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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 package org.chromium.blimp.session; | |
| 6 | |
| 7 import org.chromium.base.annotations.CalledByNative; | |
| 8 import org.chromium.base.annotations.JNINamespace; | |
| 9 import org.chromium.blimp.R; | |
| 10 import org.chromium.blimp_public.session.AssignmentRequestResult; | |
| 11 import org.chromium.ui.base.WindowAndroid; | |
| 12 | |
| 13 import java.util.ArrayList; | |
| 14 import java.util.List; | |
| 15 | |
| 16 /** | |
| 17 * The Java representation of a native BlimpClientSession. This is primarily us
ed to provide access | |
| 18 * to the native session methods and to facilitate passing a BlimpClientSession
object between Java | |
| 19 * classes with native counterparts. | |
| 20 */ | |
| 21 @JNINamespace("blimp::client") | |
| 22 public class BlimpClientSession { | |
| 23 /** | |
| 24 * An observer for when the session needs to notify the UI about the state o
f the Blimp session. | |
| 25 */ | |
| 26 public interface ConnectionObserver { | |
| 27 /** | |
| 28 * Called when an engine assignment has been successful or failed. | |
| 29 * @param result The result code of the assignment.
See | |
| 30 * assignment_source.h for details. M
aps to a value in | |
| 31 * {@link Result}. | |
| 32 * @param suggestedMessageResourceId A suggested resource id for a strin
g to display to the | |
| 33 * user if necessary. | |
| 34 * @param engineInfo IP address and version of blimp eng
ine. | |
| 35 */ | |
| 36 void onAssignmentReceived( | |
| 37 int result, int suggestedMessageResourceId, EngineInfo engineInf
o); | |
| 38 | |
| 39 /** | |
| 40 * Called when a connection to the engine was made successfully. | |
| 41 */ | |
| 42 void onConnected(); | |
| 43 | |
| 44 /** | |
| 45 * Called when the engine connection was dropped. | |
| 46 * @param reason The string-based error code. | |
| 47 * See net/base/net_errors.h for a complete list of codes | |
| 48 * and their explanations. | |
| 49 */ | |
| 50 void onDisconnected(String reason); | |
| 51 | |
| 52 /** | |
| 53 * Called to update the debug UI about network statistics for the curren
t web page. | |
| 54 * @param received Number of bytes received. | |
| 55 * @param sent Number of bytes sent. | |
| 56 * @param commit Number of commits completed. | |
| 57 */ | |
| 58 void updateDebugStatsUI(int received, int sent, int commits); | |
| 59 } | |
| 60 | |
| 61 private final String mAssignerUrl; | |
| 62 private final List<ConnectionObserver> mObservers; | |
| 63 private long mNativeBlimpClientSessionAndroidPtr; | |
| 64 | |
| 65 public BlimpClientSession(String assignerUrl, WindowAndroid windowAndroid) { | |
| 66 mAssignerUrl = assignerUrl; | |
| 67 mObservers = new ArrayList<ConnectionObserver>(); | |
| 68 mNativeBlimpClientSessionAndroidPtr = | |
| 69 nativeInit(mAssignerUrl, windowAndroid.getNativePointer()); | |
| 70 } | |
| 71 | |
| 72 /** | |
| 73 * Add an observer to be notified about the connection status. | |
| 74 * @param observer The observer to add. | |
| 75 */ | |
| 76 public void addObserver(ConnectionObserver observer) { | |
| 77 mObservers.add(observer); | |
| 78 } | |
| 79 | |
| 80 /** | |
| 81 * Remove an observer from the observer list. | |
| 82 * @param observer The observer to remove. | |
| 83 */ | |
| 84 public void removeObserver(ConnectionObserver observer) { | |
| 85 mObservers.remove(observer); | |
| 86 } | |
| 87 | |
| 88 /** | |
| 89 * Retrieves an assignment and uses it to connect to the engine. | |
| 90 * @param token A OAuth2 access token for the account requesting access. | |
| 91 */ | |
| 92 public void connect(String token) { | |
| 93 nativeConnect(mNativeBlimpClientSessionAndroidPtr, token); | |
| 94 } | |
| 95 | |
| 96 /** | |
| 97 * Destroys the native BlimpClientSession. This class should not be used af
ter this is called. | |
| 98 */ | |
