Move Java Bridge files to new java/ subdirectory

content/renderer/java_bridge_dispatcher.cc

-// Copyright (c) 2011 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 "content/renderer/java_bridge_dispatcher.h"
-
-#include "content/common/child_process.h"
-#include "content/common/java_bridge_messages.h"
-#include "content/common/npobject_util.h"  // For CreateNPVariant()
-#include "content/public/renderer/render_thread.h"
-#include "content/public/renderer/render_view.h"
-#include "content/renderer/java_bridge_channel.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
-
-JavaBridgeDispatcher::JavaBridgeDispatcher(
-    content::RenderView* render_view,
-    const IPC::ChannelHandle& channel_handle)
-    : RenderViewObserver(render_view) {
-  channel_.reset(JavaBridgeChannel::GetJavaBridgeChannel(
-      channel_handle, ChildProcess::current()->io_message_loop_proxy()));
-}
-
-JavaBridgeDispatcher::~JavaBridgeDispatcher() {
-  for (ObjectMap::const_iterator iter = objects_.begin();
-      iter != objects_.end(); ++iter) {
-    WebKit::WebBindings::releaseObject(NPVARIANT_TO_OBJECT(iter->second));
-  }
-}
-
-bool JavaBridgeDispatcher::OnMessageReceived(const IPC::Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(JavaBridgeDispatcher, msg)
-    IPC_MESSAGE_HANDLER(JavaBridgeMsg_AddNamedObject, OnAddNamedObject)
-    IPC_MESSAGE_HANDLER(JavaBridgeMsg_RemoveNamedObject,
-                        OnRemoveNamedObject)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void JavaBridgeDispatcher::DidClearWindowObject(WebKit::WebFrame* web_frame) {
-  // We only inject objects into the main frame.
-  if (web_frame != render_view()->GetWebView()->mainFrame())
-    return;
-
-  // Note that we have to (re)bind all objects, as they will have been unbound
-  // when the window object was cleared.
-  for (ObjectMap::const_iterator iter = objects_.begin();
-      iter != objects_.end(); ++iter) {
-    // This refs the NPObject. This reference is dropped when either the window
-    // object is later cleared, or the object is GC'ed. So the object may be
-    // deleted at any time after OnRemoveNamedObject() is called.
-    web_frame->bindToWindowObject(iter->first,
-        NPVARIANT_TO_OBJECT(iter->second));
-  }
-}
-
-void JavaBridgeDispatcher::OnAddNamedObject(
-    const string16& name,
-    const NPVariant_Param& variant_param) {
-  DCHECK_EQ(variant_param.type, NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID);
-  // This creates an NPObject, wrapped as an NPVariant. We don't need the
-  // containing window or the page URL, as we don't do re-entrant sync IPC.
-  NPVariant variant;
-  bool created =
-      CreateNPVariant(variant_param, channel_.get(), &variant, 0, GURL());
-  DCHECK(created);
-  DCHECK_EQ(variant.type, NPVariantType_Object);
-
-  // The NPObject is created with a ref count of one, which we remove when
-  // OnRemoveNamedObject() is called for that object.
-  ObjectMap::iterator iter = objects_.find(name);
-  if (iter != objects_.end()) {
-    WebKit::WebBindings::releaseObject(NPVARIANT_TO_OBJECT(iter->second));
-  }
-  objects_[name] = variant;
-}
-
-void JavaBridgeDispatcher::OnRemoveNamedObject(const string16& name) {
-  // Removing an object does not unbind it from JavaScript until the window
-  // object is next cleared. Note that the browser checks that the named object
-  // is present.
-  ObjectMap::iterator iter = objects_.find(name);
-  DCHECK(iter != objects_.end());
-  WebKit::WebBindings::releaseObject(NPVARIANT_TO_OBJECT(iter->second));
-  objects_.erase(iter);
-}