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39aed35644
This change allows the client to directly send and receive DevTools protocol messages (send method calls, and receive method results and events) without requiring a DevTools front-end or remote-debugging session. This change includes additional supporting changes: - Add a new CefRequestHandler::OnDocumentAvailableInMainFrame callback (see issue #1454). - Add a CefParseJSON variant that accepts a UTF8-encoded buffer. - Add a `--devtools-protocol-log-file=<path>` command-line flag for logging protocol messages sent to/from the DevTools front-end while it is displayed. This is useful for understanding existing DevTools protocol usage. - Add a new "libcef_static_unittests" executable target to support light-weight unit tests of libcef_static internals (e.g. without requiring exposure via the CEF API). Files to be unittested are placed in the new "libcef_static_unittested" source_set which is then included by both the existing libcef_static library and the new unittests executable target. - Linux: Remove use_bundled_fontconfig=false, which is no longer required and causes unittest build errors (see issue #2424). This change also adds a cefclient demo for configuring offline mode using the DevTools protocol (fixes issue #245). This is controlled by the "Offline mode" context menu option and the `--offline` command-line switch which will launch cefclient in offline mode. When cefclient is offline all network requests will fail with ERR_INTERNET_DISCONNECTED and navigator.onLine will return false when called from JavaScript in any frame. This mode is per-browser so newly created browser windows will have the default mode. Note that configuring offline mode in this way will not update the Network tab UI ("Throtting" option) in a displayed DevTools front-end instance.
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
// Copyright (c) 2020 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
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// can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
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#define CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
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#pragma once
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#include "include/cef_browser.h"
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#include "base/memory/weak_ptr.h"
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class CefBrowserHostImpl;
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class CefDevToolsController;
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class CefDevToolsFrontend;
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namespace content {
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class WebContents;
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}
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// Manages DevTools instances. Methods must be called on the UI thread unless
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// otherwise indicated.
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class CefDevToolsManager {
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public:
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// |inspected_browser| will outlive this object.
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explicit CefDevToolsManager(CefBrowserHostImpl* inspected_browser);
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~CefDevToolsManager();
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// See CefBrowserHost methods of the same name for documentation.
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void ShowDevTools(const CefWindowInfo& windowInfo,
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CefRefPtr<CefClient> client,
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const CefBrowserSettings& settings,
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const CefPoint& inspect_element_at);
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void CloseDevTools();
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bool HasDevTools();
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bool SendDevToolsMessage(const void* message, size_t message_size);
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int ExecuteDevToolsMethod(int message_id,
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const CefString& method,
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CefRefPtr<CefDictionaryValue> param);
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// These methods are used to implement
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// CefBrowserHost::AddDevToolsMessageObserver. CreateRegistration is safe to
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// call on any thread. InitializeRegistrationOnUIThread should be called
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// immediately afterwards on the UI thread.
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static CefRefPtr<CefRegistration> CreateRegistration(
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CefRefPtr<CefDevToolsMessageObserver> observer);
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void InitializeRegistrationOnUIThread(
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CefRefPtr<CefRegistration> registration);
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private:
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void OnFrontEndDestroyed();
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bool EnsureController();
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CefBrowserHostImpl* const inspected_browser_;
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// CefDevToolsFrontend will delete itself when the frontend WebContents is
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// destroyed.
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CefDevToolsFrontend* devtools_frontend_ = nullptr;
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// Used for sending DevTools protocol messages without an active frontend.
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std::unique_ptr<CefDevToolsController> devtools_controller_;
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base::WeakPtrFactory<CefDevToolsManager> weak_ptr_factory_;
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DISALLOW_COPY_AND_ASSIGN(CefDevToolsManager);
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};
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#endif // CEF_LIBCEF_BROWSER_DEVTOOLS_DEVTOOLS_MANAGER_H_
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