89 lines
3.1 KiB
C
89 lines
3.1 KiB
C
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// 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_GEOLOCATION_CLIENT_H_
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#define CEF_LIBCEF_GEOLOCATION_CLIENT_H_
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#pragma once
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#include "base/memory/ref_counted.h"
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#include "base/memory/scoped_ptr.h"
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#include "content/browser/geolocation/geolocation_observer.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationClient.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebGeolocationController.h"
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class CefBrowserImpl;
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class CefGeolocationCallbackImpl;
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class GeolocationProvider;
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struct Geoposition;
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namespace WebKit {
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class WebGeolocationController;
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class WebGeolocationPermissionRequest;
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class WebGeolocationPermissionRequestManager;
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class WebGeolocationPosition;
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}
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// Delegate for Geolocation messages used by WebKit.
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class CefGeolocationClient
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: public WebKit::WebGeolocationClient,
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public GeolocationObserver,
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public base::RefCountedThreadSafe<CefGeolocationClient> {
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public:
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explicit CefGeolocationClient(CefBrowserImpl* browser);
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virtual ~CefGeolocationClient();
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private:
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friend class CefGeolocationCallbackImpl;
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// WebGeolocationClient methods.
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virtual void geolocationDestroyed();
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virtual void startUpdating();
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virtual void stopUpdating();
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virtual void setEnableHighAccuracy(bool enable_high_accuracy);
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virtual void setController(WebKit::WebGeolocationController* controller);
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virtual bool lastPosition(WebKit::WebGeolocationPosition& position);
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virtual void requestPermission(
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const WebKit::WebGeolocationPermissionRequest& permissionRequest);
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virtual void cancelPermissionRequest(
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const WebKit::WebGeolocationPermissionRequest& permissionRequest);
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// Called to continue processing on the IO thread.
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void OnStartUpdating(bool enable_high_accuracy);
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void OnStopUpdating();
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// GeolocationObserver methods.
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virtual void OnLocationUpdate(const content::Geoposition& position) OVERRIDE;
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// Permission for using geolocation has been set.
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void OnPermissionSet(int bridge_id, bool is_allowed);
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// We have an updated geolocation position or error code.
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void OnPositionUpdated(const content::Geoposition& geoposition);
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// The following members are only accessed on the UI thread.
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// The |browser_| pointer is guaranteed to outlive this object.
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CefBrowserImpl* browser_;
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// The controller_ is valid for the lifetime of the underlying
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// WebCore::GeolocationController. geolocationDestroyed() is
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// invoked when the underlying object is destroyed.
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scoped_ptr<WebKit::WebGeolocationController> controller_;
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scoped_ptr<WebKit::WebGeolocationPermissionRequestManager>
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pending_permissions_;
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bool enable_high_accuracy_;
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bool updating_;
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// The following members are only accessed on the IO thread.
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// Only set whilst we are registered with the arbitrator.
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GeolocationProvider* location_provider_;
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DISALLOW_COPY_AND_ASSIGN(CefGeolocationClient);
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};
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#endif // CEF_LIBCEF_GEOLOCATION_CLIENT_H_
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