cef/libcef/browser/frame_host_impl.h

190 lines
6.3 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework 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_BROWSER_FRAME_HOST_IMPL_H_
#define CEF_LIBCEF_BROWSER_FRAME_HOST_IMPL_H_
#pragma once
#include <memory>
#include <queue>
#include <string>
#include "include/cef_frame.h"
#include "libcef/common/response_manager.h"
#include "base/synchronization/lock.h"
#include "ui/base/page_transition_types.h"
namespace content {
class RenderFrameHost;
struct Referrer;
} // namespace content
namespace IPC {
class Message;
}
class GURL;
struct Cef_DraggableRegion_Params;
struct Cef_Request_Params;
struct Cef_Response_Params;
class CefBrowserInfo;
class CefBrowserHostImpl;
struct CefNavigateParams;
// Implementation of CefFrame. CefFrameHostImpl objects should always be created
// or retrieved via CefBrowerInfo.
class CefFrameHostImpl : public CefFrame {
public:
// Create a temporary frame.
CefFrameHostImpl(scoped_refptr<CefBrowserInfo> browser_info,
bool is_main_frame,
int64_t parent_frame_id);
// Create a frame backed by a RFH and owned by CefBrowserInfo.
CefFrameHostImpl(scoped_refptr<CefBrowserInfo> browser_info,
content::RenderFrameHost* render_frame_host);
// Update an existing main frame object.
void SetRenderFrameHost(content::RenderFrameHost* host);
~CefFrameHostImpl() override;
// CefFrame methods
bool IsValid() override;
void Undo() override;
void Redo() override;
void Cut() override;
void Copy() override;
void Paste() override;
void Delete() override;
void SelectAll() override;
void ViewSource() override;
void GetSource(CefRefPtr<CefStringVisitor> visitor) override;
void GetText(CefRefPtr<CefStringVisitor> visitor) override;
void LoadRequest(CefRefPtr<CefRequest> request) override;
void LoadURL(const CefString& url) override;
void ExecuteJavaScript(const CefString& jsCode,
const CefString& scriptUrl,
int startLine) override;
bool IsMain() override;
bool IsFocused() override;
CefString GetName() override;
int64 GetIdentifier() override;
CefRefPtr<CefFrame> GetParent() override;
CefString GetURL() override;
CefRefPtr<CefBrowser> GetBrowser() override;
CefRefPtr<CefV8Context> GetV8Context() override;
void VisitDOM(CefRefPtr<CefDOMVisitor> visitor) override;
CefRefPtr<CefURLRequest> CreateURLRequest(
CefRefPtr<CefRequest> request,
CefRefPtr<CefURLRequestClient> client) override;
void SendProcessMessage(CefProcessId target_process,
CefRefPtr<CefProcessMessage> message) override;
void SetFocused(bool focused);
void RefreshAttributes();
// Navigate as specified by the |params| argument.
void Navigate(const CefNavigateParams& params);
// Load the specified URL.
void LoadURLWithExtras(const std::string& url,
const content::Referrer& referrer,
ui::PageTransition transition,
const std::string& extra_headers);
// Send a command to the renderer for execution.
void SendCommand(const std::string& command,
CefRefPtr<CefResponseManager::Handler> responseHandler);
// Send code to the renderer for execution.
void SendCode(bool is_javascript,
const std::string& code,
const std::string& script_url,
int script_start_line,
CefRefPtr<CefResponseManager::Handler> responseHandler);
// Send JavaScript to the renderer for execution.
void SendJavaScript(const std::string& jsCode,
const std::string& scriptUrl,
int startLine);
// Called from CefBrowserHostImpl::DidStopLoading.
void MaybeSendDidStopLoading();
// Called from CefBrowserHostImpl::OnMessageReceived.
bool OnMessageReceived(const IPC::Message& message);
void ExecuteJavaScriptWithUserGestureForTests(const CefString& javascript);
// Returns the RFH associated with this frame. Must be called on the UI
// thread.
content::RenderFrameHost* GetRenderFrameHost() const;
// Owned frame objects will be detached explicitly when the associated
// RenderFrame is deleted. Temporary frame objects will be detached
// implicitly via CefBrowserInfo::browser() returning nullptr.
void Detach();
static int64_t MakeFrameId(const content::RenderFrameHost* host);
static int64_t MakeFrameId(int32_t render_process_id,
int32_t render_routing_id);
static const int64_t kMainFrameId;
static const int64_t kFocusedFrameId;
static const int64_t kUnspecifiedFrameId;
static const int64_t kInvalidFrameId;
// PageTransition type for explicit navigations. This must pass the check in
// ContentBrowserClient::IsExplicitNavigation for debug URLs (HandleDebugURL)
// to work as expected.
static const ui::PageTransition kPageTransitionExplicit;
private:
int64 GetFrameId() const;
CefRefPtr<CefBrowserHostImpl> GetBrowserHostImpl() const;
// OnMessageReceived message handlers.
void OnAttached();
void OnDidFinishLoad(const GURL& validated_url, int http_status_code);
void OnUpdateDraggableRegions(
const std::vector<Cef_DraggableRegion_Params>& regions);
void OnRequest(const Cef_Request_Params& params);
void OnResponse(const Cef_Response_Params& params);
void OnResponseAck(int request_id);
// Send a message to the RenderFrameHost associated with this frame.
void Send(IPC::Message* message);
const bool is_main_frame_;
// The following members may be read/modified from any thread. All access must
// be protected by |state_lock_|.
mutable base::Lock state_lock_;
int64 frame_id_;
scoped_refptr<CefBrowserInfo> browser_info_;
bool is_focused_;
CefString url_;
CefString name_;
int64 parent_frame_id_;
// The following members are only accessed on the UI thread.
content::RenderFrameHost* render_frame_host_ = nullptr;
bool is_attached_ = false;
// Qeueud messages to send when the renderer process attaches.
std::queue<std::unique_ptr<IPC::Message>> queued_messages_;
// Manages response registrations.
std::unique_ptr<CefResponseManager> response_manager_;
IMPLEMENT_REFCOUNTING(CefFrameHostImpl);
DISALLOW_COPY_AND_ASSIGN(CefFrameHostImpl);
};
#endif // CEF_LIBCEF_BROWSER_FRAME_HOST_IMPL_H_