| 99 public void destroy() { | |
| 100 if (mNativeBlimpClientSessionAndroidPtr == 0) return; | |
| 101 | |
| 102 mObservers.clear(); | |
| 103 nativeDestroy(mNativeBlimpClientSessionAndroidPtr); | |
| 104 mNativeBlimpClientSessionAndroidPtr = 0; | |
| 105 } | |
| 106 | |
| 107 // Methods that are called by native via JNI. | |
| 108 @CalledByNative | |
| 109 private void onAssignmentReceived(int result, String engineIP, String engine
Version) { | |
| 110 if (mObservers.isEmpty()) return; | |
| 111 | |
| 112 int resultMessageResourceId = R.string.assignment_failure_unknown; | |
| 113 switch (result) { | |
| 114 case AssignmentRequestResult.OK: | |
| 115 resultMessageResourceId = R.string.assignment_success; | |
| 116 break; | |
| 117 case AssignmentRequestResult.BAD_REQUEST: | |
| 118 resultMessageResourceId = R.string.assignment_failure_bad_reques
t; | |
| 119 break; | |
| 120 case AssignmentRequestResult.BAD_RESPONSE: | |
| 121 resultMessageResourceId = R.string.assignment_failure_bad_respon
se; | |
| 122 break; | |
| 123 case AssignmentRequestResult.INVALID_PROTOCOL_VERSION: | |
| 124 resultMessageResourceId = R.string.assignment_failure_bad_versio
n; | |
| 125 break; | |
| 126 case AssignmentRequestResult.EXPIRED_ACCESS_TOKEN: | |
| 127 resultMessageResourceId = R.string.assignment_failure_expired_to
ken; | |
| 128 break; | |
| 129 case AssignmentRequestResult.USER_INVALID: | |
| 130 resultMessageResourceId = R.string.assignment_failure_user_inval
id; | |
| 131 break; | |
| 132 case AssignmentRequestResult.OUT_OF_VMS: | |
| 133 resultMessageResourceId = R.string.assignment_failure_out_of_vms
; | |
| 134 break; | |
| 135 case AssignmentRequestResult.SERVER_ERROR: | |
| 136 resultMessageResourceId = R.string.assignment_failure_server_err
or; | |
| 137 break; | |
| 138 case AssignmentRequestResult.SERVER_INTERRUPTED: | |
| 139 resultMessageResourceId = R.string.assignment_failure_server_int
errupted; | |
| 140 break; | |
| 141 case AssignmentRequestResult.NETWORK_FAILURE: | |
| 142 resultMessageResourceId = R.string.assignment_failure_network; | |
| 143 break; | |
| 144 case AssignmentRequestResult.UNKNOWN: | |
| 145 default: | |
| 146 resultMessageResourceId = R.string.assignment_failure_unknown; | |
| 147 break; | |
| 148 } | |
| 149 for (ConnectionObserver observer : mObservers) { | |
| 150 observer.onAssignmentReceived(result, resultMessageResourceId, | |
| 151 new EngineInfo(engineIP, engineVersion, mAssignerUrl)); | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 @CalledByNative | |
| 156 void onConnected() { | |
| 157 for (ConnectionObserver observer : mObservers) { | |
| 158 observer.onConnected(); | |
| 159 } | |
| 160 } | |
| 161 | |
| 162 @CalledByNative | |
| 163 void onDisconnected(String reason) { | |
| 164 for (ConnectionObserver observer : mObservers) { | |
| 165 observer.onDisconnected(reason); | |
| 166 } | |
| 167 } | |
| 168 | |
| 169 @CalledByNative | |
| 170 private long getNativePtr() { | |
| 171 assert mNativeBlimpClientSessionAndroidPtr != 0; | |
| 172 return mNativeBlimpClientSessionAndroidPtr; | |
| 173 } | |
| 174 | |
| 175 /** | |
| 176 * Makes a JNI call to pull the debug statistics. | |
| 177 */ | |
| 178 public int[] getDebugStats() { | |
| 179 if (mNativeBlimpClientSessionAndroidPtr == 0) return null; | |
| 180 return nativeGetDebugInfo(mNativeBlimpClientSessionAndroidPtr); | |
| 181 } | |
| 182 | |
| 183 private native long nativeInit(String assignerUrl, long windowAndroidPtr); | |
| 184 private native void nativeConnect(long nativeBlimpClientSessionAndroid, Stri
ng token); | |
| 185 private native void nativeDestroy(long nativeBlimpClientSessionAndroid); | |
| 186 private native int[] nativeGetDebugInfo(long nativeBlimpClientSessionAndroid
); | |
| 187 } | |
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Chromium Code Reviews
Issue 2493333002:
Move Java Blimp shell code to app subpackage (Closed)
