refactor: mojofy zoom api (#18608)

* refactor: mojofy zoom api

* remove unneeded #includes

* remove outdated comment

atom/browser/api/atom_api_web_contents.cc

@@ -252,21 +252,6 @@ void OnCapturePageDone(util::Promise promise, const SkBitmap& bitmap) {
 
 }  // namespace
 
-struct WebContents::FrameDispatchHelper {
-  WebContents* api_web_contents;
-  content::RenderFrameHost* rfh;
-
-  bool Send(IPC::Message* msg) { return rfh->Send(msg); }
-
-  void OnSetTemporaryZoomLevel(double level, IPC::Message* reply_msg) {
-    api_web_contents->OnSetTemporaryZoomLevel(rfh, level, reply_msg);
-  }
-
-  void OnGetZoomLevel(IPC::Message* reply_msg) {
-    api_web_contents->OnGetZoomLevel(rfh, reply_msg);
-  }
-};
-
 WebContents::WebContents(v8::Isolate* isolate,
                          content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents), type_(Type::REMOTE) {
@@ -1146,13 +1131,7 @@ bool WebContents::OnMessageReceived(const IPC::Message& message) {
 bool WebContents::OnMessageReceived(const IPC::Message& message,
                                     content::RenderFrameHost* frame_host) {
   bool handled = true;
-  FrameDispatchHelper helper = {this, frame_host};
   IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(WebContents, message, frame_host)
-    IPC_MESSAGE_FORWARD_DELAY_REPLY(
-        AtomFrameHostMsg_SetTemporaryZoomLevel, &helper,
-        FrameDispatchHelper::OnSetTemporaryZoomLevel)
-    IPC_MESSAGE_FORWARD_DELAY_REPLY(AtomFrameHostMsg_GetZoomLevel, &helper,
-                                    FrameDispatchHelper::OnGetZoomLevel)
 #if defined(TOOLKIT_VIEWS)
     IPC_MESSAGE_HANDLER(AtomAutofillFrameHostMsg_ShowPopup, ShowAutofillPopup)
     IPC_MESSAGE_HANDLER(AtomAutofillFrameHostMsg_HidePopup, HideAutofillPopup)
@@ -2044,20 +2023,12 @@ double WebContents::GetZoomFactor() const {
   return content::ZoomLevelToZoomFactor(level);
 }
 
-void WebContents::OnSetTemporaryZoomLevel(content::RenderFrameHost* rfh,
-                                          double level,
-                                          IPC::Message* reply_msg) {
+void WebContents::SetTemporaryZoomLevel(double level) {
   zoom_controller_->SetTemporaryZoomLevel(level);
-  double new_level = zoom_controller_->GetZoomLevel();
-  AtomFrameHostMsg_SetTemporaryZoomLevel::WriteReplyParams(reply_msg,
-                                                           new_level);
-  rfh->Send(reply_msg);
 }
 
-void WebContents::OnGetZoomLevel(content::RenderFrameHost* rfh,
-                                 IPC::Message* reply_msg) {
-  AtomFrameHostMsg_GetZoomLevel::WriteReplyParams(reply_msg, GetZoomLevel());
-  rfh->Send(reply_msg);
+void WebContents::DoGetZoomLevel(DoGetZoomLevelCallback callback) {
+  std::move(callback).Run(GetZoomLevel());
 }
 
 v8::Local<v8::Value> WebContents::GetPreloadPath(v8::Isolate* isolate) const {

atom/browser/api/atom_api_web_contents.h

@@ -474,7 +474,6 @@ class WebContents : public mate::TrackableObject<WebContents>,
 #endif
 
  private:
-  struct FrameDispatchHelper;
   AtomBrowserContext* GetBrowserContext() const;
 
   // Binds the given request for the ElectronBrowser API. When the
@@ -509,16 +508,12 @@ class WebContents : public mate::TrackableObject<WebContents>,
   void MessageHost(const std::string& channel, base::Value arguments) override;
   void UpdateDraggableRegions(
       std::vector<mojom::DraggableRegionPtr> regions) override;
+  void SetTemporaryZoomLevel(double level) override;
+  void DoGetZoomLevel(DoGetZoomLevelCallback callback) override;
 
   // Called when we receive a CursorChange message from chromium.
   void OnCursorChange(const content::WebCursor& cursor);
 
