Towards Decoupling GuestView from Extensions

extensions/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/browser_context.h"
@@ skipping 17 matching lines @@
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/common/url_constants.h"
 #include "extensions/browser/api/declarative/rules_registry_service.h"
 #include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/api/guest_view/web_view/web_view_internal_api.h"
 #include "extensions/browser/api/web_request/web_request_api.h"
 #include "extensions/browser/extension_system.h"
+#include "extensions/browser/guest_view/guest_view_event.h"
 #include "extensions/browser/guest_view/guest_view_manager.h"
 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 #include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/guest_view/guest_view_constants.h"
 #include "extensions/strings/grit/extensions_strings.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 253 matching lines @@
 }
 
 void WebViewGuest::DidAttachToEmbedder() {
   ApplyAttributes(*attach_params());
 }
 
 void WebViewGuest::DidDropLink(const GURL& url) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, url.spec());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventDropLink, args.Pass()));
+      new GuestViewEvent(this, webview::kEventDropLink, args.Pass()));
 }
 
 void WebViewGuest::DidInitialize(const base::DictionaryValue& create_params) {
   script_executor_.reset(
       new ScriptExecutor(web_contents(), &script_observers_));
 
   notification_registrar_.Add(this,
                               content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME,
                               content::Source<WebContents>(web_contents()));
 
@@ skipping 39 matching lines @@
   partition->ClearData(
       storage_partition_removal_mask,
       content::StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL, GURL(),
       content::StoragePartition::OriginMatcherFunction(), remove_since,
       base::Time::Now(), callback);
 }
 
 void WebViewGuest::GuestViewDidStopLoading() {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadStop, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadStop, args.Pass()));
 }
 
 void WebViewGuest::EmbedderFullscreenToggled(bool entered_fullscreen) {
   is_embedder_fullscreen_ = entered_fullscreen;
   // If the embedder has got out of fullscreen, we get out of fullscreen
   // mode as well.
   if (!entered_fullscreen)
     SetFullscreenState(false);
 }
 
@@ skipping 52 matching lines @@
 }
 
 void WebViewGuest::GuestSizeChangedDueToAutoSize(const gfx::Size& old_size,
                                                  const gfx::Size& new_size) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetInteger(webview::kOldHeight, old_size.height());
   args->SetInteger(webview::kOldWidth, old_size.width());
   args->SetInteger(webview::kNewHeight, new_size.height());
   args->SetInteger(webview::kNewWidth, new_size.width());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventSizeChanged, args.Pass()));
+      new GuestViewEvent(this, webview::kEventSizeChanged, args.Pass()));
 }
 
 bool WebViewGuest::IsAutoSizeSupported() const {
   return true;
 }
 
 bool WebViewGuest::IsDragAndDropEnabled() const {
   return true;
 }
 
 void WebViewGuest::GuestZoomChanged(double old_zoom_level,
                                     double new_zoom_level) {
   // Dispatch the zoomchange event.
   double old_zoom_factor = ConvertZoomLevelToZoomFactor(old_zoom_level);
   double new_zoom_factor = ConvertZoomLevelToZoomFactor(new_zoom_level);
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetDouble(webview::kOldZoomFactor, old_zoom_factor);
   args->SetDouble(webview::kNewZoomFactor, new_zoom_factor);
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventZoomChange, args.Pass()));
+      new GuestViewEvent(this, webview::kEventZoomChange, args.Pass()));
 }
 
 void WebViewGuest::WillDestroy() {
   if (!attached() && GetOpener())
     GetOpener()->pending_new_windows_.erase(this);
 }
 
 bool WebViewGuest::AddMessageToConsole(WebContents* source,
                                        int32 level,
                                        const base::string16& message,
                                        int32 line_no,
                                        const base::string16& source_id) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   // Log levels are from base/logging.h: LogSeverity.
   args->SetInteger(webview::kLevel, level);
   args->SetString(webview::kMessage, message);
   args->SetInteger(webview::kLine, line_no);
   args->SetString(webview::kSourceId, source_id);
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventConsoleMessage, args.Pass()));
+      new GuestViewEvent(this, webview::kEventConsoleMessage, args.Pass()));
   return true;
 }
 
