cef/tests/shared/renderer/client_app_renderer.cc
Marshall Greenblatt 241941a44a Move message routing from CefBrowser to CefFrame (see issue #2498).
This change moves the SendProcessMessage method from CefBrowser to CefFrame and
adds CefBrowser parameters to OnProcessMessageReceived and
OnDraggableRegionsChanged.

The internal implementation has changed as follows:
- Frame IDs are now a 64-bit combination of the 32-bit render_process_id and
  render_routing_id values that uniquely identify a RenderFrameHost (RFH).
- CefFrameHostImpl objects are now managed by CefBrowserInfo with life span tied
  to RFH expectations. Specifically, a CefFrameHostImpl object representing a
  sub-frame will be created when a RenderFrame is created in the renderer
  process and detached when the associated RenderFrame is deleted or the
  renderer process in which it runs has died.
- The CefFrameHostImpl object representing the main frame will always be valid
  but the underlying RFH (and associated frame ID) may change over time as a
  result of cross-origin navigations. Despite these changes calling LoadURL on
  the main frame object in the browser process will always navigate as expected.
- Speculative RFHs, which may be created as a result of a cross-origin
  navigation and discarded if that navigation is not committed, are now handled
  correctly (e.g. ignored in most cases until they're committed).
- It is less likely, but still possible, to receive a CefFrame object with an
  invalid frame ID (ID < 0). This can happen in cases where a RFH has not yet
  been created for a sub-frame. For example, when OnBeforeBrowse is called
  before initiating navigation in a previously nonexisting sub-frame.

To test: All tests pass with NetworkService enabled and disabled.
2019-05-29 17:44:56 +03:00

107 lines
3.6 KiB
C++

// Copyright (c) 2013 The Chromium Embedded Framework 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 "tests/shared/renderer/client_app_renderer.h"
#include "include/base/cef_logging.h"
namespace client {
ClientAppRenderer::ClientAppRenderer() {
CreateDelegates(delegates_);
}
void ClientAppRenderer::OnRenderThreadCreated(
CefRefPtr<CefListValue> extra_info) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnRenderThreadCreated(this, extra_info);
}
void ClientAppRenderer::OnWebKitInitialized() {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnWebKitInitialized(this);
}
void ClientAppRenderer::OnBrowserCreated(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefDictionaryValue> extra_info) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnBrowserCreated(this, browser, extra_info);
}
void ClientAppRenderer::OnBrowserDestroyed(CefRefPtr<CefBrowser> browser) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnBrowserDestroyed(this, browser);
}
CefRefPtr<CefLoadHandler> ClientAppRenderer::GetLoadHandler() {
CefRefPtr<CefLoadHandler> load_handler;
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end() && !load_handler.get(); ++it)
load_handler = (*it)->GetLoadHandler(this);
return load_handler;
}
void ClientAppRenderer::OnContextCreated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnContextCreated(this, browser, frame, context);
}
void ClientAppRenderer::OnContextReleased(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnContextReleased(this, browser, frame, context);
}
void ClientAppRenderer::OnUncaughtException(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context,
CefRefPtr<CefV8Exception> exception,
CefRefPtr<CefV8StackTrace> stackTrace) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it) {
(*it)->OnUncaughtException(this, browser, frame, context, exception,
stackTrace);
}
}
void ClientAppRenderer::OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefDOMNode> node) {
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end(); ++it)
(*it)->OnFocusedNodeChanged(this, browser, frame, node);
}
bool ClientAppRenderer::OnProcessMessageReceived(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) {
DCHECK_EQ(source_process, PID_BROWSER);
bool handled = false;
DelegateSet::iterator it = delegates_.begin();
for (; it != delegates_.end() && !handled; ++it) {
handled = (*it)->OnProcessMessageReceived(this, browser, frame,
source_process, message);
}
return handled;
}
} // namespace client