mirror of https://github.com/electron/electron
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
// Copyright (c) 2015 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 "shell/browser/electron_navigation_throttle.h"
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#include "content/browser/renderer_host/render_frame_host_impl.h" // nogncheck
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#include "content/public/browser/navigation_handle.h"
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#include "shell/browser/api/electron_api_web_contents.h"
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#include "shell/browser/javascript_environment.h"
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#include "ui/base/page_transition_types.h"
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namespace electron {
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ElectronNavigationThrottle::ElectronNavigationThrottle(
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content::NavigationHandle* navigation_handle)
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: content::NavigationThrottle(navigation_handle) {}
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ElectronNavigationThrottle::~ElectronNavigationThrottle() = default;
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const char* ElectronNavigationThrottle::GetNameForLogging() {
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return "ElectronNavigationThrottle";
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}
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content::NavigationThrottle::ThrottleCheckResult
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ElectronNavigationThrottle::WillStartRequest() {
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auto* handle = navigation_handle();
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auto* contents = handle->GetWebContents();
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if (!contents) {
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NOTREACHED();
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return PROCEED;
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}
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v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
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v8::HandleScope scope(isolate);
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api::WebContents* api_contents = api::WebContents::From(contents);
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if (!api_contents) {
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// No need to emit any event if the WebContents is not available in JS.
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return PROCEED;
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}
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bool is_renderer_initiated = handle->IsRendererInitiated();
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// Chrome's internal pages always mark navigation as browser-initiated. Let's
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// ignore that.
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// https://source.chromium.org/chromium/chromium/src/+/main:content/browser/renderer_host/navigator.cc;l=883-892;drc=0c8ffbe78dc0ef2047849e45cefb3f621043e956
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if (!is_renderer_initiated &&
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ui::PageTransitionIsWebTriggerable(handle->GetPageTransition())) {
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auto* render_frame_host = contents->GetPrimaryMainFrame();
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auto* rfh_impl =
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static_cast<content::RenderFrameHostImpl*>(render_frame_host);
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is_renderer_initiated = rfh_impl && rfh_impl->web_ui();
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}
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if (is_renderer_initiated &&
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api_contents->EmitNavigationEvent("will-frame-navigate", handle)) {
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return CANCEL;
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}
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if (is_renderer_initiated && handle->IsInMainFrame() &&
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api_contents->EmitNavigationEvent("will-navigate", handle)) {
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return CANCEL;
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}
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return PROCEED;
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}
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content::NavigationThrottle::ThrottleCheckResult
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ElectronNavigationThrottle::WillRedirectRequest() {
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auto* handle = navigation_handle();
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auto* contents = handle->GetWebContents();
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if (!contents) {
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NOTREACHED();
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return PROCEED;
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}
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v8::Isolate* isolate = JavascriptEnvironment::GetIsolate();
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v8::HandleScope scope(isolate);
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api::WebContents* api_contents = api::WebContents::From(contents);
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if (!api_contents) {
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// No need to emit any event if the WebContents is not available in JS.
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return PROCEED;
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}
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if (api_contents->EmitNavigationEvent("will-redirect", handle)) {
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return CANCEL;
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}
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return PROCEED;
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}
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} // namespace electron
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