Add new CefBrowser::GetIdentifier method (issue #811).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@953 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

cef1/include/capi/cef_browser_capi.h

@@ -122,6 +122,11 @@ typedef struct _cef_browser_t {
   cef_window_handle_t (CEF_CALLBACK *get_opener_window_handle)(
       struct _cef_browser_t* self);
 
+  ///
+  // Returns the globally unique identifier for this browser.
+  ///
+  int (CEF_CALLBACK *get_identifier)(struct _cef_browser_t* self);
+
   ///
   // Returns true (1) if the window is a popup window.
   ///

cef1/include/cef_browser.h

@@ -147,6 +147,12 @@ class CefBrowser : public virtual CefBase {
   /*--cef()--*/
   virtual CefWindowHandle GetOpenerWindowHandle() =0;
 
+  ///
+  // Returns the globally unique identifier for this browser.
+  ///
+  /*--cef()--*/
+  virtual int GetIdentifier() =0;
+
   ///
   // Returns true if the window is a popup window.
   ///

cef1/libcef/browser_impl.cc

@@ -170,7 +170,7 @@ CefBrowserImpl::CefBrowserImpl(const CefWindowInfo& windowInfo,
     has_document_(false),
     is_dropping_(false),
     is_in_onsetfocus_(false),
-    unique_id_(0)
+    browser_id_(_Context->GetNextBrowserID())
 #if defined(OS_WIN)
     , opener_was_disabled_by_modal_loop_(false),
     internal_modal_message_loop_is_active_(false)

cef1/libcef/browser_impl.h

@@ -83,6 +83,7 @@ class CefBrowserImpl : public CefBrowser {
   virtual CefWindowHandle GetWindowHandle() OVERRIDE;
   virtual CefWindowHandle GetOpenerWindowHandle() OVERRIDE
       { return opener_window(); }
+  virtual int GetIdentifier() OVERRIDE { return browser_id(); }
   virtual bool IsPopup() OVERRIDE { return is_popup(); }
   virtual bool HasDocument() OVERRIDE { return has_document(); }
   virtual CefRefPtr<CefClient> GetClient() OVERRIDE { return client_; }
@@ -303,9 +304,6 @@ class CefBrowserImpl : public CefBrowser {
                      const gfx::Size& canvas_size, WebKit::WebFrame* frame);
   int UIT_GetPagesCount(WebKit::WebFrame* frame);
 
-  void UIT_SetUniqueID(int id) { unique_id_ = id; }
-  int UIT_GetUniqueID() { return unique_id_; }
-
   void UIT_Find(int identifier, const CefString& search_text,
                 const WebKit::WebFindOptions& options);
   void UIT_StopFinding(bool clear_selection);
@@ -328,6 +326,7 @@ class CefBrowserImpl : public CefBrowser {
   // These variables are read-only.
   const CefBrowserSettings& settings() const { return settings_; }
   gfx::NativeView opener_window() { return opener_; }
+  int browser_id() const { return browser_id_; }
   bool is_popup() { return (opener_ != NULL); }
 
   // These variables may be read/written from multiple threads.
@@ -425,8 +424,8 @@ class CefBrowserImpl : public CefBrowser {
       FrameObjectMap;
   FrameObjectMap frame_objects_;
 
-  // Unique browser ID assigned by the context.
-  int unique_id_;
+  // Globally unique identifier for this browser.
+  int browser_id_;
 
   IMPLEMENT_REFCOUNTING(CefBrowserImpl);
   IMPLEMENT_LOCKING(CefBrowserImpl);
@@ -491,7 +490,7 @@ class CefFrameImpl : public CefFrame {
  private:
   CefRefPtr<CefBrowserImpl> browser_;
   CefString name_;
-  
+
   // The below values must be protected by the lock.
   base::Lock lock_;
   int64 id_;

cef1/libcef/browser_webview_delegate.cc

@@ -190,7 +190,7 @@ WebKit::WebGraphicsContext3D* BrowserWebViewDelegate::createGraphicsContext3D(
   WebKit::WebView* web_view = browser_->UIT_GetWebView();
   if (!web_view)
     return NULL;
-      
+
   const CefSettings& settings = _Context->settings();
   return webkit_glue::CreateGraphicsContext3D(settings.graphics_implementation,
       attributes, web_view, true);
@@ -981,7 +981,7 @@ void BrowserWebViewDelegate::willSendRequest(
 
