blob: d9ba369258f9937ae32cea14b0bb29a96534f02a [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 "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
#include "android_webview/browser/aw_browser_context.h"
#include "android_webview/browser/scoped_allow_wait_for_legacy_web_view_api.h"
#include "android_webview/common/render_view_messages.h"
#include "base/android/scoped_java_ref.h"
#include "base/callback.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "components/web_restrictions/browser/web_restrictions_mojo_implementation.h"
#include "content/public/browser/android/content_view_core.h"
#include "content/public/browser/navigation_handle.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/user_metrics.h"
#include "content/public/browser/web_contents.h"
#include "services/service_manager/public/cpp/interface_registry.h"
namespace android_webview {
AwRenderViewHostExt::AwRenderViewHostExt(
AwRenderViewHostExtClient* client, content::WebContents* contents)
: content::WebContentsObserver(contents),
client_(client),
background_color_(SK_ColorWHITE),
has_new_hit_test_data_(false) {
DCHECK(client_);
}
AwRenderViewHostExt::~AwRenderViewHostExt() {
ClearImageRequests();
}
void AwRenderViewHostExt::DocumentHasImages(DocumentHasImagesResult result) {
DCHECK(CalledOnValidThread());
if (!web_contents()->GetRenderViewHost()) {
result.Run(false);
return;
}
static uint32_t next_id = 1;
uint32_t this_id = next_id++;
// Send the message to the main frame, instead of the whole frame tree,
// because it only makes sense on the main frame.
if (Send(new AwViewMsg_DocumentHasImages(
web_contents()->GetMainFrame()->GetRoutingID(), this_id))) {
image_requests_callback_map_[this_id] = result;
} else {
// Still have to respond to the API call WebView#docuemntHasImages.
// Otherwise the listener of the response may be starved.
result.Run(false);
}
}
void AwRenderViewHostExt::ClearCache() {
DCHECK(CalledOnValidThread());
Send(new AwViewMsg_ClearCache);
}
void AwRenderViewHostExt::KillRenderProcess() {
DCHECK(CalledOnValidThread());
Send(new AwViewMsg_KillProcess);
}
bool AwRenderViewHostExt::HasNewHitTestData() const {
return has_new_hit_test_data_;
}
void AwRenderViewHostExt::MarkHitTestDataRead() {
has_new_hit_test_data_ = false;
}
void AwRenderViewHostExt::RequestNewHitTestDataAt(
const gfx::PointF& touch_center,
const gfx::SizeF& touch_area) {
DCHECK(CalledOnValidThread());
// We only need to get blink::WebView on the renderer side to invoke the
// blink hit test API, so sending this IPC to main frame is enough.
Send(new AwViewMsg_DoHitTest(web_contents()->GetMainFrame()->GetRoutingID(),
touch_center, touch_area));
}
const AwHitTestData& AwRenderViewHostExt::GetLastHitTestData() const {
DCHECK(CalledOnValidThread());
return last_hit_test_data_;
}
void AwRenderViewHostExt::SetTextZoomFactor(float factor) {
DCHECK(CalledOnValidThread());
Send(new AwViewMsg_SetTextZoomFactor(
web_contents()->GetMainFrame()->GetRoutingID(), factor));
}
void AwRenderViewHostExt::ResetScrollAndScaleState() {
DCHECK(CalledOnValidThread());
Send(new AwViewMsg_ResetScrollAndScaleState(
web_contents()->GetMainFrame()->GetRoutingID()));
}
void AwRenderViewHostExt::SetInitialPageScale(double page_scale_factor) {
DCHECK(CalledOnValidThread());
Send(new AwViewMsg_SetInitialPageScale(
web_contents()->GetMainFrame()->GetRoutingID(), page_scale_factor));
}
void AwRenderViewHostExt::SetBackgroundColor(SkColor c) {
if (background_color_ == c)
return;
background_color_ = c;
if (web_contents()->GetRenderViewHost()) {
Send(new AwViewMsg_SetBackgroundColor(
web_contents()->GetMainFrame()->GetRoutingID(), background_color_));
}
}
void AwRenderViewHostExt::SetJsOnlineProperty(bool network_up) {
Send(new AwViewMsg_SetJsOnlineProperty(network_up));
}
void AwRenderViewHostExt::SmoothScroll(int target_x,
