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// Copyright (c) 2009 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 "chrome/browser/debugger/devtools_manager.h"
#include "chrome/browser/debugger/devtools_window.h"
#include "chrome/browser/debugger/devtools_client_host.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/tab_contents/web_contents.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/notification_type.h"
#include "chrome/renderer/devtools_messages.h"
DevToolsManager::DevToolsManager() : web_contents_listeners_(NULL) {
}
DevToolsManager::~DevToolsManager() {
DCHECK(!web_contents_listeners_.get()) <<
"All devtools client hosts must alredy have been destroyed.";
DCHECK(navcontroller_to_client_host_.empty());
DCHECK(client_host_to_navcontroller_.empty());
}
void DevToolsManager::Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
DCHECK(type == NotificationType::WEB_CONTENTS_DISCONNECTED ||
type == NotificationType::WEB_CONTENTS_SWAPPED);
if (type == NotificationType::WEB_CONTENTS_DISCONNECTED) {
Source<WebContents> src(source);
DevToolsClientHost* client_host = GetDevToolsClientHostFor(*src.ptr());
if (!client_host) {
return;
}
NavigationController* controller = src->controller();
bool active = (controller->active_contents() == src.ptr());
if (active) {
// Active tab contents disconnecting from its renderer means that the tab
// is closing.
client_host->InspectedTabClosing();
UnregisterDevToolsClientHost(client_host, controller);
}
} else if (type == NotificationType::WEB_CONTENTS_SWAPPED) {
Source<WebContents> src(source);
DevToolsClientHost* client_host = GetDevToolsClientHostFor(*src.ptr());
if (client_host) {
SendAttachToAgent(*src.ptr());
}
}
}
DevToolsClientHost* DevToolsManager::GetDevToolsClientHostFor(
const WebContents& web_contents) {
NavigationController* navigation_controller = web_contents.controller();
ClientHostMap::const_iterator it =
navcontroller_to_client_host_.find(navigation_controller);
if (it != navcontroller_to_client_host_.end()) {
return it->second;
}
return NULL;
}
void DevToolsManager::RegisterDevToolsClientHostFor(
const WebContents& web_contents,
DevToolsClientHost* client_host) {
DCHECK(!GetDevToolsClientHostFor(web_contents));
NavigationController* navigation_controller = web_contents.controller();
navcontroller_to_client_host_[navigation_controller] = client_host;
client_host_to_navcontroller_[client_host] = navigation_controller;
client_host->set_close_listener(this);
StartListening(navigation_controller);
SendAttachToAgent(web_contents);
}
void DevToolsManager::ForwardToDevToolsAgent(
const RenderViewHost& client_rvh,
const IPC::Message& message) {
for (ClientHostMap::const_iterator it =
navcontroller_to_client_host_.begin();
it != navcontroller_to_client_host_.end();
++it) {
DevToolsWindow* win = it->second->AsDevToolsWindow();
if (!win) {
continue;
}
if (win->HasRenderViewHost(client_rvh)) {
ForwardToDevToolsAgent(*win, message);
return;
}
}
}
void DevToolsManager::ForwardToDevToolsAgent(const DevToolsClientHost& from,
const IPC::Message& message) {
NavigationController* nav_controller =
GetDevToolsAgentNavigationController(from);
if (!nav_controller) {
NOTREACHED();
return;
}
// TODO(yurys): notify client that the agent is no longer available
TabContents* tc = nav_controller->active_contents();
if (!tc) {
return;
}
WebContents* wc = tc->AsWebContents();
if (!wc) {
return;
}
RenderViewHost* target_host = wc->render_view_host();
if (!target_host) {
return;
}
IPC::Message* m = new IPC::Message(message);
m->set_routing_id(target_host->routing_id());
target_host->Send(m);
}
void DevToolsManager::ForwardToDevToolsClient(const RenderViewHost& from,
const IPC::Message& message) {
WebContents* wc = from.delegate()->GetAsWebContents();
if (!wc) {
NOTREACHED();
return;
}
DevToolsClientHost* target_host = GetDevToolsClientHostFor(*wc);
if (!target_host) {
NOTREACHED();
return;
}
target_host->SendMessageToClient(message);
}
void DevToolsManager::OpenDevToolsWindow(WebContents* wc) {
DevToolsClientHost* host = GetDevToolsClientHostFor(*wc);
if (!host) {
host = DevToolsWindow::Create();
RegisterDevToolsClientHostFor(*wc, host);
}
DevToolsWindow* window = host->AsDevToolsWindow();
if (window)
window->Show();
}
void DevToolsManager::InspectElement(WebContents* wc, int x, int y) {
OpenDevToolsWindow(wc);
RenderViewHost* target_host = wc->render_view_host();
if (!target_host) {
return;
}
IPC::Message* m = new DevToolsAgentMsg_InspectElement(x, y);
m->set_routing_id(target_host->routing_id());
target_host->Send(m);
}
void DevToolsManager::ClientHostClosing(DevToolsClientHost* host) {
NavigationController* controller = GetDevToolsAgentNavigationController(
*host);
if (!controller) {
return;
}
TabContents* tab_contents = controller->active_contents();
if (!tab_contents) {
return;
}
WebContents* web_contents = tab_contents->AsWebContents();
if (!web_contents) {
return;
}
SendDetachToAgent(*web_contents);
UnregisterDevToolsClientHost(host, controller);
}
NavigationController* DevToolsManager::GetDevToolsAgentNavigationController(
const DevToolsClientHost& client_host) {
NavControllerMap::const_iterator it =
client_host_to_navcontroller_.find(&client_host);
if (it != client_host_to_navcontroller_.end()) {
return it->second;
}
return NULL;
}
void DevToolsManager::UnregisterDevToolsClientHost(
DevToolsClientHost* client_host,
NavigationController* controller) {
navcontroller_to_client_host_.erase(controller);
client_host_to_navcontroller_.erase(client_host);
StopListening(controller);
}
void DevToolsManager::StartListening(
NavigationController* navigation_controller) {
// TODO(yurys): add render host change listener
if (!web_contents_listeners_.get()) {
web_contents_listeners_.reset(new NotificationRegistrar);
web_contents_listeners_->Add(
this,
NotificationType::WEB_CONTENTS_DISCONNECTED,
NotificationService::AllSources());
web_contents_listeners_->Add(
this,
NotificationType::WEB_CONTENTS_SWAPPED,
NotificationService::AllSources());
}
}
void DevToolsManager::StopListening(
NavigationController* navigation_controller) {
DCHECK(web_contents_listeners_.get());
if (navcontroller_to_client_host_.empty()) {
DCHECK(client_host_to_navcontroller_.empty());
web_contents_listeners_.reset();
}
}
void DevToolsManager::SendAttachToAgent(const WebContents& wc) {
RenderViewHost* target_host = wc.render_view_host();
if (target_host) {
IPC::Message* m = new DevToolsAgentMsg_Attach();
m->set_routing_id(target_host->routing_id());
target_host->Send(m);
}
}
void DevToolsManager::SendDetachToAgent(const WebContents& wc) {
RenderViewHost* target_host = wc.render_view_host();
if (target_host) {
IPC::Message* m = new DevToolsAgentMsg_Detach();
m->set_routing_id(target_host->routing_id());
target_host->Send(m);
}
}
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