Share same native bindings code on both renderer and browser.

This commit is contained in:
Cheng Zhao 2013-04-21 14:53:26 +08:00
parent 993cf1cc61
commit 5948bff23f
16 changed files with 206 additions and 122 deletions

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Get basic type definitions.
#define IPC_MESSAGE_IMPL
#include "common/api/api_messages.h"
// Generate constructors.
#include "ipc/struct_constructor_macros.h"
#include "common/api/api_messages.h"
// Generate destructors.
#include "ipc/struct_destructor_macros.h"
#include "common/api/api_messages.h"
// Generate param traits write methods.
#include "ipc/param_traits_write_macros.h"
namespace IPC {
#include "common/api/api_messages.h"
} // namespace IPC
// Generate param traits read methods.
#include "ipc/param_traits_read_macros.h"
namespace IPC {
#include "common/api/api_messages.h"
} // namespace IPC
// Generate param traits log methods.
#include "ipc/param_traits_log_macros.h"
namespace IPC {
#include "common/api/api_messages.h"
} // namespace IPC

35
common/api/api_messages.h Normal file
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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Multiply-included file, no traditional include guard.
#include <string>
#include "base/values.h"
#include "content/public/common/common_param_traits.h"
#include "ipc/ipc_message_macros.h"
// The message starter should be declared in ipc/ipc_message_start.h. Since
// we don't wan't to patch Chromium, we just pretend to be Content Shell.
#define IPC_MESSAGE_START ShellMsgStart
IPC_SYNC_MESSAGE_CONTROL2_1(AtomViewHostMsg_Allocate_Object,
std::string /* type name */,
DictionaryValue /* options */,
int /* object id */)
IPC_SYNC_MESSAGE_CONTROL1_0(AtomViewHostMsg_Deallocate_Object,
int /* object id */)
IPC_SYNC_MESSAGE_CONTROL3_1(AtomViewHostMsg_Call_Object_Method,
int /* object id */,
std::string /* method name */,
ListValue /* arguments */,
DictionaryValue /* return value */)
IPC_SYNC_MESSAGE_CONTROL2_1(AtomViewMsg_Callback,
int /* callback id */,
ListValue /* arguments */,
DictionaryValue /* return value */)

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "common/api/atom_bindings.h"
#include "base/logging.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "vendor/node/src/node.h"
namespace atom {
// Defined in atom_extensions.cc.
node::node_module_struct* GetBuiltinModule(const char *name, bool is_browser);
AtomBindings::AtomBindings() {
}
AtomBindings::~AtomBindings() {
}
void AtomBindings::BindTo(v8::Handle<v8::Object> process) {
v8::HandleScope scope;
node::SetMethod(process, "atom_binding", Binding);
}
// static
v8::Handle<v8::Value> AtomBindings::Binding(const v8::Arguments& args) {
v8::HandleScope scope;
v8::Local<v8::String> module = args[0]->ToString();
v8::String::Utf8Value module_v(module);
node::node_module_struct* modp;
v8::Local<v8::Object> process = v8::Context::GetCurrent()->Global()->
Get(v8::String::New("process"))->ToObject();
DCHECK(!process.IsEmpty());
// is_browser = process.__atom_type == 'browser'.
bool is_browser = std::string("browser") == *v8::String::Utf8Value(
process->Get(v8::String::New("__atom_type")));
// Cached in process.__atom_binding_cache.
v8::Local<v8::Object> binding_cache;
v8::Local<v8::String> bc_name = v8::String::New("__atom_binding_cache");
if (process->Has(bc_name)) {
binding_cache = process->Get(bc_name)->ToObject();
DCHECK(!binding_cache.IsEmpty());
} else {
binding_cache = v8::Object::New();
process->Set(bc_name, binding_cache);
}
v8::Local<v8::Object> exports;
if (binding_cache->Has(module)) {
exports = binding_cache->Get(module)->ToObject();
return scope.Close(exports);
}
if ((modp = GetBuiltinModule(*module_v, is_browser)) != NULL) {
exports = v8::Object::New();
// Internal bindings don't have a "module" object,
// only exports.
modp->register_func(exports, v8::Undefined());
binding_cache->Set(module, exports);
return scope.Close(exports);
}
return v8::ThrowException(v8::Exception::Error(
v8::String::New("No such module")));
}
void AtomBindings::BindToFrame(WebKit::WebFrame* frame) {
v8::HandleScope handle_scope;
v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
if (context.IsEmpty())
return;
v8::Context::Scope scope(context);
v8::Handle<v8::Object> process =
context->Global()->Get(v8::String::New("process"))->ToObject();
DCHECK(!process.IsEmpty());
AtomBindings::BindTo(process);
}
} // namespace atom

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ATOM_COMMON_API_ATOM_BINDINGS_
#define ATOM_COMMON_API_ATOM_BINDINGS_
#include "base/basictypes.h"
#include "v8/include/v8.h"
namespace WebKit {
class WebFrame;
}
namespace atom {
class AtomBindings {
public:
AtomBindings();
virtual ~AtomBindings();
// Add process.atom_binding function, which behaves like process.binding but
// load native code from atom-shell instead.
virtual void BindTo(v8::Handle<v8::Object> process);
// Call BindTo for process object of the frame.
void BindToFrame(WebKit::WebFrame* frame);
private:
static v8::Handle<v8::Value> Binding(const v8::Arguments& args);
DISALLOW_COPY_AND_ASSIGN(AtomBindings);
};
} // namespace atom
#endif // ATOM_COMMON_API_ATOM_BINDINGS_

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string.h>
#include <stdio.h>
#include "vendor/node/src/node.h"
#include "vendor/node/src/node_version.h"
namespace atom {
#undef NODE_EXT_LIST_START
#undef NODE_EXT_LIST_ITEM
#undef NODE_EXT_LIST_END
#define NODE_EXT_LIST_START
#define NODE_EXT_LIST_ITEM NODE_MODULE_DECL
#define NODE_EXT_LIST_END
#include "common/api/atom_extensions.h"
#undef NODE_EXT_LIST_START
#undef NODE_EXT_LIST_ITEM
#undef NODE_EXT_LIST_END
#define NODE_EXT_STRING(x) &x ## _module,
#define NODE_EXT_LIST_START node::node_module_struct *node_module_list[] = {
#define NODE_EXT_LIST_ITEM NODE_EXT_STRING
#define NODE_EXT_LIST_END NULL};
#include "common/api/atom_extensions.h" // NOLINT
node::node_module_struct* GetBuiltinModule(const char *name, bool is_browser) {
char buf[128];
node::node_module_struct *cur = NULL;
if (is_browser)
snprintf(buf, sizeof(buf), "atom_browser_%s", name);
else
snprintf(buf, sizeof(buf), "atom_renderer_%s", name);
/* TODO: you could look these up in a hash, but there are only
* a few, and once loaded they are cached. */
for (int i = 0; node_module_list[i] != NULL; i++) {
cur = node_module_list[i];
if (strcmp(cur->modname, buf) == 0) {
return cur;
}
}
return NULL;
}
} // namespace atom

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// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Multiply-included file, no traditional include guard.
// Used by atom_extensions.cc to declare a list of built-in modules of Atom.
NODE_EXT_LIST_START
NODE_EXT_LIST_ITEM(atom_browser_window)
NODE_EXT_LIST_END