1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PPAPI_PPB_GRAPHICS_2D_PROXY_H_
#define PPAPI_PPB_GRAPHICS_2D_PROXY_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_module.h"
#include "ppapi/c/pp_module.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_size.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/cpp/completion_callback.h"
#include "ppapi/proxy/host_resource.h"
#include "ppapi/proxy/interface_proxy.h"
#include "ppapi/proxy/plugin_resource.h"
#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
#include "ppapi/thunk/ppb_graphics_2d_api.h"
struct PPB_Graphics2D;
struct PP_Point;
struct PP_Rect;
namespace pp {
namespace proxy {
class PPB_Graphics2D_Proxy : public InterfaceProxy {
public:
PPB_Graphics2D_Proxy(Dispatcher* dispatcher, const void* target_interface);
virtual ~PPB_Graphics2D_Proxy();
static const Info* GetInfo();
const PPB_Graphics2D* ppb_graphics_2d_target() const {
return static_cast<const PPB_Graphics2D*>(target_interface());
}
// InterfaceProxy implementation.
virtual bool OnMessageReceived(const IPC::Message& msg);
private:
// Plugin->renderer message handlers.
void OnMsgPaintImageData(const HostResource& graphics_2d,
const HostResource& image_data,
const PP_Point& top_left,
bool src_rect_specified,
const PP_Rect& src_rect);
void OnMsgScroll(const HostResource& graphics_2d,
bool clip_specified,
const PP_Rect& clip,
const PP_Point& amount);
void OnMsgReplaceContents(const HostResource& graphics_2d,
const HostResource& image_data);
void OnMsgFlush(const HostResource& graphics_2d);
// Renderer->plugin message handlers.
void OnMsgFlushACK(const HostResource& graphics_2d,
int32_t pp_error);
// Called in the renderer to send the given flush ACK to the plugin.
void SendFlushACKToPlugin(int32_t result,
const HostResource& graphics_2d);
CompletionCallbackFactory<PPB_Graphics2D_Proxy,
ProxyNonThreadSafeRefCount> callback_factory_;
};
class Graphics2D : public PluginResource,
public ::ppapi::thunk::PPB_Graphics2D_API {
public:
Graphics2D(const HostResource& host_resource,
const PP_Size& size,
PP_Bool is_always_opaque)
: PluginResource(host_resource),
size_(size),
is_always_opaque_(is_always_opaque),
current_flush_callback_(PP_BlockUntilComplete()) {
}
virtual ~Graphics2D() {
}
// Resource overrides.
virtual Graphics2D* AsGraphics2D() { return this; }
const PP_Size& size() const { return size_; }
PP_Bool is_always_opaque() const { return is_always_opaque_; }
bool is_flush_pending() const { return !!current_flush_callback_.func; }
PP_CompletionCallback current_flush_callback() const {
return current_flush_callback_;
}
void set_current_flush_callback(PP_CompletionCallback cb) {
current_flush_callback_ = cb;
}
// ResourceObjectBase.
virtual PPB_Graphics2D_API* AsGraphics2D_API();
// PPB_Graphics_2D_API.
PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque);
void PaintImageData(PP_Resource image_data,
const PP_Point* top_left,
const PP_Rect* src_rect);
void Scroll(const PP_Rect* clip_rect,
const PP_Point* amount);
void ReplaceContents(PP_Resource image_data);
int32_t Flush(PP_CompletionCallback callback);
private:
PP_Size size_;
PP_Bool is_always_opaque_;
// In the plugin, this is the current callback set for Flushes. When the
// callback function pointer is non-NULL, we're waiting for a flush ACK.
PP_CompletionCallback current_flush_callback_;
DISALLOW_COPY_AND_ASSIGN(Graphics2D);
};
} // namespace proxy
} // namespace pp
#endif // PPAPI_PPB_GRAPHICS_2D_PROXY_H_
|
