cef/tests/ceftests/routing_test_handler.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

108 lines
3.8 KiB
C++

// Copyright (c) 2014 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/ceftests/routing_test_handler.h"
#include "tests/shared/renderer/client_app_renderer.h"
using client::ClientAppRenderer;
namespace {
void SetRouterConfig(CefMessageRouterConfig& config) {
config.js_query_function = "testQuery";
config.js_cancel_function = "testQueryCancel";
}
// Handle the renderer side of the routing implementation.
class RoutingRenderDelegate : public ClientAppRenderer::Delegate {
public:
RoutingRenderDelegate() {}
void OnWebKitInitialized(CefRefPtr<ClientAppRenderer> app) override {
// Create the renderer-side router for query handling.
CefMessageRouterConfig config;
SetRouterConfig(config);
message_router_ = CefMessageRouterRendererSide::Create(config);
}
void OnContextCreated(CefRefPtr<ClientAppRenderer> app,
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) override {
message_router_->OnContextCreated(browser, frame, context);
}
void OnContextReleased(CefRefPtr<ClientAppRenderer> app,
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context) override {
message_router_->OnContextReleased(browser, frame, context);
}
bool OnProcessMessageReceived(CefRefPtr<ClientAppRenderer> app,
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) override {
return message_router_->OnProcessMessageReceived(browser, frame,
source_process, message);
}
private:
CefRefPtr<CefMessageRouterRendererSide> message_router_;
IMPLEMENT_REFCOUNTING(RoutingRenderDelegate);
};
} // namespace
RoutingTestHandler::RoutingTestHandler() {}
void RoutingTestHandler::OnAfterCreated(CefRefPtr<CefBrowser> browser) {
if (!message_router_.get()) {
// Create the browser-side router for query handling.
CefMessageRouterConfig config;
SetRouterConfig(config);
message_router_ = CefMessageRouterBrowserSide::Create(config);
message_router_->AddHandler(this, false);
}
TestHandler::OnAfterCreated(browser);
}
void RoutingTestHandler::OnBeforeClose(CefRefPtr<CefBrowser> browser) {
message_router_->OnBeforeClose(browser);
TestHandler::OnBeforeClose(browser);
}
void RoutingTestHandler::OnRenderProcessTerminated(
CefRefPtr<CefBrowser> browser,
TerminationStatus status) {
message_router_->OnRenderProcessTerminated(browser);
}
bool RoutingTestHandler::OnBeforeBrowse(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefRequest> request,
bool user_gesture,
bool is_redirect) {
message_router_->OnBeforeBrowse(browser, frame);
return false;
}
bool RoutingTestHandler::OnProcessMessageReceived(
CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefProcessId source_process,
CefRefPtr<CefProcessMessage> message) {
return message_router_->OnProcessMessageReceived(browser, frame,
source_process, message);
}
// Entry point for creating the test delegate.
// Called from client_app_delegates.cc.
void CreateRoutingTestHandlerDelegate(
ClientAppRenderer::DelegateSet& delegates) {
delegates.insert(new RoutingRenderDelegate);
}