ef4b36d621
The underlying V8::String is represented in UTF18, by using string16 in IPC messages we can avoid the overhead of encode conversion.
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
// Copyright (c) 2013 GitHub, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "renderer/atom_render_view_observer.h"
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#include <algorithm>
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#include <vector>
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#include "common/api/api_messages.h"
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#include "common/node_bindings.h"
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#include "ipc/ipc_message_macros.h"
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#include "renderer/api/atom_renderer_bindings.h"
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#include "renderer/atom_renderer_client.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebDraggableRegion.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
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#include "v8/include/v8.h"
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using WebKit::WebFrame;
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namespace webkit {
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extern void SetGetFirstWindowContext(v8::Handle<v8::Context> (*)());
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extern void SetIsValidWindowContext(bool (*)(v8::Handle<v8::Context>));
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}
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namespace atom {
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namespace {
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std::vector<WebFrame*>& web_frames() {
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CR_DEFINE_STATIC_LOCAL(std::vector<WebFrame*>, frames, ());
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return frames;
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}
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v8::Handle<v8::Context> GetFirstWindowContext() {
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if (web_frames().size() == 0)
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return v8::Handle<v8::Context>();
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return web_frames()[0]->mainWorldScriptContext();
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}
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bool IsValidWindowContext(v8::Handle<v8::Context> context) {
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size_t size = web_frames().size();
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for (size_t i = 0; i < size; ++i)
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if (web_frames()[i]->mainWorldScriptContext() == context)
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return true;
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return false;
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}
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} // namespace
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AtomRenderViewObserver::AtomRenderViewObserver(
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content::RenderView* render_view,
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AtomRendererClient* renderer_client)
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: content::RenderViewObserver(render_view),
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atom_bindings_(new AtomRendererBindings(render_view)),
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renderer_client_(renderer_client) {
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// Interact with dirty workarounds of extra node context in WebKit.
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webkit::SetGetFirstWindowContext(GetFirstWindowContext);
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webkit::SetIsValidWindowContext(IsValidWindowContext);
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}
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AtomRenderViewObserver::~AtomRenderViewObserver() {
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}
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void AtomRenderViewObserver::DidClearWindowObject(WebFrame* frame) {
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// Remember the web frame.
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web_frames().push_back(frame);
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renderer_client_->node_bindings()->BindTo(frame);
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atom_bindings()->BindToFrame(frame);
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}
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void AtomRenderViewObserver::FrameWillClose(WebFrame* frame) {
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std::vector<WebFrame*>& vec = web_frames();
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vec.erase(std::remove(vec.begin(), vec.end(), frame), vec.end());
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}
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void AtomRenderViewObserver::DraggableRegionsChanged(WebKit::WebFrame* frame) {
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WebKit::WebVector<WebKit::WebDraggableRegion> webregions =
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frame->document().draggableRegions();
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std::vector<DraggableRegion> regions;
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for (size_t i = 0; i < webregions.size(); ++i) {
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DraggableRegion region;
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region.bounds = webregions[i].bounds;
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region.draggable = webregions[i].draggable;
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regions.push_back(region);
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}
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Send(new AtomViewHostMsg_UpdateDraggableRegions(routing_id(), regions));
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}
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bool AtomRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
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bool handled = true;
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IPC_BEGIN_MESSAGE_MAP(AtomRenderViewObserver, message)
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IPC_MESSAGE_HANDLER(AtomViewMsg_Message, OnBrowserMessage)
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IPC_MESSAGE_UNHANDLED(handled = false)
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IPC_END_MESSAGE_MAP()
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return handled;
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}
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void AtomRenderViewObserver::OnBrowserMessage(const string16& channel,
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const base::ListValue& args) {
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atom_bindings()->OnBrowserMessage(channel, args);
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}
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} // namespace atom
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