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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/navigation_entry.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/common/devtools_messages.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/notification_type.h"
#include "googleurl/src/gurl.h"
DevToolsManager::DevToolsManager() : tab_contents_listeners_(NULL) {
}
DevToolsManager::~DevToolsManager() {
DCHECK(!tab_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::TAB_CONTENTS_DISCONNECTED);
if (type == NotificationType::TAB_CONTENTS_DISCONNECTED) {
Source<TabContents> src(source);
DevToolsClientHost* client_host = GetDevToolsClientHostFor(*src.ptr());
if (!client_host) {
return;
}
// Active tab contents disconnecting from its renderer means that the tab
// is closing.
client_host->InspectedTabClosing();
UnregisterDevToolsClientHost(client_host, &src->controller());
}
}
DevToolsClientHost* DevToolsManager::GetDevToolsClientHostFor(
const TabContents& tab_contents) {
const NavigationController& navigation_controller = tab_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(
TabContents& tab_contents,
DevToolsClientHost* client_host) {
DCHECK(!GetDevToolsClientHostFor(tab_contents));
NavigationController* navigation_controller = &tab_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(tab_contents.render_view_host());
}
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->tab_contents();
if (!tc) {
return;
}
RenderViewHost* target_host = tc->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) {
TabContents* tc = from.delegate()->GetAsTabContents();
DevToolsClientHost* target_host = GetDevToolsClientHostFor(*tc);
if (!target_host) {
// Client window was closed while there were messages
// being sent to it.
return;
}
target_host->SendMessageToClient(message);
}
void DevToolsManager::OpenDevToolsWindow(TabContents* wc) {
DevToolsClientHost* host = GetDevToolsClientHostFor(*wc);
if (!host) {
host = DevToolsWindow::Create();
RegisterDevToolsClientHostFor(*wc, host);
}
DevToolsWindow* window = host->AsDevToolsWindow();
if (window)
window->Show();
}
void DevToolsManager::InspectElement(TabContents* 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->tab_contents();
if (!tab_contents) {
return;
}
SendDetachToAgent(tab_contents->render_view_host());
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 (!tab_contents_listeners_.get()) {
tab_contents_listeners_.reset(new NotificationRegistrar);
tab_contents_listeners_->Add(
this,
NotificationType::TAB_CONTENTS_DISCONNECTED,
NotificationService::AllSources());
}
}
void DevToolsManager::StopListening(
NavigationController* navigation_controller) {
DCHECK(tab_contents_listeners_.get());
if (navcontroller_to_client_host_.empty()) {
DCHECK(client_host_to_navcontroller_.empty());
tab_contents_listeners_.reset();
}
}
void DevToolsManager::OnNavigatingToPendingEntry(const TabContents& wc,
RenderViewHost* target_host) {
DevToolsClientHost* client_host = GetDevToolsClientHostFor(wc);
if (client_host) {
const NavigationEntry& entry = *wc.controller().pending_entry();
client_host->SetInspectedTabUrl(entry.url().possibly_invalid_spec());
SendAttachToAgent(target_host);
}
}
void DevToolsManager::SendAttachToAgent(RenderViewHost* target_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(RenderViewHost* target_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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