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
3 // found in the LICENSE file.
5 #ifndef CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
6 #define CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_
8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "content/public/renderer/renderer_ppapi_host.h"
11 #include "content/renderer/pepper/content_renderer_pepper_host_factory.h"
12 #include "ppapi/host/ppapi_host.h"
25 class ResourceCreationAPI;
32 class PepperInProcessRouter;
33 class PepperPluginInstanceImpl;
36 // This class is attached to a PluginModule which manages our lifetime.
37 class RendererPpapiHostImpl : public RendererPpapiHost {
39 virtual ~RendererPpapiHostImpl();
41 // Factory functions to create in process or out-of-process host impls. The
42 // host will be created and associated with the given module, which must not
43 // already have embedder state on it.
45 // The module will take ownership of the new host impl. The returned value
46 // does not pass ownership, it's just for the information of the caller.
47 static RendererPpapiHostImpl* CreateOnModuleForOutOfProcess(
49 ppapi::proxy::HostDispatcher* dispatcher,
50 const ppapi::PpapiPermissions& permissions);
51 static RendererPpapiHostImpl* CreateOnModuleForInProcess(
53 const ppapi::PpapiPermissions& permissions);
55 // Returns the RendererPpapiHostImpl associated with the given PP_Instance,
56 // or NULL if the instance is invalid.
57 static RendererPpapiHostImpl* GetForPPInstance(PP_Instance pp_instance);
59 // Returns the router that we use for in-process IPC emulation (see the
60 // pepper_in_process_router.h for more). This will be NULL when the plugin
61 // is running out-of-process.
62 PepperInProcessRouter* in_process_router() {
63 return in_process_router_.get();
66 // Creates the in-process resource creation API wrapper for the given
67 // plugin instance. This object will reference the host impl, so the
68 // host impl should outlive the returned pointer. Since the resource
69 // creation object is associated with the instance, this will generally
70 // happen automatically.
71 scoped_ptr<ppapi::thunk::ResourceCreationAPI>
72 CreateInProcessResourceCreationAPI(PepperPluginInstanceImpl* instance);
74 PepperPluginInstanceImpl* GetPluginInstanceImpl(PP_Instance instance) const;
76 // RendererPpapiHost implementation.
77 virtual ppapi::host::PpapiHost* GetPpapiHost() OVERRIDE;
78 virtual bool IsValidInstance(PP_Instance instance) const OVERRIDE;
79 virtual PepperPluginInstance* GetPluginInstance(
80 PP_Instance instance) const OVERRIDE;
81 virtual RenderView* GetRenderViewForInstance(
82 PP_Instance instance) const OVERRIDE;
83 virtual WebKit::WebPluginContainer* GetContainerForInstance(
84 PP_Instance instance) const OVERRIDE;
85 virtual base::ProcessId GetPluginPID() const OVERRIDE;
86 virtual bool HasUserGesture(PP_Instance instance) const OVERRIDE;
87 virtual int GetRoutingIDForWidget(PP_Instance instance) const OVERRIDE;
88 virtual gfx::Point PluginPointToRenderView(
90 const gfx::Point& pt) const OVERRIDE;
91 virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
92 base::PlatformFile handle,
93 bool should_close_source) OVERRIDE;
94 virtual bool IsRunningInProcess() const OVERRIDE;
95 virtual void CreateBrowserResourceHosts(
97 const std::vector<IPC::Message>& nested_msgs,
98 const base::Callback<void(
99 const std::vector<int>&)>& callback) const OVERRIDE;
102 RendererPpapiHostImpl(PluginModule* module,
103 ppapi::proxy::HostDispatcher* dispatcher,
104 const ppapi::PpapiPermissions& permissions);
105 RendererPpapiHostImpl(PluginModule* module,
106 const ppapi::PpapiPermissions& permissions);
108 // Retrieves the plugin instance object associated with the given PP_Instance
109 // and validates that it is one of the instances associated with our module.
110 // Returns NULL on failure.
112 // We use this to security check the PP_Instance values sent from a plugin to
113 // make sure it's not trying to spoof another instance.
114 PepperPluginInstanceImpl* GetAndValidateInstance(PP_Instance instance) const;
116 PluginModule* module_; // Non-owning pointer.
118 // The dispatcher we use to send messagse when the plugin is out-of-process.
119 // Will be null when running in-process. Non-owning pointer.
120 ppapi::proxy::HostDispatcher* dispatcher_;
122 scoped_ptr<ppapi::host::PpapiHost> ppapi_host_;
124 // Null when running out-of-process.
125 scoped_ptr<PepperInProcessRouter> in_process_router_;
127 // Whether the plugin is running in process.
128 bool is_running_in_process_;
130 DISALLOW_COPY_AND_ASSIGN(RendererPpapiHostImpl);
133 } // namespace content
135 #endif // CONTENT_RENDERER_PEPPER_RENDERER_PPAPI_HOST_IMPL_H_