Propagate pageScaleFactor to GuestViews

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 619 matching lines @@
     IPC_MESSAGE_HANDLER(ViewHostMsg_DidFirstVisuallyNonEmptyPaint,
                         OnFirstVisuallyNonEmptyPaint)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidLoadResourceFromMemoryCache,
                         OnDidLoadResourceFromMemoryCache)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidDisplayInsecureContent,
                         OnDidDisplayInsecureContent)
     IPC_MESSAGE_HANDLER(FrameHostMsg_DidRunInsecureContent,
                         OnDidRunInsecureContent)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GoToEntryAtOffset, OnGoToEntryAtOffset)
     IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateZoomLimits, OnUpdateZoomLimits)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_PageScaleFactorChanged,
+                        OnPageScaleFactorChanged)
     IPC_MESSAGE_HANDLER(ViewHostMsg_EnumerateDirectory, OnEnumerateDirectory)
     IPC_MESSAGE_HANDLER(FrameHostMsg_RegisterProtocolHandler,
                         OnRegisterProtocolHandler)
     IPC_MESSAGE_HANDLER(FrameHostMsg_UnregisterProtocolHandler,
                         OnUnregisterProtocolHandler)
     IPC_MESSAGE_HANDLER(FrameHostMsg_UpdatePageImportanceSignals,
                         OnUpdatePageImportanceSignals)
     IPC_MESSAGE_HANDLER(ViewHostMsg_Find_Reply, OnFindReply)
     IPC_MESSAGE_HANDLER(ViewHostMsg_AppCacheAccessed, OnAppCacheAccessed)
     IPC_MESSAGE_HANDLER(ViewHostMsg_WebUISend, OnWebUISend)
@@ skipping 1965 matching lines @@
 }
 
 int WebContentsImpl::GetMinimumZoomPercent() const {
   return minimum_zoom_percent_;
 }
 
 int WebContentsImpl::GetMaximumZoomPercent() const {
   return maximum_zoom_percent_;
 }
 
+void WebContentsImpl::SetPageScale(float page_scale_factor) {
+  Send(new ViewMsg_SetPageScale(GetRoutingID(), page_scale_factor));
+}
+
 void WebContentsImpl::ResetPageScale() {
   Send(new ViewMsg_ResetPageScale(GetRoutingID()));
 }
 
 gfx::Size WebContentsImpl::GetPreferredSize() const {
   return capturer_count_ == 0 ? preferred_size_ : preferred_size_for_capture_;
 }
 
 bool WebContentsImpl::GotResponseToLockMouseRequest(bool allowed) {
   if (GetBrowserPluginGuest())
@@ skipping 478 matching lines @@
   if (!delegate_ || delegate_->OnGoToEntryOffset(offset))
     controller_.GoToOffset(offset);
 }
 
 void WebContentsImpl::OnUpdateZoomLimits(int minimum_percent,
                                          int maximum_percent) {
   minimum_zoom_percent_ = minimum_percent;
   maximum_zoom_percent_ = maximum_percent;
 }
 
+void WebContentsImpl::OnPageScaleFactorChanged(float page_scale_factor) {
+  FOR_EACH_OBSERVER(WebContentsObserver,
+                    observers_,
+                    OnPageScaleFactorChanged(page_scale_factor));
+}
+
 void WebContentsImpl::OnEnumerateDirectory(int request_id,
                                            const base::FilePath& path) {
   if (!delegate_)
     return;
 
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   if (policy->CanReadFile(GetRenderProcessHost()->GetID(), path))
     delegate_->EnumerateDirectory(this, request_id, path);
 }
@@ skipping 1510 matching lines @@
   return NULL;
 }
 
 void WebContentsImpl::SetForceDisableOverscrollContent(bool force_disable) {
   force_disable_overscroll_content_ = force_disable;
   if (view_)
     view_->SetOverscrollControllerEnabled(CanOverscrollContent());
 }
 
 }  // namespace content