Support primitive ALT-TAB style navigation using Recent Apps. (DO NOT MERGE) (eea0aa25) · Commits · e / os / android_frameworks_base

data/keyboards/Generic.kcm

+6 −6

Original line number	Diff line number	Diff line
		@@ -287,8 +287,8 @@ key 9 {
		key SPACE {
		label: ' '
		base: ' '
		ctrl, alt: none
		meta: fallback SEARCH
		ctrl: none
		alt, meta: fallback SEARCH
		}

		key ENTER {
		@@ -300,8 +300,8 @@ key ENTER {
		key TAB {
		label: '\t'
		base: '\t'
		ctrl, alt: none
		meta: fallback APP_SWITCH
		ctrl: none
		alt, meta: fallback APP_SWITCH
		}

		key COMMA {
		@@ -542,8 +542,8 @@ key PLUS {

		key ESCAPE {
		base: fallback BACK
		meta: fallback HOME
		alt: fallback MENU
		alt, meta: fallback HOME
		ctrl: fallback MENU
		}

		### Gamepad buttons ###

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

+4 −4

Original line number	Diff line number	Diff line
		@@ -623,7 +623,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		}

		if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_DIALOG) {
		showRecentAppsDialog();
		showRecentAppsDialog(0);
		} else if (mLongPressOnHomeBehavior == LONG_PRESS_HOME_RECENT_ACTIVITY) {
		try {
		Intent intent = new Intent();
		@@ -642,12 +642,12 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		/**
		* Create (if necessary) and launch the recent apps dialog
		*/
		void showRecentAppsDialog() {
		void showRecentAppsDialog(final int initialModifiers) {
		mHandler.post(new Runnable() {
		@Override
		public void run() {
		if (mRecentAppsDialog == null) {
		mRecentAppsDialog = new RecentApplicationsDialog(mContext);
		mRecentAppsDialog = new RecentApplicationsDialog(mContext, initialModifiers);
		}
		mRecentAppsDialog.show();
		}
		@@ -1433,7 +1433,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
		return false;
		} else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
		if (down && repeatCount == 0) {
		showRecentAppsDialog();
		showRecentAppsDialog(event.getMetaState() & KeyEvent.getModifierMetaStateMask());
		}
		return true;
		}

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

+88 −22

Original line number	Diff line number	Diff line
		@@ -17,16 +17,13 @@
		package com.android.internal.policy.impl;

		import android.app.ActivityManager;
		import android.app.ActivityManagerNative;
		import android.app.Dialog;
		import android.app.IActivityManager;
		import android.app.StatusBarManager;
		import android.content.ActivityNotFoundException;
		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.content.res.Resources;
		import android.content.pm.ActivityInfo;
		import android.content.pm.PackageManager;
		import android.content.pm.ResolveInfo;
		@@ -34,6 +31,8 @@ import android.graphics.drawable.Drawable;
		import android.os.Bundle;
		import android.os.Handler;
		import android.util.Log;
		import android.view.KeyEvent;
		import android.view.SoundEffectConstants;
		import android.view.View;
		import android.view.Window;
		import android.view.WindowManager;
		@@ -72,13 +71,12 @@ public class RecentApplicationsDialog extends Dialog implements OnClickListener
		}
		};

		private int mIconSize;
		private int mInitialModifiers;

		public RecentApplicationsDialog(Context context) {
		public RecentApplicationsDialog(Context context, int initialModifiers) {
		super(context, com.android.internal.R.style.Theme_Dialog_RecentApplications);

		final Resources resources = context.getResources();
		mIconSize = (int) resources.getDimension(android.R.dimen.app_icon_size);
		mInitialModifiers = initialModifiers;
		}

		/**
		@@ -127,14 +125,86 @@ public class RecentApplicationsDialog extends Dialog implements OnClickListener
		}
		}

		@Override
		public boolean onKeyDown(int keyCode, KeyEvent event) {
		if (keyCode == KeyEvent.KEYCODE_APP_SWITCH \|\| keyCode == KeyEvent.KEYCODE_TAB) {
		// Ignore all meta keys other than SHIFT. The app switch key could be a
		// fallback action chorded with ALT, META or even CTRL depending on the key map.
		// DPad navigation is handled by the ViewRoot elsewhere.
		final boolean backward = event.isShiftPressed();
		final int numIcons = mIcons.length;
		int numButtons = 0;
		while (numButtons < numIcons && mIcons[numButtons].getVisibility() == View.VISIBLE) {
		numButtons += 1;
		}
		if (numButtons != 0) {
		int nextFocus = backward ? numButtons - 1 : 0;
		for (int i = 0; i < numButtons; i++) {
		if (mIcons[i].hasFocus()) {
		if (backward) {
		nextFocus = (i + numButtons - 1) % numButtons;
		} else {
		nextFocus = (i + 1) % numButtons;
		}
		break;
		}
		}
		final int direction = backward ? View.FOCUS_BACKWARD : View.FOCUS_FORWARD;
		if (mIcons[nextFocus].requestFocus(direction)) {
		mIcons[nextFocus].playSoundEffect(
		SoundEffectConstants.getContantForFocusDirection(direction));
		}
		}

		// The dialog always handles the key to prevent the ViewRoot from
		// performing the default navigation itself.
		return true;
		}

		return super.onKeyDown(keyCode, event);
		}

		@Override
		public boolean onKeyUp(int keyCode, KeyEvent event) {
		if (mInitialModifiers != 0 && event.hasNoModifiers()) {
		final int numIcons = mIcons.length;
		RecentTag tag = null;
		for (int i = 0; i < numIcons; i++) {
		if (mIcons[i].getVisibility() != View.VISIBLE) {
		break;
		}
		if (i == 0 \|\| mIcons[i].hasFocus()) {
		tag = (RecentTag) mIcons[i].getTag();
		if (mIcons[i].hasFocus()) {
		break;
		}
		}
		}
		if (tag != null) {
		switchTo(tag);
		}
		dismiss();
		return true;
		}

		return super.onKeyUp(keyCode, event);
		}

		/**
		* Handler for user clicks. If a button was clicked, launch the corresponding activity.
		*/
		public void onClick(View v) {

		for (TextView b: mIcons) {
		if (b == v) {
		RecentTag tag = (RecentTag)b.getTag();
		switchTo(tag);
		break;
		}
		}
		dismiss();
		}

		private void switchTo(RecentTag tag) {
		if (tag.info.id >= 0) {
		// This is an active task; it should just go to the foreground.
		final ActivityManager am = (ActivityManager)
		@@ -149,10 +219,6 @@ public class RecentApplicationsDialog extends Dialog implements OnClickListener
		Log.w("Recent", "Unable to launch recent task", e);
		}
		}
		break;
		}
		}
		dismiss();
		}

		/**