   // The requestor ID is used by the resource loader bridge to locate the
   // browser that originated the request.
-  request.setRequestorID(browser_->UIT_GetUniqueID());
+  request.setRequestorID(browser_->browser_id());
 }
 
 void BrowserWebViewDelegate::didChangeContentsSize(

cef1/libcef/cef_context.cc

@@ -34,10 +34,6 @@ CefRefPtr<CefContext> _Context;
 
 namespace {
 
-// Both the CefContext constuctor and the CefContext::RemoveBrowser method need
-// to initialize or reset to the same value.
-const int kNextBrowserIdReset = 1;
-
 // Used in multi-threaded message loop mode to observe shutdown of the UI
 // thread.
 class DestructionObserver : public MessageLoop::DestructionObserver {
@@ -226,7 +222,6 @@ CefContext::CefContext()
   : initialized_(false),
     shutting_down_(false),
     request_context_(NULL),
-    next_browser_id_(kNextBrowserIdReset),
     current_webviewhost_(NULL),
     dev_tools_client_count_(0) {
 }
@@ -308,30 +303,17 @@ void CefContext::Shutdown() {
   }
 }
 
-bool CefContext::AddBrowser(CefRefPtr<CefBrowserImpl> browser) {
-  bool found = false;
-
-  AutoLock lock_scope(this);
-
-  // check that the browser isn't already in the list before adding
-  BrowserList::const_iterator it = browserlist_.begin();
-  for (; it != browserlist_.end(); ++it) {
-    if (it->get() == browser.get()) {
-      found = true;
-      break;
-    }
-  }
-
-  if (!found) {
-    browser->UIT_SetUniqueID(next_browser_id_++);
-    browserlist_.push_back(browser);
-  }
-
-  return !found;
+int CefContext::GetNextBrowserID() {
+  return next_browser_id_.GetNext() + 1;
 }
 
-bool CefContext::RemoveBrowser(CefRefPtr<CefBrowserImpl> browser) {
-  bool deleted = false;
+void CefContext::AddBrowser(CefRefPtr<CefBrowserImpl> browser) {
+  AutoLock lock_scope(this);
+
+  browserlist_.push_back(browser);
+}
+
+void CefContext::RemoveBrowser(CefRefPtr<CefBrowserImpl> browser) {
   bool empty = false;
 
   {
@@ -341,15 +323,12 @@ bool CefContext::RemoveBrowser(CefRefPtr<CefBrowserImpl> browser) {
     for (; it != browserlist_.end(); ++it) {
       if (it->get() == browser.get()) {
         browserlist_.erase(it);
-        deleted = true;
         break;
       }
     }
 
-    if (browserlist_.empty()) {
-      next_browser_id_ = kNextBrowserIdReset;
+    if (browserlist_.empty())
       empty = true;
-    }
   }
 
   if (empty) {
@@ -360,8 +339,6 @@ bool CefContext::RemoveBrowser(CefRefPtr<CefBrowserImpl> browser) {
           base::Bind(webkit_glue::ClearCache));
     }
   }
-
-  return deleted;
 }
 
 CefRefPtr<CefBrowserImpl> CefContext::GetBrowserByID(int id) {
@@ -369,7 +346,7 @@ CefRefPtr<CefBrowserImpl> CefContext::GetBrowserByID(int id) {
 
