Index: content/browser/renderer_host/java/java_bridge_dispatcher_host.cc |
diff --git a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc b/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc |
deleted file mode 100644 |
index 922b03a55e8d21a7305707c725647fda741831eb..0000000000000000000000000000000000000000 |
--- a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc |
+++ /dev/null |
@@ -1,167 +0,0 @@ |
-// Copyright (c) 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. |
- |
-#include "content/browser/renderer_host/java/java_bridge_dispatcher_host.h" |
- |
-#include "base/android/java_handler_thread.h" |
-#include "base/bind.h" |
-#include "base/lazy_instance.h" |
-#include "content/browser/renderer_host/java/java_bridge_channel_host.h" |
-#include "content/child/child_process.h" |
-#include "content/child/npapi/npobject_stub.h" |
-#include "content/child/npapi/npobject_util.h" // For CreateNPVariantParam() |
-#include "content/common/java_bridge_messages.h" |
-#include "content/public/browser/browser_thread.h" |
-#include "content/public/browser/render_frame_host.h" |
-#include "content/public/browser/render_process_host.h" |
-#include "third_party/WebKit/public/web/WebBindings.h" |
- |
-#if !defined(OS_ANDROID) |
-#error "JavaBridge only supports OS_ANDROID" |
-#endif |
- |
-namespace content { |
- |
-namespace { |
-// The JavaBridge needs to use a Java thread so the callback |
-// will happen on a thread with a prepared Looper. |
-class JavaBridgeThread : public base::android::JavaHandlerThread { |
- public: |
- JavaBridgeThread() : base::android::JavaHandlerThread("JavaBridge") { |
- Start(); |
- } |
- virtual ~JavaBridgeThread() { |
- Stop(); |
- } |
-}; |
- |
-void CleanUpStubs(const std::vector<base::WeakPtr<NPObjectStub> > & stubs) { |
- for (size_t i = 0; i < stubs.size(); ++i) { |
- if (stubs[i]) { |
- stubs[i]->DeleteSoon(); |
- } |
- } |
-} |
- |
-base::LazyInstance<JavaBridgeThread> g_background_thread = |
- LAZY_INSTANCE_INITIALIZER; |
-} // namespace |
- |
-JavaBridgeDispatcherHost::JavaBridgeDispatcherHost( |
- RenderFrameHost* render_frame_host) |
- : render_frame_host_(render_frame_host) { |
-} |
- |
-JavaBridgeDispatcherHost::~JavaBridgeDispatcherHost() { |
- g_background_thread.Get().message_loop()->PostTask( |
- FROM_HERE, |
- base::Bind(&CleanUpStubs, stubs_)); |
-} |
- |
-void JavaBridgeDispatcherHost::AddNamedObject(const base::string16& name, |
- NPObject* object) { |
- NPVariant_Param variant_param; |
- CreateNPVariantParam(object, &variant_param); |
- |
- Send(new JavaBridgeMsg_AddNamedObject( |
- render_frame_host_->GetRoutingID(), name, variant_param)); |
-} |
- |
-void JavaBridgeDispatcherHost::RemoveNamedObject(const base::string16& name) { |
- // On receipt of this message, the JavaBridgeDispatcher will drop its |
- // reference to the corresponding proxy object. When the last reference is |
- // removed, the proxy object will delete its NPObjectProxy, which will cause |
- // the NPObjectStub to be deleted, which will drop its reference to the |
- // original NPObject. |
- Send(new JavaBridgeMsg_RemoveNamedObject( |
- render_frame_host_->GetRoutingID(), name)); |
-} |
- |
-void JavaBridgeDispatcherHost::RenderFrameDeleted() { |
- render_frame_host_ = NULL; |
-} |
- |
-void JavaBridgeDispatcherHost::OnGetChannelHandle(IPC::Message* reply_msg) { |
- g_background_thread.Get().message_loop()->PostTask( |
- FROM_HERE, |
- base::Bind(&JavaBridgeDispatcherHost::GetChannelHandle, this, reply_msg)); |
-} |
- |
-void JavaBridgeDispatcherHost::Send(IPC::Message* msg) { |
- if (render_frame_host_) { |
- render_frame_host_->Send(msg); |
- return; |
- } |
- |
- delete msg; |
-} |
- |
-void JavaBridgeDispatcherHost::GetChannelHandle(IPC::Message* reply_msg) { |
- // The channel creates the channel handle based on the renderer ID we passed |
- // to GetJavaBridgeChannelHost() and, on POSIX, the file descriptor used by |
- // the underlying channel. |
- JavaBridgeHostMsg_GetChannelHandle::WriteReplyParams( |
- reply_msg, |
- channel_->channel_handle()); |
- |
- BrowserThread::PostTask( |
- BrowserThread::UI, |
- FROM_HERE, |
- base::Bind(&JavaBridgeDispatcherHost::Send, this, reply_msg)); |
-} |
- |
-void JavaBridgeDispatcherHost::CreateNPVariantParam(NPObject* object, |
- NPVariant_Param* param) { |
- // The JavaBridgeChannelHost needs to be created on the background thread, as |
- // that is where Java objects will live, and CreateNPVariantParam() needs the |
- // channel to create the NPObjectStub. To avoid blocking here until the |
- // channel is ready, create the NPVariant_Param by hand, then post a message |
- // to the background thread to set up the channel and create the corresponding |
- // NPObjectStub. Post that message before doing any IPC, to make sure that |
- // the channel and object proxies are ready before responses are received |
- // from the renderer. |
- |
- // Create an NPVariantParam suitable for serialization over IPC from our |
- // NPVariant. See CreateNPVariantParam() in npobject_utils. |
- param->type = NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID; |
- int route_id = JavaBridgeChannelHost::ThreadsafeGenerateRouteID(); |
- param->npobject_routing_id = route_id; |
- |
- blink::WebBindings::retainObject(object); |
- g_background_thread.Get().message_loop()->PostTask( |
- FROM_HERE, |
- base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object, |
- render_frame_host_->GetProcess()->GetID(), route_id)); |
-} |
- |
-void JavaBridgeDispatcherHost::CreateObjectStub(NPObject* object, |
- int render_process_id, |
- int route_id) { |
- DCHECK_EQ(g_background_thread.Get().message_loop(), |
- base::MessageLoop::current()); |
- if (!channel_.get()) { |
- channel_ = JavaBridgeChannelHost::GetJavaBridgeChannelHost( |
- render_process_id, |
- BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); |
- } |
- |
- // In a typical scenario, the lifetime of each NPObjectStub is governed by |
- // that of the NPObjectProxy in the renderer, via the channel. However, |
- // we cannot guaranteed that the renderer always terminates cleanly |
- // (crashes / sometimes just unavoidable). We keep a weak reference to |
- // it now and schedule a delete on it when this host is getting deleted. |
- |
- // Pass 0 for the containing window, as it's only used by plugins to pump the |
- // window message queue when a method on a renderer-side object causes a |
- // dialog to be displayed, and the Java Bridge does not need this |
- // functionality. The page URL is also not required. |
- stubs_.push_back((new NPObjectStub( |
- object, channel_.get(), route_id, 0, GURL()))->AsWeakPtr()); |
- |
- // The NPObjectStub takes a reference to the NPObject. Release the ref added |
- // in CreateNPVariantParam(). |
- blink::WebBindings::releaseObject(object); |
-} |
- |
-} // namespace content |