Add CefDisplayHandler::OnContentsSizeChange() notificiation (issue #341).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@330 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

include/cef.h

@@ -1264,6 +1264,15 @@ public:
                                CefRefPtr<CefFrame> frame,
                                const CefString& url) {}
 
+  ///
+  // Called when the size of the content area has changed.
+  ///
+  /*--cef()--*/
+  virtual void OnContentsSizeChange(CefRefPtr<CefBrowser> browser,
+                                    CefRefPtr<CefFrame> frame,
+                                    int width,
+                                    int height) {}
+
   ///
   // Called when the page title changes.
   ///

include/cef_capi.h

@@ -1076,6 +1076,13 @@ typedef struct _cef_display_handler_t
       struct _cef_browser_t* browser, struct _cef_frame_t* frame,
       const cef_string_t* url);
 
+  ///
+  // Called when the size of the content area has changed.
+  ///
+  void (CEF_CALLBACK *on_contents_size_change)(
+      struct _cef_display_handler_t* self, struct _cef_browser_t* browser,
+      struct _cef_frame_t* frame, int width, int height);
+
   ///
   // Called when the page title changes.
   ///

libcef/browser_webview_delegate.cc

@@ -950,11 +950,23 @@ void BrowserWebViewDelegate::willSendRequest(
   request.setRequestorID(browser_->UIT_GetUniqueID());
 }
 
+void BrowserWebViewDelegate::didChangeContentsSize(
+    WebFrame* frame, const WebSize& size) {
+  CefRefPtr<CefClient> client = browser_->GetClient();
+  if (client.get()) {
+    CefRefPtr<CefDisplayHandler> handler = client->GetDisplayHandler();
+    if (handler.get()) {
+      handler->OnContentsSizeChange(browser_, browser_->UIT_GetCefFrame(frame),
+          size.width, size.height);
+    }
+  }
+}
+
 void BrowserWebViewDelegate::reportFindInPageMatchCount(
     int request_id, int count, bool final_update)
 {
   browser_->UIT_NotifyFindStatus(request_id, count, gfx::Rect(),
-      -1,  // // Don't update active match ordinal.
+      -1,  // Don't update active match ordinal.
       final_update);
 }
 

libcef/browser_webview_delegate.h

@@ -180,6 +180,8 @@ class BrowserWebViewDelegate : public WebKit::WebViewClient,
   virtual void willSendRequest(
       WebKit::WebFrame*, unsigned identifier, WebKit::WebURLRequest&,
       const WebKit::WebURLResponse& redirectResponse) OVERRIDE;
+  virtual void didChangeContentsSize(
+      WebKit::WebFrame*, const WebKit::WebSize&) OVERRIDE;
   virtual void reportFindInPageMatchCount(
       int request_id, int count, bool final_update) OVERRIDE;
   virtual void reportFindInPageSelection(

libcef_dll/cpptoc/display_handler_cpptoc.cc

@@ -47,6 +47,21 @@ void CEF_CALLBACK display_handler_on_address_change(
       CefString(url));
 }
 
+void CEF_CALLBACK display_handler_on_contents_size_change(
+    struct _cef_display_handler_t* self, cef_browser_t* browser,
+    cef_frame_t* frame, int width, int height)
+{
+  DCHECK(self);
+  DCHECK(browser);
+  DCHECK(frame);
+  if (!self || !browser || !frame)
+    return;
+
+  CefDisplayHandlerCppToC::Get(self)->OnContentsSizeChange(
+      CefBrowserCToCpp::Wrap(browser), CefFrameCToCpp::Wrap(frame), width,
+      height);
+}
+
 void CEF_CALLBACK display_handler_on_title_change(
     struct _cef_display_handler_t* self, cef_browser_t* browser,
     const cef_string_t* title)
@@ -109,6 +124,8 @@ CefDisplayHandlerCppToC::CefDisplayHandlerCppToC(CefDisplayHandler* cls)
 {
   struct_.struct_.on_nav_state_change = display_handler_on_nav_state_change;
   struct_.struct_.on_address_change = display_handler_on_address_change;
+  struct_.struct_.on_contents_size_change =
+      display_handler_on_contents_size_change;
   struct_.struct_.on_title_change = display_handler_on_title_change;
   struct_.struct_.on_tooltip = display_handler_on_tooltip;
   struct_.struct_.on_status_message = display_handler_on_status_message;

libcef_dll/ctocpp/display_handler_ctocpp.cc

@@ -37,6 +37,17 @@ void CefDisplayHandlerCToCpp::OnAddressChange(CefRefPtr<CefBrowser> browser,
       CefFrameCppToC::Wrap(frame), url.GetStruct());
 }
 
+void CefDisplayHandlerCToCpp::OnContentsSizeChange(
+    CefRefPtr<CefBrowser> browser, CefRefPtr<CefFrame> frame, int width,
+    int height)
+{
+  if (CEF_MEMBER_MISSING(struct_, on_contents_size_change))
+    return;
+
+  struct_->on_contents_size_change(struct_, CefBrowserCppToC::Wrap(browser),
+      CefFrameCppToC::Wrap(frame), width, height);
+}
+
 void CefDisplayHandlerCToCpp::OnTitleChange(CefRefPtr<CefBrowser> browser,
     const CefString& title)
 {

libcef_dll/ctocpp/display_handler_ctocpp.h

@@ -37,6 +37,8 @@ public:
       bool canGoForward) OVERRIDE;
   virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,
       CefRefPtr<CefFrame> frame, const CefString& url) OVERRIDE;
+  virtual void OnContentsSizeChange(CefRefPtr<CefBrowser> browser,
+      CefRefPtr<CefFrame> frame, int width, int height) OVERRIDE;
   virtual void OnTitleChange(CefRefPtr<CefBrowser> browser,
       const CefString& title) OVERRIDE;
   virtual bool OnTooltip(CefRefPtr<CefBrowser> browser,