content/browser/browser_plugin/browser_plugin_geolocation_permission_context.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/browser_plugin/browser_plugin_geolocation_permission_context.h"
   6
   7 #include "base/bind.h"
   8 #include "content/browser/browser_plugin/browser_plugin_guest.h"
   9 #include "content/browser/web_contents/web_contents_impl.h"
  10 #include "content/public/browser/browser_thread.h"
  11 #include "content/public/browser/render_process_host.h"
  12 #include "content/public/browser/render_view_host.h"
  13
  14 namespace content {
  15
  16 BrowserPluginGeolocationPermissionContext::
  17     BrowserPluginGeolocationPermissionContext() {
  18 }
  19
  20 BrowserPluginGeolocationPermissionContext::
  21     ~BrowserPluginGeolocationPermissionContext() {
  22 }
  23
  24 void BrowserPluginGeolocationPermissionContext::RequestGeolocationPermission(
  25     int render_process_id,
  26     int render_view_id,
  27     int bridge_id,
  28     const GURL& requesting_frame,
  29     base::Callback<void(bool)> callback) {
  30   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
  31     BrowserThread::PostTask(
  32         BrowserThread::UI, FROM_HERE,
  33         base::Bind(
  34             &BrowserPluginGeolocationPermissionContext::
  35                 RequestGeolocationPermission,
  36             this,
  37             render_process_id,
  38             render_view_id,
  39             bridge_id,
  40             requesting_frame,
  41             callback));
  42     return;
  43   }
  44   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  45
  46   // Note that callback.Run(true) allows geolocation access, callback.Run(false)
  47   // denies geolocation access.
  48   // We need to go to the renderer to ask embedder's js if we are allowed to
  49   // have geolocation access.
  50   RenderViewHost* rvh = RenderViewHost::FromID(render_process_id,
  51                                                render_view_id);
  52   if (rvh) {
  53     DCHECK(rvh->GetProcess()->IsGuest());
  54     WebContentsImpl* guest_web_contents =
  55         static_cast<WebContentsImpl*>(rvh->GetDelegate()->GetAsWebContents());
  56     BrowserPluginGuest* guest = guest_web_contents->GetBrowserPluginGuest();
  57     guest->AskEmbedderForGeolocationPermission(bridge_id,
  58                                                requesting_frame,
  59                                                callback);
  60   }
  61 }
  62
  63 void BrowserPluginGeolocationPermissionContext::
  64     CancelGeolocationPermissionRequest(int render_process_id,
  65                                        int render_view_id,
  66                                        int bridge_id,
  67                                        const GURL& requesting_frame) {
  68   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
  69     BrowserThread::PostTask(
  70         BrowserThread::UI, FROM_HERE,
  71         base::Bind(
  72             &BrowserPluginGeolocationPermissionContext::
  73                 CancelGeolocationPermissionRequest,
  74             this,
  75             render_process_id,
  76             render_view_id,
  77             bridge_id,
  78             requesting_frame));
  79     return;
  80   }
  81   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  82   RenderViewHost* rvh = RenderViewHost::FromID(render_process_id,
  83                                                render_view_id);
  84   if (rvh) {
  85     DCHECK(rvh->GetProcess()->IsGuest());
  86     WebContentsImpl* guest_web_contents =
  87         static_cast<WebContentsImpl*>(rvh->GetDelegate()->GetAsWebContents());
  88     BrowserPluginGuest* guest = guest_web_contents->GetBrowserPluginGuest();
  89     if (guest)
  90       guest->CancelGeolocationRequest(bridge_id);
  91   }
  92 }
  93
  94 }  // namespace content