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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" |
11 #include "content/browser/renderer_host/render_view_host_impl.h" | 11 #include "content/browser/renderer_host/render_view_host_impl.h" |
12 #include "content/common/child_process.h" | 12 #include "content/common/child_process.h" |
13 #include "content/common/java_bridge_messages.h" | 13 #include "content/common/java_bridge_messages.h" |
14 #include "content/common/npobject_stub.h" | 14 #include "content/common/npobject_stub.h" |
15 #include "content/common/npobject_util.h" // For CreateNPVariantParam() | 15 #include "content/common/npobject_util.h" // For CreateNPVariantParam() |
16 #include "content/public/browser/browser_thread.h" | 16 #include "content/public/browser/browser_thread.h" |
17 #include "content/public/browser/render_process_host.h" | 17 #include "content/public/browser/render_process_host.h" |
18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h" | 18 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h" |
19 | 19 |
20 using content::BrowserThread; | 20 using content::BrowserThread; |
| 21 using content::NPObjectStub; |
| 22 using content::NPVariant_Param; |
21 using content::RenderViewHost; | 23 using content::RenderViewHost; |
22 | 24 |
23 namespace { | 25 namespace { |
24 class JavaBridgeThread : public base::Thread { | 26 class JavaBridgeThread : public base::Thread { |
25 public: | 27 public: |
26 JavaBridgeThread() : base::Thread("JavaBridge") { | 28 JavaBridgeThread() : base::Thread("JavaBridge") { |
27 Start(); | 29 Start(); |
28 } | 30 } |
29 virtual ~JavaBridgeThread() { | 31 virtual ~JavaBridgeThread() { |
30 Stop(); | 32 Stop(); |
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107 // that is where Java objects will live, and CreateNPVariantParam() needs the | 109 // that is where Java objects will live, and CreateNPVariantParam() needs the |
108 // channel to create the NPObjectStub. To avoid blocking here until the | 110 // channel to create the NPObjectStub. To avoid blocking here until the |
109 // channel is ready, create the NPVariant_Param by hand, then post a message | 111 // channel is ready, create the NPVariant_Param by hand, then post a message |
110 // to the background thread to set up the channel and create the corresponding | 112 // to the background thread to set up the channel and create the corresponding |
111 // NPObjectStub. Post that message before doing any IPC, to make sure that | 113 // NPObjectStub. Post that message before doing any IPC, to make sure that |
112 // the channel and object proxies are ready before responses are received | 114 // the channel and object proxies are ready before responses are received |
113 // from the renderer. | 115 // from the renderer. |
114 | 116 |
115 // Create an NPVariantParam suitable for serialization over IPC from our | 117 // Create an NPVariantParam suitable for serialization over IPC from our |
116 // NPVariant. See CreateNPVariantParam() in npobject_utils. | 118 // NPVariant. See CreateNPVariantParam() in npobject_utils. |
117 param->type = NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID; | 119 param->type = content::NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID; |
118 int route_id = JavaBridgeChannelHost::ThreadsafeGenerateRouteID(); | 120 int route_id = JavaBridgeChannelHost::ThreadsafeGenerateRouteID(); |
119 param->npobject_routing_id = route_id; | 121 param->npobject_routing_id = route_id; |
120 | 122 |
121 WebKit::WebBindings::retainObject(object); | 123 WebKit::WebBindings::retainObject(object); |
122 g_background_thread.Get().message_loop()->PostTask( | 124 g_background_thread.Get().message_loop()->PostTask( |
123 FROM_HERE, | 125 FROM_HERE, |
124 base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object, | 126 base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object, |
125 route_id)); | 127 route_id)); |
126 } | 128 } |
127 | 129 |
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138 // is governed by that of the NPObjectProxy in the renderer, via the channel. | 140 // is governed by that of the NPObjectProxy in the renderer, via the channel. |
139 // Pass 0 for the containing window, as it's only used by plugins to pump the | 141 // Pass 0 for the containing window, as it's only used by plugins to pump the |
140 // window message queue when a method on a renderer-side object causes a | 142 // window message queue when a method on a renderer-side object causes a |
141 // dialog to be displayed, and the Java Bridge does not need this | 143 // dialog to be displayed, and the Java Bridge does not need this |
142 // functionality. The page URL is also not required. | 144 // functionality. The page URL is also not required. |
143 new NPObjectStub(object, channel_, route_id, 0, GURL()); | 145 new NPObjectStub(object, channel_, route_id, 0, GURL()); |
144 // The NPObjectStub takes a reference to the NPObject. Release the ref added | 146 // The NPObjectStub takes a reference to the NPObject. Release the ref added |
145 // in CreateNPVariantParam(). | 147 // in CreateNPVariantParam(). |
146 WebKit::WebBindings::releaseObject(object); | 148 WebKit::WebBindings::releaseObject(object); |
147 } | 149 } |
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