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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
package org.skia.viewer;
import android.app.Application;
import android.content.res.AssetManager;
public class ViewerApplication extends Application {
private long mNativeHandle = 0;
private ViewerActivity mViewerActivity;
private String mStateJsonStr, mTitle;
static {
System.loadLibrary("viewer");
}
private native long createNativeApp(AssetManager assetManager);
private native void destroyNativeApp(long handle);
@Override
public void onCreate() {
super.onCreate();
mNativeHandle = createNativeApp(this.getResources().getAssets());
}
@Override
public void onTerminate() {
if (mNativeHandle != 0) {
destroyNativeApp(mNativeHandle);
mNativeHandle = 0;
}
super.onTerminate();
}
public long getNativeHandle() {
return mNativeHandle;
}
public void setViewerActivity(ViewerActivity viewerActivity) {
mViewerActivity = viewerActivity;
// Note that viewerActivity might be null (called by onDestroy)
if (mViewerActivity != null) {
// A new ViewerActivity is created; initialize its state and title
if (mStateJsonStr != null) {
mViewerActivity.setState(mStateJsonStr);
}
if (mTitle != null) {
mViewerActivity.setTitle(mTitle);
}
}
}
public void setTitle(String title) {
mTitle = title; // Similar to mStateJsonStr, we have to store this.
if (mTitle.startsWith("Viewer: ")) { // Quick hack to shorten the title
mTitle = mTitle.replaceFirst("Viewer: ", "");
}
if (mViewerActivity != null) {
mViewerActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
mViewerActivity.setTitle(mTitle);
}
});
}
}
public void setState(String stateJsonStr) {
// We have to store this state because ViewerActivity may be destroyed while the native app
// is still running. When a new ViewerActivity is created, we'll pass the state to it.
mStateJsonStr = stateJsonStr;
if (mViewerActivity != null) {
mViewerActivity.runOnUiThread(new Runnable() {
@Override
public void run() {
mViewerActivity.setState(mStateJsonStr);
}
});
}
}
}
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