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Added new service API calls to rename or delete a certain file.
Signed-off-by: Stuart Morgan <smorgan@mythtv.org>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| #include "mythmainwindow.h" | ||
| #include "mythscreenstack.h" | ||
| #include "mythscreentype.h" | ||
| #include "mythuiimage.h" | ||
| #include "mythuitext.h" | ||
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| // .h | ||
| class AirPlayPictureScreen : public MythScreenType | ||
| { | ||
| public: | ||
| AirPlayPictureScreen(MythScreenStack *parent); | ||
| ~AirPlayPictureScreen(); | ||
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| // These two methods are declared by MythScreenType and their signatures | ||
| // should not be changed | ||
| virtual bool Create(void); | ||
| virtual void Init(void); | ||
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| void UpdatePicture(const QString &imageFilename, | ||
| const QString &imageDescription); | ||
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| private: | ||
| QString m_imageFilename; | ||
| QString m_imageDescription; | ||
| MythUIImage *m_airplayImage; | ||
| MythUIText *m_airplayText; | ||
| }; | ||
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| /////////////////////////////////////////////////// | ||
| // .cpp | ||
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| AirPlayPictureScreen::AirPlayPictureScreen(MythScreenStack *parent) | ||
| :MythScreenType(parent, "airplaypicture"), | ||
| m_imageFilename(""), m_imageDescription(""), | ||
| m_airplayImage(NULL), m_airplayText(NULL) | ||
| { | ||
| } | ||
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| bool AirPlayPictureScreen::Create(void) | ||
| { | ||
| bool foundtheme = false; | ||
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| // Load the theme for this screen | ||
| // The xml file containing the screen definition is airplay-ui.xml in this | ||
| // example, the name of the screen in the xml is airplaypicture. This | ||
| // should make sense when you look at the xml below | ||
| foundtheme = LoadWindowFromXML("airplay-ui.xml", "airplaypicture", this); | ||
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| if (!foundtheme) // If we cannot load the theme for any reason ... | ||
| return false; | ||
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| // The xml should contain an <imagetype> named 'picture', if it doesn't | ||
| // then we cannot display the image and may as well abort | ||
| m_airplayImage = dynamic_cast<MythUIImage*> | ||
| (GetChild("picture")); | ||
| if (!m_airplayImage) | ||
| return false; | ||
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| // As an illustration let's say the picture includes a description/title or some other metadata | ||
| // Let's also say that display of this metadata is entirely optional, so we won't fail if the theme | ||
| // doesn't include 'description' | ||
| m_airplayText = dynamic_cast<MythUIText*> | ||
| (GetChild("description")); | ||
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| return true; | ||
| } | ||
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| void AirPlayPictureScreen::Init(void) | ||
| { | ||
| if (m_airplayImage) | ||
| { | ||
| if (!m_imageFilename.isEmpty()) | ||
| { | ||
| m_airplayImage->SetFilename(m_imageFilename); // Absolute path, http or SG url | ||
| m_airplayImage->Load(); // By default the image is loaded in a background thread, use LoadNow() to load in foreground | ||
| } | ||
| else | ||
| { | ||
| // Will default to displaying whatever placeholder image is defined | ||
| // in the xml by the themer, means we can show _something_ rather than | ||
| // a big empty hole. Generally you always want to call Reset() in | ||
| // these circumstances | ||
| m_airplayImage->Reset(); | ||
| } | ||
| } | ||
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| if (m_airplayText) | ||
| { | ||
| if (!m_imageDescription.isEmpty()) | ||
| { | ||
| m_airplayText->SetText(m_imageDescription); | ||
| } | ||
| else | ||
| { | ||
| // Same as above, calling Reset() allows for a sane, themer defined | ||
| //default to be displayed | ||
| m_airplayText->Reset(); | ||
| } | ||
| } | ||
| } | ||
|
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| // If want to update the displayed image or text without closing this screen | ||
| // and creating a new one then it might look something like this | ||
| void AirPlayPictureScreen::UpdatePicture(const QString &imageFilename, | ||
| const QString &imageDescription) | ||
| { | ||
| m_imageFilename = imageFilename; | ||
| m_imageDescription = imageDescription; | ||
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| Init(); | ||
| } | ||
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| //////////////////////////////////////// | ||
|
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| // Your AirPlay picture event handler, after writing image to disc | ||
| void SomeClass::AirPlayPictureEventHandler(blah ...) | ||
| { | ||
| QString filename = "/path/to/image"; | ||
| QString description = "Description of image, from metadata?"; | ||
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| // .... // | ||
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| MythScreenStack *screenStack = GetMythMainWindow()->GetStack("popup stack"); | ||
| AirPlayPictureScreen *picScreen = new AirPlayPictureScreen(); | ||
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| if (picScreen->Create()) // Reads screen definition from xml, and constructs screen | ||
| { | ||
| picScreen->UpdatePicture(filename, description); | ||
| screenStack->AddScreen(picScreen); | ||
| } | ||
| else | ||
| { | ||
| // If we can't create the screen then we can't display it, so delete | ||
| // and abort | ||
| delete picScreen; | ||
| return; | ||
| } | ||
| } | ||
|
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| //////////////////////////////////////// | ||
| // airplay-ui.xml | ||
| // See http://www.mythtv.org/wiki/MythUI_Theme_Development for more, this is a | ||
| // bare minimum example, the wiki explains everything in detail | ||
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| <?xml version="1.0" encoding="utf-8"?> | ||
| <!DOCTYPE mythuitheme SYSTEM "http://www.mythtv.org/schema/mythuitheme.dtd"> | ||
| <mythuitheme> | ||
|
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| <window name="airplaypicture"> | ||
| <!-- No <area> tags for window implies fullscreen --> | ||
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| <!-- Required --> | ||
| <imagetype name="picture"> | ||
| <area>0,0,100%,100%</area> <!-- Same size as screen, i.e. fullscreen --> | ||
| </imagetype> | ||
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| <!-- Optional --> | ||
| <textarea name="description"> | ||
| <area>50,50,300,200</area> <!-- x,y,w,h - Origin at top left --> | ||
| <font>basesmall</font> <!-- See base.xml for the theme --> | ||
| <align>hcenter,vcenter</align> <!-- Centre text in available space --> | ||
| <multiline>yes</multiline> <!-- Allow wrapping --> | ||
| </textarea> | ||
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| </window> | ||
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| </mythuitheme> | ||
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