Move Java Blimp shell code to app subpackage

blimp/client/app/android/java/src/org/chromium/blimp/BlimpRendererActivity.java

Index: blimp/client/app/android/java/src/org/chromium/blimp/BlimpRendererActivity.java
diff --git a/blimp/client/app/android/java/src/org/chromium/blimp/BlimpRendererActivity.java b/blimp/client/app/android/java/src/org/chromium/blimp/BlimpRendererActivity.java
deleted file mode 100644
index e07b93a4291ac0f48f6fc6368f15104522c58dd4..0000000000000000000000000000000000000000
--- a/blimp/client/app/android/java/src/org/chromium/blimp/BlimpRendererActivity.java
+++ /dev/null
@@ -1,341 +0,0 @@
-// 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.
-
-package org.chromium.blimp;
-
-import android.annotation.SuppressLint;
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Handler;
-import android.text.TextUtils;
-import android.view.View;
-import android.widget.TextView;
-
-import org.chromium.base.CommandLine;
-import org.chromium.base.Log;
-import org.chromium.base.annotations.SuppressFBWarnings;
-import org.chromium.base.library_loader.ProcessInitException;
-import org.chromium.blimp.auth.RetryingTokenSource;
-import org.chromium.blimp.auth.TokenSource;
-import org.chromium.blimp.auth.TokenSourceImpl;
-import org.chromium.blimp.core.BlimpClientSwitches;
-import org.chromium.blimp.preferences.PreferencesUtil;
-import org.chromium.blimp.session.BlimpClientSession;
-import org.chromium.blimp.session.EngineInfo;
-import org.chromium.blimp.session.TabControlFeature;
-import org.chromium.blimp.toolbar.Toolbar;
-import org.chromium.blimp.toolbar.ToolbarMenu;
-import org.chromium.ui.base.WindowAndroid;
-import org.chromium.ui.widget.Toast;
-
-/**
- * The {@link Activity} for rendering the main Blimp client.  This loads the Blimp rendering stack
- * and displays it.
- */
-public class BlimpRendererActivity
-        extends Activity implements BlimpLibraryLoader.Callback, TokenSource.Callback,
-                                    BlimpClientSession.ConnectionObserver,
-                                    ToolbarMenu.ToolbarMenuDelegate, Toolbar.ToolbarDelegate {
-    private static final int ACCOUNT_CHOOSER_INTENT_REQUEST_CODE = 100;
-    private static final String TAG = "BlimpRendererActivity";
-
-    // Refresh interval for the debug view in milliseconds.
-    private static final int DEBUG_VIEW_REFRESH_INTERVAL = 1000;
-    private static final int BYTES_PER_KILO = 1024;
-
-    /** Provides user authentication tokens that can be used to query for engine assignments.  This
-     *  can potentially query GoogleAuthUtil for an OAuth2 authentication token with userinfo.email
-     *  privileges for a chosen Android account. */
-    private TokenSource mTokenSource;
-
-    private BlimpView mBlimpView;
-    private Toolbar mToolbar;
-    private BlimpClientSession mBlimpClientSession;
-    private TabControlFeature mTabControlFeature;
-    private WindowAndroid mWindowAndroid;
-
-    private Handler mHandler = new Handler();
-
-    private boolean mFirstUrlLoadDone = false;
-
-    // Flag to record the base value of the metrics when the debug view is turned on.
-    private boolean mStatsBaseRecorded = false;
-    private int mSentBase;
-    private int mReceivedBase;
-    private int mCommitsBase;
-    private int mSent;
-    private int mReceived;
-    private int mCommits;
-    private String mToken = null;
-
-    @Override
-    @SuppressFBWarnings("DM_EXIT")  // FindBugs doesn't like System.exit().
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        buildAndTriggerTokenSourceIfNeeded();
-        try {
-            BlimpLibraryLoader.startAsync(this);
-        } catch (ProcessInitException e) {
-            Log.e(TAG, "Native startup exception", e);
-            System.exit(-1);
-            return;
-        }
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (mTabControlFeature != null) {
-            mTabControlFeature.destroy();
-            mTabControlFeature = null;
-        }
-
-        if (mBlimpView != null) {
-            mBlimpView.destroyRenderer();
-            mBlimpView = null;
-        }
-
-        if (mToolbar != null) {
-            mToolbar.destroy();
-            mToolbar = null;
-        }
-
-        if (mTokenSource != null) {
-            mTokenSource.destroy();
-            mTokenSource = null;
-        }
-
-        // Destroy the BlimpClientSession last, as all other features may rely on it.
