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author | Owen Lin <owenlin@google.com> | 2011-08-17 22:07:43 +0800 |
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committer | Owen Lin <owenlin@google.com> | 2011-08-18 13:33:50 +0800 |
commit | a2fba687d4d2dbb3b2db8866b054ecb0e42871b2 (patch) | |
tree | dacc5a60ed945fe989aebf1f227f72bc90ebc4b8 /src/com/android/gallery3d/app/ActivityState.java | |
parent | a053a3179cfee3d2bb666eff5f4f03a96b092e04 (diff) | |
download | android_packages_apps_Snap-a2fba687d4d2dbb3b2db8866b054ecb0e42871b2.tar.gz android_packages_apps_Snap-a2fba687d4d2dbb3b2db8866b054ecb0e42871b2.tar.bz2 android_packages_apps_Snap-a2fba687d4d2dbb3b2db8866b054ecb0e42871b2.zip |
Initial code for Gallery2.
fix: 5176434
Change-Id: I041e282b9c7b34ceb1db8b033be2b853bb3a992c
Diffstat (limited to 'src/com/android/gallery3d/app/ActivityState.java')
-rw-r--r-- | src/com/android/gallery3d/app/ActivityState.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/app/ActivityState.java b/src/com/android/gallery3d/app/ActivityState.java new file mode 100644 index 000000000..bfacc5484 --- /dev/null +++ b/src/com/android/gallery3d/app/ActivityState.java @@ -0,0 +1,136 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.gallery3d.app; + +import com.android.gallery3d.ui.GLView; + +import android.app.ActionBar; +import android.app.Activity; +import android.content.Intent; +import android.os.Bundle; +import android.view.Menu; +import android.view.MenuItem; +import android.view.View; +import android.view.WindowManager; + +abstract public class ActivityState { + public static final int FLAG_HIDE_ACTION_BAR = 1; + public static final int FLAG_HIDE_STATUS_BAR = 2; + + protected GalleryActivity mActivity; + protected Bundle mData; + protected int mFlags; + + protected ResultEntry mReceivedResults; + protected ResultEntry mResult; + + protected static class ResultEntry { + public int requestCode; + public int resultCode = Activity.RESULT_CANCELED; + public Intent resultData; + ResultEntry next; + } + + protected ActivityState() { + } + + protected void setContentPane(GLView content) { + mActivity.getGLRoot().setContentPane(content); + } + + void initialize(GalleryActivity activity, Bundle data) { + mActivity = activity; + mData = data; + } + + public Bundle getData() { + return mData; + } + + protected void onBackPressed() { + mActivity.getStateManager().finishState(this); + } + + protected void setStateResult(int resultCode, Intent data) { + if (mResult == null) return; + mResult.resultCode = resultCode; + mResult.resultData = data; + } + + protected void onSaveState(Bundle outState) { + } + + protected void onStateResult(int requestCode, int resultCode, Intent data) { + } + + protected void onCreate(Bundle data, Bundle storedState) { + } + + protected void onPause() { + } + + // should only be called by StateManager + void resume() { + Activity activity = (Activity) mActivity; + ActionBar actionBar = activity.getActionBar(); + if (actionBar != null) { + if ((mFlags & FLAG_HIDE_ACTION_BAR) != 0) { + actionBar.hide(); + } else { + actionBar.show(); + } + int stateCount = mActivity.getStateManager().getStateCount(); + actionBar.setDisplayOptions( + stateCount == 1 ? 0 : ActionBar.DISPLAY_HOME_AS_UP, + ActionBar.DISPLAY_HOME_AS_UP); + } + + activity.invalidateOptionsMenu(); + + if ((mFlags & FLAG_HIDE_STATUS_BAR) != 0) { + WindowManager.LayoutParams params = ((Activity) mActivity).getWindow().getAttributes(); + params.systemUiVisibility = View.STATUS_BAR_HIDDEN; + ((Activity) mActivity).getWindow().setAttributes(params); + } else { + WindowManager.LayoutParams params = ((Activity) mActivity).getWindow().getAttributes(); + params.systemUiVisibility = View.STATUS_BAR_VISIBLE; + ((Activity) mActivity).getWindow().setAttributes(params); + } + + ResultEntry entry = mReceivedResults; + if (entry != null) { + mReceivedResults = null; + onStateResult(entry.requestCode, entry.resultCode, entry.resultData); + } + onResume(); + } + + // a subclass of ActivityState should override the method to resume itself + protected void onResume() { + } + + protected boolean onCreateActionBar(Menu menu) { + return false; + } + + protected boolean onItemSelected(MenuItem item) { + return false; + } + + protected void onDestroy() { + } +} |