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// Copyright (c) 2011 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 "content/browser/tab_contents/tab_contents_observer.h"
#include "content/browser/renderer_host/render_view_host.h"
#include "content/browser/tab_contents/navigation_details.h"
#include "content/browser/tab_contents/tab_contents.h"
void TabContentsObserver::RenderViewCreated(RenderViewHost* render_view_host) {
}
void TabContentsObserver::NavigateToPendingEntry(
const GURL& url,
NavigationController::ReloadType reload_type) {
}
void TabContentsObserver::DidNavigateMainFramePostCommit(
const content::LoadCommittedDetails& details,
const ViewHostMsg_FrameNavigate_Params& params) {
}
void TabContentsObserver::DidNavigateAnyFramePostCommit(
const content::LoadCommittedDetails& details,
const ViewHostMsg_FrameNavigate_Params& params) {
}
void TabContentsObserver::DidStartProvisionalLoadForFrame(
int64 frame_id,
bool is_main_frame,
const GURL& validated_url,
bool is_error_page,
RenderViewHost* render_view_host) {
}
void TabContentsObserver::ProvisionalChangeToMainFrameUrl(
const GURL& url,
bool has_opener_set) {
}
void TabContentsObserver::DidCommitProvisionalLoadForFrame(
int64 frame_id,
bool is_main_frame,
const GURL& url,
PageTransition::Type transition_type) {
}
void TabContentsObserver::DidFailProvisionalLoad(int64 frame_id,
bool is_main_frame,
const GURL& validated_url,
int error_code) {
}
void TabContentsObserver::DocumentLoadedInFrame(int64 frame_id) {
}
void TabContentsObserver::DidFinishLoad(int64 frame_id) {
}
void TabContentsObserver::DidGetUserGesture() {
}
void TabContentsObserver::DidGetIgnoredUIEvent() {
}
void TabContentsObserver::DidBecomeSelected() {
}
void TabContentsObserver::DidStartLoading() {
}
void TabContentsObserver::DidStopLoading() {
}
void TabContentsObserver::RenderViewGone() {
}
void TabContentsObserver::StopNavigation() {
}
void TabContentsObserver::DidOpenURL(const GURL& url,
const GURL& referrer,
WindowOpenDisposition disposition,
PageTransition::Type transition) {
}
void TabContentsObserver::DidOpenRequestedURL(TabContents* new_contents,
const GURL& url,
const GURL& referrer,
WindowOpenDisposition disposition,
PageTransition::Type transition,
int64 source_frame_id) {
}
void TabContentsObserver::AppCacheAccessed(const GURL& manifest_url,
bool blocked_by_policy) {
}
TabContentsObserver::TabContentsObserver(TabContents* tab_contents)
: tab_contents_(NULL), routing_id_(MSG_ROUTING_NONE) {
Observe(tab_contents);
}
TabContentsObserver::TabContentsObserver()
: tab_contents_(NULL), routing_id_(MSG_ROUTING_NONE) {
}
TabContentsObserver::~TabContentsObserver() {
if (tab_contents_)
tab_contents_->RemoveObserver(this);
}
void TabContentsObserver::Observe(TabContents* tab_contents) {
if (tab_contents_)
tab_contents_->RemoveObserver(this);
tab_contents_ = tab_contents;
if (tab_contents_) {
routing_id_ = tab_contents->render_view_host()->routing_id();
tab_contents_->AddObserver(this);
}
}
void TabContentsObserver::TabContentsDestroyed(TabContents* tab) {
}
bool TabContentsObserver::OnMessageReceived(const IPC::Message& message) {
return false;
}
bool TabContentsObserver::Send(IPC::Message* message) {
if (!tab_contents_ || !tab_contents_->render_view_host()) {
delete message;
return false;
}
return tab_contents_->render_view_host()->Send(message);
}
int TabContentsObserver::routing_id() const {
if (!tab_contents_ || !tab_contents_->render_view_host())
return MSG_ROUTING_NONE;
return tab_contents_->render_view_host()->routing_id();
}
void TabContentsObserver::TabContentsDestroyed() {
// Do cleanup so that 'this' can safely be deleted from
// TabContentsDestroyed.
tab_contents_->RemoveObserver(this);
TabContents* tab = tab_contents_;
tab_contents_ = NULL;
TabContentsDestroyed(tab);
}
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