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Emit 'page-title-updated' as javascript event for window.

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This commit is contained in:
Cheng Zhao 2013-04-18 23:50:47 +08:00
parent 1309d04ca7
commit d3e4db7ba3
9 changed files with 82 additions and 4 deletions
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42
browser/api/atom_api_event_emitter.cc
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@ -4,6 +4,14 @@
#include "browser/api/atom_api_event_emitter.h"
#include <vector>
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "browser/api/atom_api_event.h"
#include "common/v8_value_converter_impl.h"
namespace atom {
namespace api {
@ -15,6 +23,40 @@ EventEmitter::EventEmitter(v8::Handle<v8::Object> wrapper) {
EventEmitter::~EventEmitter() {
}
bool EventEmitter::Emit(const std::string& name, base::ListValue* args) {
v8::HandleScope scope;
v8::Handle<v8::Context> context = v8::Context::GetCurrent();
scoped_ptr<content::V8ValueConverter> converter(new V8ValueConverterImpl);
v8::Handle<v8::Object> v8_event = Event::CreateV8Object();
Event* event = Event::Unwrap<Event>(v8_event);
// Generate arguments for calling handle.emit.
std::vector<v8::Handle<v8::Value>> v8_args;
v8_args.reserve(args->GetSize() + 2);
v8_args.push_back(v8::String::New(name.c_str(), name.size()));
v8_args.push_back(v8_event);
for (size_t i = 0; i < args->GetSize(); i++) {
base::Value* value = NULL;
if (args->Get(i, &value)) {
DCHECK(value);
v8_args.push_back(converter->ToV8Value(value, context));
} else {
NOTREACHED() << "Wrong offset " << i << " for " << *args;
}
}
node::MakeCallback(handle(), "emit", v8_args.size(), &v8_args[0]);
bool prevent_default = event->prevent_default();
// Don't wait for V8 GC, delete it immediately.
delete event;
return prevent_default;
}
} // namespace api
} // namespace atom