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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/browser_plugin/browser_plugin_message_filter.h" | 5 #include "content/browser/browser_plugin/browser_plugin_message_filter.h" |
6 | 6 |
7 #include "base/supports_user_data.h" | 7 #include "base/supports_user_data.h" |
8 #include "content/browser/browser_plugin/browser_plugin_guest.h" | 8 #include "content/browser/browser_plugin/browser_plugin_guest.h" |
9 #include "content/browser/gpu/gpu_process_host.h" | 9 #include "content/browser/gpu/gpu_process_host.h" |
10 #include "content/browser/web_contents/web_contents_impl.h" | 10 #include "content/browser/web_contents/web_contents_impl.h" |
11 #include "content/common/browser_plugin/browser_plugin_constants.h" | 11 #include "content/common/browser_plugin/browser_plugin_constants.h" |
12 #include "content/common/browser_plugin/browser_plugin_messages.h" | 12 #include "content/common/browser_plugin/browser_plugin_messages.h" |
13 #include "content/common/view_messages.h" | 13 #include "content/common/view_messages.h" |
14 #include "content/public/browser/browser_context.h" | 14 #include "content/public/browser/browser_context.h" |
15 #include "content/public/browser/browser_plugin_guest_manager.h" | 15 #include "content/public/browser/browser_plugin_guest_manager.h" |
16 #include "content/public/browser/browser_thread.h" | 16 #include "content/public/browser/browser_thread.h" |
17 #include "content/public/browser/render_view_host.h" | 17 #include "content/public/browser/render_view_host.h" |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 | 20 |
21 BrowserPluginMessageFilter::BrowserPluginMessageFilter(int render_process_id) | 21 BrowserPluginMessageFilter::BrowserPluginMessageFilter(int render_process_id) |
22 : BrowserMessageFilter(BrowserPluginMsgStart), | 22 : BrowserMessageFilter(BrowserPluginMsgStart), |
23 render_process_id_(render_process_id) { | 23 render_process_id_(render_process_id) { |
24 } | 24 } |
25 | 25 |
26 BrowserPluginMessageFilter::~BrowserPluginMessageFilter() { | 26 BrowserPluginMessageFilter::~BrowserPluginMessageFilter() { |
27 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 27 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
28 } | 28 } |
29 | 29 |
30 bool BrowserPluginMessageFilter::OnMessageReceived( | 30 bool BrowserPluginMessageFilter::OnMessageReceived( |
31 const IPC::Message& message) { | 31 const IPC::Message& message) { |
32 // Any message requested by a BrowserPluginGuest should be routed through | 32 // Any message requested by a BrowserPluginGuest should be routed through |
33 // a BrowserPluginGuestManager. | 33 // a BrowserPluginGuestManager. |
34 if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) { | 34 if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) { |
35 ForwardMessageToGuest(message); | 35 ForwardMessageToGuest(message); |
36 // We always swallow messages destined for BrowserPluginGuest because we're | 36 // We always swallow messages destined for BrowserPluginGuest because we're |
37 // on the UI thread and fallback code is expected to be run on the IO | 37 // on the UI thread and fallback code is expected to be run on the IO |
38 // thread. | 38 // thread. |
39 return true; | 39 return true; |
40 } | 40 } |
41 return false; | 41 return false; |
42 } | 42 } |
43 | 43 |
44 void BrowserPluginMessageFilter::OnDestruct() const { | 44 void BrowserPluginMessageFilter::OnDestruct() const { |
45 BrowserThread::DeleteOnIOThread::Destruct(this); | 45 BrowserThread::DeleteOnIOThread::Destruct(this); |
46 } | 46 } |
47 | 47 |
48 void BrowserPluginMessageFilter::OverrideThreadForMessage( | 48 void BrowserPluginMessageFilter::OverrideThreadForMessage( |
49 const IPC::Message& message, BrowserThread::ID* thread) { | 49 const IPC::Message& message, BrowserThread::ID* thread) { |
50 if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) | 50 if (BrowserPluginGuest::ShouldForwardToBrowserPluginGuest(message)) |
51 *thread = BrowserThread::UI; | 51 *thread = BrowserThread::UI; |
52 } | 52 } |
53 | 53 |
54 void BrowserPluginMessageFilter::ForwardMessageToGuest( | 54 void BrowserPluginMessageFilter::ForwardMessageToGuest( |
55 const IPC::Message& message) { | 55 const IPC::Message& message) { |
56 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 56 DCHECK_CURRENTLY_ON(BrowserThread::UI); |
57 auto rph = RenderProcessHost::FromID(render_process_id_); | 57 auto rph = RenderProcessHost::FromID(render_process_id_); |
58 if (!rph) | 58 if (!rph) |
59 return; | 59 return; |
60 | 60 |
61 int browser_plugin_instance_id = browser_plugin::kInstanceIDNone; | 61 int browser_plugin_instance_id = browser_plugin::kInstanceIDNone; |
62 // All allowed messages must have instance_id as their first parameter. | 62 // All allowed messages must have instance_id as their first parameter. |
63 PickleIterator iter(message); | 63 PickleIterator iter(message); |
64 bool success = iter.ReadInt(&browser_plugin_instance_id); | 64 bool success = iter.ReadInt(&browser_plugin_instance_id); |
65 DCHECK(success); | 65 DCHECK(success); |
66 | 66 |
67 WebContents* guest_web_contents = | 67 WebContents* guest_web_contents = |
68 rph->GetBrowserContext()->GetGuestManager() | 68 rph->GetBrowserContext()->GetGuestManager() |
69 ->GetGuestByInstanceID(render_process_id_, | 69 ->GetGuestByInstanceID(render_process_id_, |
70 browser_plugin_instance_id); | 70 browser_plugin_instance_id); |
71 if (!guest_web_contents) | 71 if (!guest_web_contents) |
72 return; | 72 return; |
73 | 73 |
74 static_cast<WebContentsImpl*>(guest_web_contents) | 74 static_cast<WebContentsImpl*>(guest_web_contents) |
75 ->GetBrowserPluginGuest() | 75 ->GetBrowserPluginGuest() |
76 ->OnMessageReceivedFromEmbedder(message); | 76 ->OnMessageReceivedFromEmbedder(message); |
77 } | 77 } |
78 | 78 |
79 } // namespace content | 79 } // namespace content |
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