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https://bitbucket.org/chromiumembedded/cef
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116 lines
4.8 KiB
C++
116 lines
4.8 KiB
C++
// Copyright (c) 2015 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_ALLOY_BROWSER_PLATFORM_DELEGATE_ALLOY_H_
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#define CEF_LIBCEF_BROWSER_ALLOY_BROWSER_PLATFORM_DELEGATE_ALLOY_H_
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#include "libcef/browser/browser_platform_delegate.h"
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#include "libcef/browser/web_contents_dialog_helper.h"
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#include "base/memory/weak_ptr.h"
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#include "content/public/browser/web_contents.h"
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#include "ui/gfx/geometry/size.h"
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// Implementation of Alloy-based browser functionality.
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class CefBrowserPlatformDelegateAlloy : public CefBrowserPlatformDelegate {
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public:
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content::WebContents* CreateWebContents(CefBrowserCreateParams& create_params,
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bool& own_web_contents) override;
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void WebContentsCreated(content::WebContents* web_contents,
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bool owned) override;
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void AddNewContents(content::WebContents* source,
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std::unique_ptr<content::WebContents> new_contents,
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const GURL& target_url,
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WindowOpenDisposition disposition,
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const gfx::Rect& initial_rect,
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bool user_gesture,
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bool* was_blocked) override;
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bool ShouldAllowRendererInitiatedCrossProcessNavigation(
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bool is_main_frame_navigation) override;
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void RenderViewCreated(content::RenderViewHost* render_view_host) override;
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void RenderViewReady() override;
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void BrowserCreated(CefBrowserHostBase* browser) override;
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void CreateExtensionHost(const extensions::Extension* extension,
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const GURL& url,
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extensions::mojom::ViewType host_type) override;
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extensions::ExtensionHost* GetExtensionHost() const override;
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void BrowserDestroyed(CefBrowserHostBase* browser) override;
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void SendCaptureLostEvent() override;
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#if defined(OS_WIN) || (defined(OS_POSIX) && !defined(OS_MAC))
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void NotifyMoveOrResizeStarted() override;
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#endif
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bool PreHandleGestureEvent(content::WebContents* source,
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const blink::WebGestureEvent& event) override;
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bool IsNeverComposited(content::WebContents* web_contents) override;
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void SetAutoResizeEnabled(bool enabled,
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const CefSize& min_size,
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const CefSize& max_size) override;
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void SetAccessibilityState(cef_state_t accessibility_state) override;
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bool IsPrintPreviewSupported() const override;
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void Print() override;
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void PrintToPDF(const CefString& path,
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const CefPdfPrintSettings& settings,
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CefRefPtr<CefPdfPrintCallback> callback) override;
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void Find(int identifier,
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const CefString& searchText,
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bool forward,
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bool matchCase,
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bool findNext) override;
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void StopFinding(bool clearSelection) override;
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protected:
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CefBrowserPlatformDelegateAlloy();
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base::RepeatingClosure GetBoundsChangedCallback();
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// Returns the WebContents most likely to handle an action. If extensions are
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// enabled and this browser has a full-page guest (for example, a full-page
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// PDF viewer extension) then the guest's WebContents will be returned.
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// Otherwise, the browser's WebContents will be returned.
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content::WebContents* GetActionableWebContents() const;
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// Called from BrowserPlatformDelegateNative::set_windowless_handler().
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void set_as_secondary() { primary_ = false; }
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private:
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void SetOwnedWebContents(content::WebContents* owned_contents);
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void DestroyExtensionHost();
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void OnExtensionHostDeleted();
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void ConfigureAutoResize();
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// Non-nullptr if this object owns the WebContents. Will be nullptr for popup
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// browsers between the calls to WebContentsCreated() and AddNewContents(),
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// and may never be set if the parent browser is destroyed during popup
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// creation.
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std::unique_ptr<content::WebContents> owned_web_contents_;
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// Used for the print preview dialog.
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std::unique_ptr<CefWebContentsDialogHelper> web_contents_dialog_helper_;
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// Used to provide unique incremental IDs for each find request.
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int find_request_id_counter_ = 0;
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// Used when the browser is hosting an extension.
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extensions::ExtensionHost* extension_host_ = nullptr;
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bool is_background_host_ = false;
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// Used with auto-resize.
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bool auto_resize_enabled_ = false;
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gfx::Size auto_resize_min_;
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gfx::Size auto_resize_max_;
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// True if this is the primary platform delegate, in which case it will
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// register WebContents delegate/observers.
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bool primary_ = true;
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base::WeakPtrFactory<CefBrowserPlatformDelegateAlloy> weak_ptr_factory_;
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DISALLOW_COPY_AND_ASSIGN(CefBrowserPlatformDelegateAlloy);
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};
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#endif // CEF_LIBCEF_BROWSER_ALLOY_BROWSER_PLATFORM_DELEGATE_ALLOY_H_
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