cef/include/cef_request_context.h

371 lines
16 KiB
C++

// Copyright (c) 2013 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_CEF_REQUEST_CONTEXT_H_
#define CEF_INCLUDE_CEF_REQUEST_CONTEXT_H_
#pragma once
#include <vector>
#include "include/cef_callback.h"
#include "include/cef_cookie.h"
#include "include/cef_extension.h"
#include "include/cef_extension_handler.h"
#include "include/cef_media_router.h"
#include "include/cef_values.h"
class CefRequestContextHandler;
class CefSchemeHandlerFactory;
///
/// Callback interface for CefRequestContext::ResolveHost.
///
/*--cef(source=client)--*/
class CefResolveCallback : public virtual CefBaseRefCounted {
public:
///
/// Called on the UI thread after the ResolveHost request has completed.
/// |result| will be the result code. |resolved_ips| will be the list of
/// resolved IP addresses or empty if the resolution failed.
///
/*--cef(optional_param=resolved_ips)--*/
virtual void OnResolveCompleted(
cef_errorcode_t result,
const std::vector<CefString>& resolved_ips) = 0;
};
///
/// A request context provides request handling for a set of related browser
/// or URL request objects. A request context can be specified when creating a
/// new browser via the CefBrowserHost static factory methods or when creating a
/// new URL request via the CefURLRequest static factory methods. Browser
/// objects with different request contexts will never be hosted in the same
/// render process. Browser objects with the same request context may or may not
/// be hosted in the same render process depending on the process model. Browser
/// objects created indirectly via the JavaScript window.open function or
/// targeted links will share the same render process and the same request
/// context as the source browser. When running in single-process mode there is
/// only a single render process (the main process) and so all browsers created
/// in single-process mode will share the same request context. This will be the
/// first request context passed into a CefBrowserHost static factory method and
/// all other request context objects will be ignored.
///
/*--cef(source=library,no_debugct_check)--*/
class CefRequestContext : public virtual CefBaseRefCounted {
public:
///
/// Returns the global context object.
///
/*--cef()--*/
static CefRefPtr<CefRequestContext> GetGlobalContext();
///
/// Creates a new context object with the specified |settings| and optional
/// |handler|.
///
/*--cef(optional_param=handler)--*/
static CefRefPtr<CefRequestContext> CreateContext(
const CefRequestContextSettings& settings,
CefRefPtr<CefRequestContextHandler> handler);
///
/// Creates a new context object that shares storage with |other| and uses an
/// optional |handler|.
///
/*--cef(capi_name=cef_create_context_shared,optional_param=handler)--*/
static CefRefPtr<CefRequestContext> CreateContext(
CefRefPtr<CefRequestContext> other,
CefRefPtr<CefRequestContextHandler> handler);
///
/// Returns true if this object is pointing to the same context as |that|
/// object.
///
/*--cef()--*/
virtual bool IsSame(CefRefPtr<CefRequestContext> other) = 0;
///
/// Returns true if this object is sharing the same storage as |that| object.
///
/*--cef()--*/
virtual bool IsSharingWith(CefRefPtr<CefRequestContext> other) = 0;
///
/// Returns true if this object is the global context. The global context is
/// used by default when creating a browser or URL request with a NULL context
/// argument.
///
/*--cef()--*/
virtual bool IsGlobal() = 0;
///
/// Returns the handler for this context if any.
///
/*--cef()--*/
virtual CefRefPtr<CefRequestContextHandler> GetHandler() = 0;
///
/// Returns the cache path for this object. If empty an "incognito mode"
/// in-memory cache is being used.
///
/*--cef()--*/
virtual CefString GetCachePath() = 0;
///
/// Returns the cookie manager for this object. If |callback| is non-NULL it
/// will be executed asnychronously on the UI thread after the manager's
/// storage has been initialized.