 void WebViewGuest::CloseContents(WebContents* source) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventClose, args.Pass()));
+      new GuestViewEvent(this, webview::kEventClose, args.Pass()));
 }
 
 void WebViewGuest::FindReply(WebContents* source,
                              int request_id,
                              int number_of_matches,
                              const gfx::Rect& selection_rect,
                              int active_match_ordinal,
                              bool final_update) {
   find_helper_.FindReply(request_id,
                          number_of_matches,
@@ skipping 32 matching lines @@
                                          const blink::WebGestureEvent& event) {
   return !allow_scaling_ && GuestViewBase::PreHandleGestureEvent(source, event);
 }
 
 void WebViewGuest::LoadProgressChanged(content::WebContents* source,
                                        double progress) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, web_contents()->GetURL().spec());
   args->SetDouble(webview::kProgress, progress);
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadProgress, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadProgress, args.Pass()));
 }
 
 void WebViewGuest::LoadAbort(bool is_top_level,
                              const GURL& url,
                              int error_code,
                              const std::string& error_type) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetBoolean(guestview::kIsTopLevel, is_top_level);
   args->SetString(guestview::kUrl, url.possibly_invalid_spec());
   args->SetInteger(guestview::kCode, error_code);
   args->SetString(guestview::kReason, error_type);
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadAbort, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadAbort, args.Pass()));
 }
 
 void WebViewGuest::CreateNewGuestWebViewWindow(
     const content::OpenURLParams& params) {
   GuestViewManager* guest_manager =
       GuestViewManager::FromBrowserContext(browser_context());
   // Set the attach params to use the same partition as the opener.
   // We pull the partition information from the site's URL, which is of the
   // form guest://site/{persist}?{partition_name}.
   const GURL& site_url = web_contents()->GetSiteInstance()->GetSiteURL();
@@ skipping 27 matching lines @@
                              new_guest->web_contents());
 }
 
 // TODO(fsamuel): Find a reliable way to test the 'responsive' and
 // 'unresponsive' events.
 void WebViewGuest::RendererResponsive(content::WebContents* source) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetInteger(webview::kProcessId,
                    web_contents()->GetRenderProcessHost()->GetID());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventResponsive, args.Pass()));
+      new GuestViewEvent(this, webview::kEventResponsive, args.Pass()));
 }
 
 void WebViewGuest::RendererUnresponsive(content::WebContents* source) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetInteger(webview::kProcessId,
                    web_contents()->GetRenderProcessHost()->GetID());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventUnresponsive, args.Pass()));
+      new GuestViewEvent(this, webview::kEventUnresponsive, args.Pass()));
 }
 
 void WebViewGuest::Observe(int type,
                            const content::NotificationSource& source,
                            const content::NotificationDetails& details) {
   switch (type) {
     case content::NOTIFICATION_LOAD_COMPLETED_MAIN_FRAME: {
       DCHECK_EQ(content::Source<WebContents>(source).ptr(), web_contents());
       if (content::Source<WebContents>(source).ptr() == web_contents())
         LoadHandlerCalled();
@@ skipping 128 matching lines @@
                       .GetLastCommittedEntry()
                       ->GetBaseURLForDataURL()
                       .spec());
   args->SetInteger(webview::kInternalCurrentEntryIndex,
                    web_contents()->GetController().GetCurrentEntryIndex());
   args->SetInteger(webview::kInternalEntryCount,
                    web_contents()->GetController().GetEntryCount());
   args->SetInteger(webview::kInternalProcessId,
                    web_contents()->GetRenderProcessHost()->GetID());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadCommit, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadCommit, args.Pass()));
 
   find_helper_.CancelAllFindSessions();
 
   if (web_view_guest_delegate_) {
     web_view_guest_delegate_->OnDidCommitProvisionalLoadForFrame(
         !render_frame_host->GetParent());
   }
 }
 
