ActivityState.java revision 6cf807453fb58ccd4cc513ff187b306c7090e67c
1f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin/* 2f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Copyright (C) 2010 The Android Open Source Project 3f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 4f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Licensed under the Apache License, Version 2.0 (the "License"); 5f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * you may not use this file except in compliance with the License. 6f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * You may obtain a copy of the License at 7f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 8f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * http://www.apache.org/licenses/LICENSE-2.0 9f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * 10f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * Unless required by applicable law or agreed to in writing, software 11f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * distributed under the License is distributed on an "AS IS" BASIS, 12f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * See the License for the specific language governing permissions and 14f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin * limitations under the License. 15f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin */ 16f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 17f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linpackage com.android.gallery3d.app; 18f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 19f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport com.android.gallery3d.ui.GLView; 20f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 21f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.app.ActionBar; 22f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.app.Activity; 23f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.content.Intent; 24f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.os.Bundle; 25f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.view.Menu; 26f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.view.MenuItem; 27f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.view.View; 28f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linimport android.view.WindowManager; 29f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 30f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Linabstract public class ActivityState { 31f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public static final int FLAG_HIDE_ACTION_BAR = 1; 32f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public static final int FLAG_HIDE_STATUS_BAR = 2; 33f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 34f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected GalleryActivity mActivity; 35f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected Bundle mData; 36f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected int mFlags; 37f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 38f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected ResultEntry mReceivedResults; 39f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected ResultEntry mResult; 40f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 41f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected static class ResultEntry { 42f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public int requestCode; 43f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public int resultCode = Activity.RESULT_CANCELED; 44f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public Intent resultData; 45f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ResultEntry next; 46f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 47f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 48f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected ActivityState() { 49f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 50f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 51f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void setContentPane(GLView content) { 52f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mActivity.getGLRoot().setContentPane(content); 53f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 54f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 55f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin void initialize(GalleryActivity activity, Bundle data) { 56f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mActivity = activity; 57f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mData = data; 58f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 59f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 60f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin public Bundle getData() { 61f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return mData; 62f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 63f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 64f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onBackPressed() { 65f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mActivity.getStateManager().finishState(this); 66f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 67f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 68f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void setStateResult(int resultCode, Intent data) { 69f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin if (mResult == null) return; 70f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mResult.resultCode = resultCode; 71f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mResult.resultData = data; 72f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 73f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 74f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onSaveState(Bundle outState) { 75f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 76f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 77f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onStateResult(int requestCode, int resultCode, Intent data) { 78f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 79f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 80f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onCreate(Bundle data, Bundle storedState) { 81f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 82f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 83f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onPause() { 84f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 85f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 86f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // should only be called by StateManager 87f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin void resume() { 88f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin Activity activity = (Activity) mActivity; 89f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ActionBar actionBar = activity.getActionBar(); 90f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin if (actionBar != null) { 91f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin if ((mFlags & FLAG_HIDE_ACTION_BAR) != 0) { 92f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin actionBar.hide(); 93f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } else { 94f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin actionBar.show(); 95f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 96f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin int stateCount = mActivity.getStateManager().getStateCount(); 97f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin actionBar.setDisplayOptions( 98f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin stateCount == 1 ? 0 : ActionBar.DISPLAY_HOME_AS_UP, 99f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ActionBar.DISPLAY_HOME_AS_UP); 100b6284920898627fa787900a99fc97b71a0c77574Owen Lin actionBar.setHomeButtonEnabled(true); 101f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 102f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 103f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin activity.invalidateOptionsMenu(); 104f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 105f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin if ((mFlags & FLAG_HIDE_STATUS_BAR) != 0) { 106f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin WindowManager.LayoutParams params = ((Activity) mActivity).getWindow().getAttributes(); 1076cf807453fb58ccd4cc513ff187b306c7090e67cOwen Lin params.systemUiVisibility = View.SYSTEM_UI_FLAG_LOW_PROFILE; 108f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ((Activity) mActivity).getWindow().setAttributes(params); 109f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } else { 110f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin WindowManager.LayoutParams params = ((Activity) mActivity).getWindow().getAttributes(); 1116cf807453fb58ccd4cc513ff187b306c7090e67cOwen Lin params.systemUiVisibility = View.SYSTEM_UI_FLAG_VISIBLE; 112f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ((Activity) mActivity).getWindow().setAttributes(params); 113f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 114f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 115f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin ResultEntry entry = mReceivedResults; 116f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin if (entry != null) { 117f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin mReceivedResults = null; 118f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin onStateResult(entry.requestCode, entry.resultCode, entry.resultData); 119f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 120f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin onResume(); 121f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 122f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 123f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin // a subclass of ActivityState should override the method to resume itself 124f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onResume() { 125f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 126f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 127f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected boolean onCreateActionBar(Menu menu) { 1286cf807453fb58ccd4cc513ff187b306c7090e67cOwen Lin // TODO: we should return false if there is no menu to show 1296cf807453fb58ccd4cc513ff187b306c7090e67cOwen Lin // this is a workaround for a bug in system 1306cf807453fb58ccd4cc513ff187b306c7090e67cOwen Lin return true; 131f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 132f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 133f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected boolean onItemSelected(MenuItem item) { 134f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin return false; 135f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 136f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin 137f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin protected void onDestroy() { 138f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin } 139f9a0a4306d589b4a4e20554fed512a603426bfa1Owen Lin} 140