[Android WebView] Implement SmartClipProvider.

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright 2012 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.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
@@ skipping 31 matching lines @@
 import org.chromium.base.CalledByNative;
 import org.chromium.base.JNINamespace;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.components.navigation_interception.InterceptNavigationDelegate;
 import org.chromium.components.navigation_interception.NavigationParams;
 import org.chromium.content.browser.ContentSettings;
 import org.chromium.content.browser.ContentViewClient;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.ContentViewStatics;
+import org.chromium.content.browser.SmartClipProvider;
 import org.chromium.content.browser.WebContentsObserver;
 import org.chromium.content.common.CleanupReference;
 import org.chromium.content_public.browser.GestureStateListener;
 import org.chromium.content_public.browser.JavaScriptCallback;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.NavigationController;
 import org.chromium.content_public.browser.NavigationHistory;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.content_public.common.Referrer;
 import org.chromium.ui.base.ActivityWindowAndroid;
@@ skipping 12 matching lines @@
 
 /**
  * Exposes the native AwContents class, and together these classes wrap the ContentViewCore
  * and Browser components that are required to implement Android WebView API. This is the
  * primary entry point for the WebViewProvider implementation; it holds a 1:1 object
  * relationship with application WebView instances.
  * (We define this class independent of the hidden WebViewProvider interfaces, to allow
  * continuous build & test in the open source SDK-based tree).
  */
 @JNINamespace("android_webview")
-public class AwContents {
+public class AwContents implements SmartClipProvider {

[boliu, 2014/11/07 01:12:23]

drive-by suggestion: pull this out into a helper class rather than tag things
directly onto AwContents?

     private static final String TAG = "AwContents";
 
     private static final String WEB_ARCHIVE_EXTENSION = ".mht";
 
     // Used to avoid enabling zooming in / out if resulting zooming will
     // produce little visible difference.
     private static final float ZOOM_CONTROLS_EPSILON = 0.007f;
 
     /**
      * WebKit hit test related data strcutre. These are used to implement
@@ skipping 2132 matching lines @@
 
         for (int i = 1; i < 100; i++) {
             testName = baseName + name + "-" + i + WEB_ARCHIVE_EXTENSION;
             if (!new File(testName).exists()) return testName;
         }
 
         Log.e(TAG, "Unable to auto generate archive name for path: " + baseName);
         return null;
     }
 
+    @Override
     public void extractSmartClipData(int x, int y, int width, int height) {
         if (!isDestroyed()) mContentViewCore.extractSmartClipData(x, y, width, height);
     }
 
-    public void setSmartClipDataListener(ContentViewCore.SmartClipDataListener listener) {
-        if (!isDestroyed()) mContentViewCore.setSmartClipDataListener(listener);
+    @Override
+    public void setSmartClipResultHandler(final Handler resultHandler) {
+        if (isDestroyed()) return;
+
+        if (resultHandler == null) {
+            mContentViewCore.setSmartClipDataListener(null);
+            return;
+        }
+        mContentViewCore.setSmartClipDataListener(new ContentViewCore.SmartClipDataListener() {
+            public void onSmartClipDataExtracted(String text, String html, Rect clipRect) {
+                Bundle bundle = new Bundle();
+                bundle.putString("url", mContentViewCore.getWebContents().getVisibleUrl());
+                bundle.putString("title", mContentViewCore.getWebContents().getTitle());
+                bundle.putParcelable("rect", clipRect);
+                bundle.putString("text", text);
+                bundle.putString("html", html);
+                try {
+                    Message msg = Message.obtain(resultHandler, 0);
+                    msg.setData(bundle);
+                    msg.sendToTarget();
+                } catch (Exception e) {
+                    Log.e(TAG, "Error calling handler for smart clip data: ", e);
+                }
+            }
+        });
     }
 
     // --------------------------------------------------------------------------------------------
     // This is the AwViewMethods implementation that does real work. The AwViewMethodsImpl is
     // hooked up to the WebView in embedded mode and to the FullScreenView in fullscreen mode,
     // but not to both at the same time.
     private class AwViewMethodsImpl implements AwViewMethods {
         private int mLayerType = View.LAYER_TYPE_NONE;
         private ComponentCallbacks2 mComponentCallbacks;
 
@@ skipping 359 matching lines @@
 
     private native void nativeSetJsOnlineProperty(long nativeAwContents, boolean networkUp);
 
     private native void nativeTrimMemory(long nativeAwContents, int level, boolean visible);
 
     private native void nativeCreatePdfExporter(long nativeAwContents, AwPdfExporter awPdfExporter);
 
     private native void nativePreauthorizePermission(long nativeAwContents, String origin,
             long resources);
 }