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- Allow empty |mimeType| argument to GetDownloadHandler (issue #405). git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/1364@1008 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
172 lines
7.9 KiB
C++
172 lines
7.9 KiB
C++
// Copyright (c) 2011 Marshall A. Greenblatt. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the name Chromium Embedded
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// Framework nor the names of its contributors may be used to endorse
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// or promote products derived from this software without specific prior
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// written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// ---------------------------------------------------------------------------
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//
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// The contents of this file must follow a specific format in order to
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// support the CEF translator tool. See the translator.README.txt file in the
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// tools directory for more information.
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//
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#ifndef CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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#define CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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#pragma once
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#include "include/cef_base.h"
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#include "include/cef_browser.h"
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#include "include/cef_cookie.h"
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#include "include/cef_download_handler.h"
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#include "include/cef_frame.h"
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#include "include/cef_content_filter.h"
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#include "include/cef_response.h"
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#include "include/cef_request.h"
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#include "include/cef_stream.h"
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///
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// Implement this interface to handle events related to browser requests. The
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// methods of this class will be called on the thread indicated.
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///
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/*--cef(source=client)--*/
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class CefRequestHandler : public virtual CefBase {
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public:
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typedef cef_handler_navtype_t NavType;
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///
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// Called on the UI thread before browser navigation. Return true to cancel
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// the navigation or false to allow the navigation to proceed.
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///
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/*--cef()--*/
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virtual bool OnBeforeBrowse(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefFrame> frame,
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CefRefPtr<CefRequest> request,
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NavType navType,
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bool isRedirect) { return false; }
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///
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// Called on the IO thread before a resource is loaded. To allow the resource
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// to load normally return false. To redirect the resource to a new url
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// populate the |redirectUrl| value and return false. To specify data for the
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// resource return a CefStream object in |resourceStream|, use the |response|
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// object to set mime type, HTTP status code and optional header values, and
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// return false. To cancel loading of the resource return true. Any
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// modifications to |request| will be observed. If the URL in |request| is
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// changed and |redirectUrl| is also set, the URL in |request| will be used.
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///
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/*--cef()--*/
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virtual bool OnBeforeResourceLoad(CefRefPtr<CefBrowser> browser,
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CefRefPtr<CefRequest> request,
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CefString& redirectUrl,
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CefRefPtr<CefStreamReader>& resourceStream,
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CefRefPtr<CefResponse> response,
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int loadFlags) { return false; }
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///
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// Called on the IO thread when a resource load is redirected. The |old_url|
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// parameter will contain the old URL. The |new_url| parameter will contain
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// the new URL and can be changed if desired.
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///
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/*--cef()--*/
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virtual void OnResourceRedirect(CefRefPtr<CefBrowser> browser,
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const CefString& old_url,
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CefString& new_url) {}
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///
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// Called on the UI thread after a response to the resource request is
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// received. Set |filter| if response content needs to be monitored and/or
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// modified as it arrives.
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///
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/*--cef()--*/
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virtual void OnResourceResponse(CefRefPtr<CefBrowser> browser,
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const CefString& url,
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CefRefPtr<CefResponse> response,
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CefRefPtr<CefContentFilter>& filter) {}
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///
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// Called on the IO thread to handle requests for URLs with an unknown
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// protocol component. Return true to indicate that the request should
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// succeed because it was handled externally. Set |allowOSExecution| to true
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// and return false to attempt execution via the registered OS protocol
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// handler, if any. If false is returned and either |allow_os_execution|
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// is false or OS protocol handler execution fails then the request will fail
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// with an error condition.
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// SECURITY WARNING: YOU SHOULD USE THIS METHOD TO ENFORCE RESTRICTIONS BASED
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// ON SCHEME, HOST OR OTHER URL ANALYSIS BEFORE ALLOWING OS EXECUTION.
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///
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/*--cef()--*/
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virtual bool OnProtocolExecution(CefRefPtr<CefBrowser> browser,
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const CefString& url,
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bool& allowOSExecution) { return false; }
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///
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// Called on the UI thread when a server indicates via the
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// 'Content-Disposition' header that a response represents a file to download.
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// |mimeType| is the mime type for the download, |fileName| is the suggested
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// target file name and |contentLength| is either the value of the
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// 'Content-Size' header or -1 if no size was provided. Set |handler| to the
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// CefDownloadHandler instance that will recieve the file contents. Return
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// true to download the file or false to cancel the file download.
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///
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/*--cef(optional_param=mimeType)--*/
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virtual bool GetDownloadHandler(CefRefPtr<CefBrowser> browser,
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const CefString& mimeType,
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const CefString& fileName,
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int64 contentLength,
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CefRefPtr<CefDownloadHandler>& handler)
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{ return false; }
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///
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// Called on the IO thread when the browser needs credentials from the user.
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// |isProxy| indicates whether the host is a proxy server. |host| contains the
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// hostname and port number. Set |username| and |password| and return
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// true to handle the request. Return false to cancel the request.
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///
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/*--cef(optional_param=realm)--*/
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virtual bool GetAuthCredentials(CefRefPtr<CefBrowser> browser,
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bool isProxy,
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const CefString& host,
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int port,
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const CefString& realm,
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const CefString& scheme,
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CefString& username,
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CefString& password) { return false; }
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///
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// Called on the IO thread to retrieve the cookie manager. |main_url| is the
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// URL of the top-level frame. Cookies managers can be unique per browser or
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// shared across multiple browsers. The global cookie manager will be used if
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// this method returns NULL.
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///
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/*--cef()--*/
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virtual CefRefPtr<CefCookieManager> GetCookieManager(
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CefRefPtr<CefBrowser> browser,
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const CefString& main_url) { return NULL; }
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};
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#endif // CEF_INCLUDE_CEF_REQUEST_HANDLER_H_
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