122 lines
3.9 KiB
C++
122 lines
3.9 KiB
C++
// Copyright (c) 2020 Samuel Maddock <sam@samuelmaddock.com>.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef SHELL_BROWSER_API_ELECTRON_API_WEB_FRAME_MAIN_H_
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#define SHELL_BROWSER_API_ELECTRON_API_WEB_FRAME_MAIN_H_
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#include <string>
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#include <vector>
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#include "base/memory/weak_ptr.h"
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#include "base/process/process.h"
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#include "gin/handle.h"
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#include "gin/wrappable.h"
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#include "mojo/public/cpp/bindings/remote.h"
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#include "shell/common/gin_helper/constructible.h"
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#include "shell/common/gin_helper/pinnable.h"
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#include "third_party/blink/public/mojom/page/page_visibility_state.mojom-forward.h"
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class GURL;
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namespace content {
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class RenderFrameHost;
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}
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namespace gin {
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class Arguments;
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}
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namespace electron {
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namespace api {
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// Bindings for accessing frames from the main process.
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class WebFrameMain : public gin::Wrappable<WebFrameMain>,
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public gin_helper::Pinnable<WebFrameMain>,
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public gin_helper::Constructible<WebFrameMain> {
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public:
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// Create a new WebFrameMain and return the V8 wrapper of it.
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static gin::Handle<WebFrameMain> New(v8::Isolate* isolate);
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static gin::Handle<WebFrameMain> FromID(v8::Isolate* isolate,
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int render_process_id,
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int render_frame_id);
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static gin::Handle<WebFrameMain> From(
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v8::Isolate* isolate,
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content::RenderFrameHost* render_frame_host);
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// Called to mark any RenderFrameHost as disposed by any WebFrameMain that
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// may be holding a weak reference.
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static void RenderFrameDeleted(content::RenderFrameHost* rfh);
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static void RenderFrameCreated(content::RenderFrameHost* rfh);
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// Mark RenderFrameHost as disposed and to no longer access it. This can
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// occur upon frame navigation.
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void MarkRenderFrameDisposed();
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const mojo::Remote<mojom::ElectronRenderer>& GetRendererApi();
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// gin::Wrappable
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static gin::WrapperInfo kWrapperInfo;
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static v8::Local<v8::ObjectTemplate> FillObjectTemplate(
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v8::Isolate*,
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v8::Local<v8::ObjectTemplate>);
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const char* GetTypeName() override;
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protected:
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explicit WebFrameMain(content::RenderFrameHost* render_frame);
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~WebFrameMain() override;
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private:
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// WebFrameMain can outlive its RenderFrameHost pointer so we need to check
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// whether its been disposed of prior to accessing it.
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bool CheckRenderFrame() const;
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void Connect();
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v8::Local<v8::Promise> ExecuteJavaScript(gin::Arguments* args,
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const std::u16string& code);
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bool Reload();
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void Send(v8::Isolate* isolate,
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bool internal,
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const std::string& channel,
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v8::Local<v8::Value> args);
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void PostMessage(v8::Isolate* isolate,
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const std::string& channel,
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v8::Local<v8::Value> message_value,
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absl::optional<v8::Local<v8::Value>> transfer);
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int FrameTreeNodeID() const;
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std::string Name() const;
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base::ProcessId OSProcessID() const;
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int ProcessID() const;
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int RoutingID() const;
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GURL URL() const;
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blink::mojom::PageVisibilityState VisibilityState() const;
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content::RenderFrameHost* Top() const;
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content::RenderFrameHost* Parent() const;
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std::vector<content::RenderFrameHost*> Frames() const;
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std::vector<content::RenderFrameHost*> FramesInSubtree() const;
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void OnRendererConnectionError();
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mojo::Remote<mojom::ElectronRenderer> renderer_api_;
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mojo::PendingReceiver<mojom::ElectronRenderer> pending_receiver_;
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content::RenderFrameHost* render_frame_ = nullptr;
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// Whether the RenderFrameHost has been removed and that it should no longer
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// be accessed.
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bool render_frame_disposed_ = false;
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base::WeakPtrFactory<WebFrameMain> weak_factory_{this};
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DISALLOW_COPY_AND_ASSIGN(WebFrameMain);
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};
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} // namespace api
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} // namespace electron
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#endif // SHELL_BROWSER_API_ELECTRON_API_WEB_FRAME_MAIN_H_
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