mirror of
https://bitbucket.org/chromiumembedded/cef
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305 lines
8.4 KiB
C++
305 lines
8.4 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "libcef/browser/frame_host_impl.h"
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#include "include/cef_request.h"
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#include "include/cef_stream.h"
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#include "include/cef_v8.h"
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#include "include/test/cef_test_helpers.h"
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#include "libcef/browser/browser_host_impl.h"
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#include "libcef/common/cef_messages.h"
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namespace {
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// Implementation of CommandResponseHandler for calling a CefStringVisitor.
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class StringVisitHandler : public CefResponseManager::Handler {
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public:
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explicit StringVisitHandler(CefRefPtr<CefStringVisitor> visitor)
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: visitor_(visitor) {}
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void OnResponse(const Cef_Response_Params& params) override {
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visitor_->Visit(params.response);
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}
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private:
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CefRefPtr<CefStringVisitor> visitor_;
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IMPLEMENT_REFCOUNTING(StringVisitHandler);
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};
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// Implementation of CommandResponseHandler for calling ViewText().
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class ViewTextHandler : public CefResponseManager::Handler {
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public:
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explicit ViewTextHandler(CefRefPtr<CefFrameHostImpl> frame) : frame_(frame) {}
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void OnResponse(const Cef_Response_Params& params) override {
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CefRefPtr<CefBrowser> browser = frame_->GetBrowser();
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if (browser.get()) {
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static_cast<CefBrowserHostImpl*>(browser.get())
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->ViewText(params.response);
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}
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}
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private:
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CefRefPtr<CefFrameHostImpl> frame_;
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IMPLEMENT_REFCOUNTING(ViewTextHandler);
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};
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} // namespace
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CefFrameHostImpl::CefFrameHostImpl(CefBrowserHostImpl* browser,
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int64 frame_id,
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bool is_main_frame,
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const CefString& url,
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const CefString& name,
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int64 parent_frame_id)
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: frame_id_(frame_id),
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is_main_frame_(is_main_frame),
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browser_(browser),
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is_focused_(is_main_frame_), // The main frame always starts focused.
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url_(url),
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name_(name),
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parent_frame_id_(parent_frame_id == kUnspecifiedFrameId
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? kInvalidFrameId
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: parent_frame_id) {}
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CefFrameHostImpl::~CefFrameHostImpl() {}
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bool CefFrameHostImpl::IsValid() {
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base::AutoLock lock_scope(state_lock_);
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return (browser_ != NULL);
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}
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void CefFrameHostImpl::Undo() {
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SendCommand("Undo", NULL);
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}
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void CefFrameHostImpl::Redo() {
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SendCommand("Redo", NULL);
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}
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void CefFrameHostImpl::Cut() {
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SendCommand("Cut", NULL);
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}
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void CefFrameHostImpl::Copy() {
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SendCommand("Copy", NULL);
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}
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void CefFrameHostImpl::Paste() {
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SendCommand("Paste", NULL);
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}
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void CefFrameHostImpl::Delete() {
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SendCommand("Delete", NULL);
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}
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void CefFrameHostImpl::SelectAll() {
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SendCommand("SelectAll", NULL);
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}
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void CefFrameHostImpl::ViewSource() {
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SendCommand("GetSource", new ViewTextHandler(this));
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}
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void CefFrameHostImpl::GetSource(CefRefPtr<CefStringVisitor> visitor) {
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SendCommand("GetSource", new StringVisitHandler(visitor));
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}
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void CefFrameHostImpl::GetText(CefRefPtr<CefStringVisitor> visitor) {
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SendCommand("GetText", new StringVisitHandler(visitor));
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}
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void CefFrameHostImpl::LoadRequest(CefRefPtr<CefRequest> request) {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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frame_id = (is_main_frame_ ? kMainFrameId : frame_id_);
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}
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if (browser.get() && frame_id != kInvalidFrameId)
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browser->LoadRequest(frame_id, request);
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}
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void CefFrameHostImpl::LoadURL(const CefString& url) {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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frame_id = (is_main_frame_ ? kMainFrameId : frame_id_);
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}
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if (browser.get() && frame_id != kInvalidFrameId) {
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browser->LoadURL(frame_id, url, content::Referrer(),
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ui::PAGE_TRANSITION_TYPED, std::string());
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}
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}
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void CefFrameHostImpl::LoadString(const CefString& string,
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const CefString& url) {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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frame_id = (is_main_frame_ ? kMainFrameId : frame_id_);
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}
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if (browser.get() && frame_id != kInvalidFrameId)
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browser->LoadString(frame_id, string, url);
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}
