146 lines
4.5 KiB
C++
146 lines
4.5 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/devtools_scheme_handler.h"
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#include <string>
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#include "include/cef_browser.h"
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#include "include/cef_request.h"
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#include "include/cef_resource_handler.h"
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#include "include/cef_response.h"
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#include "include/cef_scheme.h"
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#include "include/cef_stream.h"
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#include "include/cef_url.h"
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#include "base/file_util.h"
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#include "base/string_util.h"
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#include "content/public/common/content_client.h"
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#include "grit/devtools_resources_map.h"
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#include "ui/base/resource/resource_bundle.h"
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const char kChromeDevToolsScheme[] = "chrome-devtools";
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const char kChromeDevToolsHost[] = "devtools";
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const char kChromeDevToolsURL[] = "chrome-devtools://devtools/";
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namespace {
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static std::string PathWithoutParams(const std::string& path) {
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size_t query_position = path.find("?");
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if (query_position != std::string::npos)
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return path.substr(0, query_position);
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return path;
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}
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static std::string GetMimeType(const std::string& filename) {
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if (EndsWith(filename, ".html", false)) {
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return "text/html";
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} else if (EndsWith(filename, ".css", false)) {
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return "text/css";
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} else if (EndsWith(filename, ".js", false)) {
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return "application/javascript";
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} else if (EndsWith(filename, ".png", false)) {
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return "image/png";
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} else if (EndsWith(filename, ".gif", false)) {
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return "image/gif";
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}
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NOTREACHED();
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return "text/plain";
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}
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class DevToolsSchemeHandler : public CefResourceHandler {
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public:
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DevToolsSchemeHandler(const std::string& path,
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CefRefPtr<CefStreamReader> reader,
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int size)
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: path_(path), reader_(reader), size_(size) {
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}
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virtual bool ProcessRequest(CefRefPtr<CefRequest> request,
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CefRefPtr<CefCallback> callback)
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OVERRIDE {
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callback->Continue();
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return true;
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}
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virtual void GetResponseHeaders(CefRefPtr<CefResponse> response,
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int64& response_length,
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CefString& redirectUrl) OVERRIDE {
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response_length = size_;
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response->SetMimeType(GetMimeType(path_));
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response->SetStatus(200);
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}
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virtual bool ReadResponse(void* data_out,
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int bytes_to_read,
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int& bytes_read,
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CefRefPtr<CefCallback> callback)
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OVERRIDE {
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bytes_read = reader_->Read(data_out, 1, bytes_to_read);
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return (bytes_read > 0);
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}
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virtual void Cancel() OVERRIDE {
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}
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private:
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std::string path_;
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CefRefPtr<CefStreamReader> reader_;
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int size_;
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IMPLEMENT_REFCOUNTING(DevToolSSchemeHandler);
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};
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class DevToolsSchemeHandlerFactory : public CefSchemeHandlerFactory {
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public:
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DevToolsSchemeHandlerFactory() {}
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virtual CefRefPtr<CefResourceHandler> Create(
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CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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const CefString& scheme_name,
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CefRefPtr<CefRequest> request) OVERRIDE {
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std::string url = PathWithoutParams(request->GetURL());
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const char* path = &url.c_str()[strlen(kChromeDevToolsURL)];
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int size = -1;
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CefRefPtr<CefStreamReader> reader = GetStreamReader(path, size);
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if (!reader.get())
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return NULL;
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return new DevToolsSchemeHandler(path, reader, size);
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}
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CefRefPtr<CefStreamReader> GetStreamReader(const char* path, int& size) {
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// Create a stream for the grit resource.
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for (size_t i = 0; i < kDevtoolsResourcesSize; ++i) {
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if (base::strcasecmp(kDevtoolsResources[i].name, path) == 0) {
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base::StringPiece piece =
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content::GetContentClient()->GetDataResource(
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kDevtoolsResources[i].value, ui::SCALE_FACTOR_NONE);
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if (!piece.empty()) {
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size = piece.size();
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return CefStreamReader::CreateForData(const_cast<char*>(piece.data()),
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size);
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}
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}
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}
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NOTREACHED() << "Missing DevTools resource: " << path;
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return NULL;
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}
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IMPLEMENT_REFCOUNTING(DevToolSSchemeHandlerFactory);
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};
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} // namespace
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// Register the DevTools scheme handler.
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void RegisterDevToolsSchemeHandler() {
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CefRegisterSchemeHandlerFactory(kChromeDevToolsScheme, kChromeDevToolsHost,
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new DevToolsSchemeHandlerFactory());
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}
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