1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "web/WebHelperPluginImpl.h"
33
34 #include "core/html/HTMLObjectElement.h"
35 #include "core/loader/FrameLoader.h"
36 #include "core/loader/FrameLoaderClient.h"
37 #include "public/web/WebPlugin.h"
38 #include "web/WebLocalFrameImpl.h"
39 #include "web/WebPluginContainerImpl.h"
40
41 namespace blink {
42
43 DEFINE_TYPE_CASTS(WebHelperPluginImpl, WebHelperPlugin, plugin, true, true);
44
create(const WebString & pluginType,WebLocalFrame * frame)45 WebHelperPlugin* WebHelperPlugin::create(const WebString& pluginType, WebLocalFrame* frame)
46 {
47 OwnPtr<WebHelperPlugin> plugin = adoptPtr<WebHelperPlugin>(new WebHelperPluginImpl());
48 if (!toWebHelperPluginImpl(plugin.get())->initialize(pluginType, toWebLocalFrameImpl(frame)))
49 return 0;
50 return plugin.leakPtr();
51 }
52
WebHelperPluginImpl()53 WebHelperPluginImpl::WebHelperPluginImpl()
54 : m_destructionTimer(this, &WebHelperPluginImpl::reallyDestroy)
55 {
56 }
57
~WebHelperPluginImpl()58 WebHelperPluginImpl::~WebHelperPluginImpl()
59 {
60 }
61
initialize(const String & pluginType,WebLocalFrameImpl * frame)62 bool WebHelperPluginImpl::initialize(const String& pluginType, WebLocalFrameImpl* frame)
63 {
64 ASSERT(!m_objectElement && !m_pluginContainer);
65 if (!frame->frame()->loader().client())
66 return false;
67
68 m_objectElement = HTMLObjectElement::create(*frame->frame()->document(), 0, false);
69 Vector<String> attributeNames;
70 Vector<String> attributeValues;
71 ASSERT(frame->frame()->document()->url().isValid());
72 m_pluginContainer = adoptRef(toWebPluginContainerImpl(frame->frame()->loader().client()->createPlugin(
73 m_objectElement.get(),
74 frame->frame()->document()->url(),
75 attributeNames,
76 attributeValues,
77 pluginType,
78 false,
79 FrameLoaderClient::AllowDetachedPlugin).leakRef()));
80
81 if (!m_pluginContainer)
82 return false;
83
84 // Getting a placeholder plugin is also failure, since it's not the plugin the caller needed.
85 return !getPlugin()->isPlaceholder();
86 }
87
reallyDestroy(Timer<WebHelperPluginImpl> *)88 void WebHelperPluginImpl::reallyDestroy(Timer<WebHelperPluginImpl>*)
89 {
90 delete this;
91 }
92
destroy()93 void WebHelperPluginImpl::destroy()
94 {
95 // Defer deletion so we don't do too much work when called via stopActiveDOMObjects().
96 // FIXME: It's not clear why we still need this. The original code held a Page and a
97 // WebFrame, and destroying it would cause JavaScript triggered by frame detach to run,
98 // which isn't allowed inside stopActiveDOMObjects(). Removing this causes one Chrome test
99 // to fail with a timeout.
100 m_destructionTimer.startOneShot(0, FROM_HERE);
101 }
102
getPlugin()103 WebPlugin* WebHelperPluginImpl::getPlugin()
104 {
105 ASSERT(m_pluginContainer);
106 ASSERT(m_pluginContainer->plugin());
107 return m_pluginContainer->plugin();
108 }
109
110 } // namespace blink
111