[Media] Add user gesture reporting for API calls to midi and media streams.

chrome/browser/media/chrome_midi_permission_context.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/media/chrome_midi_permission_context.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/permission_queue_controller.h"
 #include "chrome/browser/content_settings/permission_request_id.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
 class MidiPermissionRequest : public PermissionBubbleRequest {
  public:
   MidiPermissionRequest(
       ChromeMidiPermissionContext* context,
       const PermissionRequestID& id,
       const GURL& requesting_frame,
+      bool user_gesture,
       const std::string& display_languages,
       const content::BrowserContext::MidiSysExPermissionCallback& callback);
   virtual ~MidiPermissionRequest();
 
   // PermissionBubbleDelegate:
   virtual int GetIconID() const OVERRIDE;
   virtual base::string16 GetMessageText() const OVERRIDE;
   virtual base::string16 GetMessageTextFragment() const OVERRIDE;
   virtual bool HasUserGesture() const OVERRIDE;
   virtual GURL GetRequestingHostname() const OVERRIDE;
   virtual void PermissionGranted() OVERRIDE;
   virtual void PermissionDenied() OVERRIDE;
   virtual void Cancelled() OVERRIDE;
   virtual void RequestFinished() OVERRIDE;
 
  private:
   ChromeMidiPermissionContext* context_;
   const PermissionRequestID id_;
   GURL requesting_frame_;
+  bool user_gesture_;
   std::string display_languages_;
   const content::BrowserContext::MidiSysExPermissionCallback& callback_;
 
   DISALLOW_COPY_AND_ASSIGN(MidiPermissionRequest);
 };
 
 MidiPermissionRequest::MidiPermissionRequest(
     ChromeMidiPermissionContext* context,
     const PermissionRequestID& id,
     const GURL& requesting_frame,
+    bool user_gesture,
     const std::string& display_languages,
     const content::BrowserContext::MidiSysExPermissionCallback& callback)
     : context_(context),
       id_(id),
       requesting_frame_(requesting_frame),
+      user_gesture_(user_gesture),
       display_languages_(display_languages),
       callback_(callback) {}
 
 MidiPermissionRequest::~MidiPermissionRequest() {}
 
 int MidiPermissionRequest::GetIconID() const {
   return IDR_ALLOWED_MIDI_SYSEX;
 }
 
 base::string16 MidiPermissionRequest::GetMessageText() const {
   return l10n_util::GetStringFUTF16(
       IDS_MIDI_SYSEX_INFOBAR_QUESTION,
       net::FormatUrl(requesting_frame_.GetOrigin(), display_languages_));
 }
 
 base::string16 MidiPermissionRequest::GetMessageTextFragment() const {
   return l10n_util::GetStringUTF16(IDS_MIDI_SYSEX_PERMISSION_FRAGMENT);
 }
 
 bool MidiPermissionRequest::HasUserGesture() const {
-  // TODO(gbillock): plumb through.
-  return false;
+  return user_gesture_;
 }
 
 GURL MidiPermissionRequest::GetRequestingHostname() const {
   return requesting_frame_;
 }
 
 void MidiPermissionRequest::PermissionGranted() {
   context_->NotifyPermissionSet(id_, requesting_frame_, callback_, true);
 }
 
@@ skipping 24 matching lines @@
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   permission_queue_controller_.reset();
   shutting_down_ = true;
 }
 
 void ChromeMidiPermissionContext::RequestMidiSysExPermission(
     int render_process_id,
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame,
+    bool user_gesture,
     const content::BrowserContext::MidiSysExPermissionCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!shutting_down_);
 
   // TODO(toyoshim): Support Extension's manifest declared permission.
   // See http://crbug.com/266338.
 
   content::WebContents* web_contents =
     tab_util::GetWebContentsByID(render_process_id, render_view_id);
 
   // The page doesn't exist any more.
   if (!web_contents)
     return;
 
   const PermissionRequestID id(render_process_id, render_view_id, bridge_id, 0);
 
   GURL embedder = web_contents->GetURL();
   // |requesting_frame| can be empty and invalid when the frame is a local
   // file. Here local files should be granted to show an infobar.
   // Any user's action will not be stored to content settings data base.
   if ((!requesting_frame.is_valid() && !requesting_frame.is_empty()) ||
       !embedder.is_valid()) {
     LOG(WARNING) << "Attempt to use MIDI sysex from an invalid URL: "
                  << requesting_frame << "," << embedder
                  << " (Web MIDI is not supported in popups)";
     PermissionDecided(id, requesting_frame, embedder, callback, false);
     return;
   }
 
-  DecidePermission(web_contents, id, requesting_frame, embedder, callback);
+  DecidePermission(web_contents, id, requesting_frame, embedder, user_gesture,
+                   callback);
 }
 
 void ChromeMidiPermissionContext::CancelMidiSysExPermissionRequest(
     int render_process_id,
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame) {
   CancelPendingInfobarRequest(
       PermissionRequestID(render_process_id, render_view_id, bridge_id, 0));
 }
 
 void ChromeMidiPermissionContext::DecidePermission(
     content::WebContents* web_contents,
     const PermissionRequestID& id,
     const GURL& requesting_frame,
     const GURL& embedder,
+    bool user_gesture,
     const content::BrowserContext::MidiSysExPermissionCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
   ContentSetting content_setting =
       profile_->GetHostContentSettingsMap()->GetContentSetting(
           requesting_frame,
           embedder,
           CONTENT_SETTINGS_TYPE_MIDI_SYSEX,
           std::string());
   switch (content_setting) {
     case CONTENT_SETTING_BLOCK:
       PermissionDecided(id, requesting_frame, embedder, callback, false);
       break;
     case CONTENT_SETTING_ALLOW:
       PermissionDecided(id, requesting_frame, embedder, callback, true);
       break;
     default:
       if (PermissionBubbleManager::Enabled()) {
         PermissionBubbleManager* bubble_manager =
             PermissionBubbleManager::FromWebContents(web_contents);
         bubble_manager->AddRequest(new MidiPermissionRequest(
-            this, id, requesting_frame,
+            this, id, requesting_frame, user_gesture,
             profile_->GetPrefs()->GetString(prefs::kAcceptLanguages),
             callback));
         return;
       }
 
       // TODO(gbillock): Delete this and the infobar delegate when
       // we're using only bubbles. crbug.com/337458
       GetQueueController()->CreateInfoBarRequest(
           id, requesting_frame, embedder, std::string(), base::Bind(
               &ChromeMidiPermissionContext::NotifyPermissionSet,
@@ skipping 41 matching lines @@
 }
 
 void ChromeMidiPermissionContext::CancelPendingInfobarRequest(
     const PermissionRequestID& id) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   if (shutting_down_)
     return;
   // TODO(gbillock): Add support for cancellation to permission bubbles.
   GetQueueController()->CancelInfoBarRequest(id);
 }