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 */
16package com.android.gallery3d.app;
17
18import android.graphics.Rect;
19import android.os.Parcel;
20import android.os.Parcelable;
21
22import com.android.gallery3d.ui.ScreenNail;
23
24// This is the bridge to connect a PhotoPage to the external environment.
25public abstract class AppBridge implements Parcelable {
26    @Override
27    public int describeContents() {
28        return 0;
29    }
30
31    @Override
32    public void writeToParcel(Parcel dest, int flags) {
33    }
34
35    //////////////////////////////////////////////////////////////////////////
36    //  These are requests sent from PhotoPage to the app
37    //////////////////////////////////////////////////////////////////////////
38
39    public abstract boolean isPanorama();
40    public abstract boolean isStaticCamera();
41    public abstract ScreenNail attachScreenNail();
42    public abstract void detachScreenNail();
43
44    // Return true if the tap is consumed.
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.
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.
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.
61        public boolean switchWithCaptureAnimation(int offset);
62        // Enable or disable the swiping gestures (the default is enabled).
63        public void setSwipingEnabled(boolean enabled);
64        // Notify that the ScreenNail is changed.
65        public void notifyScreenNailChanged();
66        // Add a new media item to the secure album.
67        public void addSecureAlbumItem(boolean isVideo, int id);
68    }
69
70    // If server is null, the services are not available.
71    public abstract void setServer(Server server);
72}
73