///
/*--cef(optional_param=callback)--*/
virtual CefRefPtr<CefCookieManager> GetCookieManager(
CefRefPtr<CefCompletionCallback> callback) = 0;
///
/// Register a scheme handler factory for the specified |scheme_name| and
/// optional |domain_name|. An empty |domain_name| value for a standard scheme
/// will cause the factory to match all domain names. The |domain_name| value
/// will be ignored for non-standard schemes. If |scheme_name| is a built-in
/// scheme and no handler is returned by |factory| then the built-in scheme
/// handler factory will be called. If |scheme_name| is a custom scheme then
/// you must also implement the CefApp::OnRegisterCustomSchemes() method in
/// all processes. This function may be called multiple times to change or
/// remove the factory that matches the specified |scheme_name| and optional
/// |domain_name|. Returns false if an error occurs. This function may be
/// called on any thread in the browser process.
///
/*--cef(optional_param=domain_name,optional_param=factory)--*/
virtual bool RegisterSchemeHandlerFactory(
const CefString& scheme_name,
const CefString& domain_name,
CefRefPtr<CefSchemeHandlerFactory> factory) = 0;
///
/// Clear all registered scheme handler factories. Returns false on error.
/// This function may be called on any thread in the browser process.
///
/*--cef()--*/
virtual bool ClearSchemeHandlerFactories() = 0;
///
/// Returns true if a preference with the specified |name| exists. This method
/// must be called on the browser process UI thread.
///
/*--cef()--*/
virtual bool HasPreference(const CefString& name) = 0;
///
/// Returns the value for the preference with the specified |name|. Returns
/// NULL if the preference does not exist. The returned object contains a copy
/// of the underlying preference value and modifications to the returned
/// object will not modify the underlying preference value. This method must
/// be called on the browser process UI thread.
///
/*--cef()--*/
virtual CefRefPtr<CefValue> GetPreference(const CefString& name) = 0;
///
/// Returns all preferences as a dictionary. If |include_defaults| is true
/// then preferences currently at their default value will be included. The
/// returned object contains a copy of the underlying preference values and
/// modifications to the returned object will not modify the underlying
/// preference values. This method must be called on the browser process UI
/// thread.
///
/*--cef()--*/
virtual CefRefPtr<CefDictionaryValue> GetAllPreferences(
bool include_defaults) = 0;
///
/// Returns true if the preference with the specified |name| can be modified
/// using SetPreference. As one example preferences set via the command-line
/// usually cannot be modified. This method must be called on the browser
/// process UI thread.
///
/*--cef()--*/
virtual bool CanSetPreference(const CefString& name) = 0;
///
/// Set the |value| associated with preference |name|. Returns true if the
/// value is set successfully and false otherwise. If |value| is NULL the
/// preference will be restored to its default value. If setting the
/// preference fails then |error| will be populated with a detailed
/// description of the problem. This method must be called on the browser
/// process UI thread.
///
/*--cef(optional_param=value)--*/
virtual bool SetPreference(const CefString& name,
CefRefPtr<CefValue> value,
CefString& error) = 0;
///
/// Clears all certificate exceptions that were added as part of handling
/// CefRequestHandler::OnCertificateError(). If you call this it is
/// recommended that you also call CloseAllConnections() or you risk not
/// being prompted again for server certificates if you reconnect quickly.
/// If |callback| is non-NULL it will be executed on the UI thread after
/// completion.
///
/*--cef(optional_param=callback)--*/
virtual void ClearCertificateExceptions(
CefRefPtr<CefCompletionCallback> callback) = 0;
///
/// Clears all HTTP authentication credentials that were added as part of
/// handling GetAuthCredentials. If |callback| is non-NULL it will be executed
/// on the UI thread after completion.
///
/*--cef(optional_param=callback)--*/
virtual void ClearHttpAuthCredentials(
CefRefPtr<CefCompletionCallback> callback) = 0;
///
/// Clears all active and idle connections that Chromium currently has.
/// This is only recommended if you have released all other CEF objects but
/// don't yet want to call CefShutdown(). If |callback| is non-NULL it will be
/// executed on the UI thread after completion.
///
/*--cef(optional_param=callback)--*/
virtual void CloseAllConnections(
CefRefPtr<CefCompletionCallback> callback) = 0;
///
/// Attempts to resolve |origin| to a list of associated IP addresses.
/// |callback| will be executed on the UI thread after completion.
