electron/atom/renderer/atom_render_view_observer.cc
2014-07-28 20:28:49 +08:00

90 lines
2.9 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/renderer/atom_render_view_observer.h"
#include <string>
#include <vector>
#include "atom/common/api/api_messages.h"
#include "atom/common/options_switches.h"
#include "atom/renderer/api/atom_renderer_bindings.h"
#include "atom/renderer/atom_renderer_client.h"
#include "base/command_line.h"
#include "base/strings/string_number_conversions.h"
#include "content/public/renderer/render_view.h"
#include "ipc/ipc_message_macros.h"
#include "third_party/WebKit/public/web/WebDraggableRegion.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "atom/common/node_includes.h"
using blink::WebFrame;
namespace atom {
AtomRenderViewObserver::AtomRenderViewObserver(
content::RenderView* render_view,
AtomRendererClient* renderer_client)
: content::RenderViewObserver(render_view),
renderer_client_(renderer_client) {
}
AtomRenderViewObserver::~AtomRenderViewObserver() {
}
void AtomRenderViewObserver::DidCreateDocumentElement(
blink::WebLocalFrame* frame) {
// Read --zoom-factor from command line.
std::string zoom_factor_str = CommandLine::ForCurrentProcess()->
GetSwitchValueASCII(switches::kZoomFactor);;
if (zoom_factor_str.empty())
return;
double zoom_factor;
if (!base::StringToDouble(zoom_factor_str, &zoom_factor))
return;
double zoom_level = blink::WebView::zoomFactorToZoomLevel(zoom_factor);
frame->view()->setZoomLevel(zoom_level);
}
void AtomRenderViewObserver::DraggableRegionsChanged(blink::WebFrame* frame) {
blink::WebVector<blink::WebDraggableRegion> webregions =
frame->document().draggableRegions();
std::vector<DraggableRegion> regions;
for (size_t i = 0; i < webregions.size(); ++i) {
DraggableRegion region;
region.bounds = webregions[i].bounds;
region.draggable = webregions[i].draggable;
regions.push_back(region);
}
Send(new AtomViewHostMsg_UpdateDraggableRegions(routing_id(), regions));
}
bool AtomRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(AtomRenderViewObserver, message)
IPC_MESSAGE_HANDLER(AtomViewMsg_Message, OnBrowserMessage)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void AtomRenderViewObserver::OnBrowserMessage(const base::string16& channel,
const base::ListValue& args) {
if (!render_view()->GetWebView())
return;
blink::WebFrame* frame = render_view()->GetWebView()->mainFrame();
if (!renderer_client_->IsNodeBindingEnabled(frame))
return;
renderer_client_->atom_bindings()->OnBrowserMessage(
render_view(), channel, args);
}
} // namespace atom