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void CefFrameHostImpl::ExecuteJavaScript(const CefString& jsCode,
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const CefString& scriptUrl,
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int startLine) {
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SendJavaScript(jsCode, scriptUrl, startLine);
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}
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bool CefFrameHostImpl::IsMain() {
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return is_main_frame_;
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}
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bool CefFrameHostImpl::IsFocused() {
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base::AutoLock lock_scope(state_lock_);
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return is_focused_;
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}
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CefString CefFrameHostImpl::GetName() {
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base::AutoLock lock_scope(state_lock_);
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return name_;
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}
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int64 CefFrameHostImpl::GetIdentifier() {
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return frame_id_;
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}
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CefRefPtr<CefFrame> CefFrameHostImpl::GetParent() {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 parent_frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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if (is_main_frame_ || parent_frame_id_ == kInvalidFrameId)
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return NULL;
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browser = browser_;
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parent_frame_id = parent_frame_id_;
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}
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if (browser.get())
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return browser->GetFrame(parent_frame_id);
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return NULL;
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}
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CefString CefFrameHostImpl::GetURL() {
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base::AutoLock lock_scope(state_lock_);
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return url_;
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}
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CefRefPtr<CefBrowser> CefFrameHostImpl::GetBrowser() {
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base::AutoLock lock_scope(state_lock_);
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return browser_;
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}
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void CefFrameHostImpl::SetFocused(bool focused) {
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base::AutoLock lock_scope(state_lock_);
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is_focused_ = focused;
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}
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void CefFrameHostImpl::SetAttributes(bool is_main_frame,
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const CefString& url,
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const CefString& name,
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int64 parent_frame_id) {
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base::AutoLock lock_scope(state_lock_);
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is_main_frame_ = is_main_frame;
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if (!url.empty() && url != url_)
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url_ = url;
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if (!name.empty() && name != name_)
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name_ = name;
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if (parent_frame_id != kUnspecifiedFrameId)
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parent_frame_id_ = parent_frame_id;
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}
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CefRefPtr<CefV8Context> CefFrameHostImpl::GetV8Context() {
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NOTREACHED() << "GetV8Context cannot be called from the browser process";
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return NULL;
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}
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void CefFrameHostImpl::VisitDOM(CefRefPtr<CefDOMVisitor> visitor) {
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NOTREACHED() << "VisitDOM cannot be called from the browser process";
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}
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void CefFrameHostImpl::SendJavaScript(const std::string& jsCode,
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const std::string& scriptUrl,
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int startLine) {
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if (jsCode.empty())
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return;
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if (startLine <= 0) {
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// A value of 0 is v8::Message::kNoLineNumberInfo in V8. There is code in
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// V8 that will assert on that value (e.g. V8StackTraceImpl::Frame::Frame
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// if a JS exception is thrown) so make sure |startLine| > 0.
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startLine = 1;
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}
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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frame_id = (is_main_frame_ ? kMainFrameId : frame_id_);
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}
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if (browser.get() && frame_id != kInvalidFrameId)
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browser->SendCode(frame_id, true, jsCode, scriptUrl, startLine, NULL);
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}
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void CefFrameHostImpl::ExecuteJavaScriptWithUserGestureForTests(
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const CefString& javascript) {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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frame_id = (is_main_frame_ ? kMainFrameId : frame_id_);
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}
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if (browser.get() && frame_id != kInvalidFrameId)
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browser->ExecuteJavaScriptWithUserGestureForTests(frame_id, javascript);
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}
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void CefFrameHostImpl::Detach() {
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base::AutoLock lock_scope(state_lock_);
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browser_ = NULL;
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}
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void CefFrameHostImpl::SendCommand(
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const std::string& command,
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CefRefPtr<CefResponseManager::Handler> responseHandler) {
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CefRefPtr<CefBrowserHostImpl> browser;
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int64 frame_id;
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{
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base::AutoLock lock_scope(state_lock_);
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browser = browser_;
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// Commands can only be sent to known frame ids.
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frame_id = frame_id_;
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}
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if (browser.get() && frame_id != kInvalidFrameId)
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browser->SendCommand(frame_id, command, responseHandler);
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}
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void CefExecuteJavaScriptWithUserGestureForTests(CefRefPtr<CefFrame> frame,
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const CefString& javascript) {
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CefFrameHostImpl* impl = static_cast<CefFrameHostImpl*>(frame.get());
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impl->ExecuteJavaScriptWithUserGestureForTests(javascript);
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}
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