cef/libcef/renderer/blink_glue.h

143 lines
4.5 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_BLINK_GLUE_H_
#define CEF_LIBCEF_RENDERER_BLINK_GLUE_H_
#include <stdint.h>
#include <memory>
#include <string>
#include "include/internal/cef_types.h"
#include "third_party/blink/public/mojom/frame/lifecycle.mojom-blink-forward.h"
#include "third_party/blink/public/platform/web_common.h"
#include "v8/include/v8.h"
namespace blink {
class WebElement;
class WebLocalFrame;
class WebNode;
class WebString;
class WebURLRequest;
class WebURLResponse;
class WebView;
namespace scheduler {
class WebResourceLoadingTaskRunnerHandle;
}
} // namespace blink
namespace blink_glue {
BLINK_EXPORT extern const int64_t kInvalidFrameId;
BLINK_EXPORT bool CanGoBack(blink::WebView* view);
BLINK_EXPORT bool CanGoForward(blink::WebView* view);
BLINK_EXPORT void GoBack(blink::WebView* view);
BLINK_EXPORT void GoForward(blink::WebView* view);
BLINK_EXPORT bool IsInBackForwardCache(blink::WebLocalFrame* frame);
// Returns the text of the document element.
BLINK_EXPORT blink::WebString DumpDocumentText(blink::WebLocalFrame* frame);
// Returns the markup of the document element.
BLINK_EXPORT blink::WebString DumpDocumentMarkup(blink::WebLocalFrame* frame);
// Expose additional actions on WebNode.
BLINK_EXPORT cef_dom_node_type_t GetNodeType(const blink::WebNode& node);
BLINK_EXPORT blink::WebString GetNodeName(const blink::WebNode& node);
BLINK_EXPORT blink::WebString CreateNodeMarkup(const blink::WebNode& node);
BLINK_EXPORT bool SetNodeValue(blink::WebNode& node,
const blink::WebString& value);
BLINK_EXPORT bool IsTextControlElement(const blink::WebElement& element);
BLINK_EXPORT v8::MaybeLocal<v8::Value> CallV8Function(
v8::Local<v8::Context> context,
v8::Local<v8::Function> function,
v8::Local<v8::Object> receiver,
int argc,
v8::Local<v8::Value> args[],
v8::Isolate* isolate);
BLINK_EXPORT v8::Local<v8::Value> ExecuteV8ScriptAndReturnValue(
const blink::WebString& source,
const blink::WebString& source_url,
int start_line,
v8::Local<v8::Context> context,
v8::TryCatch& tryCatch);
BLINK_EXPORT v8::MicrotaskQueue* GetMicrotaskQueue(
v8::Local<v8::Context> context);
BLINK_EXPORT bool IsScriptForbidden();
class BLINK_EXPORT CefObserverRegistration {
public:
CefObserverRegistration() = default;
CefObserverRegistration(const CefObserverRegistration&) = delete;
CefObserverRegistration& operator=(const CefObserverRegistration&) = delete;
virtual ~CefObserverRegistration() = default;
};
class BLINK_EXPORT CefExecutionContextLifecycleStateObserver {
public:
virtual void ContextLifecycleStateChanged(
blink::mojom::blink::FrameLifecycleState state) {}
protected:
virtual ~CefExecutionContextLifecycleStateObserver() = default;
};
// Register an ExecutionContextLifecycleStateObserver. Remains registered until
// the returned object is destroyed.
BLINK_EXPORT std::unique_ptr<CefObserverRegistration>
RegisterExecutionContextLifecycleStateObserver(
v8::Local<v8::Context> context,
CefExecutionContextLifecycleStateObserver* observer);
BLINK_EXPORT void RegisterURLSchemeAsSupportingFetchAPI(
const blink::WebString& scheme);
// Wrapper for blink::ScriptForbiddenScope.
class BLINK_EXPORT CefScriptForbiddenScope final {
public:
CefScriptForbiddenScope();
CefScriptForbiddenScope(const CefScriptForbiddenScope&) = delete;
CefScriptForbiddenScope& operator=(const CefScriptForbiddenScope&) = delete;
~CefScriptForbiddenScope();
private:
struct Impl;
std::unique_ptr<Impl> impl_;
};
BLINK_EXPORT bool ResponseWasCached(const blink::WebURLResponse& response);
// Returns true if the frame owner is a plugin.
BLINK_EXPORT bool HasPluginFrameOwner(blink::WebLocalFrame* frame);
BLINK_EXPORT void StartNavigation(blink::WebLocalFrame* frame,
const blink::WebURLRequest& request);
// Used by CefFrameImpl::CreateURLLoader.
BLINK_EXPORT
std::unique_ptr<blink::scheduler::WebResourceLoadingTaskRunnerHandle>
CreateResourceLoadingTaskRunnerHandle(blink::WebLocalFrame* frame);
BLINK_EXPORT
std::unique_ptr<blink::scheduler::WebResourceLoadingTaskRunnerHandle>
CreateResourceLoadingMaybeUnfreezableTaskRunnerHandle(
blink::WebLocalFrame* frame);
} // namespace blink_glue
#endif // CEF_LIBCEF_RENDERER_BLINK_GLUE_H_