95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
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// 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 <memory>
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#include <string>
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#include <vector>
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#include "gin/handle.h"
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#include "gin/wrappable.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 gin_helper {
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class Dictionary;
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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:
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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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// 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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// gin::Wrappable
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static gin::WrapperInfo kWrapperInfo;
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gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
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v8::Isolate* isolate) override;
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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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v8::Local<v8::Promise> ExecuteJavaScript(gin::Arguments* args,
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const base::string16& code);
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bool Reload(v8::Isolate* isolate);
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int FrameTreeNodeID(v8::Isolate* isolate) const;
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int ProcessID(v8::Isolate* isolate) const;
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int RoutingID(v8::Isolate* isolate) const;
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GURL URL(v8::Isolate* isolate) const;
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content::RenderFrameHost* Top(v8::Isolate* isolate) const;
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content::RenderFrameHost* Parent(v8::Isolate* isolate) const;
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std::vector<content::RenderFrameHost*> Frames(v8::Isolate* isolate) const;
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std::vector<content::RenderFrameHost*> FramesInSubtree(
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v8::Isolate* isolate) const;
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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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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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