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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. | |
4 | |
5 #ifndef CONTENT_PLUGIN_WEBPLUGIN_PROXY_H_ | |
6 #define CONTENT_PLUGIN_WEBPLUGIN_PROXY_H_ | |
7 | |
8 #include <stdint.h> | |
9 | |
10 #include <string> | |
11 | |
12 #include "base/containers/hash_tables.h" | |
13 #include "base/memory/ref_counted.h" | |
14 #include "base/memory/scoped_ptr.h" | |
15 #include "base/memory/weak_ptr.h" | |
16 #include "build/build_config.h" | |
17 #include "content/child/npapi/webplugin.h" | |
18 #include "ipc/ipc_message.h" | |
19 #include "ipc/ipc_sender.h" | |
20 #include "skia/ext/refptr.h" | |
21 #include "third_party/skia/include/core/SkCanvas.h" | |
22 #include "ui/gl/gpu_preference.h" | |
23 #include "ui/surface/transport_dib.h" | |
24 #include "url/gurl.h" | |
25 | |
26 #if defined(OS_MACOSX) | |
27 #include <ApplicationServices/ApplicationServices.h> | |
28 | |
29 #include "base/mac/scoped_cftyperef.h" | |
30 #endif | |
31 | |
32 namespace content { | |
33 class PluginChannel; | |
34 class WebPluginDelegateImpl; | |
35 | |
36 #if defined(OS_MACOSX) | |
37 class WebPluginAcceleratedSurfaceProxy; | |
38 #endif | |
39 | |
40 // This is an implementation of WebPlugin that proxies all calls to the | |
41 // renderer. | |
42 class WebPluginProxy : public WebPlugin, | |
43 public IPC::Sender { | |
44 public: | |
45 // Creates a new proxy for WebPlugin, using the given sender to send the | |
46 // marshalled WebPlugin calls. | |
47 WebPluginProxy(PluginChannel* channel, | |
48 int route_id, | |
49 const GURL& page_url, | |
50 int host_render_view_routing_id); | |
51 ~WebPluginProxy() override; | |
52 | |
53 void set_delegate(WebPluginDelegateImpl* d) { delegate_ = d; } | |
54 | |
55 // WebPlugin overrides | |
56 void Invalidate() override; | |
57 void InvalidateRect(const gfx::Rect& rect) override; | |
58 bool FindProxyForUrl(const GURL& url, std::string* proxy_list) override; | |
59 void SetCookie(const GURL& url, | |
60 const GURL& first_party_for_cookies, | |
61 const std::string& cookie) override; | |
62 std::string GetCookies(const GURL& url, | |
63 const GURL& first_party_for_cookies) override; | |
64 void UpdateGeometry(const gfx::Rect& window_rect, | |
65 const gfx::Rect& clip_rect, | |
66 const TransportDIB::Handle& windowless_buffer0, | |
67 const TransportDIB::Handle& windowless_buffer1, | |
68 int windowless_buffer_index); | |
69 void CancelDocumentLoad() override; | |
70 void DidStartLoading() override; | |
71 void DidStopLoading() override; | |
72 bool IsOffTheRecord() override; | |
73 #if defined(OS_MACOSX) | |
74 void FocusChanged(bool focused) override; | |
75 void StartIme() override; | |
76 WebPluginAcceleratedSurface* GetAcceleratedSurface( | |
77 gfx::GpuPreference gpu_preference) override; | |
78 void AcceleratedPluginEnabledRendering() override; | |
79 void AcceleratedPluginAllocatedIOSurface(int32_t width, | |
80 int32_t height, | |
81 uint32_t surface_id) override; | |
82 void AcceleratedPluginSwappedIOSurface() override; | |
83 #endif | |
84 | |
85 // IPC::Sender implementation. | |
86 bool Send(IPC::Message* msg) override; | |
87 | |
88 // class-specific methods | |
89 | |
90 // Returns the id of the renderer that contains this plugin. | |
91 int GetRendererId(); | |
92 | |
