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// Copyright (c) 2013 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.
#include "chrome/test/chromedriver/frame_tracker.h"
#include <utility>
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/values.h"
#include "chrome/test/chromedriver/devtools_client.h"
#include "chrome/test/chromedriver/status.h"
FrameTracker::FrameTracker(DevToolsClient* client) : client_(client) {
DCHECK(client_);
client_->AddListener(this);
}
FrameTracker::~FrameTracker() {}
Status FrameTracker::GetFrameForContextId(
int context_id, std::string* frame_id) {
if (context_to_frame_map_.count(context_id) == 0)
return Status(kUnknownError, "execution context does not have a frame");
*frame_id = context_to_frame_map_[context_id];
return Status(kOk);
}
Status FrameTracker::GetContextIdForFrame(
const std::string& frame_id, int* context_id) {
if (frame_to_context_map_.count(frame_id) == 0)
return Status(kUnknownError, "frame does not have execution context");
*context_id = frame_to_context_map_[frame_id];
return Status(kOk);
}
Status FrameTracker::OnConnected() {
frame_to_context_map_.clear();
context_to_frame_map_.clear();
// Enable runtime events to allow tracking execution context creation.
base::DictionaryValue params;
Status status = client_->SendCommand("Runtime.enable", params);
if (status.IsError())
return status;
return client_->SendCommand("DOM.getDocument", params);
}
void FrameTracker::OnEvent(const std::string& method,
const base::DictionaryValue& params) {
if (method == "Runtime.executionContextCreated") {
const base::DictionaryValue* context;
if (!params.GetDictionary("context", &context)) {
LOG(ERROR) << "Runtime.executionContextCreated missing dict 'context'";
return;
}
int context_id;
std::string frame_id;
if (!context->GetInteger("id", &context_id) ||
!context->GetString("frameId", &frame_id)) {
std::string json;
base::JSONWriter::Write(context, &json);
LOG(ERROR) << "Runtime.executionContextCreated has invalid 'context': "
<< json;
return;
}
frame_to_context_map_.insert(std::make_pair(frame_id, context_id));
context_to_frame_map_.insert(std::make_pair(context_id, frame_id));
} else if (method == "DOM.documentUpdated") {
frame_to_context_map_.clear();
context_to_frame_map_.clear();
}
}
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