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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
// Copyright 2015 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_PLUGINS_PLUGIN_PREROLLER_H_
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#define CEF_LIBCEF_RENDERER_PLUGINS_PLUGIN_PREROLLER_H_
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#include "base/macros.h"
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#include "content/public/common/webplugininfo.h"
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#include "content/public/renderer/plugin_instance_throttler.h"
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#include "content/public/renderer/render_frame_observer.h"
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#include "third_party/WebKit/public/web/WebPluginParams.h"
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#include "url/gurl.h"
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namespace blink {
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class WebLocalFrame;
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}
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class SkBitmap;
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// This class manages a plugin briefly for the purposes of keyframe extraction.
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// Once a keyframe has been extracted, this class will replace the plugin with
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// a ChromePluginPlaceholder. The actual plugin will continue to live in a
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// throttled state. This class manages its own lifetime.
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class CefPluginPreroller : public content::PluginInstanceThrottler::Observer,
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public content::RenderFrameObserver {
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public:
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// Does not take ownership of either |plugin| or |throttler|.
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CefPluginPreroller(content::RenderFrame* render_frame,
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blink::WebLocalFrame* frame,
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const blink::WebPluginParams& params,
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const content::WebPluginInfo& info,
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const std::string& identifier,
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const base::string16& name,
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const base::string16& message,
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content::PluginInstanceThrottler* throttler);
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~CefPluginPreroller() override;
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private:
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// content::PluginInstanceThrottler::Observer methods:
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void OnKeyframeExtracted(const SkBitmap* bitmap) override;
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void OnThrottleStateChange() override;
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void OnThrottlerDestroyed() override;
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// content::RenderFrameObserver implementation.
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void OnDestruct() override;
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blink::WebLocalFrame* frame_;
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blink::WebPluginParams params_;
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content::WebPluginInfo info_;
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std::string identifier_;
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base::string16 name_;
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base::string16 message_;
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content::PluginInstanceThrottler* throttler_;
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GURL keyframe_data_url_;
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DISALLOW_COPY_AND_ASSIGN(CefPluginPreroller);
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};
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#endif // CEF_LIBCEF_RENDERER_PLUGINS_PLUGIN_PREROLLER_H_
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