blob: 8f2128db8f3091c0ff6e4fb5c0b436dd3b41a714 [file] [log] [blame]
// Copyright (c) 2012 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/public/browser/web_contents_observer.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/render_view_host.h"
namespace content {
WebContentsObserver::WebContentsObserver(WebContents* web_contents)
: web_contents_(nullptr) {
Observe(web_contents);
}
WebContentsObserver::WebContentsObserver()
: web_contents_(nullptr) {
}
WebContentsObserver::~WebContentsObserver() {
if (web_contents_)
web_contents_->RemoveObserver(this);
}
WebContentsObserver::MediaPlayerId::MediaPlayerId(
RenderFrameHost* render_frame_host,
int delegate_id)
: render_frame_host(render_frame_host), delegate_id(delegate_id) {}
WebContentsObserver::MediaPlayerId
WebContentsObserver::MediaPlayerId::createMediaPlayerIdForTests() {
return WebContentsObserver::MediaPlayerId();
}
bool WebContentsObserver::MediaPlayerId::operator==(
WebContentsObserver::MediaPlayerId const& other) const {
return render_frame_host == other.render_frame_host &&
delegate_id == other.delegate_id;
}
bool WebContentsObserver::MediaPlayerId::operator!=(
const MediaPlayerId& other) const {
return render_frame_host != other.render_frame_host ||
delegate_id != other.delegate_id;
}
bool WebContentsObserver::MediaPlayerId::operator<(
const MediaPlayerId& other) const {
if (render_frame_host == other.render_frame_host)
return delegate_id < other.delegate_id;
return render_frame_host < other.render_frame_host;
}
WebContents* WebContentsObserver::web_contents() const {
return web_contents_;
}
void WebContentsObserver::Observe(WebContents* web_contents) {
if (web_contents == web_contents_) {
// Early exit to avoid infinite loops if we're in the middle of a callback.
return;
}
if (web_contents_)
web_contents_->RemoveObserver(this);
web_contents_ = static_cast<WebContentsImpl*>(web_contents);
if (web_contents_) {
web_contents_->AddObserver(this);
}
}
bool WebContentsObserver::OnMessageReceived(
const IPC::Message& message,
RenderFrameHost* render_frame_host) {
return false;
}
bool WebContentsObserver::OnMessageReceived(const IPC::Message& message) {
return false;
}
void WebContentsObserver::ResetWebContents() {
web_contents_->RemoveObserver(this);
web_contents_ = nullptr;
}
} // namespace content