle) {
        }

        @Override
        public void onActivityStarted(Activity activity) {
        }

        @Override
        public void onActivityResumed(Activity activity) {
        }

        @Override
        public void onActivityPaused(Activity activity) {
        }

        @Override
        public void onActivityStopped(Activity activity) {
        }

        @Override
        public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
        }

        @Override
        public void onActivityDestroyed(Activity activity) {
        }
    }

    public AtlasCompat() {
        this.mActivityLifecycleCallbacks = new ArrayList<ActivityLifecycleCallbacksCompat>();
    }

    @TargetApi(14)
    public void registerActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat activityLifecycleCallbacksCompat) {
        if (VERSION.SDK_INT >= 14) {
            super.registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacksImpl(activityLifecycleCallbacksCompat));
            return;
        }
        synchronized (this.mActivityLifecycleCallbacks) {
            this.mActivityLifecycleCallbacks.add(activityLifecycleCallbacksCompat);
        }
    }

    @TargetApi(14)
    public void unregisterActivityLifecycleCallbacks(ActivityLifecycleCallbacksCompat activityLifecycleCallbacksCompat) {
        if (VERSION.SDK_INT >= 14) {
            super.unregisterActivityLifecycleCallbacks(new ActivityLifecycleCallbacksImpl(activityLifecycleCallbacksCompat));
            return;
        }
        synchronized (this.mActivityLifecycleCallbacks) {
            this.mActivityLifecycleCallbacks.remove(activityLifecycleCallbacksCompat);
        }
    }

    void dispatchActivityCreatedCompat(Activity activity, Bundle bundle) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityCreated : collectActivityLifecycleCallbacks) {
                onActivityCreated.onActivityCreated(activity, bundle);
            }
        }
    }

    void dispatchActivityStartedCompat(Activity activity) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityStarted : collectActivityLifecycleCallbacks) {
                onActivityStarted.onActivityStarted(activity);
            }
        }
    }

    void dispatchActivityResumedCompat(Activity activity) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityResumed : collectActivityLifecycleCallbacks) {
                onActivityResumed.onActivityResumed(activity);
            }
        }
    }

    void dispatchActivityPausedCompat(Activity activity) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityPaused : collectActivityLifecycleCallbacks) {
                onActivityPaused.onActivityPaused(activity);
            }
        }
    }

    void dispatchActivityStoppedCompat(Activity activity) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityStopped : collectActivityLifecycleCallbacks) {
                onActivityStopped.onActivityStopped(activity);
            }
        }
    }

    void dispatchActivitySaveInstanceStateCompat(Activity activity, Bundle bundle) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivitySaveInstanceState : collectActivityLifecycleCallbacks) {
                onActivitySaveInstanceState.onActivitySaveInstanceState(activity, bundle);
            }
        }
    }

    void dispatchActivityDestroyedCompat(Activity activity) {
        ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks = collectActivityLifecycleCallbacks();
        if (collectActivityLifecycleCallbacks != null) {
            for (ActivityLifecycleCallbacksCompat onActivityDestroyed : collectActivityLifecycleCallbacks) {
                onActivityDestroyed.onActivityDestroyed(activity);
            }
        }
    }


    private ActivityLifecycleCallbacksCompat[] collectActivityLifecycleCallbacks() {
        ActivityLifecycleCallbacksCompat[] activityLifecycleCallbacksCompatArr = null;
        synchronized (this.mActivityLifecycleCallbacks) {
            if (this.mActivityLifecycleCallbacks.size() > 0) {
                activityLifecycleCallbacksCompatArr = this.mActivityLifecycleCallbacks.toArray(new ActivityLifecycleCallbacksCompat[this.mActivityLifecycleCallbacks.size()]);
            }
        }
        return activityLifecycleCallbacksCompatArr;
    }


    class ActivityLifecycleCallbacksImpl implements ActivityLifecycleCallbacks {
        private final ActivityLifecycleCallbacksCompat mActivityLifecycleCallbacksCompat;

        @Override
        public void onActivityCreated(Activity activity, Bundle bundle) {
            this.mActivityLifecycleCallbacksCompat.onActivityCreated(activity, bundle);
        }

        @Override
        public void onActivityStarted(Activity activity) {
            this.mActivityLifecycleCallbacksCompat.onActivityStarted(activity);
        }

        @Override
        public void onActivityResumed(Activity activity) {
            this.mActivityLifecycleCallbacksCompat.onActivityResumed(activity);
        }

        @Override
        public void onActivityPaused(Activity activity) {
            this.mActivityLifecycleCallbacksCompat.onActivityPaused(activity);
        }

        @Override
        public void onActivityStopped(Activity activity) {
            this.mActivityLifecycleCallbacksCompat.onActivityStopped(activity);
        }

        @Override
        public void onActivitySaveInstanceState(Activity activity, Bundle bundle) {
            this.mActivityLifecycleCallbacksCompat.onActivitySaveInstanceState(activity, bundle);
        }

        @Override
        public void onActivityDestroyed(Activity activity) {
            this.mActivityLifecycleCallbacksCompat.onActivityDestroyed(activity);
        }

        @Override
        public int hashCode() {
            return this.mActivityLifecycleCallbacksCompat.hashCode();
        }

        @Override
        public boolean equals(Object obj) {
            if (this == obj) {
                return true;
            }
            if (obj instanceof ActivityLifecycleCallbacksImpl) {
                return this.mActivityLifecycleCallbacksCompat.equals(((ActivityLifecycleCallbacksImpl) obj).mActivityLifecycleCallbacksCompat);
            }
            return false;
        }

        ActivityLifecycleCallbacksImpl(ActivityLifecycleCallbacksCompat activityLifecycleCallbacksCompat) {
            this.mActivityLifecycleCallbacksCompat = activityLifecycleCallbacksCompat;
        }
    }
}