 void WebViewGuest::DidFailProvisionalLoad(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
     int error_code,
     const base::string16& error_description) {
   LoadAbort(!render_frame_host->GetParent(), validated_url, error_code,
             net::ErrorToShortString(error_code));
 }
 
 void WebViewGuest::DidStartProvisionalLoadForFrame(
     content::RenderFrameHost* render_frame_host,
     const GURL& validated_url,
     bool is_error_page,
     bool is_iframe_srcdoc) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, validated_url.spec());
   args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadStart, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadStart, args.Pass()));
 }
 
 void WebViewGuest::DocumentLoadedInFrame(
     content::RenderFrameHost* render_frame_host) {
   if (web_view_guest_delegate_)
     web_view_guest_delegate_->OnDocumentLoadedInFrame(render_frame_host);
 }
 
 void WebViewGuest::RenderProcessGone(base::TerminationStatus status) {
   // Cancel all find sessions in progress.
   find_helper_.CancelAllFindSessions();
 
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetInteger(webview::kProcessId,
                    web_contents()->GetRenderProcessHost()->GetID());
   args->SetString(webview::kReason, TerminationStatusToString(status));
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventExit, args.Pass()));
+      new GuestViewEvent(this, webview::kEventExit, args.Pass()));
 }
 
 void WebViewGuest::UserAgentOverrideSet(const std::string& user_agent) {
   content::NavigationController& controller = web_contents()->GetController();
   content::NavigationEntry* entry = controller.GetVisibleEntry();
   if (!entry)
     return;
   entry->SetIsOverridingUserAgent(!user_agent.empty());
   web_contents()->GetController().Reload(false);
 }
 
 void WebViewGuest::FrameNameChanged(RenderFrameHost* render_frame_host,
                                     const std::string& name) {
   if (render_frame_host->GetParent())
     return;
 
   if (name_ == name)
     return;
 
   ReportFrameNameChange(name);
 }
 
 void WebViewGuest::ReportFrameNameChange(const std::string& name) {
   name_ = name;
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(webview::kName, name);
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventFrameNameChanged, args.Pass()));
+      new GuestViewEvent(this, webview::kEventFrameNameChanged, args.Pass()));
 }
 
 void WebViewGuest::LoadHandlerCalled() {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventContentLoad, args.Pass()));
+      new GuestViewEvent(this, webview::kEventContentLoad, args.Pass()));
 }
 
 void WebViewGuest::LoadRedirect(const GURL& old_url,
                                 const GURL& new_url,
                                 bool is_top_level) {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetBoolean(guestview::kIsTopLevel, is_top_level);
   args->SetString(webview::kNewURL, new_url.spec());
   args->SetString(webview::kOldURL, old_url.spec());
   DispatchEventToView(
-      new GuestViewBase::Event(webview::kEventLoadRedirect, args.Pass()));
+      new GuestViewEvent(this, webview::kEventLoadRedirect, args.Pass()));
 }
 
 void WebViewGuest::PushWebViewStateToIOThread() {
   const GURL& site_url = web_contents()->GetSiteInstance()->GetSiteURL();
   std::string partition_domain;
   std::string partition_id;
   bool in_memory;
   if (!GetGuestPartitionConfigForSite(
           site_url, &partition_domain, &partition_id, &in_memory)) {
     NOTREACHED();
@@ skipping 528 matching lines @@
 
   bool was_fullscreen = is_guest_fullscreen_;
   is_guest_fullscreen_ = is_fullscreen;
   // If the embedder entered fullscreen because of us, it should exit fullscreen
   // when we exit fullscreen.
   if (was_fullscreen && GuestMadeEmbedderFullscreen()) {
     // Dispatch a message so we can call document.webkitCancelFullscreen()
     // on the embedder.
     scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
     DispatchEventToView(
-        new GuestViewBase::Event(webview::kEventExitFullscreen, args.Pass()));
+        new GuestViewEvent(this, webview::kEventExitFullscreen, args.Pass()));
   }
   // Since we changed fullscreen state, sending a Resize message ensures that
   // renderer/ sees the change.
   web_contents()->GetRenderViewHost()->WasResized();
 }
 
 }  // namespace extensions