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39
40 // This is based on chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.cc:
41 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
42 // Use of this source code is governed by a BSD-style license that can be
43 // found in the LICENSE.Chromium file.
44
45 #include "pepper_host_factory_qt.h"
46
47 #include "base/memory/ptr_util.h"
48 #include "build/build_config.h"
49 #include "chrome/browser/renderer_host/pepper/pepper_flash_clipboard_message_filter.h"
50 #include "content/public/browser/browser_ppapi_host.h"
51 #include "ppapi/host/message_filter_host.h"
52 #include "ppapi/host/ppapi_host.h"
53 #include "ppapi/host/resource_host.h"
54 #include "ppapi/proxy/ppapi_messages.h"
55 #include "ppapi/shared_impl/ppapi_permissions.h"
56
57 #include "pepper_flash_browser_host_qt.h"
58 #include "pepper_isolated_file_system_message_filter.h"
59
60 using ppapi::host::MessageFilterHost;
61 using ppapi::host::ResourceMessageFilter;
62
63 namespace QtWebEngineCore {
64
PepperHostFactoryQt(content::BrowserPpapiHost * host)65 PepperHostFactoryQt::PepperHostFactoryQt(content::BrowserPpapiHost* host)
66 : host_(host)
67 {
68 }
69
~PepperHostFactoryQt()70 PepperHostFactoryQt::~PepperHostFactoryQt() {}
71
CreateResourceHost(ppapi::host::PpapiHost * host,PP_Resource resource,PP_Instance instance,const IPC::Message & message)72 std::unique_ptr<ppapi::host::ResourceHost> PepperHostFactoryQt::CreateResourceHost(ppapi::host::PpapiHost* host,
73 PP_Resource resource,
74 PP_Instance instance,
75 const IPC::Message& message)
76 {
77 DCHECK(host == host_->GetPpapiHost());
78
79
80 if (!host_->IsValidInstance(instance))
81 return nullptr;
82
83 // Flash interfaces.
84 if (host_->GetPpapiHost()->permissions().HasPermission(ppapi::PERMISSION_FLASH)) {
85 switch (message.type()) {
86 case PpapiHostMsg_Flash_Create::ID:
87 return base::WrapUnique(new PepperFlashBrowserHostQt(host_, instance, resource));
88 case PpapiHostMsg_FlashClipboard_Create::ID: {
89 scoped_refptr<ResourceMessageFilter> clipboard_filter(new PepperFlashClipboardMessageFilter);
90 return base::WrapUnique(new MessageFilterHost(
91 host_->GetPpapiHost(), instance, resource, clipboard_filter));
92 }
93 }
94 }
95
96 // Permissions for the following interfaces will be checked at the
97 // time of the corresponding instance's methods calls (because
98 // permission check can be performed only on the UI
99 // thread). Currently these interfaces are available only for
100 // whitelisted apps which may not have access to the other private
101 // interfaces.
102 if (message.type() == PpapiHostMsg_IsolatedFileSystem_Create::ID) {
103 PepperIsolatedFileSystemMessageFilter* isolated_fs_filter = PepperIsolatedFileSystemMessageFilter::Create(instance, host_);
104 if (!isolated_fs_filter)
105 return nullptr;
106 return base::WrapUnique(
107 new MessageFilterHost(host_->GetPpapiHost(), instance, resource, isolated_fs_filter));
108 }
109
110 return nullptr;
111 }
112
113 } // namespace QtWebEngineCore
114