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Commit 1f6c7e6a authored by Mike LeBeau's avatar Mike LeBeau
Browse files

Change the broadcast intent for dock state changes from a sticky broadcast to 

a sticky ordered broadcast. This is so individual apps can override the default
behavior and stop the related dock app from launching.
parent e69335f8

services/java/com/android/server/DockObserver.java

+48 −25
Original line number Diff line number Diff line
@@ -16,7 +16,9 @@ 


package com.android.server;



import android.app.Activity;

import android.content.ActivityNotFoundException;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.Handler;
@@ -45,6 +47,43 @@ class DockObserver extends UEventObserver { 


    private PowerManagerService mPowerManager;

    

    // The broadcast receiver which receives the result of the ordered broadcast sent when

    // the dock state changes. The original ordered broadcast is sent with an initial result

    // code of RESULT_OK. If any of the registered broadcast receivers changes this value, e.g.,

    // to RESULT_CANCELED, then the intent to start a dock app will not be sent.

    private final BroadcastReceiver mResultReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            if (getResultCode() != Activity.RESULT_OK) {

                return;

            }

            

            // Launch a dock activity

            String category;

            switch (mDockState) {

                case Intent.EXTRA_DOCK_STATE_CAR:

                    category = Intent.CATEGORY_CAR_DOCK;

                    break;

                case Intent.EXTRA_DOCK_STATE_DESK:

                    category = Intent.CATEGORY_DESK_DOCK;

                    break;

                default:

                    category = null;

                    break;

            }

            if (category != null) {

                intent = new Intent(Intent.ACTION_MAIN);

                intent.addCategory(category);

                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                try {

                    mContext.startActivity(intent);

                } catch (ActivityNotFoundException e) {

                    Log.w(TAG, e.getCause());

                }

            }

        }

    };



    public DockObserver(Context context, PowerManagerService pm) {

        mContext = context;

        mPowerManager = pm;
@@ -111,31 +150,15 @@ class DockObserver extends UEventObserver { 
                mPowerManager.userActivityWithForce(SystemClock.uptimeMillis(), false, true);

                Intent intent = new Intent(Intent.ACTION_DOCK_EVENT);

                intent.putExtra(Intent.EXTRA_DOCK_STATE, mDockState);

                mContext.sendStickyBroadcast(intent);

                

                // Launch a dock activity

                String category;

                switch (mDockState) {

                    case Intent.EXTRA_DOCK_STATE_CAR:

                        category = Intent.CATEGORY_CAR_DOCK;

                        break;

                    case Intent.EXTRA_DOCK_STATE_DESK:

                        category = Intent.CATEGORY_DESK_DOCK;

                        break;

                    default:

                        category = null;

                        break;

                }

                if (category != null) {

                    intent = new Intent(Intent.ACTION_MAIN);

                    intent.addCategory(category);

                    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

                    try {

                        mContext.startActivity(intent);

                    } catch (ActivityNotFoundException e) {

                        Log.w(TAG, e.getCause());

                    }

                }

                // Send the ordered broadcast; the result receiver will receive after all

                // broadcasts have been sent. If any broadcast receiver changes the result

                // code from the initial value of RESULT_OK, then the result receiver will

                // not launch the corresponding dock application. This gives apps a chance

                // to override the behavior and stay in their app even when the device is

                // placed into a dock.

                mContext.sendStickyOrderedBroadcast(

                        intent, mResultReceiver, null, Activity.RESULT_OK, null, null);

            }

        }

    };