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dca0435d2f
Split the Alloy runtime into bootstrap and style components. Support creation of Alloy style browsers and windows with the Chrome runtime. Chrome runtime (`--enable-chrome-runtime`) + Alloy style (`--use-alloy-style`) supports Views (`--use-views`), native parent (`--use-native`) and windowless rendering (`--off-screen-rendering-enabled`). Print preview is supported in all cases except with windowless rendering on all platforms and native parent on MacOS. It is disabled by default with Alloy style for legacy compatibility. Where supported it can be enabled or disabled globally using `--[enable|disable]-print-preview` or configured on a per-RequestContext basis using the `printing.print_preview_disabled` preference. It also behaves as expected when triggered via the PDF viewer print button. Chrome runtime + Alloy style behavior differs from Alloy runtime in the following significant ways: - Supports Chrome error pages by default. - DevTools popups are Chrome style only (cannot be windowless). - The Alloy extension API will not supported. Chrome runtime + Alloy style passes all expected Alloy ceftests except the following: - `DisplayTest.AutoResize` (Alloy extension API not supported) - `DownloadTest.*` (Download API not yet supported) - `ExtensionTest.*` (Alloy extension API not supported) This change also adds Chrome runtime support for CefContextMenuHandler::RunContextMenu (see #3293). This change also explicitly blocks (and doesn't retry) FrameAttached requests from PDF viewer and print preview excluded frames (see #3664). Known issues specific to Chrome runtime + Alloy style: - DevTools popup with windowless rendering doesn't load successfully. Use windowed rendering or remote debugging as a workaround. - Chrome style Window with Alloy style BrowserView (`--use-alloy-style --use-chrome-style-window`) does not show Chrome theme changes. To test: - Run `ceftests --enable-chrome-runtime --use-alloy-style [--use-chrome-style-window] [--use-views|--use-native] --gtest_filter=...` - Run `cefclient --enable-chrome-runtime --use-alloy-style [--use-chrome-style-window] [--use-views|--use-native|--off-screen-rendering-enabled]` - Run `cefsimple --enable-chrome-runtime --use-alloy-style [--use-views]`
106 lines
4.4 KiB
C++
106 lines
4.4 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 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_BROWSER_OSR_WEB_CONTENTS_VIEW_OSR_H_
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#define CEF_LIBCEF_BROWSER_OSR_WEB_CONTENTS_VIEW_OSR_H_
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#include "content/browser/renderer_host/render_view_host_delegate_view.h"
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#include "content/browser/web_contents/web_contents_view.h"
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#include "third_party/skia/include/core/SkColor.h"
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namespace content {
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class BrowserPluginGuest;
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class WebContents;
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class WebContentsViewDelegate;
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} // namespace content
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class AlloyBrowserHostImpl;
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class CefRenderWidgetHostViewOSR;
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class CefTouchSelectionControllerClientOSR;
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// An implementation of WebContentsView for off-screen rendering.
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class CefWebContentsViewOSR : public content::WebContentsView,
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public content::RenderViewHostDelegateView {
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public:
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explicit CefWebContentsViewOSR(SkColor background_color,
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bool use_shared_texture,
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bool use_external_begin_frame);
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CefWebContentsViewOSR(const CefWebContentsViewOSR&) = delete;
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CefWebContentsViewOSR& operator=(const CefWebContentsViewOSR&) = delete;
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~CefWebContentsViewOSR() override;
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void WebContentsCreated(content::WebContents* web_contents);
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content::WebContents* web_contents() const { return web_contents_; }
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void RenderViewCreated();
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// WebContentsView methods.
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gfx::NativeView GetNativeView() const override;
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gfx::NativeView GetContentNativeView() const override;
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gfx::NativeWindow GetTopLevelNativeWindow() const override;
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gfx::Rect GetContainerBounds() const override;
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void Focus() override {}
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void SetInitialFocus() override {}
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void StoreFocus() override {}
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void RestoreFocus() override {}
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void FocusThroughTabTraversal(bool reverse) override {}
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content::DropData* GetDropData() const override { return nullptr; }
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gfx::Rect GetViewBounds() const override;
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void CreateView(gfx::NativeView context) override {}
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content::RenderWidgetHostViewBase* CreateViewForWidget(
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content::RenderWidgetHost* render_widget_host) override;
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content::RenderWidgetHostViewBase* CreateViewForChildWidget(
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content::RenderWidgetHost* render_widget_host) override;
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void SetPageTitle(const std::u16string& title) override {}
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void RenderViewReady() override {}
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void RenderViewHostChanged(content::RenderViewHost* old_host,
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content::RenderViewHost* new_host) override {}
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void SetOverscrollControllerEnabled(bool enabled) override {}
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void OnCapturerCountChanged() override {}
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void UpdateWindowControlsOverlay(const gfx::Rect& bounding_rect) override {}
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void TransferDragSecurityInfo(content::WebContentsView* view) override {}
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content::BackForwardTransitionAnimationManager*
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GetBackForwardTransitionAnimationManager() override {
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return nullptr;
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}
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#if BUILDFLAG(IS_MAC)
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bool CloseTabAfterEventTrackingIfNeeded() override { return false; }
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#endif
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// RenderViewHostDelegateView methods.
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void ShowContextMenu(content::RenderFrameHost& render_frame_host,
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const content::ContextMenuParams& params) override;
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void StartDragging(const content::DropData& drop_data,
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const url::Origin& source_origin,
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blink::DragOperationsMask allowed_ops,
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const gfx::ImageSkia& image,
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const gfx::Vector2d& cursor_offset,
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const gfx::Rect& drag_obj_rect,
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const blink::mojom::DragEventSourceInfo& event_info,
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content::RenderWidgetHostImpl* source_rwh) override;
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void UpdateDragOperation(ui::mojom::DragOperation operation,
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bool document_is_handling_drag) override;
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void GotFocus(content::RenderWidgetHostImpl* render_widget_host) override;
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void LostFocus(content::RenderWidgetHostImpl* render_widget_host) override;
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void TakeFocus(bool reverse) override;
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void FullscreenStateChanged(bool is_fullscreen) override {}
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private:
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CefRenderWidgetHostViewOSR* GetView() const;
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AlloyBrowserHostImpl* GetBrowser() const;
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CefTouchSelectionControllerClientOSR* GetSelectionControllerClient() const;
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const SkColor background_color_;
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const bool use_shared_texture_;
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const bool use_external_begin_frame_;
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content::WebContents* web_contents_ = nullptr;
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};
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#endif // CEF_LIBCEF_BROWSER_OSR_WEB_CONTENTS_VIEW_OSR_H_
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