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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ppapi/cpp/instance.h"
#include "ppapi/c/pp_errors.h"
#include "ppapi/c/ppb_console.h"
#include "ppapi/c/ppb_input_event.h"
#include "ppapi/c/ppb_instance.h"
#include "ppapi/c/ppb_messaging.h"
#include "ppapi/c/ppp_message_handler.h"
#include "ppapi/cpp/graphics_2d.h"
#include "ppapi/cpp/graphics_3d.h"
#include "ppapi/cpp/image_data.h"
#include "ppapi/cpp/input_event_interface_name.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/logging.h"
#include "ppapi/cpp/message_handler.h"
#include "ppapi/cpp/message_loop.h"
#include "ppapi/cpp/module.h"
#include "ppapi/cpp/module_impl.h"
#include "ppapi/cpp/point.h"
#include "ppapi/cpp/resource.h"
#include "ppapi/cpp/var.h"
#include "ppapi/cpp/view.h"
namespace pp {
namespace {
template <> const char* interface_name<PPB_Console_1_0>() {
return PPB_CONSOLE_INTERFACE_1_0;
}
template <> const char* interface_name<PPB_Instance_1_0>() {
return PPB_INSTANCE_INTERFACE_1_0;
}
template <> const char* interface_name<PPB_Messaging_1_0>() {
return PPB_MESSAGING_INTERFACE_1_0;
}
template <> const char* interface_name<PPB_Messaging_1_2>() {
return PPB_MESSAGING_INTERFACE_1_2;
}
// PPP_MessageHandler implementation -------------------------------------------
void HandleMessage(PP_Instance pp_instance,
void* user_data,
const PP_Var* var) {
MessageHandler* message_handler = static_cast<MessageHandler*>(user_data);
message_handler->HandleMessage(InstanceHandle(pp_instance), Var(*var));
}
void HandleBlockingMessage(PP_Instance pp_instance,
void* user_data,
const PP_Var* var,
PP_Var* result) {
MessageHandler* message_handler = static_cast<MessageHandler*>(user_data);
pp::Var result_var =
message_handler->HandleBlockingMessage(InstanceHandle(pp_instance),
Var(*var));
*result = result_var.Detach();
}
void Destroy(PP_Instance pp_instance, void* user_data) {
MessageHandler* message_handler = static_cast<MessageHandler*>(user_data);
message_handler->WasUnregistered(InstanceHandle(pp_instance));
}
static PPP_MessageHandler_0_2 message_handler_if = {
&HandleMessage, &HandleBlockingMessage, &Destroy
};
} // namespace
Instance::Instance(PP_Instance instance) : pp_instance_(instance) {
}
Instance::~Instance() {
}
bool Instance::Init(uint32_t /*argc*/, const char* /*argn*/[],
const char* /*argv*/[]) {
return true;
}
void Instance::DidChangeView(const View& view) {
// Call the deprecated version for source backwards-compat.
DidChangeView(view.GetRect(), view.GetClipRect());
}
void Instance::DidChangeView(const pp::Rect& /*position*/,
const pp::Rect& /*clip*/) {
}
void Instance::DidChangeFocus(bool /*has_focus*/) {
}
bool Instance::HandleDocumentLoad(const URLLoader& /*url_loader*/) {
return false;
}
bool Instance::HandleInputEvent(const InputEvent& /*event*/) {
return false;
}
void Instance::HandleMessage(const Var& /*message*/) {
return;
}
bool Instance::BindGraphics(const Graphics2D& graphics) {
if (!has_interface<PPB_Instance_1_0>())
return false;
return PP_ToBool(get_interface<PPB_Instance_1_0>()->BindGraphics(
pp_instance(), graphics.pp_resource()));
}
bool Instance::BindGraphics(const Graphics3D& graphics) {
if (!has_interface<PPB_Instance_1_0>())
return false;
return PP_ToBool(get_interface<PPB_Instance_1_0>()->BindGraphics(
pp_instance(), graphics.pp_resource()));
}
bool Instance::IsFullFrame() {
if (!has_interface<PPB_Instance_1_0>())
return false;
return PP_ToBool(get_interface<PPB_Instance_1_0>()->IsFullFrame(
pp_instance()));
}
int32_t Instance::RequestInputEvents(uint32_t event_classes) {
