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https://bitbucket.org/chromiumembedded/cef
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This implementation supports both GPU compositing and software compositing (used when GPU is not supported or when passing `--disable-gpu --disable-gpu-compositing` command-line flags). GPU-accelerated features (WebGL and 3D CSS) that did not work with the previous off-screen rendering implementation do work with this implementation when GPU support is available. Rendering now operates on a per-frame basis. The frame rate is configurable via CefBrowserSettings.windowless_frame_rate up to a maximum of 60fps (potentially limited by how fast the system can generate new frames). CEF generates a bitmap from the compositor backing and passes it to CefRenderHandler::OnPaint. The previous CefRenderHandler/CefBrowserHost API for off-screen rendering has been restored mostly as-is with some minor changes: - CefBrowserHost::Invalidate no longer accepts a CefRect region argument. Instead of invalidating a specific region it now triggers generation of a new frame. - The |dirtyRects| argument to CefRenderHandler::OnPaint will now always be a single CefRect representing the whole view (frame) size. Previously, invalidated regions were listed separately. - Linux: CefBrowserHost::SendKeyEvent now expects X11 event information instead of GTK event information. See cefclient for an example of converting GTK events to the necessary format. - Sizes passed to the CefRenderHandler OnPaint and OnPopupSize methods are now already DPI scaled. Previously, the client had to perform DPI scaling. - Includes drag&drop implementation from issue #1032. - Includes unit test fixes from issue #1245. git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1751 5089003a-bbd8-11dd-ad1f-f1f9622dbc98
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_MENU_MANAGER_H_
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#define CEF_LIBCEF_BROWSER_MENU_MANAGER_H_
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#pragma once
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#include "libcef/browser/menu_model_impl.h"
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#include "base/memory/scoped_ptr.h"
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#include "content/public/common/context_menu_params.h"
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namespace content {
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class RenderFrameHost;
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};
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class CefBrowserHostImpl;
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class CefMenuCreator : public CefMenuModelImpl::Delegate {
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public:
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// Used for OS-specific menu implementations.
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class Runner {
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public:
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virtual ~Runner() {}
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virtual bool RunContextMenu(CefMenuCreator* manager) =0;
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virtual void CancelContextMenu() {}
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virtual bool FormatLabel(base::string16& label) { return false; }
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};
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explicit CefMenuCreator(CefBrowserHostImpl* browser);
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virtual ~CefMenuCreator();
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// Returns true if the context menu is currently showing.
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bool IsShowingContextMenu();
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// Create the context menu.
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bool CreateContextMenu(const content::ContextMenuParams& params);
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void CancelContextMenu();
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CefBrowserHostImpl* browser() { return browser_; }
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ui::MenuModel* model() { return model_->model(); }
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const content::ContextMenuParams& params() const { return params_; }
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private:
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// Create the menu runner if it doesn't already exist.
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bool CreateRunner();
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// CefMenuModelImpl::Delegate methods.
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virtual void ExecuteCommand(CefRefPtr<CefMenuModelImpl> source,
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int command_id,
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cef_event_flags_t event_flags) OVERRIDE;
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virtual void MenuWillShow(CefRefPtr<CefMenuModelImpl> source) OVERRIDE;
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virtual void MenuClosed(CefRefPtr<CefMenuModelImpl> source) OVERRIDE;
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virtual bool FormatLabel(base::string16& label) OVERRIDE;
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// Create the default menu model.
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void CreateDefaultModel();
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// Execute the default command handling.
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void ExecuteDefaultCommand(int command_id);
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// CefBrowserHostImpl pointer is guaranteed to outlive this object.
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CefBrowserHostImpl* browser_;
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CefRefPtr<CefMenuModelImpl> model_;
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content::ContextMenuParams params_;
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scoped_ptr<Runner> runner_;
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DISALLOW_COPY_AND_ASSIGN(CefMenuCreator);
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};
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#endif // CEF_LIBCEF_BROWSER_MENU_MANAGER_H_
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