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// Copyright 2014 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/screen_orientation/screen_orientation_dispatcher_host_impl.h"
#include "content/common/screen_orientation_messages.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/screen_orientation_provider.h"
#include "content/public/browser/web_contents.h"
#include "third_party/WebKit/public/platform/WebScreenInfo.h"
namespace content {
ScreenOrientationDispatcherHostImpl::LockInformation::LockInformation(
int request_id, int process_id, int routing_id)
: request_id(request_id),
process_id(process_id),
routing_id(routing_id) {
}
ScreenOrientationDispatcherHostImpl::ScreenOrientationDispatcherHostImpl(
WebContents* web_contents)
: WebContentsObserver(web_contents),
current_lock_(NULL) {
provider_.reset(new ScreenOrientationProvider(this, web_contents));
}
ScreenOrientationDispatcherHostImpl::~ScreenOrientationDispatcherHostImpl() {
ResetCurrentLock();
}
void ScreenOrientationDispatcherHostImpl::ResetCurrentLock() {
if (current_lock_) {
delete current_lock_;
current_lock_ = 0;
}
}
bool ScreenOrientationDispatcherHostImpl::OnMessageReceived(
const IPC::Message& message,
RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(ScreenOrientationDispatcherHostImpl, message,
render_frame_host)
IPC_MESSAGE_HANDLER(ScreenOrientationHostMsg_LockRequest, OnLockRequest)
IPC_MESSAGE_HANDLER(ScreenOrientationHostMsg_Unlock, OnUnlockRequest)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void ScreenOrientationDispatcherHostImpl::DidNavigateMainFrame(
const LoadCommittedDetails& details, const FrameNavigateParams& params) {
if (!provider_ || details.is_in_page)
return;
provider_->UnlockOrientation();
}
RenderFrameHost*
ScreenOrientationDispatcherHostImpl::GetRenderFrameHostForRequestID(
int request_id) {
if (!current_lock_ || current_lock_->request_id != request_id)
return NULL;
return RenderFrameHost::FromID(current_lock_->process_id,
current_lock_->routing_id);
}
void ScreenOrientationDispatcherHostImpl::NotifyLockSuccess(int request_id) {
RenderFrameHost* render_frame_host =
GetRenderFrameHostForRequestID(request_id);
if (!render_frame_host)
return;
render_frame_host->Send(new ScreenOrientationMsg_LockSuccess(
render_frame_host->GetRoutingID(), request_id));
ResetCurrentLock();
}
void ScreenOrientationDispatcherHostImpl::NotifyLockError(
int request_id, blink::WebLockOrientationError error) {
RenderFrameHost* render_frame_host =
GetRenderFrameHostForRequestID(request_id);
if (!render_frame_host)
return;
NotifyLockError(request_id, render_frame_host, error);
}
void ScreenOrientationDispatcherHostImpl::NotifyLockError(
int request_id,
RenderFrameHost* render_frame_host,
blink::WebLockOrientationError error) {
render_frame_host->Send(new ScreenOrientationMsg_LockError(
render_frame_host->GetRoutingID(), request_id, error));
ResetCurrentLock();
}
void ScreenOrientationDispatcherHostImpl::OnOrientationChange() {
if (provider_)
provider_->OnOrientationChange();
}
void ScreenOrientationDispatcherHostImpl::OnLockRequest(
RenderFrameHost* render_frame_host,
blink::WebScreenOrientationLockType orientation,
int request_id) {
if (current_lock_) {
NotifyLockError(current_lock_->request_id, render_frame_host,
blink::WebLockOrientationErrorCanceled);
}
if (!provider_) {
NotifyLockError(request_id, render_frame_host,
blink::WebLockOrientationErrorNotAvailable);
return;
}
current_lock_ = new LockInformation(request_id,
render_frame_host->GetProcess()->GetID(),
render_frame_host->GetRoutingID());
provider_->LockOrientation(request_id, orientation);
}
void ScreenOrientationDispatcherHostImpl::OnUnlockRequest(
RenderFrameHost* render_frame_host) {
if (current_lock_) {
NotifyLockError(current_lock_->request_id, render_frame_host,
blink::WebLockOrientationErrorCanceled);
}
if (!provider_)
return;
provider_->UnlockOrientation();
}
} // namespace content
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