Implement "Save image as" for canvas (chromium side).

content/renderer/render_view_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/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1076 matching lines @@
     IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand)
     IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret)
     IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect,
                         OnScrollFocusedEditableNodeIntoRect)
     IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent,
                         OnSetEditCommandsForNextKeyEvent)
     IPC_MESSAGE_HANDLER(FrameMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
     IPC_MESSAGE_HANDLER(ViewMsg_SetName, OnSetName)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt)
+    IPC_MESSAGE_HANDLER(ViewMsg_SaveImageAt, OnSaveImageAt)
     IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind)
     IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding)
     IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom)
     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevel, OnSetZoomLevel)
     IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL,
                         OnSetZoomLevelForLoadingURL)
     IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding)
     IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault,
                         OnResetPageEncodingToDefault)
     IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent)
@@ skipping 125 matching lines @@
   if (webview())
     webview()->mainFrame()->stopLoading();
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnStop());
   main_render_frame_->OnStop();
 }
 
 void RenderViewImpl::OnCopyImageAt(int x, int y) {
   webview()->copyImageAt(WebPoint(x, y));
 }
 
+void RenderViewImpl::OnSaveImageAt(int x, int y) {
+  webview()->saveImageAt(WebPoint(x, y));
+}
+
 void RenderViewImpl::OnUpdateTargetURLAck() {
   // Check if there is a targeturl waiting to be sent.
   if (target_url_status_ == TARGET_PENDING) {
     Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_,
                                          pending_target_url_));
   }
 
   target_url_status_ = TARGET_NONE;
 }
 
@@ skipping 3112 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content