[android] Resize the android_webview if it's 0x0 initially.

android_webview/java/src/org/chromium/android_webview/AwWebContentsDelegateAdapter.java

Index: android_webview/java/src/org/chromium/android_webview/AwWebContentsDelegateAdapter.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwWebContentsDelegateAdapter.java b/android_webview/java/src/org/chromium/android_webview/AwWebContentsDelegateAdapter.java
new file mode 100644
index 0000000000000000000000000000000000000000..0b888d30d3dbdeda968083b21d22595b2d293ba1
--- /dev/null
+++ b/android_webview/java/src/org/chromium/android_webview/AwWebContentsDelegateAdapter.java
@@ -0,0 +1,152 @@
+// Copyright 2013 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.android_webview;
+
+import android.graphics.Rect;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+import android.view.KeyEvent;
+import android.webkit.ConsoleMessage;
+
+import org.chromium.content.browser.ContentViewCore;
+
+/**
+ * Adapts the AwWebContentsDelegate interface to the AwContentsClient interface.
+ * This class also serves a secondary function of routing certain callbacks from the content layer
+ * to specific listener interfaces.
+ */
+class AwWebContentsDelegateAdapter extends AwWebContentsDelegate {
+    private static final String TAG = "AwWebContentsDelegateAdapter";
+
+    /**
+     * Listener definition for a callback to be invoked when the preferred size of the page
+     * contents changes.
+     */
+    public interface PreferredSizeChangedListener {
+        /**
+         * Called when the preferred size of the page contents changes.
+         * @see AwWebContentsDelegate#updatePreferredSize
+         */
+        void updatePreferredSize(int width, int height);
+    }
+
+    final AwContentsClient mContentsClient;
+    final PreferredSizeChangedListener mPreferredSizeChangedListener;
+
+    public AwWebContentsDelegateAdapter(AwContentsClient contentsClient,
+            PreferredSizeChangedListener preferredSizeChangedListener) {
+        mContentsClient = contentsClient;
+        mPreferredSizeChangedListener = preferredSizeChangedListener;
+    }
+
+    @Override
+    public void onLoadProgressChanged(int progress) {
+        mContentsClient.onProgressChanged(progress);
+    }
+
+    @Override
+    public void handleKeyboardEvent(KeyEvent event) {
+        mContentsClient.onUnhandledKeyEvent(event);
+    }
+
+    @Override
+    public boolean addMessageToConsole(int level, String message, int lineNumber,
+            String sourceId) {
+        ConsoleMessage.MessageLevel messageLevel = ConsoleMessage.MessageLevel.DEBUG;
+        switch(level) {
+            case LOG_LEVEL_TIP:
+                messageLevel = ConsoleMessage.MessageLevel.TIP;
+                break;
+            case LOG_LEVEL_LOG:
+                messageLevel = ConsoleMessage.MessageLevel.LOG;
+                break;
+            case LOG_LEVEL_WARNING:
+                messageLevel = ConsoleMessage.MessageLevel.WARNING;
+                break;
+            case LOG_LEVEL_ERROR:
+                messageLevel = ConsoleMessage.MessageLevel.ERROR;
+                break;
+            default:
+                Log.w(TAG, "Unknown message level, defaulting to DEBUG");
+                break;
+        }
+
+        return mContentsClient.onConsoleMessage(
+                new ConsoleMessage(message, sourceId, lineNumber, messageLevel));
+    }
+
+    @Override
+    public void onUpdateUrl(String url) {
+        // TODO: implement
+    }
+
+    @Override
+    public void openNewTab(String url, boolean incognito) {
+        // TODO: implement
+    }
+
+    @Override
+    public boolean addNewContents(int nativeSourceWebContents, int nativeWebContents,
+            int disposition, Rect initialPosition, boolean userGesture) {
+        // TODO: implement
+        return false;
+    }
+
+    @Override
+    public void closeContents() {
+        mContentsClient.onCloseWindow();
+    }
+
+    @Override
+    public void showRepostFormWarningDialog(final ContentViewCore contentViewCore) {
+        // TODO(mkosiba) We should be using something akin to the JsResultReceiver as the
+        // callback parameter (instead of ContentViewCore) and implement a way of converting
+        // that to a pair of messages.
+        final int MSG_CONTINUE_PENDING_RELOAD = 1;
+        final int MSG_CANCEL_PENDING_RELOAD = 2;
+
+        // TODO(sgurun) Remember the URL to cancel the reload behavior
+        // if it is different than the most recent NavigationController entry.
+        final Handler handler = new Handler(Looper.getMainLooper()) {
+            @Override
+            public void handleMessage(Message msg) {
+                switch(msg.what) {
+                    case MSG_CONTINUE_PENDING_RELOAD: {
+                        contentViewCore.continuePendingReload();
+                        break;
+                    }
+                    case MSG_CANCEL_PENDING_RELOAD: {
+                        contentViewCore.cancelPendingReload();
+                        break;
+                    }
+                    default:
+                        throw new IllegalStateException(
+                                "WebContentsDelegateAdapter: unhandled message " + msg.what);
+                }
+            }
+        };
+
+        Message resend = handler.obtainMessage(MSG_CONTINUE_PENDING_RELOAD);
+        Message dontResend = handler.obtainMessage(MSG_CANCEL_PENDING_RELOAD);
+        mContentsClient.onFormResubmission(dontResend, resend);
+    }
+
+    @Override
+    public boolean addNewContents(boolean isDialog, boolean isUserGesture) {
+        return mContentsClient.onCreateWindow(isDialog, isUserGesture);
+    }
+
+    @Override
+    public void activateContents() {
+        mContentsClient.onRequestFocus();
+    }
+
+    @Override
+    public void updatePreferredSize(int width, int height) {
+        mPreferredSizeChangedListener.updatePreferredSize(width, height);
+    }
+}