int target_y,
long duration_ms) {
Send(
new AwViewMsg_SmoothScroll(web_contents()->GetMainFrame()->GetRoutingID(),
target_x, target_y,
static_cast<int>(duration_ms)));
}
void AwRenderViewHostExt::RenderViewCreated(
content::RenderViewHost* render_view_host) {
Send(new AwViewMsg_SetBackgroundColor(
web_contents()->GetMainFrame()->GetRoutingID(), background_color_));
}
void AwRenderViewHostExt::RenderViewHostChanged(
content::RenderViewHost* old_host,
content::RenderViewHost* new_host) {
ClearImageRequests();
}
void AwRenderViewHostExt::ClearImageRequests() {
for (const auto& pair : image_requests_callback_map_) {
pair.second.Run(false);
}
image_requests_callback_map_.clear();
}
void AwRenderViewHostExt::RenderFrameCreated(
content::RenderFrameHost* frame_host) {
frame_host->GetInterfaceRegistry()->AddInterface(
base::Bind(&web_restrictions::WebRestrictionsMojoImplementation::Create,
AwBrowserContext::GetDefault()->GetWebRestrictionProvider()));
}
void AwRenderViewHostExt::DidFinishNavigation(
content::NavigationHandle* navigation_handle) {
DCHECK(CalledOnValidThread());
if (!navigation_handle->HasCommitted() ||
(!navigation_handle->IsInMainFrame() &&
!navigation_handle->HasSubframeNavigationEntryCommitted()))
return;
AwBrowserContext::FromWebContents(web_contents())
->AddVisitedURLs(navigation_handle->GetRedirectChain());
}
void AwRenderViewHostExt::OnPageScaleFactorChanged(float page_scale_factor) {
client_->OnWebLayoutPageScaleFactorChanged(page_scale_factor);
}
bool AwRenderViewHostExt::OnMessageReceived(
const IPC::Message& message,
content::RenderFrameHost* render_frame_host) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(AwRenderViewHostExt, message,
render_frame_host)
IPC_MESSAGE_HANDLER(AwViewHostMsg_DocumentHasImagesResponse,
OnDocumentHasImagesResponse)
IPC_MESSAGE_HANDLER(AwViewHostMsg_UpdateHitTestData,
OnUpdateHitTestData)
IPC_MESSAGE_HANDLER(AwViewHostMsg_OnContentsSizeChanged,
OnContentsSizeChanged)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled ? true : WebContentsObserver::OnMessageReceived(message);
}
void AwRenderViewHostExt::OnDocumentHasImagesResponse(
content::RenderFrameHost* render_frame_host,
int msg_id,
bool has_images) {
// Only makes sense coming from the main frame of the current frame tree.
// This matches the current implementation that only cares about if there is
// an img child node in the main document, and essentially invokes JS:
// node.getElementsByTagName("img").
if (render_frame_host != web_contents()->GetMainFrame())
return;
DCHECK(CalledOnValidThread());
std::map<int, DocumentHasImagesResult>::iterator pending_req =
image_requests_callback_map_.find(msg_id);
if (pending_req == image_requests_callback_map_.end()) {
DLOG(WARNING) << "unexpected DocumentHasImages Response: " << msg_id;
} else {
pending_req->second.Run(has_images);
image_requests_callback_map_.erase(pending_req);
}
}
void AwRenderViewHostExt::OnUpdateHitTestData(
content::RenderFrameHost* render_frame_host,
const AwHitTestData& hit_test_data) {
content::RenderFrameHost* main_frame_host = render_frame_host;
while (main_frame_host->GetParent())
main_frame_host = main_frame_host->GetParent();
// Make sense from any frame of the current frame tree, because a focused
// node could be in either the mainframe or a subframe.
if (main_frame_host != web_contents()->GetMainFrame())
return;
DCHECK(CalledOnValidThread());
last_hit_test_data_ = hit_test_data;
has_new_hit_test_data_ = true;
}
void AwRenderViewHostExt::OnContentsSizeChanged(
content::RenderFrameHost* render_frame_host,
const gfx::Size& contents_size) {
// Only makes sense coming from the main frame of the current frame tree.
if (render_frame_host != web_contents()->GetMainFrame())
return;
client_->OnWebLayoutContentsSizeChanged(contents_size);
}
} // namespace android_webview