am f535c820: Merge "Restore dock home support for car docks." into jb-mr2-dev

* commit 'f535c820c428d4eefffcb224f2572a9c5b9965ea':
  Restore dock home support for car docks.

policy/src/com/android/internal/policy/impl/PhoneWindowManager.java

@@ -18,6 +18,7 @@ package com.android.internal.policy.impl;
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.AppOpsManager;
+import android.app.IUiModeManager;
 import android.app.ProgressDialog;
 import android.app.SearchManager;
 import android.app.UiModeManager;
@@ -31,6 +32,7 @@ import android.content.IntentFilter;
 import android.content.ServiceConnection;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.content.res.CompatibilityInfo;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -125,6 +127,11 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     static final boolean SHOW_STARTING_ANIMATIONS = true;
     static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
 
+    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
+    // No longer recommended for desk docks; still useful in car docks.
+    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
+    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
+
     static final int LONG_PRESS_POWER_NOTHING = 0;
     static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
     static final int LONG_PRESS_POWER_SHUT_OFF = 2;
@@ -247,6 +254,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     boolean mSystemReady;
     boolean mSystemBooted;
     boolean mHdmiPlugged;
+    int mUiMode;
     int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
     int mLidOpenRotation;
     int mCarDockRotation;
@@ -832,6 +840,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         mSettingsObserver.observe();
         mShortcutManager = new ShortcutManager(context, mHandler);
         mShortcutManager.observe();
+        mUiMode = context.getResources().getInteger(
+                com.android.internal.R.integer.config_defaultUiModeType);
         mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
         mHomeIntent.addCategory(Intent.CATEGORY_HOME);
         mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
@@ -3951,6 +3961,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
                 mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
                         Intent.EXTRA_DOCK_STATE_UNDOCKED);
+            } else {
+                try {
+                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
+                            ServiceManager.getService(Context.UI_MODE_SERVICE));
+                    mUiMode = uiModeService.getCurrentModeType();
+                } catch (RemoteException e) {
+                }
             }
             updateRotation(true);
             synchronized (mLock) {
@@ -4587,9 +4604,70 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         }
     }
 
+    /**
+     * Return an Intent to launch the currently active dock app as home.  Returns
+     * null if the standard home should be launched, which is the case if any of the following is
+     * true:
+     * <ul>
+     *  <li>The device is not in either car mode or desk mode
+     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
+     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
+     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
+     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
+     * </ul>
+     * @return
+     */
+    Intent createHomeDockIntent() {
+        Intent intent = null;
+
+        // What home does is based on the mode, not the dock state.  That
+        // is, when in car mode you should be taken to car home regardless
+        // of whether we are actually in a car dock.
+        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
+            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
+                intent = mCarDockIntent;
+            }
+        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
+            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
+                intent = mDeskDockIntent;
+            }
+        }
+
+        if (intent == null) {
+            return null;
+        }
+
+        ActivityInfo ai = null;
+        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
+                intent,
+                PackageManager.MATCH_DEFAULT_ONLY,
+                UserHandle.USER_CURRENT);
+        if (info != null) {
+            ai = info.activityInfo;
+        }
+        if (ai != null
+                && ai.metaData != null
+                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
+            intent = new Intent(intent);
+            intent.setClassName(ai.packageName, ai.name);
+            return intent;
+        }
+
+        return null;
+    }
+
     void startDockOrHome() {
         awakenDreams();
-        // We don't have dock home anymore. Home is home. If you lived here, you'd be home by now.
+
+        Intent dock = createHomeDockIntent();
+        if (dock != null) {
+            try {
+                mContext.startActivityAsUser(dock, UserHandle.CURRENT);
+                return;
+            } catch (ActivityNotFoundException e) {
+            }
+        }
+
         mContext.startActivityAsUser(mHomeIntent, UserHandle.CURRENT);
     }
     
@@ -4616,6 +4694,18 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                 } else {
                     ActivityManagerNative.getDefault().stopAppSwitches();
                     sendCloseSystemWindows();
+                    Intent dock = createHomeDockIntent();
+                    if (dock != null) {
+                        int result = ActivityManagerNative.getDefault()
+                                .startActivityAsUser(null, null, dock,
+                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
+                                        null, null, 0,
+                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
+                                        null, null, null, UserHandle.USER_CURRENT);
+                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
+                            return false;
+                        }
+                    }
                 }
                 int result = ActivityManagerNative.getDefault()
                         .startActivityAsUser(null, null, mHomeIntent,
@@ -4844,7 +4934,8 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
                     pw.println(mLastFocusNeedsMenu);
         }
-        pw.print(prefix); pw.print("mDockMode="); pw.print(mDockMode);
+        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
+                pw.print(" mDockMode="); pw.print(mDockMode);
                 pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
                 pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
         pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);