Implement alert dialogs

Fixed conflict

Fixed merge issue

Finished implementation

Disable tinyfiledialogs on Windows

addressed comments

Use ancestor's SubpageId
Move display alert from method to function
Add extra test for nested iframes

Addressed comments

Updated tinyfiledialogs
This commit is contained in:
Connor Brewster 2016-04-25 14:59:48 -06:00
parent 3f2ceeff5d
commit dc85be4be5
10 changed files with 122 additions and 19 deletions

View file

@ -797,6 +797,10 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
debug!("constellation got SetDocumentState message");
self.document_states.insert(pipeline_id, state);
}
Request::Script(FromScriptMsg::Alert(pipeline_id, message, sender)) => {
debug!("constellation got Alert message");
self.handle_alert(pipeline_id, message, sender);
}
// Messages from layout thread
@ -1069,6 +1073,44 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
}
}
fn handle_alert(&mut self, pipeline_id: PipelineId, message: String, sender: IpcSender<bool>) {
let display_alert_dialog = if prefs::get_pref("dom.mozbrowser.enabled").as_boolean().unwrap_or(false) {
let parent_pipeline_info = self.pipelines.get(&pipeline_id).and_then(|source| source.parent_info);
if let Some(_) = parent_pipeline_info {
let root_pipeline_id = self.root_frame_id
.and_then(|root_frame_id| self.frames.get(&root_frame_id))
.map(|root_frame| root_frame.current);
let ancestor_info = self.get_root_pipeline_and_containing_parent(&pipeline_id);
if let Some(ancestor_info) = ancestor_info {
if root_pipeline_id == Some(ancestor_info.0) {
match root_pipeline_id.and_then(|pipeline_id| self.pipelines.get(&pipeline_id)) {
Some(root_pipeline) => {
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowsershowmodalprompt
let event = MozBrowserEvent::ShowModalPrompt("alert".to_owned(), "Alert".to_owned(),
String::from(message), "".to_owned());
root_pipeline.trigger_mozbrowser_event(ancestor_info.1, event);
}
None => return warn!("Alert sent to Pipeline {:?} after closure.", root_pipeline_id),
}
} else {
warn!("A non-current frame is trying to show an alert.")
}
}
false
} else {
true
}
} else {
true
};
let result = sender.send(display_alert_dialog);
if let Err(e) = result {
self.handle_send_error(pipeline_id, e);
}
}
fn handle_load_url_msg(&mut self, source_id: PipelineId, load_data: LoadData) {
self.load_url(source_id, load_data);
}
@ -1945,6 +1987,29 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
}
}
/// For a given pipeline, determine the iframe in the root pipeline that transitively contains
/// it. There could be arbitrary levels of nested iframes in between them.
fn get_root_pipeline_and_containing_parent(&self, pipeline_id: &PipelineId) -> Option<(PipelineId, SubpageId)> {
if let Some(pipeline) = self.pipelines.get(pipeline_id) {
if let Some(mut ancestor_info) = pipeline.parent_info {
if let Some(mut ancestor) = self.pipelines.get(&ancestor_info.0) {
while let Some(next_info) = ancestor.parent_info {
ancestor_info = next_info;
ancestor = match self.pipelines.get(&ancestor_info.0) {
Some(ancestor) => ancestor,
None => {
warn!("Get parent pipeline before root via closed pipeline {:?}.", ancestor_info.0);
return None;
},
};
}
return Some(ancestor_info);
}
}
}
None
}
// https://developer.mozilla.org/en-US/docs/Web/Events/mozbrowserlocationchange
// Note that this is a no-op if the pipeline is not an immediate child iframe of the root
fn trigger_mozbrowserlocationchange(&self, pipeline_id: PipelineId) {
@ -1976,19 +2041,15 @@ impl<LTF: LayoutThreadFactory, STF: ScriptThreadFactory> Constellation<LTF, STF>
fn trigger_mozbrowsererror(&self, pipeline_id: PipelineId, reason: String, backtrace: String) {
if !prefs::get_pref("dom.mozbrowser.enabled").as_boolean().unwrap_or(false) { return; }
if let Some(pipeline) = self.pipelines.get(&pipeline_id) {
if let Some(mut ancestor_info) = pipeline.parent_info {
if let Some(mut ancestor) = self.pipelines.get(&ancestor_info.0) {
while let Some(next_info) = ancestor.parent_info {
ancestor_info = next_info;
ancestor = match self.pipelines.get(&ancestor_info.0) {
Some(ancestor) => ancestor,
None => return warn!("Mozbrowsererror via closed pipeline {:?}.", ancestor_info.0),
};
}
let ancestor_info = self.get_root_pipeline_and_containing_parent(&pipeline_id);
if let Some(ancestor_info) = ancestor_info {
match self.pipelines.get(&ancestor_info.0) {
Some(ancestor) => {
let event = MozBrowserEvent::Error(MozBrowserErrorType::Fatal, Some(reason), Some(backtrace));
ancestor.trigger_mozbrowser_event(ancestor_info.1, event);
}
},
None => return warn!("Mozbrowsererror via closed pipeline {:?}.", ancestor_info.0),
}
}
}