106 lines
3.3 KiB
C++
106 lines
3.3 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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#include "include/cef_geolocation.h"
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#include "libcef/browser/context.h"
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#include "libcef/browser/thread_util.h"
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#include "libcef/common/time_util.h"
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#include "base/logging.h"
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#include "device/geolocation/geolocation_provider.h"
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#include "device/geolocation/geoposition.h"
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namespace {
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class CefLocationRequest :
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public base::RefCountedThreadSafe<CefLocationRequest> {
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public:
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explicit CefLocationRequest(CefRefPtr<CefGetGeolocationCallback> callback)
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: callback_(callback) {
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CEF_REQUIRE_UIT();
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geo_callback_ = base::Bind(&CefLocationRequest::OnLocationUpdate, this);
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device::GeolocationProvider* provider =
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device::GeolocationProvider::GetInstance();
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subscription_ = provider->AddLocationUpdateCallback(geo_callback_, true);
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provider->UserDidOptIntoLocationServices();
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}
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private:
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friend class base::RefCountedThreadSafe<CefLocationRequest>;
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~CefLocationRequest() {}
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void OnLocationUpdate(const device::Geoposition& position) {
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CEF_REQUIRE_UIT();
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if (callback_.get()) {
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CefGeoposition cef_position;
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SetPosition(position, cef_position);
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callback_->OnLocationUpdate(cef_position);
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callback_ = NULL;
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}
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subscription_.reset();
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geo_callback_.Reset();
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}
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void SetPosition(const device::Geoposition& source, CefGeoposition& target) {
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target.latitude = source.latitude;
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target.longitude = source.longitude;
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target.altitude = source.altitude;
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target.accuracy = source.accuracy;
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target.altitude_accuracy = source.altitude_accuracy;
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target.heading = source.heading;
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target.speed = source.speed;
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cef_time_from_basetime(source.timestamp, target.timestamp);
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switch (source.error_code) {
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case device::Geoposition::ERROR_CODE_NONE:
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target.error_code = GEOPOSITON_ERROR_NONE;
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break;
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case device::Geoposition::ERROR_CODE_PERMISSION_DENIED:
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target.error_code = GEOPOSITON_ERROR_PERMISSION_DENIED;
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break;
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case device::Geoposition::ERROR_CODE_POSITION_UNAVAILABLE:
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target.error_code = GEOPOSITON_ERROR_POSITION_UNAVAILABLE;
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break;
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case device::Geoposition::ERROR_CODE_TIMEOUT:
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target.error_code = GEOPOSITON_ERROR_TIMEOUT;
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break;
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}
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CefString(&target.error_message) = source.error_message;
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}
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CefRefPtr<CefGetGeolocationCallback> callback_;
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device::GeolocationProvider::LocationUpdateCallback geo_callback_;
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std::unique_ptr<device::GeolocationProvider::Subscription> subscription_;
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DISALLOW_COPY_AND_ASSIGN(CefLocationRequest);
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};
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} // namespace
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bool CefGetGeolocation(CefRefPtr<CefGetGeolocationCallback> callback) {
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return false;
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}
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if (!callback.get()) {
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NOTREACHED() << "invalid parameter";
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return false;
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}
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if (CEF_CURRENTLY_ON_UIT()) {
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if (device::GeolocationProvider::GetInstance()) {
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// Will be released after the callback executes.
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new CefLocationRequest(callback);
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return true;
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}
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return false;
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} else {
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CEF_POST_TASK(CEF_UIT,
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base::Bind(base::IgnoreResult(CefGetGeolocation), callback));
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return true;
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}
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}
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