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// 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/browser/download/download_request_handle.h"
#include "base/bind.h"
#include "base/strings/stringprintf.h"
#include "content/browser/frame_host/navigator.h"
#include "content/browser/frame_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_view_host_impl.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/common/browser_side_navigation_policy.h"
namespace content {
DownloadRequestHandleInterface::~DownloadRequestHandleInterface() {}
DownloadRequestHandle::~DownloadRequestHandle() {}
DownloadRequestHandle::DownloadRequestHandle()
: child_id_(-1),
render_view_id_(-1),
request_id_(-1),
frame_tree_node_id_(-1) {
}
DownloadRequestHandle::DownloadRequestHandle(
const base::WeakPtr<DownloadResourceHandler>& handler,
int child_id,
int render_view_id,
int request_id,
int frame_tree_node_id)
: handler_(handler),
child_id_(child_id),
render_view_id_(render_view_id),
request_id_(request_id),
frame_tree_node_id_(frame_tree_node_id) {
DCHECK(handler_.get());
}
WebContents* DownloadRequestHandle::GetWebContents() const {
// PlzNavigate: if a FrameTreeNodeId was provided, use it to return the
// WebContents.
// TODO(davidben): This logic should be abstracted within the ResourceLoader
// stack. https://crbug.com/376003
if (IsBrowserSideNavigationEnabled()) {
FrameTreeNode* frame_tree_node =
FrameTreeNode::GloballyFindByID(frame_tree_node_id_);
if (frame_tree_node) {
return WebContentsImpl::FromFrameTreeNode(frame_tree_node);
}
}
RenderViewHostImpl* render_view_host =
RenderViewHostImpl::FromID(child_id_, render_view_id_);
if (!render_view_host)
return nullptr;
return render_view_host->GetDelegate()->GetAsWebContents();
}
DownloadManager* DownloadRequestHandle::GetDownloadManager() const {
// PlzNavigate: if a FrameTreeNodeId was provided, use it to return the
// DownloadManager.
// TODO(davidben): This logic should be abstracted within the ResourceLoader
// stack. https://crbug.com/376003
if (IsBrowserSideNavigationEnabled()) {
FrameTreeNode* frame_tree_node =
FrameTreeNode::GloballyFindByID(frame_tree_node_id_);
if (frame_tree_node) {
BrowserContext* context =
frame_tree_node->navigator()->GetController()->GetBrowserContext();
if (context)
return BrowserContext::GetDownloadManager(context);
}
}
RenderViewHostImpl* rvh = RenderViewHostImpl::FromID(
child_id_, render_view_id_);
if (rvh == NULL)
return NULL;
RenderProcessHost* rph = rvh->GetProcess();
if (rph == NULL)
return NULL;
BrowserContext* context = rph->GetBrowserContext();
if (context == NULL)
return NULL;
return BrowserContext::GetDownloadManager(context);
}
void DownloadRequestHandle::PauseRequest() const {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DownloadResourceHandler::PauseRequest, handler_));
}
void DownloadRequestHandle::ResumeRequest() const {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DownloadResourceHandler::ResumeRequest, handler_));
}
void DownloadRequestHandle::CancelRequest() const {
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&DownloadResourceHandler::CancelRequest, handler_));
}
std::string DownloadRequestHandle::DebugString() const {
return base::StringPrintf("{"
" child_id = %d"
" render_view_id = %d"
" request_id = %d"
"}",
child_id_,
render_view_id_,
request_id_);
}
} // namespace content
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