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https://bitbucket.org/chromiumembedded/cef
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129 lines
4.3 KiB
C++
129 lines
4.3 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_
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#define CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_
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#pragma once
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#include <stdint.h>
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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#include "include/cef_browser.h"
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#include "include/cef_client.h"
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#include "libcef/common/tracker.h"
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#include "libcef/renderer/frame_impl.h"
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#include "content/public/renderer/render_view_observer.h"
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namespace blink {
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class WebFrame;
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class WebNode;
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} // namespace blink
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// Renderer plumbing for CEF features. There is a one-to-one relationship
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// between RenderView on the renderer side and RenderViewHost on the browser
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// side.
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//
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// RenderViewObserver: Interface for observing RenderView notifications.
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class CefBrowserImpl : public CefBrowser, public content::RenderViewObserver {
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public:
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// Returns the browser associated with the specified RenderView.
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static CefRefPtr<CefBrowserImpl> GetBrowserForView(content::RenderView* view);
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// Returns the browser associated with the specified main WebFrame.
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static CefRefPtr<CefBrowserImpl> GetBrowserForMainFrame(
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blink::WebFrame* frame);
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// CefBrowser methods.
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CefRefPtr<CefBrowserHost> GetHost() override;
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bool CanGoBack() override;
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void GoBack() override;
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bool CanGoForward() override;
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void GoForward() override;
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bool IsLoading() override;
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void Reload() override;
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void ReloadIgnoreCache() override;
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void StopLoad() override;
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int GetIdentifier() override;
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bool IsSame(CefRefPtr<CefBrowser> that) override;
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bool IsPopup() override;
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bool HasDocument() override;
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CefRefPtr<CefFrame> GetMainFrame() override;
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CefRefPtr<CefFrame> GetFocusedFrame() override;
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CefRefPtr<CefFrame> GetFrame(int64 identifier) override;
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CefRefPtr<CefFrame> GetFrame(const CefString& name) override;
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size_t GetFrameCount() override;
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void GetFrameIdentifiers(std::vector<int64>& identifiers) override;
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void GetFrameNames(std::vector<CefString>& names) override;
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CefBrowserImpl(content::RenderView* render_view,
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int browser_id,
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bool is_popup,
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bool is_windowless);
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~CefBrowserImpl() override;
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// Returns the matching CefFrameImpl reference or creates a new one.
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CefRefPtr<CefFrameImpl> GetWebFrameImpl(blink::WebLocalFrame* frame);
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CefRefPtr<CefFrameImpl> GetWebFrameImpl(int64_t frame_id);
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// Frame objects will be deleted immediately before the frame is closed.
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void AddFrameObject(int64_t frame_id, CefTrackNode* tracked_object);
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int browser_id() const { return browser_id_; }
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bool is_popup() const { return is_popup_; }
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bool is_windowless() const { return is_windowless_; }
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content::RenderView* render_view() const {
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return content::RenderViewObserver::render_view();
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}
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// RenderViewObserver methods.
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void OnDestruct() override;
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void FrameDetached(int64_t frame_id);
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void OnLoadingStateChange(bool isLoading);
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private:
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// ID of the browser that this RenderView is associated with. During loading
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// of cross-origin requests multiple RenderViews may be associated with the
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// same browser ID.
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int browser_id_;
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bool is_popup_;
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bool is_windowless_;
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// Map of unique frame ids to CefFrameImpl references.
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typedef std::map<int64, CefRefPtr<CefFrameImpl>> FrameMap;
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FrameMap frames_;
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// Map of unique frame ids to CefTrackManager objects that need to be cleaned
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// up when the frame is deleted.
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typedef std::map<int64, CefRefPtr<CefTrackManager>> FrameObjectMap;
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FrameObjectMap frame_objects_;
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struct LoadingState {
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LoadingState(bool is_loading, bool can_go_back, bool can_go_forward)
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: is_loading_(is_loading),
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can_go_back_(can_go_back),
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can_go_forward_(can_go_forward) {}
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bool IsMatch(bool is_loading, bool can_go_back, bool can_go_forward) const {
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return is_loading_ == is_loading && can_go_back_ == can_go_back &&
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can_go_forward_ == can_go_forward;
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}
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bool is_loading_;
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bool can_go_back_;
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bool can_go_forward_;
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};
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std::unique_ptr<LoadingState> last_loading_state_;
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IMPLEMENT_REFCOUNTING(CefBrowserImpl);
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DISALLOW_COPY_AND_ASSIGN(CefBrowserImpl);
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};
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#endif // CEF_LIBCEF_RENDERER_BROWSER_IMPL_H_
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