   BrowserList::const_iterator it = browserlist_.begin();
   for (; it != browserlist_.end(); ++it) {
-    if (it->get()->UIT_GetUniqueID() == id)
+    if (it->get()->browser_id() == id)
       return it->get();
   }
 

cef1/libcef/cef_context.h

@@ -17,6 +17,7 @@
 #include "libcef/cef_process.h"
 
 #include "base/at_exit.h"
+#include "base/atomic_sequence_num.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/files/scoped_temp_dir.h"
@@ -49,8 +50,9 @@ class CefContext : public CefBase {
 
   CefProcess* process() { return process_.get(); }
 
-  bool AddBrowser(CefRefPtr<CefBrowserImpl> browser);
-  bool RemoveBrowser(CefRefPtr<CefBrowserImpl> browser);
+  int GetNextBrowserID();
+  void AddBrowser(CefRefPtr<CefBrowserImpl> browser);
+  void RemoveBrowser(CefRefPtr<CefBrowserImpl> browser);
   CefRefPtr<CefBrowserImpl> GetBrowserByID(int id);
   BrowserList* GetBrowserList() { return &browserlist_; }
 
@@ -131,7 +133,7 @@ class CefContext : public CefBase {
   BrowserList browserlist_;
 
   // Used for assigning unique IDs to browser instances.
-  int next_browser_id_;
+  base::AtomicSequenceNumber next_browser_id_;
 
   WebViewHost* current_webviewhost_;
 

cef1/libcef_dll/cpptoc/browser_cpptoc.cc

@@ -256,6 +256,20 @@ cef_window_handle_t CEF_CALLBACK browser_get_opener_window_handle(
   return _retval;
 }
 
+int CEF_CALLBACK browser_get_identifier(struct _cef_browser_t* self) {
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  DCHECK(self);
+  if (!self)
+    return 0;
+
+  // Execute
+  int _retval = CefBrowserCppToC::Get(self)->GetIdentifier();
+
+  // Return type: simple
+  return _retval;
+}
+
 int CEF_CALLBACK browser_is_popup(struct _cef_browser_t* self) {
   // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
 
@@ -733,6 +747,7 @@ CefBrowserCppToC::CefBrowserCppToC(CefBrowser* cls)
   struct_.struct_.set_focus = browser_set_focus;
   struct_.struct_.get_window_handle = browser_get_window_handle;
   struct_.struct_.get_opener_window_handle = browser_get_opener_window_handle;
+  struct_.struct_.get_identifier = browser_get_identifier;
   struct_.struct_.is_popup = browser_is_popup;
   struct_.struct_.has_document = browser_has_document;
   struct_.struct_.get_client = browser_get_client;

cef1/libcef_dll/ctocpp/browser_ctocpp.cc

@@ -198,6 +198,19 @@ CefWindowHandle CefBrowserCToCpp::GetOpenerWindowHandle() {
   return _retval;
 }
 
+int CefBrowserCToCpp::GetIdentifier() {
+  if (CEF_MEMBER_MISSING(struct_, get_identifier))
+    return 0;
+
+  // AUTO-GENERATED CONTENT - DELETE THIS COMMENT BEFORE MODIFYING
+
+  // Execute
+  int _retval = struct_->get_identifier(struct_);
+
+  // Return type: simple
+  return _retval;
+}
+
 bool CefBrowserCToCpp::IsPopup() {
   if (CEF_MEMBER_MISSING(struct_, is_popup))
     return false;

cef1/libcef_dll/ctocpp/browser_ctocpp.h

@@ -47,6 +47,7 @@ class CefBrowserCToCpp
   virtual void SetFocus(bool enable) OVERRIDE;
   virtual CefWindowHandle GetWindowHandle() OVERRIDE;
   virtual CefWindowHandle GetOpenerWindowHandle() OVERRIDE;
+  virtual int GetIdentifier() OVERRIDE;
   virtual bool IsPopup() OVERRIDE;
   virtual bool HasDocument() OVERRIDE;
   virtual CefRefPtr<CefClient> GetClient() OVERRIDE;