if (!has_interface<PPB_InputEvent_1_0>())
return PP_ERROR_NOINTERFACE;
return get_interface<PPB_InputEvent_1_0>()->RequestInputEvents(pp_instance(),
event_classes);
}
int32_t Instance::RequestFilteringInputEvents(uint32_t event_classes) {
if (!has_interface<PPB_InputEvent_1_0>())
return PP_ERROR_NOINTERFACE;
return get_interface<PPB_InputEvent_1_0>()->RequestFilteringInputEvents(
pp_instance(), event_classes);
}
void Instance::ClearInputEventRequest(uint32_t event_classes) {
if (!has_interface<PPB_InputEvent_1_0>())
return;
get_interface<PPB_InputEvent_1_0>()->ClearInputEventRequest(pp_instance(),
event_classes);
}
void Instance::PostMessage(const Var& message) {
if (has_interface<PPB_Messaging_1_2>()) {
get_interface<PPB_Messaging_1_2>()->PostMessage(pp_instance(),
message.pp_var());
} else if (has_interface<PPB_Messaging_1_0>()) {
get_interface<PPB_Messaging_1_0>()->PostMessage(pp_instance(),
message.pp_var());
}
}
int32_t Instance::RegisterMessageHandler(MessageHandler* message_handler,
const MessageLoop& message_loop) {
if (!has_interface<PPB_Messaging_1_2>())
return PP_ERROR_NOTSUPPORTED;
return get_interface<PPB_Messaging_1_2>()->RegisterMessageHandler(
pp_instance(),
message_handler,
&message_handler_if,
message_loop.pp_resource());
}
void Instance::UnregisterMessageHandler() {
if (!has_interface<PPB_Messaging_1_2>())
return;
get_interface<PPB_Messaging_1_2>()->UnregisterMessageHandler(pp_instance());
}
void Instance::LogToConsole(PP_LogLevel level, const Var& value) {
if (!has_interface<PPB_Console_1_0>())
return;
get_interface<PPB_Console_1_0>()->Log(
pp_instance(), level, value.pp_var());
}
void Instance::LogToConsoleWithSource(PP_LogLevel level,
const Var& source,
const Var& value) {
if (!has_interface<PPB_Console_1_0>())
return;
get_interface<PPB_Console_1_0>()->LogWithSource(
pp_instance(), level, source.pp_var(), value.pp_var());
}
void Instance::AddPerInstanceObject(const std::string& interface_name,
void* object) {
// Ensure we're not trying to register more than one object per interface
// type. Otherwise, we'll get confused in GetPerInstanceObject.
PP_DCHECK(interface_name_to_objects_.find(interface_name) ==
interface_name_to_objects_.end());
interface_name_to_objects_[interface_name] = object;
}
void Instance::RemovePerInstanceObject(const std::string& interface_name,
void* object) {
InterfaceNameToObjectMap::iterator found = interface_name_to_objects_.find(
interface_name);
if (found == interface_name_to_objects_.end()) {
// Attempting to unregister an object that doesn't exist or was already
// unregistered.
PP_DCHECK(false);
return;
}
// Validate that we're removing the object we thing we are.
PP_DCHECK(found->second == object);
(void)object; // Prevent warning in release mode.
interface_name_to_objects_.erase(found);
}
// static
void Instance::RemovePerInstanceObject(const InstanceHandle& instance,
const std::string& interface_name,
void* object) {
// TODO(brettw) assert we're on the main thread.
Instance* that = Module::Get()->InstanceForPPInstance(instance.pp_instance());
if (!that)
return;
that->RemovePerInstanceObject(interface_name, object);
}
// static
void* Instance::GetPerInstanceObject(PP_Instance instance,
const std::string& interface_name) {
Instance* that = Module::Get()->InstanceForPPInstance(instance);
if (!that)
return NULL;
InterfaceNameToObjectMap::iterator found =
that->interface_name_to_objects_.find(interface_name);
if (found == that->interface_name_to_objects_.end())
return NULL;
return found->second;
}
} // namespace pp
|