///
/*--cef()--*/
virtual void ResolveHost(const CefString& origin,
CefRefPtr<CefResolveCallback> callback) = 0;
///
/// Load an extension.
///
/// If extension resources will be read from disk using the default load
/// implementation then |root_directory| should be the absolute path to the
/// extension resources directory and |manifest| should be NULL. If extension
/// resources will be provided by the client (e.g. via CefRequestHandler
/// and/or CefExtensionHandler) then |root_directory| should be a path
/// component unique to the extension (if not absolute this will be internally
/// prefixed with the PK_DIR_RESOURCES path) and |manifest| should contain the
/// contents that would otherwise be read from the "manifest.json" file on
/// disk.
///
/// The loaded extension will be accessible in all contexts sharing the same
/// storage (HasExtension returns true). However, only the context on which
/// this method was called is considered the loader (DidLoadExtension returns
/// true) and only the loader will receive CefRequestContextHandler callbacks
/// for the extension.
///
/// CefExtensionHandler::OnExtensionLoaded will be called on load success or
/// CefExtensionHandler::OnExtensionLoadFailed will be called on load failure.
///
/// If the extension specifies a background script via the "background"
/// manifest key then CefExtensionHandler::OnBeforeBackgroundBrowser will be
/// called to create the background browser. See that method for additional
/// information about background scripts.
///
/// For visible extension views the client application should evaluate the
/// manifest to determine the correct extension URL to load and then pass that
/// URL to the CefBrowserHost::CreateBrowser* function after the extension has
/// loaded. For example, the client can look for the "browser_action" manifest
/// key as documented at
/// https://developer.chrome.com/extensions/browserAction. Extension URLs take
/// the form "chrome-extension://<extension_id>/<path>".
///
/// Browsers that host extensions differ from normal browsers as follows:
/// - Can access chrome.* JavaScript APIs if allowed by the manifest. Visit
/// chrome://extensions-support for the list of extension APIs currently
/// supported by CEF.
/// - Main frame navigation to non-extension content is blocked.
/// - Pinch-zooming is disabled.
/// - CefBrowserHost::GetExtension returns the hosted extension.
/// - CefBrowserHost::IsBackgroundHost returns true for background hosts.
///
/// See https://developer.chrome.com/extensions for extension implementation
/// and usage documentation.
///
/*--cef(optional_param=manifest,optional_param=handler)--*/
virtual void LoadExtension(const CefString& root_directory,
CefRefPtr<CefDictionaryValue> manifest,
CefRefPtr<CefExtensionHandler> handler) = 0;
///
/// Returns true if this context was used to load the extension identified by
/// |extension_id|. Other contexts sharing the same storage will also have
/// access to the extension (see HasExtension). This method must be called on
/// the browser process UI thread.
///
/*--cef()--*/
virtual bool DidLoadExtension(const CefString& extension_id) = 0;
///
/// Returns true if this context has access to the extension identified by
/// |extension_id|. This may not be the context that was used to load the
/// extension (see DidLoadExtension). This method must be called on the
/// browser process UI thread.
///
/*--cef()--*/
virtual bool HasExtension(const CefString& extension_id) = 0;
///
/// Retrieve the list of all extensions that this context has access to (see
/// HasExtension). |extension_ids| will be populated with the list of
/// extension ID values. Returns true on success. This method must be called
/// on the browser process UI thread.
///
/*--cef()--*/
virtual bool GetExtensions(std::vector<CefString>& extension_ids) = 0;
///
/// Returns the extension matching |extension_id| or NULL if no matching
/// extension is accessible in this context (see HasExtension). This method
/// must be called on the browser process UI thread.
///
/*--cef()--*/
virtual CefRefPtr<CefExtension> GetExtension(
const CefString& extension_id) = 0;
///
/// Returns the MediaRouter object associated with this context. If
/// |callback| is non-NULL it will be executed asnychronously on the UI thread
/// after the manager's context has been initialized.
///
/*--cef(optional_param=callback)--*/
virtual CefRefPtr<CefMediaRouter> GetMediaRouter(
CefRefPtr<CefCompletionCallback> callback) = 0;
};
#endif // CEF_INCLUDE_CEF_REQUEST_CONTEXT_H_