1 /* 2 * Copyright (C) 2012 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 package com.android.gallery3d.app; 17 18 import android.graphics.Rect; 19 import android.os.Parcel; 20 import android.os.Parcelable; 21 22 import com.android.gallery3d.ui.ScreenNail; 23 24 // This is the bridge to connect a PhotoPage to the external environment. 25 public abstract class AppBridge implements Parcelable { describeContents()26 public int describeContents() { 27 return 0; 28 } 29 writeToParcel(Parcel dest, int flags)30 public void writeToParcel(Parcel dest, int flags) { 31 } 32 33 ////////////////////////////////////////////////////////////////////////// 34 // These are requests sent from PhotoPage to the app 35 ////////////////////////////////////////////////////////////////////////// 36 isPanorama()37 public abstract boolean isPanorama(); attachScreenNail()38 public abstract ScreenNail attachScreenNail(); detachScreenNail()39 public abstract void detachScreenNail(); 40 41 // Return true if the tap is consumed. onSingleTapUp(int x, int y)42 public abstract boolean onSingleTapUp(int x, int y); 43 44 // This is used to notify that the screen nail will be drawn in full screen 45 // or not in next draw() call. onFullScreenChanged(boolean full)46 public abstract void onFullScreenChanged(boolean full); 47 48 ////////////////////////////////////////////////////////////////////////// 49 // These are requests send from app to PhotoPage 50 ////////////////////////////////////////////////////////////////////////// 51 52 public interface Server { 53 // Set the camera frame relative to GLRootView. setCameraRelativeFrame(Rect frame)54 public void setCameraRelativeFrame(Rect frame); 55 // Switch to the previous or next picture using the capture animation. 56 // The offset is -1 to switch to the previous picture, 1 to switch to 57 // the next picture. switchWithCaptureAnimation(int offset)58 public boolean switchWithCaptureAnimation(int offset); 59 // Enable or disable the swiping gestures (the default is enabled). setSwipingEnabled(boolean enabled)60 public void setSwipingEnabled(boolean enabled); 61 // Notify that the ScreenNail is changed. notifyScreenNailChanged()62 public void notifyScreenNailChanged(); 63 } 64 65 // If server is null, the services are not available. setServer(Server server)66 public abstract void setServer(Server server); 67 } 68