electron/atom/renderer/atom_render_frame_observer.cc

102 lines
3.3 KiB
C++

// Copyright (c) 2017 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/renderer/atom_render_frame_observer.h"
#include <vector>
#include "atom/common/api/api_messages.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_view.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebDraggableRegion.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebScriptSource.h"
namespace atom {
AtomRenderFrameObserver::AtomRenderFrameObserver(
content::RenderFrame* frame,
RendererClientBase* renderer_client)
: content::RenderFrameObserver(frame),
render_frame_(frame),
renderer_client_(renderer_client) {}
void AtomRenderFrameObserver::DidClearWindowObject() {
renderer_client_->DidClearWindowObject(render_frame_);
}
void AtomRenderFrameObserver::DidCreateScriptContext(
v8::Handle<v8::Context> context,
int world_id) {
if (ShouldNotifyClient(world_id))
renderer_client_->DidCreateScriptContext(context, render_frame_);
if (renderer_client_->isolated_world() && IsMainWorld(world_id)
&& render_frame_->IsMainFrame()) {
CreateIsolatedWorldContext();
renderer_client_->SetupMainWorldOverrides(context);
}
}
void AtomRenderFrameObserver::DraggableRegionsChanged() {
blink::WebVector<blink::WebDraggableRegion> webregions =
render_frame_->GetWebFrame()->GetDocument().DraggableRegions();
std::vector<DraggableRegion> regions;
for (auto& webregion : webregions) {
DraggableRegion region;
render_frame_->GetRenderView()->ConvertViewportToWindowViaWidget(
&webregion.bounds);
region.bounds = webregion.bounds;
region.draggable = webregion.draggable;
regions.push_back(region);
}
Send(new AtomViewHostMsg_UpdateDraggableRegions(routing_id(), regions));
}
void AtomRenderFrameObserver::WillReleaseScriptContext(
v8::Local<v8::Context> context,
int world_id) {
if (ShouldNotifyClient(world_id))
renderer_client_->WillReleaseScriptContext(context, render_frame_);
}
void AtomRenderFrameObserver::OnDestruct() {
delete this;
}
void AtomRenderFrameObserver::CreateIsolatedWorldContext() {
auto frame = render_frame_->GetWebFrame();
// This maps to the name shown in the context combo box in the Console tab
// of the dev tools.
frame->SetIsolatedWorldHumanReadableName(
World::ISOLATED_WORLD,
blink::WebString::FromUTF8("Electron Isolated Context"));
// Setup document's origin policy in isolated world
frame->SetIsolatedWorldSecurityOrigin(
World::ISOLATED_WORLD, frame->GetDocument().GetSecurityOrigin());
// Create initial script context in isolated world
blink::WebScriptSource source("void 0");
frame->ExecuteScriptInIsolatedWorld(World::ISOLATED_WORLD, &source, 1);
}
bool AtomRenderFrameObserver::IsMainWorld(int world_id) {
return world_id == World::MAIN_WORLD;
}
bool AtomRenderFrameObserver::IsIsolatedWorld(int world_id) {
return world_id == World::ISOLATED_WORLD;
}
bool AtomRenderFrameObserver::ShouldNotifyClient(int world_id) {
if (renderer_client_->isolated_world() && render_frame_->IsMainFrame())
return IsIsolatedWorld(world_id);
else
return IsMainWorld(world_id);
}
} // namespace atom