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// Copyright (c) 2006-2008 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/browser/dom_ui/debugger_ui.h"
#include "base/command_line.h"
#include "base/file_util.h"
#include "base/string_util.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/debugger/debugger_shell.h"
#include "chrome/browser/debugger/debugger_wrapper.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/common/chrome_switches.h"
#include "chrome/common/resource_bundle.h"
#include "chrome/common/url_constants.h"
#include "net/base/mime_util.h"
#include "grit/debugger_resources.h"
namespace {
class DebuggerHTMLSource : public ChromeURLDataManager::DataSource {
public:
// Creates our datasource and sets our user message to a specific message
// from our string bundle.
DebuggerHTMLSource()
: DataSource("debugger", MessageLoop::current()) { }
// Called when the network layer has requested a resource underneath
// the path we registered.
virtual void StartDataRequest(const std::string& path, int request_id) {
int resource_id = 0;
if (!path.length()) {
resource_id = IDR_DEBUGGER_HTML;
} else if (path == "debugger.js") {
resource_id = IDR_DEBUGGER_JS;
} else if (path == "debugger.css") {
resource_id = IDR_DEBUGGER_CSS;
} else {
SendResponse(request_id, NULL);
return;
}
std::wstring debugger_path =
CommandLine::ForCurrentProcess()->GetSwitchValue(
switches::kJavaScriptDebuggerPath);
std::string data_str;
if (!debugger_path.empty() && file_util::PathExists(debugger_path)) {
if (path.empty())
file_util::AppendToPath(&debugger_path, L"debugger.html");
else
file_util::AppendToPath(&debugger_path, UTF8ToWide(path));
if (!file_util::ReadFileToString(debugger_path, &data_str)) {
SendResponse(request_id, NULL);
return;
}
} else {
ResourceBundle& rb = ResourceBundle::GetSharedInstance();
data_str = rb.GetDataResource(resource_id);
}
scoped_refptr<RefCountedBytes> data_bytes(new RefCountedBytes);
data_bytes->data.resize(data_str.size());
std::copy(data_str.begin(), data_str.end(), data_bytes->data.begin());
SendResponse(request_id, data_bytes);
}
virtual std::string GetMimeType(const std::string& path) const {
// Currently but three choices {"", "debugger.js", "debugger.css"}.
// Map the extension to mime-type, defaulting to "text/html".
std::string mime_type("text/html");
#if defined(OS_WIN)
FilePath file_path(ASCIIToWide(path));
#elif defined(OS_POSIX)
FilePath file_path(path);
#endif
net::GetMimeTypeFromFile(file_path, &mime_type);
return mime_type;
}
private:
DISALLOW_COPY_AND_ASSIGN(DebuggerHTMLSource);
};
class DebuggerHandler : public DOMMessageHandler {
public:
explicit DebuggerHandler(DOMUI* dom_ui) : DOMMessageHandler(dom_ui) {
dom_ui->RegisterMessageCallback("DebuggerHostMessage",
NewCallback(this, &DebuggerHandler::HandleDebuggerHostMessage));
}
void HandleDebuggerHostMessage(const Value* content) {
if (!content || !content->IsType(Value::TYPE_LIST)) {
NOTREACHED();
return;
}
const ListValue* args = static_cast<const ListValue*>(content);
if (args->GetSize() < 1) {
NOTREACHED();
return;
}
#ifndef CHROME_DEBUGGER_DISABLED
DebuggerWrapper* wrapper = g_browser_process->debugger_wrapper();
DebuggerHost* debugger_host = wrapper->GetDebugger();
if (!debugger_host) {
NOTREACHED();
return;
}
debugger_host->OnDebuggerHostMsg(args);
#endif
}
private:
DISALLOW_COPY_AND_ASSIGN(DebuggerHandler);
};
} // namespace
DebuggerUI::DebuggerUI(WebContents* contents) : DOMUI(contents) {
AddMessageHandler(new DebuggerHandler(this));
DebuggerHTMLSource* html_source = new DebuggerHTMLSource();
g_browser_process->io_thread()->message_loop()->PostTask(FROM_HERE,
NewRunnableMethod(&chrome_url_data_manager,
&ChromeURLDataManager::AddDataSource,
html_source));
}
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