flutter_flutter/sky/shell/android/update_service_android.cc
Matt Perry 81b2b81b1d Replace C++ UpdateTask with an empty dart version, loaded as a snapshot.
This adds a new placeholder dart package updater in sky/packages. This is built
into a snapshot and compiled into the Sky engine binary using the same
mechanism as the Dart isolate.

I also added a SkyHeadless class, similar to SkyView, used for running Dart
code without a view.
2015-09-23 14:09:38 -04:00

64 lines
1.9 KiB
C++

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sky/shell/android/update_service_android.h"
#include "base/logging.h"
#include "base/task_runner_util.h"
#include "jni/UpdateService_jni.h"
#include "sky/engine/bindings/updater_snapshot.h"
#include "sky/engine/public/sky/sky_headless.h"
#include "sky/shell/shell.h"
namespace sky {
namespace shell {
static jlong CheckForUpdates(JNIEnv* env, jobject jcaller) {
scoped_ptr<UpdateTaskAndroid> task(new UpdateTaskAndroid(env, jcaller));
task->Start();
return reinterpret_cast<jlong>(task.release());
}
bool RegisterUpdateService(JNIEnv* env) {
return RegisterNativesImpl(env);
}
UpdateTaskAndroid::UpdateTaskAndroid(JNIEnv* env, jobject update_service)
: headless_(new blink::SkyHeadless) {
update_service_.Reset(env, update_service);
}
UpdateTaskAndroid::~UpdateTaskAndroid() {
}
void UpdateTaskAndroid::Start() {
Shell::Shared().ui_task_runner()->PostTask(
FROM_HERE, base::Bind(&UpdateTaskAndroid::RunDartOnUIThread,
base::Unretained(this)));
}
void UpdateTaskAndroid::RunDartOnUIThread() {
// TODO(mpcomplete): pass variables into main.
headless_->Init("sky:updater");
headless_->RunFromSnapshotBuffer(kUpdaterSnapshotBuffer,
kUpdaterSnapshotBufferSize);
// TODO(mpcomplete): Have Dart notify us when done so we can notify Java
// and be deleted. Or can Dart talk to Java directly?
}
void UpdateTaskAndroid::Finish() {
// The Java side is responsible for deleting us when finished.
Java_UpdateService_onUpdateFinished(base::android::AttachCurrentThread(),
update_service_.obj());
}
void UpdateTaskAndroid::Destroy(JNIEnv* env, jobject jcaller) {
delete this;
}
} // namespace shell
} // namespace sky