134 lines
4.2 KiB
C++
134 lines
4.2 KiB
C++
// Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be 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_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 "libcef/browser_webkit_glue.h"
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#include "libcef/cef_context.h"
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#include "base/file_util.h"
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#include "base/string_util.h"
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#include "grit/devtools_resources_map.h"
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#include "net/base/mime_util.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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class DevToolsSchemeHandler : public CefSchemeHandler {
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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<CefSchemeHandlerCallback> callback)
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OVERRIDE {
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callback->HeadersAvailable();
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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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std::string mime_type = "text/plain";
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if (net::GetMimeTypeFromFile(FilePath(CefString(path_)), &mime_type))
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response->SetMimeType(mime_type);
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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<CefSchemeHandlerCallback> 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<CefSchemeHandler> Create(CefRefPtr<CefBrowser> browser,
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const CefString& scheme_name,
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CefRefPtr<CefRequest> request)
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OVERRIDE {
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// Remove the query component of the URL, if any.
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CefURLParts parts;
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CefParseURL(request->GetURL(), parts);
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cef_string_clear(&parts.spec);
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cef_string_clear(&parts.query);
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CefString urlStr;
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CefCreateURL(parts, urlStr);
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std::string url = urlStr;
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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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_Context->GetDataResource(kDevtoolsResources[i].value);
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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(bool firstTime) {
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if (firstTime)
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CefRegisterCustomScheme(kChromeDevToolsScheme, true, false, true);
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CefRegisterSchemeHandlerFactory(kChromeDevToolsScheme, kChromeDevToolsHost,
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new DevToolsSchemeHandlerFactory());
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}
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