Index: content/browser/android/dialog_android_overlay.cc |
diff --git a/content/browser/android/dialog_android_overlay.cc b/content/browser/android/dialog_android_overlay.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..312fecc70a05b24fb09172c5d92b7b0b84d3b8d4 |
--- /dev/null |
+++ b/content/browser/android/dialog_android_overlay.cc |
@@ -0,0 +1,154 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "content/browser/android/dialog_android_overlay.h" |
+ |
+#include "content/browser/frame_host/render_frame_host_impl.h" |
+#include "content/public/browser/render_process_host.h" |
+#include "content/public/browser/web_contents.h" |
+#include "jni/DialogAndroidOverlay_jni.h" |
+#include "ui/android/window_android.h" |
+ |
+using base::android::AttachCurrentThread; |
+using base::android::JavaParamRef; |
+using base::android::ScopedJavaLocalRef; |
+ |
+namespace content { |
+ |
+// static |
+bool DialogAndroidOverlay::RegisterDialogAndroidOverlay(JNIEnv* env) { |
+ return RegisterNativesImpl(env); |
+} |
+ |
+static jlong Init(JNIEnv* env, |
+ const JavaParamRef<jobject>& obj, |
+ jint renderer_pid, |
+ jint render_frame_id) { |
+ return reinterpret_cast<jlong>( |
+ new DialogAndroidOverlay(obj, renderer_pid, render_frame_id)); |
+} |
+ |
+static void Shutdown(JNIEnv* env, |
+ const JavaParamRef<jobject>& obj, |
+ jlong handle) { |
+ content::BrowserThread::DeleteSoon( |
+ content::BrowserThread::UI, FROM_HERE, |
+ reinterpret_cast<DialogAndroidOverlay*>(handle)); |
+} |
+ |
+DialogAndroidOverlay::DialogAndroidOverlay( |
+ const JavaParamRef<jobject>& receiver, |
+ int renderer_pid, |
+ int render_frame_id) |
+ : receiver_(receiver), |
+ renderer_pid_(renderer_pid), |
+ render_frame_id_(render_frame_id), |
+ cvc_(nullptr) { |
+ // This is called from a random thread, so post to the right one. |
+ // Note that it's safe for |this| to be unretained, since java can't destroy |
+ // us until we return, and that will post too. |
+ content::BrowserThread::PostTask( |
+ content::BrowserThread::UI, FROM_HERE, |
+ base::Bind(&DialogAndroidOverlay::CompleteInitialization, |
+ base::Unretained(this))); |
+} |
+ |
+DialogAndroidOverlay::~DialogAndroidOverlay() { |
+ if (cvc_) |
+ cvc_->RemoveObserver(this); |
+} |
+ |
+void DialogAndroidOverlay::OnContentViewCoreDestroyed() { |
+ cvc_ = nullptr; |
+ |
+ JNIEnv* env = AttachCurrentThread(); |
+ Java_DialogAndroidOverlay_onDismissed(env, receiver_.obj()); |
+ // |this| might be destroyed. |
+} |
+ |
+void DialogAndroidOverlay::OnAttachedToWindow() { |
+ JNIEnv* env = AttachCurrentThread(); |
+ |
+ ScopedJavaLocalRef<jobject> token; |
+ |
+ if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) |
+ token = window->GetWindowToken(); |
+ |
+ Java_DialogAndroidOverlay_onWindowToken(env, receiver_.obj(), token); |
+} |
+ |
+void DialogAndroidOverlay::OnDetachedFromWindow() { |
+ JNIEnv* env = AttachCurrentThread(); |
+ Java_DialogAndroidOverlay_onWindowToken(env, receiver_.obj(), nullptr); |
+} |
+ |
+void DialogAndroidOverlay::CompleteInitialization() { |
+ cvc_ = GetContentViewCore(); |
+ |
+ // If there's no CVC, then just post a null token immediately. |
+ if (!cvc_) { |
+ JNIEnv* env = AttachCurrentThread(); |
+ Java_DialogAndroidOverlay_onDismissed(env, receiver_.obj()); |
+ // |this| might be destroyed. |
+ return; |
+ } |
+ |
+ cvc_->AddObserver(this); |
+ |
+ // Also send the initial token, since we'll only get changes. |
+ if (ui::WindowAndroid* window = cvc_->GetWindowAndroid()) { |
+ ScopedJavaLocalRef<jobject> token = window->GetWindowToken(); |
+ if (!token.is_null()) { |
+ JNIEnv* env = AttachCurrentThread(); |
+ Java_DialogAndroidOverlay_onWindowToken(env, receiver_.obj(), token); |
+ } |
+ } |
+} |
+ |
+ContentViewCoreImpl* DialogAndroidOverlay::GetContentViewCore() { |
+ // Get the id from the handle. On android, the handle is the pid. |
+ content::RenderProcessHost::iterator it = |
+ content::RenderProcessHost::AllHostsIterator(); |
+ int render_process_id = 0; |
+ while (!it.IsAtEnd()) { |
+ if (it.GetCurrentValue()->GetHandle() == renderer_pid_) { |
+ render_process_id = it.GetCurrentValue()->GetID(); |
+ break; |
+ } |
+ it.Advance(); |
+ } |
+ if (!render_process_id) { |
+ DVLOG(1) << "Cannot find render process for renderer_pid " << renderer_pid_; |
+ return nullptr; |
+ } |
+ |
+ // Get the frame from the id. |
+ content::RenderFrameHostImpl* frame = |
+ content::RenderFrameHostImpl::FromID(render_process_id, render_frame_id_); |
+ if (!frame) { |
+ DVLOG(1) << "Cannot find frame for renderer_pid " << renderer_pid_ |
+ << " render_frame_id " << render_frame_id_; |
+ return nullptr; |
+ } |
+ |
+ content::WebContents* web_contents = |
+ content::WebContents::FromRenderFrameHost(frame); |
+ if (!web_contents) { |
+ DVLOG(1) << "Cannot find web_contents for renderer_pid " << renderer_pid_ |
+ << " render_frame_id " << render_frame_id_; |
+ return nullptr; |
+ } |
+ |
+ content::ContentViewCoreImpl* cvc = |
+ content::ContentViewCoreImpl::FromWebContents(web_contents); |
+ if (!cvc) { |
+ DVLOG(1) << "Cannot find cvc for renderer_pid " << renderer_pid_ |
+ << " render_frame_id " << render_frame_id_; |
+ return nullptr; |
+ } |
+ |
+ return cvc; |
+} |
+ |
+} // namespace content |