-        if (mBlimpClientSession != null) {
-            mBlimpClientSession.removeObserver(this);
-            mBlimpClientSession.destroy();
-            mBlimpClientSession = null;
-        }
-
-        super.onDestroy();
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        switch (requestCode) {
-            case ACCOUNT_CHOOSER_INTENT_REQUEST_CODE:
-                if (resultCode == RESULT_OK) {
-                    mTokenSource.onAccountSelected(data);
-                    mTokenSource.getToken();
-                } else {
-                    onTokenUnavailable(false);
-                }
-                break;
-            default:
-                break;
-        }
-    }
-
-    @Override
-    public void onBackPressed() {
-        // Check if the toolbar can handle the back navigation.
-        if (mToolbar != null && mToolbar.onBackPressed()) return;
-
-        // If not, use the default Activity behavior.
-        super.onBackPressed();
-    }
-
-    // BlimpLibraryLoader.Callback implementation.
-    @Override
-    public void onStartupComplete(boolean success) {
-        if (!success) {
-            Log.e(TAG, "Native startup failed");
-            finish();
-            return;
-        }
-
-        setContentView(R.layout.blimp_main);
-
-        mWindowAndroid = new WindowAndroid(BlimpRendererActivity.this);
-        mBlimpClientSession =
-                new BlimpClientSession(PreferencesUtil.findAssignerUrl(this), mWindowAndroid);
-        mBlimpClientSession.addObserver(this);
-
-        mBlimpView = (BlimpView) findViewById(R.id.renderer);
-        mBlimpView.initializeRenderer(mBlimpClientSession);
-
-        mToolbar = (Toolbar) findViewById(R.id.toolbar);
-        mToolbar.initialize(mBlimpClientSession, this);
-
-        mTabControlFeature = new TabControlFeature(mBlimpClientSession, mBlimpView);
-
-        handleUrlFromIntent(getIntent());
-
-        // If Blimp client has command line flag "engine-ip", client will use the command line token
-        // to connect. See GetAssignmentFromCommandLine() in
-        // blimp/client/session/assignment_source.cc
-        // In normal cases, where client uses the engine ip given by the Assigner,
-        // connection to the engine is triggered by the successful retrieval of a token as
-        // TokenSource.Callback.
-        if (CommandLine.getInstance().hasSwitch(BlimpClientSwitches.ENGINE_IP)) {
-            mBlimpClientSession.connect(null);
-        } else {
-            if (mToken != null) {
-                mBlimpClientSession.connect(mToken);
-                mToken = null;
-            }
-        }
-    }
-
-    // ToolbarMenu.ToolbarMenuDelegate implementation.
-    @Override
-    public void showDebugView(boolean show) {
-        View debugView = findViewById(R.id.debug_stats);
-        debugView.setVisibility(show ? View.VISIBLE : View.INVISIBLE);
-        if (show) {
-            Runnable debugStatsRunnable = new Runnable() {
-                @Override
-                public void run() {
-                    if (mToolbar.getToolbarMenu().isDebugInfoEnabled()) {
-                        int[] metrics = mBlimpClientSession.getDebugStats();
-                        updateDebugStats(metrics);
-                        mHandler.postDelayed(this, DEBUG_VIEW_REFRESH_INTERVAL);
-                    }
-                }
-            };
-            debugStatsRunnable.run();
-        } else {
-            mStatsBaseRecorded = false;
-        }
-    }
-
-    @Override
-    protected void onNewIntent(Intent intent) {
-        super.onNewIntent(intent);
-        handleUrlFromIntent(intent);
-    }
-
-    /**
-     * Retrieve the URL from the Intent.
-     * @param intent Intent to examine.
-     * @return URL from the Intent, or null if a valid URL couldn't be found.
-     */
-    private String getUrlFromIntent(Intent intent) {
-        if (intent == null) return null;
-
-        String url = intent.getDataString();
-        if (url == null) return null;
-
-        url = url.trim();
-        return TextUtils.isEmpty(url) ? null : url;
-    }
-
-    /**
-     * Retrieves an URL from an Intent and loads it in the browser.
-     * If the toolbar already has an URL and the new intent doesn't have an URL (e.g. bringing back
-     * from background), the intent gets ignored.
-     * @param intent Intent that contains the URL.