-  // Called when received a synchronous message from renderer to
-  // set temporary zoom level.
-  void OnSetTemporaryZoomLevel(content::RenderFrameHost* frame_host,
-                               double level,
-                               IPC::Message* reply_msg);
-
   // Called when received a synchronous message from renderer to
   // get the zoom level.
   void OnGetZoomLevel(content::RenderFrameHost* frame_host,

atom/common/api/api.mojom

@@ -59,4 +59,9 @@ interface ElectronBrowser {
 
   UpdateDraggableRegions(
     array<DraggableRegion> regions);
+
+  SetTemporaryZoomLevel(double zoom_level);
+
+  [Sync]
+  DoGetZoomLevel() => (double result);
 };

atom/common/api/api_messages.h

@@ -7,15 +7,9 @@
 #include "base/strings/string16.h"
 #include "base/values.h"
 #include "content/public/common/common_param_traits.h"
-#include "content/public/common/referrer.h"
 #include "ipc/ipc_message_macros.h"
-#include "ipc/ipc_platform_file.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
-#include "url/gurl.h"
-
-// The message starter should be declared in ipc/ipc_message_start.h. Since
-// we don't want to patch Chromium, we just pretend to be Content Shell.
 
 #define IPC_MESSAGE_START ElectronMsgStart
 
@@ -31,11 +25,3 @@ IPC_MESSAGE_ROUTED1(AtomAutofillFrameMsg_AcceptSuggestion,
 
 // Update renderer process preferences.
 IPC_MESSAGE_CONTROL1(AtomMsg_UpdatePreferences, base::ListValue)
-
-// Sent by renderer to set the temporary zoom level.
-IPC_SYNC_MESSAGE_ROUTED1_1(AtomFrameHostMsg_SetTemporaryZoomLevel,
-                           double /* zoom level */,
-                           double /* result */)
-
-// Sent by renderer to get the zoom level.
-IPC_SYNC_MESSAGE_ROUTED0_1(AtomFrameHostMsg_GetZoomLevel, double /* result */)

atom/renderer/api/atom_api_web_frame.cc

@@ -7,6 +7,7 @@
 #include <utility>
 #include <vector>
 
+#include "atom/common/api/api.mojom.h"
 #include "atom/common/api/api_messages.h"
 #include "atom/common/api/event_emitter_caller.h"
 #include "atom/common/native_mate_converters/blink_converter.h"
@@ -23,6 +24,7 @@
 #include "content/public/renderer/render_view.h"
 #include "native_mate/dictionary.h"
 #include "native_mate/object_template_builder.h"
+#include "services/service_manager/public/cpp/interface_provider.h"
 #include "third_party/blink/public/platform/web_cache.h"
 #include "third_party/blink/public/platform/web_isolated_world_info.h"
 #include "third_party/blink/public/web/web_custom_element.h"
@@ -201,25 +203,26 @@ void SetName(v8::Local<v8::Value> window, const std::string& name) {
       blink::WebString::FromUTF8(name));
 }
 
-double SetZoomLevel(v8::Local<v8::Value> window, double level) {
-  double result = 0.0;
+void SetZoomLevel(v8::Local<v8::Value> window, double level) {
   content::RenderFrame* render_frame = GetRenderFrame(window);
-  render_frame->Send(new AtomFrameHostMsg_SetTemporaryZoomLevel(
-      render_frame->GetRoutingID(), level, &result));
-  return result;
+  mojom::ElectronBrowserPtr browser_ptr;
+  render_frame->GetRemoteInterfaces()->GetInterface(
+      mojo::MakeRequest(&browser_ptr));
+  browser_ptr->SetTemporaryZoomLevel(level);
 }
 
 double GetZoomLevel(v8::Local<v8::Value> window) {
   double result = 0.0;
   content::RenderFrame* render_frame = GetRenderFrame(window);
-  render_frame->Send(
-      new AtomFrameHostMsg_GetZoomLevel(render_frame->GetRoutingID(), &result));
+  mojom::ElectronBrowserPtr browser_ptr;
+  render_frame->GetRemoteInterfaces()->GetInterface(
+      mojo::MakeRequest(&browser_ptr));
+  browser_ptr->DoGetZoomLevel(&result);
   return result;
 }
 
-double SetZoomFactor(v8::Local<v8::Value> window, double factor) {
-  return blink::WebView::ZoomLevelToZoomFactor(
-      SetZoomLevel(window, blink::WebView::ZoomFactorToZoomLevel(factor)));
+void SetZoomFactor(v8::Local<v8::Value> window, double factor) {
+  SetZoomLevel(window, blink::WebView::ZoomFactorToZoomLevel(factor));
 }
 
 double GetZoomFactor(v8::Local<v8::Value> window) {