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 {
26     @Override
describeContents()27     public int describeContents() {
28         return 0;
29     }
30 
31     @Override
writeToParcel(Parcel dest, int flags)32     public void writeToParcel(Parcel dest, int flags) {
33     }
34 
35     //////////////////////////////////////////////////////////////////////////
36     //  These are requests sent from PhotoPage to the app
37     //////////////////////////////////////////////////////////////////////////
38 
isPanorama()39     public abstract boolean isPanorama();
isStaticCamera()40     public abstract boolean isStaticCamera();
attachScreenNail()41     public abstract ScreenNail attachScreenNail();
detachScreenNail()42     public abstract void detachScreenNail();
43 
44     // Return true if the tap is consumed.
onSingleTapUp(int x, int y)45     public abstract boolean onSingleTapUp(int x, int y);
46 
47     // This is used to notify that the screen nail will be drawn in full screen
48     // or not in next draw() call.
onFullScreenChanged(boolean full)49     public abstract void onFullScreenChanged(boolean full);
50 
51     //////////////////////////////////////////////////////////////////////////
52     //  These are requests send from app to PhotoPage
53     //////////////////////////////////////////////////////////////////////////
54 
55     public interface Server {
56         // Set the camera frame relative to GLRootView.
setCameraRelativeFrame(Rect frame)57         public void setCameraRelativeFrame(Rect frame);
58         // Switch to the previous or next picture using the capture animation.
59         // The offset is -1 to switch to the previous picture, 1 to switch to
60         // the next picture.
switchWithCaptureAnimation(int offset)61         public boolean switchWithCaptureAnimation(int offset);
62         // Enable or disable the swiping gestures (the default is enabled).
setSwipingEnabled(boolean enabled)63         public void setSwipingEnabled(boolean enabled);
64         // Notify that the ScreenNail is changed.
notifyScreenNailChanged()65         public void notifyScreenNailChanged();
66         // Add a new media item to the secure album.
addSecureAlbumItem(boolean isVideo, int id)67         public void addSecureAlbumItem(boolean isVideo, int id);
68     }
69 
70     // If server is null, the services are not available.
setServer(Server server)71     public abstract void setServer(Server server);
72 }
73