cef/libcef/renderer/browser_impl.h

160 lines
5.8 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_
#define CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_
#pragma once
#include <stdint.h>
#include <map>
#include <string>
#include <vector>
#include "include/cef_browser.h"
#include "include/cef_client.h"
#include "libcef/common/tracker.h"
#include "libcef/renderer/frame_impl.h"
#include "content/public/renderer/render_view_observer.h"
class GURL;
struct CefMsg_LoadRequest_Params;
struct Cef_Request_Params;
struct Cef_Response_Params;
class CefContentRendererClient;
class CefResponseManager;
namespace base {
class ListValue;
}
namespace blink {
class WebFrame;
class WebNode;
} // namespace blink
// Renderer plumbing for CEF features. There is a one-to-one relationship
// between RenderView on the renderer side and RenderViewHost on the browser
// side.
//
// RenderViewObserver: Interface for observing RenderView notifications and IPC
// messages. IPC messages received by the RenderView will be forwarded to this
// RenderViewObserver implementation. IPC messages sent using
// RenderViewObserver::Send() will be forwarded to the RenderView. Use
// RenderViewObserver::routing_id() when sending IPC messages.
class CefBrowserImpl : public CefBrowser, public content::RenderViewObserver {
public:
// Returns the browser associated with the specified RenderView.
static CefRefPtr<CefBrowserImpl> GetBrowserForView(content::RenderView* view);
// Returns the browser associated with the specified main WebFrame.
static CefRefPtr<CefBrowserImpl> GetBrowserForMainFrame(
blink::WebFrame* frame);
// CefBrowser methods.
CefRefPtr<CefBrowserHost> GetHost() override;
bool CanGoBack() override;
void GoBack() override;
bool CanGoForward() override;
void GoForward() override;
bool IsLoading() override;
void Reload() override;
void ReloadIgnoreCache() override;
void StopLoad() override;
int GetIdentifier() override;
bool IsSame(CefRefPtr<CefBrowser> that) override;
bool IsPopup() override;
bool HasDocument() override;
CefRefPtr<CefFrame> GetMainFrame() override;
CefRefPtr<CefFrame> GetFocusedFrame() override;
CefRefPtr<CefFrame> GetFrame(int64 identifier) override;
CefRefPtr<CefFrame> GetFrame(const CefString& name) override;
size_t GetFrameCount() override;
void GetFrameIdentifiers(std::vector<int64>& identifiers) override;
void GetFrameNames(std::vector<CefString>& names) override;
bool SendProcessMessage(CefProcessId target_process,
CefRefPtr<CefProcessMessage> message) override;
CefBrowserImpl(content::RenderView* render_view,
int browser_id,
bool is_popup,
bool is_windowless);
~CefBrowserImpl() override;
void LoadRequest(const CefMsg_LoadRequest_Params& params);
// Avoids unnecessary string type conversions.
bool SendProcessMessage(CefProcessId target_process,
const std::string& name,
base::ListValue* arguments,
bool user_initiated);
// Returns the matching CefFrameImpl reference or creates a new one.
CefRefPtr<CefFrameImpl> GetWebFrameImpl(blink::WebLocalFrame* frame);
CefRefPtr<CefFrameImpl> GetWebFrameImpl(int64_t frame_id);
// Frame objects will be deleted immediately before the frame is closed.
void AddFrameObject(int64_t frame_id, CefTrackNode* tracked_object);
int browser_id() const { return browser_id_; }
bool is_popup() const { return is_popup_; }
bool is_windowless() const { return is_windowless_; }
content::RenderView* render_view() const {
return content::RenderViewObserver::render_view();
}
// RenderViewObserver methods.
void OnDestruct() override;
void DidFailProvisionalLoad(blink::WebLocalFrame* frame,
const blink::WebURLError& error) override;
void DidCommitProvisionalLoad(blink::WebLocalFrame* frame,
bool is_new_navigation) override;
bool OnMessageReceived(const IPC::Message& message) override;
// Forwarded from CefRenderFrameObserver.
void DidFinishLoad(blink::WebLocalFrame* frame);
void DidStartProvisionalLoad(blink::WebLocalFrame* frame);
void FrameDetached(blink::WebLocalFrame* frame);
void FocusedNodeChanged(const blink::WebNode& node);
void DraggableRegionsChanged(blink::WebLocalFrame* frame);
private:
// RenderViewObserver::OnMessageReceived message handlers.
void OnRequest(const Cef_Request_Params& params);
void OnResponse(const Cef_Response_Params& params);
void OnResponseAck(int request_id);
void OnDidStopLoading();
void OnLoadingStateChange(bool isLoading);
void OnLoadStart(blink::WebLocalFrame* frame);
void OnLoadEnd(blink::WebLocalFrame* frame);
void OnLoadError(blink::WebLocalFrame* frame,
const blink::WebURLError& error);
// ID of the browser that this RenderView is associated with. During loading
// of cross-origin requests multiple RenderViews may be associated with the
// same browser ID.
int browser_id_;
bool is_popup_;
bool is_windowless_;
// Map of unique frame ids to CefFrameImpl references.
typedef std::map<int64, CefRefPtr<CefFrameImpl>> FrameMap;
FrameMap frames_;
// Map of unique frame ids to CefTrackManager objects that need to be cleaned
// up when the frame is deleted.
typedef std::map<int64, CefRefPtr<CefTrackManager>> FrameObjectMap;
FrameObjectMap frame_objects_;
// Manages response registrations.
std::unique_ptr<CefResponseManager> response_manager_;
IMPLEMENT_REFCOUNTING(CefBrowserImpl);
DISALLOW_COPY_AND_ASSIGN(CefBrowserImpl);
};
#endif // CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_