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