-     */
-    private void handleUrlFromIntent(Intent intent) {
-        // TODO(shaktisahu): On a slow device, this might happen. Load the correct URL once the
-        // toolbar loading is complete (crbug/601226)
-        if (mToolbar == null) return;
-
-        String url = getUrlFromIntent(intent);
-        if (mFirstUrlLoadDone && url == null) return;
-        mFirstUrlLoadDone = true;
-
-        mToolbar.loadUrl(url == null ? "http://www.google.com/" : url);
-    }
-
-    // TokenSource.Callback implementation.
-    @Override
-    public void onTokenReceived(String token) {
-        if (mBlimpClientSession != null) {
-            mBlimpClientSession.connect(token);
-        } else {
-            mToken = token;
-        }
-    }
-
-    @Override
-    public void onTokenUnavailable(boolean isTransient) {
-        // Ignore isTransient here because we're relying on the auto-retry TokenSource.
-        // TODO(dtrainor): Show a better error dialog/message.
-        Toast.makeText(this, R.string.signin_get_token_failed, Toast.LENGTH_LONG).show();
-    }
-
-    @Override
-    public void onNeedsAccountToBeSelected(Intent suggestedIntent) {
-        startActivityForResult(suggestedIntent, ACCOUNT_CHOOSER_INTENT_REQUEST_CODE);
-    }
-
-    // BlimpClientSession.ConnectionObserver interface.
-    @Override
-    public void onAssignmentReceived(
-            int result, int suggestedMessageResourceId, EngineInfo engineInfo) {
-        Toast.makeText(this, suggestedMessageResourceId, Toast.LENGTH_LONG).show();
-    }
-
-    @Override
-    public void onConnected() {
-        Toast.makeText(this, R.string.network_connected, Toast.LENGTH_SHORT).show();
-    }
-
-    /**
-     * Displays debug metrics up to one decimal place.
-     */
-    @Override
-    @SuppressLint("DefaultLocale")
-    public void updateDebugStatsUI(int received, int sent, int commits) {
-        TextView tv = (TextView) findViewById(R.id.bytes_received_client);
-        tv.setText(String.format("%.1f", (float) received / BYTES_PER_KILO));
-        tv = (TextView) findViewById(R.id.bytes_sent_client);
-        tv.setText(String.format("%.1f", (float) sent / BYTES_PER_KILO));
-        tv = (TextView) findViewById(R.id.commit_count);
-        tv.setText(String.valueOf(commits));
-    }
-
-    private void updateDebugStats(int[] metrics) {
-        assert metrics.length == 3;
-        mReceived = metrics[0];
-        mSent = metrics[1];
-        mCommits = metrics[2];
-        if (!mStatsBaseRecorded) {
-            mReceivedBase = mReceived;
-            mSentBase = mSent;
-            mCommitsBase = mCommits;
-            mStatsBaseRecorded = true;
-        }
-        updateDebugStatsUI(mReceived - mReceivedBase, mSent - mSentBase, mCommits - mCommitsBase);
-    }
-
-    // Toolbar.ToolbarDelegate interface.
-    @Override
-    public void resetDebugStats() {
-        mReceivedBase = mReceived;
-        mSentBase = mSent;
-        mCommitsBase = mCommits;
-    }
-
-    @Override
-    public void onDisconnected(String reason) {
-        Toast.makeText(this,
-                     String.format(getResources().getString(R.string.network_disconnected), reason),
-                     Toast.LENGTH_LONG)
-                .show();
-    }
-
-    private void buildAndTriggerTokenSourceIfNeeded() {
-        // If Blimp client is given the engine ip by the command line, then there is no need to
-        // build a TokenSource, because token, engine ip, engine port, and transport protocol are
-        // all given by command line.
-        if (CommandLine.getInstance().hasSwitch(BlimpClientSwitches.ENGINE_IP)) return;
-
-        // Build a TokenSource that will internally retry accessing the underlying
-        // TokenSourceImpl. This will exponentially backoff while it tries to get the access
-        // token.  See {@link RetryingTokenSource} for more information.  The underlying
-        // TokenSourceImpl will attempt to query GoogleAuthUtil, but might fail if there is no
-        // account selected, in which case it will ask this Activity to show an account chooser
-        // and notify it of the selection result.
-        mTokenSource = new RetryingTokenSource(new TokenSourceImpl(this));
-        mTokenSource.setCallback(this);
-        mTokenSource.getToken();
-    }
-}