1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dialer.callcomposer; 18 19 import android.content.Context; 20 import android.support.annotation.Nullable; 21 import android.support.v4.app.Fragment; 22 import com.android.dialer.common.Assert; 23 import com.android.dialer.common.FragmentUtils; 24 import com.android.dialer.common.LogUtil; 25 26 /** Base fragment with fields and methods needed for all fragments in the call compose UI. */ 27 public abstract class CallComposerFragment extends Fragment { 28 29 protected static final int CAMERA_PERMISSION = 1; 30 protected static final int STORAGE_PERMISSION = 2; 31 32 @Override onAttach(Context context)33 public void onAttach(Context context) { 34 super.onAttach(context); 35 if (FragmentUtils.getParent(this, CallComposerListener.class) == null) { 36 LogUtil.e( 37 "CallComposerFragment.onAttach", 38 "Container activity must implement CallComposerListener."); 39 Assert.fail(); 40 } 41 } 42 43 @Nullable getListener()44 public CallComposerListener getListener() { 45 return FragmentUtils.getParent(this, CallComposerListener.class); 46 } 47 shouldHide()48 public abstract boolean shouldHide(); 49 clearComposer()50 public abstract void clearComposer(); 51 52 /** Interface used to listen to CallComposeFragments */ 53 public interface CallComposerListener { 54 /** Let the listener know when a call is ready to be composed. */ composeCall(CallComposerFragment fragment)55 void composeCall(CallComposerFragment fragment); 56 57 /** Let the listener know when the layout has changed to full screen */ showFullscreen(boolean show)58 void showFullscreen(boolean show); 59 60 /** True is the listener is in fullscreen. */ isFullscreen()61 boolean isFullscreen(); 62 63 /** True if the layout is in landscape mode. */ isLandscapeLayout()64 boolean isLandscapeLayout(); 65 66 /** Tell the listener that call composition is done and we should start the call. */ sendAndCall()67 void sendAndCall(); 68 } 69 } 70