93 // Returns the id of the associated render view. | |
94 int host_render_view_routing_id() const { | |
95 return host_render_view_routing_id_; | |
96 } | |
97 | |
98 // For windowless plugins, paints the given rectangle into the local buffer. | |
99 void Paint(const gfx::Rect& rect); | |
100 | |
101 // Callback from the renderer to let us know that a paint occurred. | |
102 void DidPaint(); | |
103 | |
104 private: | |
105 class SharedTransportDIB : public base::RefCounted<SharedTransportDIB> { | |
106 public: | |
107 explicit SharedTransportDIB(TransportDIB* dib); | |
108 TransportDIB* dib() { return dib_.get(); } | |
109 private: | |
110 friend class base::RefCounted<SharedTransportDIB>; | |
111 ~SharedTransportDIB(); | |
112 | |
113 scoped_ptr<TransportDIB> dib_; | |
114 }; | |
115 | |
116 // Handler for sending over the paint event to the plugin. | |
117 void OnPaint(const gfx::Rect& damaged_rect); | |
118 | |
119 #if defined(OS_WIN) | |
120 void CreateCanvasFromHandle(const TransportDIB::Handle& dib_handle, | |
121 const gfx::Rect& window_rect, | |
122 skia::RefPtr<SkCanvas>* canvas); | |
123 #elif defined(OS_MACOSX) | |
124 static void CreateDIBAndCGContextFromHandle( | |
125 const TransportDIB::Handle& dib_handle, | |
126 const gfx::Rect& window_rect, | |
127 scoped_ptr<TransportDIB>* dib_out, | |
128 base::ScopedCFTypeRef<CGContextRef>* cg_context_out); | |
129 #endif | |
130 | |
131 // Updates the shared memory sections where windowless plugins paint. | |
132 void SetWindowlessBuffers(const TransportDIB::Handle& windowless_buffer0, | |
133 const TransportDIB::Handle& windowless_buffer1, | |
134 const gfx::Rect& window_rect); | |
135 | |
136 #if defined(OS_MACOSX) | |
137 CGContextRef windowless_context() const { | |
138 return windowless_contexts_[windowless_buffer_index_].get(); | |
139 } | |
140 #else | |
141 skia::RefPtr<SkCanvas> windowless_canvas() const { | |
142 return windowless_canvases_[windowless_buffer_index_]; | |
143 } | |
144 #endif | |
145 | |
146 scoped_refptr<PluginChannel> channel_; | |
147 int route_id_; | |
148 WebPluginDelegateImpl* delegate_; | |
149 gfx::Rect damaged_rect_; | |
150 bool waiting_for_paint_; | |
151 // The url of the main frame hosting the plugin. | |
152 GURL page_url_; | |
153 | |
154 // Variables used for desynchronized windowless plugin painting. See note in | |
155 // webplugin_delegate_proxy.h for how this works. The two sets of windowless_* | |
156 // fields are for the front-buffer and back-buffer of a buffer flipping system | |
157 // and windowless_buffer_index_ identifies which set we are using as the | |
158 // back-buffer at any given time. | |
159 int windowless_buffer_index_; | |
160 #if defined(OS_MACOSX) | |
161 scoped_ptr<TransportDIB> windowless_dibs_[2]; | |
162 base::ScopedCFTypeRef<CGContextRef> windowless_contexts_[2]; | |
163 scoped_ptr<WebPluginAcceleratedSurfaceProxy> accelerated_surface_; | |
164 #else | |
165 skia::RefPtr<SkCanvas> windowless_canvases_[2]; | |
166 #endif | |
167 | |
168 // Contains the routing id of the host render view. | |
169 int host_render_view_routing_id_; | |
170 | |
171 base::WeakPtrFactory<WebPluginProxy> weak_factory_; | |
172 }; | |
173 | |
174 } // namespace content | |
175 | |
176 #endif // CONTENT_PLUGIN_WEBPLUGIN_PROXY_H_ | |
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