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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host.h" | 5 #include "content/browser/renderer_host/java/java_bridge_dispatcher_host.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
9 #include "base/threading/thread.h" | 9 #include "base/threading/thread.h" |
10 #include "content/browser/renderer_host/java/java_bridge_channel_host.h" | 10 #include "content/browser/renderer_host/java/java_bridge_channel_host.h" |
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133 g_background_thread.Get().message_loop()->PostTask( | 133 g_background_thread.Get().message_loop()->PostTask( |
134 FROM_HERE, | 134 FROM_HERE, |
135 base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object, | 135 base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object, |
136 route_id)); | 136 route_id)); |
137 } | 137 } |
138 | 138 |
139 void JavaBridgeDispatcherHost::CreateObjectStub(NPObject* object, | 139 void JavaBridgeDispatcherHost::CreateObjectStub(NPObject* object, |
140 int route_id) { | 140 int route_id) { |
141 DCHECK_EQ(g_background_thread.Get().message_loop(), | 141 DCHECK_EQ(g_background_thread.Get().message_loop(), |
142 base::MessageLoop::current()); | 142 base::MessageLoop::current()); |
143 if (!channel_) { | 143 if (!channel_.get()) { |
144 channel_ = JavaBridgeChannelHost::GetJavaBridgeChannelHost( | 144 channel_ = JavaBridgeChannelHost::GetJavaBridgeChannelHost( |
145 render_view_host()->GetProcess()->GetID(), | 145 render_view_host()->GetProcess()->GetID(), |
146 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); | 146 BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)); |
147 } | 147 } |
148 | 148 |
149 // In a typical scenario, the lifetime of each NPObjectStub is governed by | 149 // In a typical scenario, the lifetime of each NPObjectStub is governed by |
150 // that of the NPObjectProxy in the renderer, via the channel. However, | 150 // that of the NPObjectProxy in the renderer, via the channel. However, |
151 // we cannot guaranteed that the renderer always terminates cleanly | 151 // we cannot guaranteed that the renderer always terminates cleanly |
152 // (crashes / sometimes just unavoidable). We keep a weak reference to | 152 // (crashes / sometimes just unavoidable). We keep a weak reference to |
153 // it now and schedule a delete on it when this host is getting deleted. | 153 // it now and schedule a delete on it when this host is getting deleted. |
154 | 154 |
155 // Pass 0 for the containing window, as it's only used by plugins to pump the | 155 // Pass 0 for the containing window, as it's only used by plugins to pump the |
156 // window message queue when a method on a renderer-side object causes a | 156 // window message queue when a method on a renderer-side object causes a |
157 // dialog to be displayed, and the Java Bridge does not need this | 157 // dialog to be displayed, and the Java Bridge does not need this |
158 // functionality. The page URL is also not required. | 158 // functionality. The page URL is also not required. |
159 stubs_.push_back( | 159 stubs_.push_back((new NPObjectStub( |
160 (new NPObjectStub(object, channel_, route_id, 0, GURL()))->AsWeakPtr()); | 160 object, channel_.get(), route_id, 0, GURL()))->AsWeakPtr()); |
161 | 161 |
162 // The NPObjectStub takes a reference to the NPObject. Release the ref added | 162 // The NPObjectStub takes a reference to the NPObject. Release the ref added |
163 // in CreateNPVariantParam(). | 163 // in CreateNPVariantParam(). |
164 WebKit::WebBindings::releaseObject(object); | 164 WebKit::WebBindings::releaseObject(object); |
165 } | 165 } |
166 | 166 |
167 } // namespace content | 167 } // namespace content |
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