14ed71fa1b
* fix: use render client id to track deleted render process hosts Instead of relying on OS process id, which may not be unique when a process is reused, we rely on the renderer client id passed by the content layer when starting the renderer process which is guaranteed to be unique for the lifetime of the app. * fix: store context id as int64_t Ensuring that it doesn't wrap easily with a large number of context creation on some malformed web pages.
66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
// Copyright (c) 2017 GitHub, Inc.
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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 ATOM_RENDERER_RENDERER_CLIENT_BASE_H_
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#define ATOM_RENDERER_RENDERER_CLIENT_BASE_H_
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#include <string>
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#include <vector>
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#include "chrome/renderer/media/chrome_key_systems_provider.h"
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#include "content/public/renderer/content_renderer_client.h"
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#include "third_party/WebKit/public/web/WebLocalFrame.h"
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namespace atom {
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class PreferencesManager;
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class RendererClientBase : public content::ContentRendererClient {
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public:
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RendererClientBase();
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~RendererClientBase() override;
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virtual void DidCreateScriptContext(v8::Handle<v8::Context> context,
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content::RenderFrame* render_frame);
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virtual void WillReleaseScriptContext(v8::Handle<v8::Context> context,
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content::RenderFrame* render_frame) = 0;
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virtual void DidClearWindowObject(content::RenderFrame* render_frame);
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virtual void SetupMainWorldOverrides(v8::Handle<v8::Context> context) = 0;
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bool isolated_world() const { return isolated_world_; }
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// Get the context that the Electron API is running in.
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v8::Local<v8::Context> GetContext(blink::WebLocalFrame* frame,
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v8::Isolate* isolate) const;
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protected:
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void AddRenderBindings(v8::Isolate* isolate,
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v8::Local<v8::Object> binding_object);
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// content::ContentRendererClient:
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void RenderThreadStarted() override;
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void RenderFrameCreated(content::RenderFrame*) override;
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void RenderViewCreated(content::RenderView*) override;
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std::unique_ptr<blink::WebSpeechSynthesizer> OverrideSpeechSynthesizer(
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blink::WebSpeechSynthesizerClient* client) override;
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bool OverrideCreatePlugin(content::RenderFrame* render_frame,
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const blink::WebPluginParams& params,
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blink::WebPlugin** plugin) override;
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void AddSupportedKeySystems(
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std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems)
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override;
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bool IsKeySystemsUpdateNeeded() override;
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private:
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std::unique_ptr<PreferencesManager> preferences_manager_;
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ChromeKeySystemsProvider key_systems_provider_;
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bool isolated_world_;
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std::string renderer_client_id_;
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// An increasing ID used for indentifying an V8 context in this process.
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int64_t next_context_id_ = 0;
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};
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} // namespace atom
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#endif // ATOM_RENDERER_RENDERER_CLIENT_BASE_H_
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